U.S. patent application number 16/439390 was filed with the patent office on 2020-10-22 for antisense oligonucleotide directed removal of proteolytic cleavage sites from proteins.
The applicant listed for this patent is Academisch Ziekenhuis Leiden h.o.d.n. LUMC. Invention is credited to Annemieke Aartsma-Rus, Melvin Maurice Evers, Barry Antonius Pepers, Garrit-Jan Boudewijn Van Ommen, Wilhelmina M.C. van Roon-Mom.
Application Number | 20200332298 16/439390 |
Document ID | / |
Family ID | 1000004932362 |
Filed Date | 2020-10-22 |
United States Patent
Application |
20200332298 |
Kind Code |
A1 |
van Roon-Mom; Wilhelmina M.C. ;
et al. |
October 22, 2020 |
ANTISENSE OLIGONUCLEOTIDE DIRECTED REMOVAL OF PROTEOLYTIC CLEAVAGE
SITES FROM PROTEINS
Abstract
The invention relates to means and methods for removing a
proteolytic cleavage site from a protein comprising providing a
cell that expresses pre-mRNA encoding the protein with an
anti-sense oligonucleotide that induces skipping of the exonic
sequence that encodes the proteolytic cleavage site, the method
further comprising allowing translation of mRNA produced from the
pre-mRNA.
Inventors: |
van Roon-Mom; Wilhelmina M.C.;
(Beverwijk, NL) ; Evers; Melvin Maurice; (Utrecht,
NL) ; Pepers; Barry Antonius; (Leiden, NL) ;
Aartsma-Rus; Annemieke; (Hoofddorp, NL) ; Van Ommen;
Garrit-Jan Boudewijn; (Amsterdam, NL) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Academisch Ziekenhuis Leiden h.o.d.n. LUMC |
Leiden |
|
NL |
|
|
Family ID: |
1000004932362 |
Appl. No.: |
16/439390 |
Filed: |
June 12, 2019 |
Related U.S. Patent Documents
|
|
|
|
|
|
Application
Number |
Filing Date |
Patent Number |
|
|
15439776 |
Feb 22, 2017 |
10364432 |
|
|
16439390 |
|
|
|
|
13814203 |
Apr 12, 2013 |
9611471 |
|
|
PCT/NL2011/050549 |
Aug 4, 2011 |
|
|
|
15439776 |
|
|
|
|
61370855 |
Aug 5, 2010 |
|
|
|
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
C12N 2310/346 20130101;
C12N 2310/11 20130101; C12Y 304/19012 20130101; C12N 15/113
20130101; C12N 2320/33 20130101; C12N 2310/315 20130101; C12N
2310/321 20130101; C12N 15/111 20130101; C12N 15/1137 20130101 |
International
Class: |
C12N 15/113 20060101
C12N015/113; C12N 15/11 20060101 C12N015/11 |
Foreign Application Data
Date |
Code |
Application Number |
Aug 5, 2010 |
EP |
10172076.1 |
Claims
1.-20. (canceled)
21. An oligonucleotide of between fourteen (14) and forty (40)
nucleotides that induces skipping of an exon or a part thereof that
encodes a proteolytic cleavage site in a protein involved in a
disease that is associated with a proteolytic cleavage product of
the protein, wherein the oligonucleotide binds to pre-mRNA of the
protein to form a double-stranded nucleic acid complex, wherein the
oligonucleotide is chemically modified to render the
double-stranded nucleic acid complex RNase H resistant, and wherein
the disease is a polyglutamine disorder.
22. The oligonucleotide of claim 21, wherein the polyglutamine
disorder is Huntington's disease ("HD") or Alzheimer's disease
("AD").
23. The oligonucleotide of claim 21, wherein the polyglutamine
disorder is Huntington's disease ("HD"), and wherein part of exon
12 of human huntingtin pre-mRNA is skipped.
24. The oligonucleotide of claim 21, wherein the polyglutamine
disorder is Huntington's disease ("HD"), and wherein nucleotides
207 to 341 of exon 12 of human huntingtin pre-mRNA is skipped.
25. The oligonucleotide of claim 21, wherein the polyglutamine
disorder is Huntington's disease ("HD"), and wherein the
oligonucleotide comprises a polynucleotide selected from the group
consisting of SEQ ID NO: 170, SEQ ID NO: 172, SEQ ID NO: 174, SEQ
ID NO: 176, SEQ ID NO: 178, SEQ ID NO: 180, SEQ ID NO: 182, SEQ ID
NO: 184, SEQ ID NO: 186, and SEQ ID NO: 188.
26. The oligonucleotide of claim 21, wherein the polyglutamine
disorder is Huntington's disease ("HD"), and wherein the
oligonucleotide consists of a polynucleotide selected from the
group consisting of SEQ ID NO: 170, SEQ ID NO: 172, SEQ ID NO: 174,
SEQ ID NO: 176, SEQ ID NO: 178, SEQ ID NO: 180, SEQ ID NO: 182, SEQ
ID NO: 184, SEQ ID NO: 186, and SEQ ID NO: 188.
27. The oligonucleotide of claim 21, wherein the proteolytic
cleavage site is a caspase-3 cleavage site or a caspase-6 cleavage
site.
28. The oligonucleotide of claim 21, wherein at least one
nucleotide of the oligonucleotide is chemically modified by a
2'-O-methyl substitution.
29. The oligonucleotide of claim 27, wherein each nucleotide of the
oligonucleotide is chemically modified by a 2'-O-methyl
substitution.
30. The oligonucleotide of claim 21, wherein at least one
nucleotide of the oligonucleotide is chemically modified by a
2'-O-methoxyethyl substitution.
31. The oligonucleotide of claim 29, wherein each nucleotide of the
oligonucleotide is chemically modified by a 2'-O-methoxyethyl
substitution.
32. The oligonucleotide of claim 21, wherein all internucleoside
linkages of the oligonucleotide are phosphorothioated.
33. The oligonucleotide of claim 21, wherein the oligonucleotide is
a uniformly 2'-O-methoxyethylribose modified phosphorothioate
oligonucleotide.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application is a continuation of U.S. patent
application Ser. No. 15/439,776, filed Feb. 22, 2017, pending,
which is a continuation of U.S. patent application Ser. No.
13/814,203, filed Apr. 12, 2013, now U.S. Pat. No. 9,611,471,
issued Apr. 4, 2017, which is a national phase entry under 35
U.S.C. .sctn. 371 of International Patent Application
PCT/NL2011/050549, filed Aug. 4, 2011, designating the United
States of America and published in English as International Patent
Publication WO 2012/018257 A1 on Feb. 9, 2012, which claims the
benefit under Article 8 of the Patent Cooperation Treaty and under
35 U.S.C. .sctn. 119(e) to U.S. Provisional Patent Application Ser.
No. 61/370,855, filed Aug. 5, 2010, and to European Patent
Application Serial No. 10172076.1, filed Aug. 5, 2010, the contents
of the entirety of each of which are hereby incorporated herein by
this reference.
STATEMENT ACCORDING TO 37 C.F.R. .sctn. 1.821(c) or (e)--SEQUENCE
LISTING SUBMITTED AS A TXT AND PDF FILES
[0002] Pursuant to 37 C.F.R. .sctn. 1.821(c) or (e), files
containing a TXT version and a PDF version of the Sequence Listing
have been submitted concomitant with this application, the contents
of which are hereby incorporated by reference.
TECHNICAL FIELD
[0003] This application relates to the field of biotechnology and
genetic and acquired diseases. In particular, it relates to the
alteration of mRNA processing of specific pre-mRNA to remove a
proteolytic cleavage site from a protein encoded by the
pre-mRNA.
BACKGROUND
[0004] Proteolytic processing is a major form of post-translational
modification that occurs when a protease cleaves one or more bonds
in a target protein to modify its activity. This processing may
lead to activation, inhibition, alteration or destruction of the
protein's activity. Many cellular processes are controlled by
proteolytic processing. The attacking protease may remove a peptide
segment from either end of the target protein, but it may also
cleave internal bonds in the protein that lead to major changes in
the structure and function of the protein.
[0005] Proteolytic processing is a highly specific process. The
mechanism of proteolytic processing varies according to the protein
being processed, location of the protein, and the protease.
[0006] Proteolytic processing can have various functions. For
instance, proteolysis of precursor proteins regulates many cellular
processes including gene expression, embryogenesis, the cell cycle,
programmed cell death, intracellular protein targeting and
endocrine/neural functions. In all of these processes, proteolytic
cleavage of precursor proteins is necessary. The proteolysis is
often done by serine proteases in the secretory pathways. These
proteases are calcium-dependent serine endoproteases and are
related to yeast and subtilisin proteases and, therefore, called
Subtilisin-like Proprotein Convertases (SPCs) or PCs. Seven members
of this family have been identified and characterized and each have
conserved signal peptides, pro-regions, catalytic and P-domains but
differ in their C-terminal domains in mammals.
[0007] Autocatalytic cleavage of an N-terminal propeptide activates
these proteases, which is required for folding, and activity also
causes the release of prodomain. Other examples of function
associated with proteolytic processing are the blood clotting
cascades, the metaloendopeptidases, the secretases and the
caspases. Yet other examples are the viral proteases that
specifically process viral polyproteins.
[0008] The prior art describes various strategies to inhibit the
various proteases. For instance, gamma-secretase inhibitors are
presently being developed for the treatment of T cell acute
lymphoblastic leukemia (Nature Medicine 2009, 15:50-58). Caspase
inhibitors are being developed for a variety of different
applications (The Journal of Biological Chemistry 1998,
273:32608-32613), for instance, in the treatment of sepsis (Nature
Immunology 2000, 1:496-501).
[0009] A problem with the use of protease inhibitors is that these
proteins typically have a range of targets in the human body and,
associated therewith, a range of effects. Inhibiting a protease in
the human body through the action of a protease inhibitor thus, not
only inhibits the desired effect, but typically also has a range of
other effects that may or may not affect the utility of the
protease inhibitor for the indicated disease. Another problem
associated with protease inhibitors is that it is not always easy
to produce an inhibitor that is sufficiently specific for the
target protease and, therefore, may also inhibit other
proteases.
DISCLOSURE
[0010] The disclosure provides an alternative approach to interfere
with the proteolytic processing of target proteins. Instead of
designing inhibitors to the proteases, the target protein itself is
modified. In the art, it is known to modify a protease cleavage
site in a target protein. This is typically done by introducing
point mutations into the coding region of a protein. These
mutations typically break up the recognition sequence of the
protease. These types of modification are usually introduced into a
cDNA copy of the gene and this altered copy is inserted into the
DNA of cells by recombinant DNA technology. Although this can be
done in the laboratory, it is difficult to implement such
strategies in the clinic, if only because gene therapy applications
that rely on the introduction of a complete gene are, at present,
not very efficient, and the original gene associated with the
problem is not removed.
[0011] Provided herein is a method for removing a proteolytic
cleavage site from a protein comprising providing a cell that
expresses a pre-mRNA encoding the protein with an antisense
oligonucleotide (AON) that induces skipping of the exon sequence
that encodes the proteolytic cleavage site, the method further
comprising allowing translation of mRNA produced from the
pre-mRNA.
[0012] A method hereof is particularly useful for removing
proteolytic cleavage sites from proteins. It does not require
removal or modification of the gene itself, but rather, prevents
the incorporation of the genetic code for the proteolytic cleavage
site into the coding region of the protein in the mature mRNA. In
this way, the process is reversible. The oligonucleotide has a
finite life span in the cell and, therefore, has a finite effect on
the removal. Another advantage is that the removal is not absolute.
Not all pre-mRNA coding for the target protein that is generated by
the cell is typically targeted. It is possible to achieve high
levels of skipping. The skipping efficiency depends, for instance,
on the particular target, the particular exon sequence to be
skipped, the particular AON design, and/or the amount of AON used.
Skipping percentages are typically expressed as the ratio of mRNA
that does not have the coding part of the proteolytic cleavage site
(skipped mRNA) versus the sum of skipped mRNA and unmodified mRNA
coding for the unmodified target protein (unmodified mRNA). The
possibility of tailoring the percentage of skipping is
advantageous; for instance, when the unmodified protein is
associated with a toxic phenotype but also has a positive function
to perform that is not performed (as well) by the modified protein.
By removing the proteolytic cleavage site only from a fraction of
the protein formed, it is possible to reduce the toxic property,
while leaving the positive or desired function of the unmodified
protein at least partially intact.
[0013] A method hereof modulates the splicing of a pre-mRNA into an
mRNA, such that an exon sequence that codes for a proteolytic
cleavage site that is present in the exons encoded by the pre-mRNA
is not included in the mature mRNA produced from the pre-mRNA.
Protein that is subsequently translated from this mRNA does not
contain the proteolytic cleavage site. The invention, thus, does
not actually remove a proteolytic cleavage site from a protein that
has already been formed. Rather, it promotes the production of a
novel protein that does not contain the proteolytic cleavage site.
However, when looking at a cell as an entity wherein protein
synthesis and degradation are at equilibrium, the result of a
method of the invention can be seen as removing a proteolytic
cleavage site from a protein. Unmodified target protein is
gradually replaced by target protein that does not contain the
proteolytic cleavage site. Thus, provided is a method for producing
a cell that contains a modified protein that lacks a proteolytic
cleavage site, when compared to the unmodified protein encoded in
the genome, the method comprising providing a cell that expresses
pre-mRNA encoding the protein with an AON that induces skipping of
the exon sequence or part of the exon sequence that encodes the
proteolytic cleavage site, the method further comprising allowing
translation of mRNA produced from the pre-mRNA in the cell. The
novel mRNA from which the coding sequence for the proteolytic
cleavage site is removed is a shortened or smaller coding sequence
that codes for a shorter or smaller version of the unmodified
protein. Often, the modified protein is an internally deleted
version of the unmodified protein, wherein the internal deletion at
least breaks up and, preferably, deletes the proteolytic cleavage
site.
[0014] Antisense-mediated modulation of splicing (also referred to
as exon-skipping) is one of the fields where AONs have been able to
live up to their expectations. In this approach, AONs are
implemented to facilitate cryptic splicing, to change levels of
alternatively spliced genes, or, in case of Duchenne muscular
dystrophy (DMD), to skip an exon in order to restore a disrupted
reading frame. The latter allows the generation of internally
deleted, but largely functional, dystrophin proteins and would
convert a severe DMD into a milder Becker muscular dystrophy
phenotype. In fact, exon skipping is currently one of the most
promising therapeutic tools for DMD, and a successful first-in-man
trial has recently been completed. The antisense-mediated
modulation of splicing has been diversified since its first
introduction and now many different kinds of manipulations are
possible. Apart from classical exon skipping where typically an
entire exon is skipped from the mature mRNA, it is, for instance,
possible to skip a part of an exon. Exon inclusion is also
possible. The latter occurs when AONs targeted toward appropriate
intron sequences are coupled to the business end of
SR-proteins.
[0015] Exon skipping has been used to restore cryptic splicing, to
change levels of alternatively spliced genes, and to restore
disrupted open reading frames. This approach has been employed with
a number of genes including Apolipoprotein B, Bcl-X, Collagen type
7, dystrophin, dysferlin, prostate-specific membrane antigen, IL-5
receptor alpha, MyD88, Tau, TNFalpha2 receptor, Titin, WT1,
beta-globulin, and CFTR. Accordingly, in preferred embodiments,
methods are provided for removing a proteolytic cleavage site from
a protein, wherein the protein is not Apolipoprotein B, Bcl-X,
Collagen type 7, dystrophin, dysferlin, prostate-specific membrane
antigen, IL-5 receptor alpha, MyD88, Tau, TNFalpha2 receptor,
Titin, WT1, beta-globulin, or CFTR; more preferably, the protein is
not dystrophin.
[0016] In contrast to the previous uses for exon-skipping, provided
is a method for removing a proteolytic cleavage site in order to
treat an individual, restore function to a protein, or reduce
toxicity of a protein. The methods and oligonucleotides described
herein are particularly useful for removing proteolytic cleavage
sites from a protein, wherein the protein is involved in a
neurodegenerative disorder.
[0017] Prevention of inclusion of a coding part for a proteolytic
cleavage site into mature mRNA is, in the present invention,
typically achieved by means of exon-skipping. Antisense
oligonucleotides for exon-skipping typically enable skipping of an
exon or the 5' or 3' part of it. Antisense oligonucleotides can be
directed toward the 5' splice site, the 3' splice site, to both
splice sites, to one or more exon-internal sites and to intron
sequences, for instance, specific for the branch point. The latter
enables skipping of the upstream exon.
[0018] Skipping of the nucleotides that code for the proteolytic
cleavage site is typically achieved by skipping the exon that
contains the nucleotides that code for the proteolytic cleavage
site. The proteolytic cleavage site comprises the recognition
sequence for the specific protease and the two amino acids between
which the peptide linkage is cleaved by the protease. The
proteolytic cleavage site can overlap the boundary of two adjacent
exons or, if a part of the exon is skipped, overlap the exon
sequence that contains the cryptic splice acceptor/donor sequence.
In this embodiment, it is preferred to skip the exon sequence that
codes for the peptide linkage that is cleaved by the protease.
Whether or not a recognition sequence for a protease is actually
used in nature depends, not only on the presence of the recognition
sequence itself, but also on the location of the site in the folded
protein. An internally located recognition site is typically not
used in nature. In the invention, a proteolytic cleavage site is an
active proteolytic cleavage site that is actually used in
nature.
[0019] Skipping of the exon that contains the nucleotides that code
for the proteolytic cleavage site is preferably achieved by means
of an AON that is directed toward an exon internal sequence. An
oligonucleotide is said to be directed toward an exon internal
sequence if the complementarity region that contains the sequence
identity to the reverse complement of the target pre-mRNA is within
the exon boundary. Presently, all exons that have been targeted by
means of exon-skipping can be induced to be skipped from the mature
mRNA, often with one AON and sometimes with two AONs directed
toward the exon. However, not all AONs that can be designed induce
detectable amounts of skipping. The most experience with
exon-skipping has been gained in the DMD system. Using AON directed
toward exon-internal sequences, it has been shown that all exons
can be skipped (with the exception, of course, of the first and the
last exon). However, not all AON designed against an exon-internal
sequence actually induce detectable amounts of skipping of the
targeted exon. The frequency of randomly selected exon-internal AON
that induce skipping is around 30%, depending on the actual exon
that is targeted. Since the first trials, however, the experience
gained from AON that successfully induced skipping has resulted in
a significant improvement of the success ratio of a designed AON
(PMID: 18813282, Aartsma-Rus et al., Mol. Ther. 17(3):548 (2009).
The factors that improve the success ratio include, among others,
the predicted structure of the exon RNA at the target site, the
exact sequence targeted, and the predicted presence or absence of
specific SR-protein binding sites in the target site (ibid).
[0020] Skipping of an exon sequence encoding a proteolytic cleavage
site is preferably such that downstream amino acids of the target
protein are present in the newly formed protein. In this way, the
proteolytic cleavage site is removed while leaving much of the
downstream protein intact. In this embodiment, the functionality of
the modified protein is at least part of the functionality of the
protein as present in normal individuals. Thus, preferably, the
modified protein contains an "in frame" deletion of the proteolytic
cleavage site. Preferably, the "in frame" deleted protein has at
least 20%, preferably at least 50% of the functionality of the
unmodified protein in a normal individual. Thus, in certain
embodiments, the number of nucleotides that is skipped is dividable
by three. Skipping of an exon sequence that codes for a proteolytic
cleavage site is typically achieved by skipping the exon that
contains this sequence. Skipping of the target exon is sufficient
if this exon contains a number of nucleotides that is dividable by
three. If the exon contains another number, it is preferred to also
skip an adjacent exon, such that the total number of skipped
nucleotides is again dividable by three. In most cases, the
skipping of an adjacent exon is sufficient; however, if this also
does not result in a number of skipped nucleotides that is
dividable by three, the skipping of yet a further exon, adjacent to
the two mentioned, may be necessary. Skipping of four or more exons
is possible but often does not yield a lot of the correct protein.
Sometimes, it is possible to skip only a part of an exon. This is
either the 5' part of the 3' part of the exon. This occurs when the
exon contains a cryptic 3' or 5' splice site that can be
activated.
[0021] The term "pre-mRNA" refers to a non-processed or partly
processed precursor mRNA that is synthesized from a DNA template in
the cell nucleus by transcription. Within the context of the
invention, inducing and/or promoting skipping of an exon sequence
that codes for a proteolytic cleavage site, as indicated herein,
means that at least 1%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%
or more of the mRNA encoding of the targeted protein in a cell will
not contain the skipped exon sequence
(modified/(modified+unmodified) mRNA). This is preferably assessed
by PCR as described in the examples.
[0022] An AON hereof that induces skipping of an exon sequence that
encodes a proteolytic cleavage site, preferably, comprises a
sequence that is complementary to the exon. In some embodiments,
the AON induces skipping of an exon in its entirety. In other
embodiments, the AON induces skipping of a part of an exon,
preferably, the part encodes a proteolytic cleavage site.
Preferably, the AON contains a continuous stretch of between 8-50
nucleotides that is complementary to the exon. An AON hereof
preferably comprises a stretch of at least 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
49 or 50 nucleotides that is complementary to the exon. In certain
embodiments, the AON contains a continuous stretch of between 12-45
nucleotides that is complementary to the exon. More preferably, a
stretch of between 15-41 nucleotides. Depending on the chemical
modification introduced into the AON the complementary stretch may
be at the smaller side of the range or at the larger side. A
preferred antisense oligonucleotide, according to the invention,
comprises a T-O alkyl phosphorothioate antisense oligonucleotide,
such as 2'-O-methyl modified ribose (RNA), 2'-O-ethyl modified
ribose, 2'-O-propyl modified ribose, and/or substituted derivatives
of these modifications, such as halogenated derivatives. A most
preferred AON, comprises of 2'-O-methyl phosphorothioate ribose.
Such AON, typically, do not need to have a very large complementary
stretch. Such AON, typically, contain a stretch of between 15-25
complementary nucleotides. As described herein below, another
preferred AON hereof comprises a morpholino backbone. AON
comprising such backbones typically contain somewhat larger
stretches of complementarity. Such AON, typically, contain a
stretch of between 25-40 complementary nucleotides. When in this
invention reference is made to the range of nucleotides, this range
includes the number(s) mentioned. Thus, by way of example, when
reference is made to a stretch of between 8-50, this includes 8 and
50.
[0023] An AON hereof that is complementary to a target RNA is
capable of hybridizing to the target RNA under stringent
conditions. Typically, this means that the reverse complement of
the AON is at least 90% and, preferably, at least 95% and, more
preferably, at least 98% and, most preferably, at least 100%
identical to the nucleotide sequence of the target at the targeted
sited. An AON hereof, thus preferably, has two or less mismatches
with the reverse complement of the target RNA, preferably, it has
one or no mismatches with the reverse complement of the target RNA.
In another preferred embodiment, the AON may be specifically
designed to have one or more mismatches, preferably, one or two
mismatches, e.g., in cases where it is necessary to reduce the
affinity when the skipping of the 100% complementary AON is more
effective than biologically desired in view of the necessary
remaining protein activity. A mismatch is defined herein as a
nucleotide or nucleotide analogue that does not have the same base
pairing capacity in kind, not necessarily in amount, as the
nucleotide it replaces. For instance, the base of uracil that
replaces a thymine and vice versa, is not a mismatch. A preferred
mismatch comprises an inosine. An inosine nucleotide is capable of
pairing with any natural base in an RNA, i.e., capable of pairing
with an A, C, G or U in the target RNA.
[0024] In certain embodiments, the nucleotide analogue or
equivalent comprises a modified backbone. Examples of such
backbones are provided by morpholino backbones, carbamate
backbones, siloxane backbones, sulfide, sulfoxide and sulfone
backbones, formacetyl and thioformacetyl backbones,
methyleneformacetyl backbones, riboacetyl backbones, alkene
containing backbones, sulfamate, sulfonate and sulfonamide
backbones, methyleneimino and methylenehydrazino backbones, and
amide backbones. Phosphorodiamidate morpholino oligomers are
modified backbone oligonucleotides that have previously been
investigated as antisense agents. Morpholino oligonucleotides have
an uncharged backbone in which the deoxyribose sugar of DNA is
replaced by a six-membered ring, and the phosphodiester linkage is
replaced by a phosphorodiamidate linkage. Morpholino
oligonucleotides are resistant to enzymatic degradation and appear
to function as antisense agents by arresting translation or
interfering with pre-mRNA splicing rather than by activating RNase
H. Morpholino oligonucleotides have been successfully delivered to
tissue culture cells by methods that physically disrupt the cell
membrane. One study comparing several of these methods, found that
scrape loading was the most efficient method of delivery; however,
because the morpholino backbone is uncharged, cationic lipids are
not effective mediators of morpholino oligonucleotide uptake in
cells. A recent report demonstrated triplex formation by a
morpholino oligonucleotide and, because of the non-ionic backbone,
these studies showed that the morpholino oligonucleotide was
capable of triplex formation in the absence of magnesium. A
modified backbone is typically preferred to increase nuclease
resistance of the AON, the target RNA or the AON/target RNA hybrid,
or a combination thereof. A modified backbone can also be preferred
because of its altered affinity for the target sequence compared to
an unmodified backbone. An unmodified backbone can be RNA or DNA,
preferably it is an RNA backbone.
[0025] It is further preferred that the linkage between the
residues in a backbone does not include a phosphorus atom, such as
a linkage that is formed by short chain alkyl or cycloalkyl
internucleoside linkages, mixed heteroatom and alkyl or cycloalkyl
internucleoside linkages, or one or more short chain heteroatomic
or heterocyclic internucleoside linkages.
[0026] A preferred nucleotide analogue or equivalent, comprises a
Peptide Nucleic Acid (PNA), having a modified polyamide backbone
(Nielsen, et al. (1991) Science 254, 1497-1500). PNA-based
molecules are true mimics of DNA molecules in terms of base-pair
recognition. The backbone of the PNA is composed of
7V-(2-aminoethyl)-glycine units linked by peptide bonds, wherein
the nucleobases are linked to the backbone by methylene carbonyl
bonds. An alternative backbone comprises a one-carbon extended
pyrrolidine PNA monomer (Govindaraju and Kumar (2005) Chem. Commun.
495-497). Since the backbone of a PNA molecule contains no charged
phosphate groups, PNA-RNA hybrids are usually more stable than
RNA-RNA or RNA-DNA hybrids, respectively, (Egholm et al. (1993)
Nature 365:566-568).
[0027] A further preferred backbone, comprises a morpholino
nucleotide analog or equivalent, in which the ribose or deoxyribose
sugar is replaced by a six-membered morpholino ring. A most
preferred nucleotide analog or equivalent, comprises a
phosphorodiamidate morpholino oligomer (PMO), in which the ribose
or deoxyribose sugar is replaced by a six-membered morpholino ring,
and the anionic phosphodiester linkage between adjacent morpholino
rings is replaced by a non-ionic phosphorodiamidate linkage.
[0028] In yet a further embodiment, a nucleotide analogue or
equivalent of the invention, comprises a substitution of one of the
non-bridging oxygens in the phosphodiester linkage. This
modification slightly destabilizes base-pairing but adds
significant resistance to nuclease degradation. A preferred
nucleotide analogue or equivalent, comprises phosphorothioate,
chiral phosphorothioate, phosphorodithioate, phosphotriester,
aminoalkylphosphotriester, H-phosphonate, methyl and other alkyl
phosphonate including 3'-alkylene phosphonate, 5'-alkylene
phosphonate and chiral phosphonate, phosphinate, phosphoramidate
including 3'-amino phosphoramidate and aminoalkylphosphoramidate,
thionophosphoramidate, thionoalkylphosphonate,
thionoalkylphosphotriester, selenophosphate or boranophosphate.
[0029] A further preferred nucleotide analogue or equivalent of the
invention, comprises one or more sugar moieties that are mono- or
disubstituted at the 2',3' and/or 5' position, such as a --OH; --F;
substituted or unsubstituted, linear or branched lower (Cl-ClO)
alkyl, alkenyl, alkynyl, alkaryl, allyl, aryl, or aralkyl that may
be interrupted by one or more heteroatoms; O-, S-, or N-alkyl; O-,
S-, or N-alkenyl; O-, S- or N-alkynyl; O-, S-, or N-allyl;
O-alkyl-O-alkyl, -methoxy, -aminopropoxy; -amino xy; methoxyethoxy;
-dimethyl-aminooxyethoxy; and -dimethylaminoethoxyethoxy. The sugar
moiety can be a pyranose or derivative thereof, or a deoxypyranose
or derivative thereof, preferably, a ribose or a derivative
thereof, or a deoxyribose or a derivative thereof. Such preferred
derivatized sugar moieties comprise Locked Nucleic Acid (LNA), in
which the 2'-carbon atom is linked to the 3' or 4' carbon atom of
the sugar ring, thereby, forming a bicyclic sugar moiety. A
preferred LNA comprises 2'-0,4'-C-ethylene-bridged nucleic acid
(Morita et al. 2001, Nucleic Acid Res., Supplement No. 1:241-242).
These substitutions render the nucleotide analogue, or equivalent
RNase H and nuclease, resistant and increase the affinity for the
target RNA. As is apparent to one of skill in the art, the
substitutions provided herein render the double-stranded complex of
the antisense oligonucleotide with its target pre-mRNA RNase H
resistant. Accordingly, preferred oligonucleotides bind to the
pre-mRNA of the protein to form a double-stranded nucleic acid
complex and are chemically modified to render the double-stranded
nucleic acid complex RNAse H resistant.
[0030] It is understood by a skilled person that it is not
necessary for all positions in an antisense oligonucleotide to be
modified uniformly. In addition, more than one of the
aforementioned analogues or equivalents, may be incorporated in a
single antisense oligonucleotide or even at a single position
within an antisense oligonucleotide. In certain embodiments, an
antisense oligonucleotide hereof has at least two different types
of analogues or equivalents.
[0031] As mentioned hereinabove, a preferred AON hereof, comprises
a T-O alkyl phosphorothioate antisense oligonucleotide, such as
2'-O-methyl modified ribose (RNA), 2'-O-ethyl modified ribose,
2'-O-propyl modified ribose, and/or substituted derivatives of
these modifications, such as halogenated derivatives. A most
preferred AON, comprises of 2'-O-methyl phosphorothioate
ribose.
[0032] An AON can be linked to a moiety that enhances uptake of the
antisense oligonucleotide in cells. Examples of such moieties are
cholesterols, carbohydrates, vitamins, biotin, lipids,
phospholipids, cell-penetrating peptides including but not limited
to antennapedia, TAT, transportan and positively charged amino
acids, such as oligoarginine, poly-arginine, oligolysine or
polylysine, antigen-binding domains, such as provided by an
antibody, a Fab fragment of an antibody, or a single chain antigen
binding domain, such as a cameloid single domain antigen-binding
domain.
[0033] Additional flanking sequences may be used to modify the
binding of a protein to the AON, or to modify a thermodynamic
property of the AON, more preferably, to modify target RNA binding
affinity.
[0034] AON administration in humans is typically well-tolerated.
Clinical manifestations of the administration of AON in human
clinical trials have been limited to the local side effects
following subcutaneous (SC) injection (on the whole intravenous
(i.v.) administration seems to be better tolerated) and generalized
side effects, such as fever and chills that similar to the response
to interferon administration, respond well to paracetamol. More
than 4000 patients with different disorders have been treated so
far using systemic delivery of first generation AON
(phosphorothioate backbone), and approximately 500 following local
administration. The typical dosage used ranged from 0.5 mg/kg every
other day for one month in Crohn's disease, to 200 mg twice weekly
for three months in rheumatoid arthritis, to higher dosages of 2
mg/kg day in other protocols dealing with malignancies. Fewer
patients (approx. 300) have been treated so far using new
generation AON (uniform phosphorothioated backbone with flanking 2'
methoxyethoxy wing) delivered systemically at doses comprised
between 0.5 and 9 mg/kg per week for up to three weeks.
[0035] Delivery of AON to cells of the brain can be achieved by
various means. For instance, they can be delivered directly to the
brain via intracerebral inoculation (Schneider et al., Journal of
Neuroimmunology (2008) 195:21-27), intraparenchymal infusion
(Broaddus et al., J. Neurosurg. 1998 April; 88(4):734-42),
intrathecal, or intraventricularly. Alternatively, the AON can be
coupled to a single domain antibody or the variable domain thereof
(VHH) that has the capacity to pass the Blood Brain barrier.
Nanotechnology has also been used to deliver oligonucleotides to
the brain, e.g., a nanogel consisting of cross-linked PEG and
polyethylenimine. Encapsulation of AON in liposomes is also well
known to one of skill in the art.
[0036] An AON hereof may comprise a sequence that is complementary
to part of the pre-mRNA, as defined herein. In a more preferred
embodiment, the length of the complementary part of the
oligonucleotide is of at least 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50
nucleotides. Additional flanking sequences may be used to modify
the binding of a protein to the molecule or oligonucleotide, or to
modify a thermodynamic property of the oligonucleotide, more
preferably, to modify target RNA binding affinity. An AON hereof
may further comprise additional nucleotides that are not
complementary to the target site on the target pre-mRNA. In certain
embodiments, an AON contains between 8-50 nucleotides. An AON
hereof preferably comprises a stretch of at least 9, 10, 11, 12,
13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46,
47, 48, 49 or 50 nucleotides. In certain embodiments, the AON
contains a continuous stretch of between 12-45 nucleotides, more
preferably, a stretch of between 15-41 nucleotides. Depending on
the chemistry of the backbone, as indicated hereinabove, an AON
hereof contains between 15-25 nucleotides. An AON hereof with a
morpholino backbone typically contains a stretch of between 25-40
nucleotides. In certain embodiments, the indicated amounts for the
number of nucleotides in the AON refers to the length of the
complementarity to the target pre-mRNA, preferably to an exon
internal sequence, however, the target sequence can also be a 5' or
a 3' splice site of an exon or an intron sequence, such as
preferably a branch point. In another preferred embodiment, the
indicated amounts refer to the total number of nucleotides in the
AON.
[0037] Preferably, the complementary part is at least 50% of the
length of the oligonucleotide hereof, more preferably, at least
60%, even more preferably, at least 70%, even more preferably, at
least 80%, even more preferably, at least 90% or even more
preferably, at least 95%, or even more preferably, 98% and most
preferably, up to 100% of the length of the oligonucleotide hereof,
with the putative exception of deliberately introduced specific
mismatches, e.g., for down-regulating affinity when necessary.
[0038] With respect to AON that also contain additional
nucleotides, the total number of nucleotides typically does not
exceed 50, and the additional nucleotides preferably range in
number from between 5-25, preferably from 10-25, more preferably,
from 15-25. The additional nucleotides typically are not
complementary to the target site on the pre-mRNA but may be
complementary to another site on the pre-mRNA or may serve a
different purpose and not be complementary to the target pre-mRNA,
i.e., less than 95% sequence identity of the additional nucleotides
to the reverse complement of the target pre-mRNA.
[0039] The proteolytic cleavage site that is to be removed from a
protein by a method or AON hereof is preferably a serine
endoprotease cleavage site, a metaloendopeptidase cleavage site, a
secretase cleavage site and/or a caspase cleavage site. In a
particularly preferred embodiment, the cleavage site is a caspase
cleavage site or secretase cleavage site. Caspases are a family of
intracellular cysteine proteases that play a central role in the
initiation and execution of programmed cell death. The term
caspases is a short form for Cysteine Aspartate-specific Proteases:
their catalytical activity depends on a critical cysteine-residue
within a highly conserved active-site pentapeptide QACRG, and the
caspases specifically cleave their substrates after Asp residues
(also the serine-protease granzyme B has specificity for Asp in the
P1 position of substrates). More than ten different members of the
caspase family have been identified in mammals. According to a
unified nomenclature, the caspases are referred to in the order of
their publication: so Caspase-1 is ICE
(Interleukin-lbeta-Converting Enzyme), the first aspartate-specific
cysteine protease described. The secretase family of proteases is
subdivided into three groups, the alpha-, beta- and
gamma-secretases. In certain embodiments, the secretase is a
gamma-secretase.
[0040] The protein from which the proteolytic cleavage site is to
be removed can be any protein that contains a proteolytic cleavage
site. In certain embodiments, the protein is a mammalian protein,
more preferably, a primate protein. In a particularly preferred
embodiment, the protein is a human protein. In certain embodiments,
the protein is associated with a disease in humans. In a
particularly preferred embodiment, the protein is associated with a
triplet repeat disease in humans. Preferably, a polyglutamine
repeat disease.
[0041] In certain embodiments, the protein comprises a caspase
cleavage site or secretase cleavage site. Preferably, the protein
comprises a caspase-3 or -6 proteolytic cleavage site. Preferably,
the protein is a protein that is normally present in the brain of a
mammal. In a particularly preferred embodiment, the gene encoding
the protein is a mutant gene that encodes a trinucleotide repeat
expansion when compared to the gene of a normal individual.
[0042] In a particularly preferred embodiment, the protein is a
protein encoded by one of the genes listed in Table 1a or 1b. In a
particularly preferred embodiment, the gene is a mutant gene that
is the causative gene in a polyglutamine disorder, preferably a
gene of Table 1a. In a particularly preferred embodiment, the gene
is the huntingtin (Htt) gene. Htt is expressed in all mammalian
cells. The highest concentrations are found in the brain and
testes, with moderate amounts in the liver, heart, and lungs. The
function of Htt in humans is as yet not entirely resolved. Htt
interacts among others with proteins, which are involved in
transcription, cell signaling and intracellular transporting. In
humans the gene, and in particular mutants thereof, is associated
with Huntington's disease (HD). HD is a progressive
neurodegenerative genetic disorder, which affects muscle movement
and muscle coordination and leads to cognitive decline and
dementia. It typically becomes noticeable in middle age. HD is the
most common genetic cause of abnormal involuntary writhing
movements called chorea and is much more common in people of
Western European descent than in those from Asia or Africa. The
disease is caused by an autosomal dominant mutation of the
Htt-gene. A child of an affected parent has a 50% risk of
inheriting the disease.
[0043] For the Htt gene, it is preferred that the caspase-6
proteolytic cleave site encoded by exon Htt exon 12 is removed from
the Huntingtin protein. It is preferred that the coding region that
codes for the proteolytic cleavage site is removed "in frame," so
as to allow incorporation of the normal downstream amino acid
sequence into the mutant protein. In one embodiment, the "in frame"
removal is achieved by providing the cell with an AON that enables
skipping of exon 12 and an AON that enables skipping of exon 13 of
the Htt gene. In another preferred embodiment, the "in frame"
removal is achieved by providing the cell with an AON capable of
inducing exon skipping directed toward the region delimited by
nucleotides 269-297 of exon 12 of the Htt gene. In certain
embodiments, the AON is directed toward region delimited by
nucleotides 207 until 341 of exon 12. It is preferred that the AON
is directed toward the internal region delimited by nucleotides 207
until 341 of exon 12. This includes nucleotides 207 and 341. It has
been found in the present invention that AON directed toward the
preferred regions induce skipping of the last 135 nucleotides of
exon 12, thereby producing an "in frame" complete deletion of two
active caspase 3 cleavage sites at amino acid 513 and 552, and
removal of the first amino acid of an active caspase 6 site,
partially located in exon 12 and partially in exon 13. AON HDEx12_1
(Table 2) activates a cryptic splice site at nucleotide 206 in exon
12, leading to the absence of the remainder of exon 12 from the
formed mRNA.
[0044] Further provided is an isolated and/or recombinant modified
Htt mRNA having a deletion of at least nucleotides 207 until 341 of
exon 12. The modified Htt mRNA preferably comprises the exons 1-11,
the first 206 nucleotides of exon 12 and exons 13-67. In another
preferred embodiment, the modified Htt mRNA comprises the exons
1-11, 14-67.
[0045] In another embodiment provided is an isolated and/or
recombinant modified Htt protein comprising a deletion of amino
acids 538-583. The modified Htt protein preferably comprises the
amino acid sequence encoded by exons 1-11, the first 206
nucleotides of exon 12, and exons 13-67. In another preferred
embodiment, the modified Htt protein comprises the amino acid
sequence encoded by exons 1-11, 14-67.
[0046] In yet another embodiment provided is an isolated and/or
recombinant cell comprising a modified Htt mRNA and/or a modified
Htt protein as indicated herein above. Preferably, the cell
comprises an Htt gene comprising a coding region of a polyglutamine
repeat, the length of which is associated with HD.
[0047] For the ATXN3 gene, it is preferred that the caspase
cleavage sites in exon 7 is removed from the protein. It is
preferred that the coding region that codes for the proteolytic
cleavage site is removed "in frame," so as to allow incorporation
of the normal downstream amino acid into the mutant protein. In one
embodiment, the "in frame" removal is achieved by providing the
cell with an AON that enables skipping of exon 7 and an AON that
enables skipping of exon 8 of the ATXN3 gene.
[0048] For the ATN1 gene, it is preferred that the caspase 3
cleavage site near the N-terminus of the protein and the
polyglutamine tract (.sup.106DSLD.sup.109) in exon 5 is removed
from the protein. It is preferred that the coding region that codes
for the proteolytic cleavage site is removed "in frame," so as to
allow incorporation of the normal downstream amino acid into the
mutant protein. In one embodiment, the "in frame" removal is
achieved by providing the cell with an AON that enables skipping of
exon 5 and an AON that enables skipping of exon 6 of the ATN1 gene.
In certain embodiments, the AON comprises a sequence as depicted in
Table 2 under DPRLA AON.
[0049] Further provided is an AON, of preferably between 14-40
nucleotides that induces skipping of an exon that encodes a
proteolytic cleavage site in a protein. In certain embodiments,
provided is an AON comprising a sequence as depicted in Table 2.
The AON is suitable for skipping the indicated exon of the gene. In
a particularly preferred embodiment, the AON comprises the sequence
of HDEx12_1 of Table 2. In another preferred embodiment, provided
is an AON as indicated herein above that is specific for the region
identified by a sequence of an AON depicted in Table 2. In certain
embodiments, the AON comprises at least 10 consecutive nucleotides
of the region identified by an oligonucleotide as depicted in Table
2. In a particularly preferred embodiment, provided is an AON, as
indicated hereinabove, that is specific for the region identified
by a sequence of HDEx12_1 of Table 2.
[0050] Further provided is the use of exon-skipping in a cell for
removing a proteolytic cleavage site from a protein. Further
provided is the use of an AON that induces skipping of an exon that
encodes a proteolytic cleavage site in a protein, for removing the
proteolytic cleavage site from the protein in a cell that produces
pre-mRNA encoding the protein. Further provided is an
oligonucleotide of between 14-40 nucleotides that induces skipping
of an exon that encodes a proteolytic cleavage site in a protein
for use in the treatment of a disease that is associated with a
proteolytic cleavage product of the protein.
[0051] In another embodiment, provided is a method for altering the
proteolytic processing of a protein that comprises a proteolytic
cleavage site comprising providing a cell that produces a pre-mRNA
that codes for the protein with an AON that is specific for the
pre-mRNA; and that prevents inclusion of the code for the
proteolytic cleavage site into mature mRNA produced from the
pre-mRNA, the method further comprising allowing translation of the
mRNA to produce the protein of which the proteolytic processing is
altered.
[0052] Further provided is a non-human animal comprising an
oligonucleotide hereof. Preferably, the non-human animal comprises
a mutant gene that encodes a trinucleotide repeat expansion when
compared to the gene of a normal individual.
[0053] Further provided is a modified human protein from which a
proteolytic cleavage site is removed by means of exon skipping.
Further provided is an mRNA encoding a modified human protein from
which a proteolytic cleavage site is removed by means of exon
skipping.
[0054] Further provided is a cell encoding a human protein
comprising a proteolytic cleavage site, wherein the cell contains
an AON hereof for removing the proteolytic cleavage site from the
protein in the cell.
[0055] The general nomenclature of cleavage site positions of the
substrate were formulated by Schecter and Berger, 1967-68
[Schechter and Berger, 1967], [Schechter and Berger, 1968]. They
designate the cleavage site between P1-P1', incrementing the
numbering in the N-terminal direction of the cleaved peptide bond
(P2, P3, P4, etc.). On the carboxyl side of the cleavage site,
numbering are likewise incremented (P1', P2', P3', etc.).
BRIEF DESCRIPTION OF THE DRAWINGS
[0056] FIGS. 1A and 1B: Exon skipping after transfection with
various concentrations HDEx12_1 AON. FIG. 1A) Patient derived HD
fibroblasts were treated with 1, 25, 150, and 1000 nM HDEx12_1.
.beta.-Actin was taken along as loading control. Increasing the AON
concentration from 1 nM to 25 nM resulted in a higher skip
percentage from 16% to 92% as was measured by Lab-on-a-Chip. The
highest skip percentage of 95% was obtained with 150 nM HDEx12_1.
Too high concentration of AON resulted in inefficient skip. In the
Mock I control (transfection agent only) no skip is visible as
expected. The potency of HDEx12_1 exon 12 skip was also seen in
another HD and control fibroblast cell line and human neuroblastoma
SH-SY5Y cells. FIG. 1B) Schematic representation of PCR of HD exons
9 to 14. Both schematic representation of normal (top) and shorter,
skipped exon 12 (bottom) products are shown.
[0057] FIG. 2: Log dose response curve of HDEx12_1 AON in a HD
fibroblast cell line. X-axis displays the log concentration (nM)
and y-axis the percentage of skip. The half maximum inhibitory
value (IC50) of the HDEx12_1 AON was found to be 40 nM. The optimal
percentage exon 12 skip was achieved with an AON concentration of
150 nM and higher. Results shown as mean.+-.SEM (n=2-3).
[0058] FIGS. 3A and 3B: Sanger sequencing of normal (FIG. 3A) and
skipped (SEQ ID NO:228) (FIG. 3B) PCR product (SEQ ID NO:229).
HDEx12_1 AON transfection in a HD fibroblast cell line resulted in
an in-frame skip of 135 nucleotides, which corresponds with 45
amino acids. The observed skip is caused by the activation of an
alternative splice site (AG|GTRAG, see dashed box (positions 6-12
of SEQ ID NO:228)), resulting in an alternative splice site exon
isoform. This partial exon 12 skip results in the deletion of an
active caspase-3 site .sup.549DLND.sup.552 and partial removal of
the first amino acid (Isoleucine) of an active caspase-6 site
(.sup.583IVLD.sup.586).
[0059] FIG. 4: Partial amino acid sequence of the huntingtin
protein (see SEQ ID NO:227). Underlined are the amino acids encoded
by exon 12 and 13. Highlighted is the part of the protein that is
currently skipped by the exon 12 AON. In bold is the caspase-3 site
.sup.510DSVD.sup.513, caspase-3 site .sup.549DLND.sup.552 and
caspase-6 site .sup.583IVLD.sup.586.
[0060] FIGS. 5A-5D: Schematic diagram of huntingtin. FIG. 5A)
Diagram of complete htt protein. PolyQ indicates the polyglutamine
tract. The arrows indicate the caspase cleavage sites and their
amino acid positions. FIG. 5B) Amino-terminal part of the htt
protein. Htt exon 1 to 17 are depicted. The arrows indicate the
caspase cleavage sites and their amino acid positions. FIG. 5C)
Schematic representation and amino acid sequence of htt exon 12 and
13 with the caspase cleavage motifs depicted in bold. Exon
boundaries are shown with vertical grey bars (SEQ ID NO:230). FIG.
5D) Partial amino acid and nucleotide sequence of htt exon 12 and
13 (SEQ ID NOS:231 and 233). Caspase cleavage motifs are depicted
in bold and exon boundary is shown with vertical grey bar. The
light grey highlighted sequence denotes the part which is skipped
after HDEx12_1 AON treatment.
DETAILED DESCRIPTION
Examples
[0061] AON-Mediated Exon Skipping in Neurodegenerative Diseases to
Remove Proteolytic Cleavage Sites. AON-Mediated Exon Skipping in
Huntington's Disease to Remove Proteolytic Cleavage Sites from the
Huntingtin Protein
Methods
AONs and Primers
[0062] All AONs consisted of 2'-O-methyl RNA and full length
phosphorothioate backbones.
Cell Cultures and AON Transfection
[0063] Patient fibroblast cells and human neuroblastoma cells were
transfected with AONs at concentrations ranging between 1-1000 nM,
using Polyethylenemine (PEI) ExGen500 according to the
manufacturer's instructions, with 3.3 .mu.l PEI per .mu.g of
transfected AON. A second transfection was performed 24 hours after
the first transfection. RNA was isolated 24 hours after the second
transfection and cDNA was synthesized using random hexamer
primers.
Cell Lines Used:
[0064] FLB73 Human Fibroblast Control
[0065] GM04022 Human Fibroblast HD
[0066] GM02173 Human Fibroblast HD
[0067] SH-SY5Y Neuroblastoma Control
[0068] Quantitative Real-Time PCR (qRT-PCR) was carried out using
the LIGHTCYCLER.RTM. 480 System (Roche) allowing for quantification
of gene expression.
Agarose Gel and Sanger Sequencing
[0069] All PCR products were run on 2% agarose gel with 100 base
pair ladders. Bands were isolated using the QIAGEN.RTM. PCR
purification kit according to manufacturer's instructions. The
samples were then sequenced by Sanger sequencing using the Applied
Biosystems BigDyeTerminator v3.1 kit.
Lab-On-a-Chip
[0070] Lab-on-a-Chip automated electrophoresis was used to quantify
the PCR products using a 2100 Bioanalyzer. Samples were made 1 part
.beta.-Actin primed product, as a reference transcript, to 5 parts
experimental PCR products. The samples were run on a DNA 1000
chip.
Western Blot
[0071] Protein was isolated from cells 72 hours after the first
transfection and run on a Western blots, transferred onto a PVDF
membrane and immunolabelled with primary antibodies recognizing
htt, 1H6 or 4C8 (both 1:1,000 diluted)
Materials
[0072] AONs and primers were obtained from Eurogentec, Liege,
Belgium.
[0073] AON sequences:
TABLE-US-00001 HDEx12_1: (SEQ ID NO: 1)
CGGUGGUGGUCUGGGAGCUGUCGCUGAUG HDEx12_2: (SEQ ID NO: 2)
UCACAGCACACACUGCAGG HDEx13_1: (SEQ ID NO: 3)
GUUCCUGAAGGCCUCCGAGGCUUCAUCA HDEx13_2: (SEQ ID NO: 4)
GGUCCUACUUCUACUCCUUCGGUGU
[0074] Patient fibroblast cell lines GM04022 and GM02173 were
obtained from Coriell, Institute for Medical Research, Camden, USA
and control fibroblast cell line FLB73 from Maaike Vreeswijk,
LUMC.
Results
[0075] Transfection of AON HDEx12_1 in both patient derived HD
fibroblast and human neuroblastoma cells showed an efficient skip
(see FIGS. 1A and 1B) of exon 12. The optimal percentage exon 12
skip was achieved with a concentration of 150 nM, but a skip was
already visible at 1 nM (see FIG. 2). Sanger sequencing confirmed
that the last 135 nucleotides of exon 12 were skipped after
transfection of the cells with AON HDEx12_1. This corresponded to
deletion of 45 amino acids containing two active caspase 3 sites
and the first amino acid of an active caspase 6 site (see FIGS. 3A,
3B, and 4). In silico analysis revealed that the observed skip is
likely due to the activation of the alternative splice site
AG|GTRAG (positions 6-12 of SEQ ID NO:228) resulting in an
alternative splice site exon isoform (see FIGS. 3A and 3B).
CONCLUSIONS
[0076] With AON HDEx12_1, we have shown a partial skip of exon 12
of the huntingtin transcript that result in a truncated but in
frame protein product. Using different cell lines we have confirmed
this partial exon 12 skip by Sanger sequencing and in silico
analysis revealed an alternative splice site in exon 12 that is
likely the cause of this partial skip. This skipped protein product
misses two complete caspase-3 cleavage sites located in exon 12,
and the first amino acid of the caspase-6 cleavage site that is
located on the border of exon 12 and 13. Recent mouse model data
showed that the preferred site of in vivo htt cleavage to be at
amino acid 552, which is used in vitro by either caspase-3 or
caspase-2.sup.1 and that mutation of the last amino acid of the
caspase 6 cleavage site at amino acid position 586 reduces toxicity
in an HD model..sup.2
[0077] Functional analysis will be performed to determine whether
AON HDEx12_1 can reduce the toxicity of mutant huntingtin and to
determine the level of prevention of formation of toxic N-terminal
huntingtin fragments. Also other AONs will be tested to completely
skip exons 12 and 13 of the huntingtin transcript.
REFERENCES CITED
[0078] 1. Wellington, C. L. et al. Inhibiting caspase cleavage of
huntingtin reduces toxicity and aggregate formation in neuronal and
nonneuronal cells. J. Biol. Chem. 275:19831-19838 (2000). [0079] 2.
Graham, R. K. et al. Cleavage at the Caspase-6 Site Is Required for
Neuronal Dysfunction and Degeneration Due to Mutant Huntingtin.
Cell 125:1179-1191 (2006).
TABLE-US-00002 [0079] TABLE 1a Polyglutamine (PolyQ) Diseases
Normal Pathogenic PolyQ PolyQ Type Gene repeats repeats DRPLA
(Dentatorubropallidoluysian ATN1 or DRPLA 6-35 49-88 atrophy) HD
(Huntington's disease) Htt (Huntingtin) 10-35 35+ SBMA (Spinobulbar
muscular atrophy Androgen receptor on 9-36 38-62 or Kennedy
disease) the X chromosome. SCA1 (Spinocerebellar ataxia Type 1)
ATXN1 6-35 49-88 SCA2 (Spinocerebellar ataxia Type 2) ATXN2 14-32
33-77 SCA3 (Spinocerebellar ataxia Type 3 or ATXN3 12-40 55-86
Machado-Joseph disease) SCA6 (Spinocerebellar ataxia Type 6)
CACNA1A 4-18 21-30 SCA7 (Spinocerebellar ataxia Type 7) ATXN7 7-17
38-120 SCA17 (Spinocerebellar ataxia Type 17) TBP 25-42 47-63
TABLE-US-00003 TABLE 1b Non-Polyglutamine Diseases Unstable repeat
disorders caused by loss-of-function, RNA-mediated, or unknown
mechanism MIM Repeat Gene Normal Expanded Main clinical features
Disease Number unit product repeat repeat length Loss of function
mechanism FRAXA 309550 (CGC).sub.n FMRP 6-60 >200 (full Mental
retardation, mutation) macroorchidsm, connective tissue defects,
behavioral abnormalities FRAXE 309548 (CCG).sub.n FMR2 4-39 200-900
Mental retardation FRDA 229300 (GAA).sub.n Frataxin 6-32 200-1700
Sensory ataxia, cardiomyopathy, diabetes RNA-mediated pathogenesis
DM1 160900 (CTG).sub.n DMPK 5-37 50-10,000 Myotonia, weakness,
cardiac conduction defects, insulin resistance, cataracts,
testicular atrophy, and mental retardation in congenital form FXTAS
309550 (CGG).sub.n FMR1 RNA 6-60 60-200 Ataxia, tremor,
(premutation) Parkinsonism, and dementia Unknown pathogenic
mechanism SCA8 608768 (CTG).sub.n SCA8 RNA 16-34 >74 Ataxia,
slurred speech, nystagmus SCA12 604326 (CAG).sub.n PPP2R2B 7-45
55-78 Ataxia and seizures HDL2 606438 (CTG).sub.n Junctophilin 7-28
66-78 Similar to HD Annual Review of Neuroscience, Vol. 30: 575-621
(Volume publication date July 2007) Trinucleotide Repeat Disorders,
Harry T. Orr and Huda Y. Zoghbi
TABLE-US-00004 TABLE 2 List of AON HDEx12_1:
CGGUGGUGGUCUGGGAGCUGUCGCUGAUG (SEQ ID NO: 1) HDEx12_2:
UCACAGCACACACUGCAGG (SEQ ID NO: 2) HDEx13_1:
GUUCCUGAAGGCCUCCGAGGCUUCAUCA (SEQ ID NO: 3) HDEx13_2:
GGUCCUACUUCUACUCCUUCGGUGU (SEQ ID NO:4) HDEx12_2 is a comparative
example of an oligo- nucleotide having the nucleotide sequence of
Htt in the sense strand. DRPLA AONs: 1 DRPLAEx5_18 GUC GCU GCU GCC
AUC AUC AU (SEQ ID NO: 5) 2 DRPLAEx5_128 AAG AGG AAG CAG GAG GCA GA
(SEQ ID NO: 6) 3 DRPLAEx5_81 GGA GGA GCC UGG AAC AUU CG (SEQ ID NO:
7) 1 DRPLAEx6_80 AAG CUC GCG CUC CUU CUC GC (SEQ ID NO: 8) 2
DRPLAEx6_1 CGA GUU GAA GCC GCG AUC CA (SEQ ID NO: 9) 3 DRPLAEx6_84
GUU CAA GCU CGC GCU CCU UC (SEQ ID NO: 10) HDEx AON are
oligonucleotides for skipping exons 12 or 13 of the Htt gene. DRPLA
AON are oligonucleotides for skipping exons 5 or 6 of the
DRPLA/ATN1 gene.
[0080] Table 3 provides further oligonucleotides for exon
skipping.
[0081] APP: amyloid precursor protein in Alzheimer's disease (AD);
ATN1: Atrophin 1 in DRPLA; ATNX3: Ataxin 3 for SCA3; ATXN7: Ataxin
7 in SCAT; TBP: TATA binding protein for SCA17; and HTT in
Huntington's disease (HD)
TABLE-US-00005 TABLE 3 AON sequences targeting proteins involved in
neurodegenerative diseases SEQ ID SEQ ID Disease AON Name Target
Sequence NO: AON Sequence NO: AD hAPPEx15_1 GTTCTGGGTTGACAAATATCAAG
11 CUUGAUAUUUGUCAACCCAGAAC 12 AD hAPPEx15_2 CGGAGGAGATCTCTGAAGTGAAG
13 CUUCACUUCAGAGAUCUCCUCCG 14 AD hAPPEx15_3 GATGCAGAATTCCGACATGAC
15 GUCAUGUCGGAAUUCUGCAUC 16 AD hAPPEx15_4 CTCAGGATATGAAGTTCATCATC
17 GAUGAUGAACUUCAUAUCCUGAG 18 AD hAPPEx16_1 GCAATCATTGGACTCATGGT 19
ACCAUGAGUCCAAUGAUUGC 20 AD hAPPEx16_2 GATCGTCATCACCTTGGTGA 21
UCACCAAGGUGAUGACGAUC 22 AD hAPPEx16_3 GTACACATCCATTCATCATGGTG 23
CACCAUGAUGAAUGGAUGUGUAC 24 AD hAPPEx16_4 GCAGAAGATGTGGGTTCAAAC 25
GUUUGAACCCACAUCUUCUGC 26 AD hAPPEx16_5 GGTGATGCTGAAGAAGAAACAG 27
CUGUUUCUUCUUCAGCAUCACC 28 AD hAPPEx16_6 TCATCATGGTGTGGTGGAGGTAG 29
CUACCUCCACCACACCAUGAUGA 30 DRPLA hATN1Ex5_1 CTCCCTCGGCCACAGTCTCCCT
31 AGGGAGACUGUGGCCGAGGGAG 32 DRPLA hATN1Ex5_2
GCGGAGCCTTAATGATGATGGC 33 GCCAUCAUCAUUAAGGCUCCGC 34 DRPLA
hATN1Ex5_3 AGCAGCGACCCTAGGGATATCG 35 CGAUAUCCCUAGGGUCGCUGCU 36
DRPLA hATN1Ex5_4 AGGACAACCGAAGCACGTCCC 37 GGGACGUGCUUCGGUUGUCCU 38
DRPLA hATN1Ex5_5 TGGAAGTGTGGAGAATGACTCTG 39 CAGAGUCAUUCUCCACACUUCCA
40 DRPLA hATN1Ex5_6 ATCTTCTGGCCTGTCCCAGGGC 41
GCCCUGGGACAGGCCAGAAGAU 42 DRPLA hATN1Ex5_7 CGACAGCCAGAGGCTAGCTTTGA
43 UCAAAGCUAGCCUCUGGCUGUCG 44 DRPLA hATN1Ex5_8
CTCGAATGTTCCAGGCTCCTCC 45 GGAGGAGCCUGGAACAUUCGAG 46 DRPLA
hATN1Ex5_9 TCTATCCTGGGGGCACTGGTGG 47 CCACCAGUGCCCCCAGGAUAGA 48
DRPLA hATN1Ex5_10 TGGACCCCCAATGGGTCCCAAG 49 CUUGGGACCCAUUGGGGGUCCA
50 DRPLA hATN1Ex5_11 AGGGGCTGCCTCATCAGTGG 51 CCACUGAUGAGGCAGCCCCU
52 DRPLA hATN1Ex5_12 AAGCTCTGGGGCTAGTGGTGCTC 53
GAGCACCACUAGCCCCAGAGCUU 54 DRPLA hATN1Ex5_13 ACAAAGCCGCCTACCACTCCAG
55 CUGGAGUGGUAGGCGGCUUUGU 56 DRPLA hATN1Ex5_14
CTCCACCACCAGCCAACTTCC 57 GGAAGUUGGCUGGUGGUGGAG 58 DRPLA hATN1Ex5_15
CCAACCACTACCTGGTCATCTG 59 CAGAUGACCAGGUAGUGGUUGG 60 DRPLA
hATN1Ex5_16 TGGCCCAGAGAAGGGCCCAAC 61 GUUGGGCCCUUCUCUGGGCCA 62 DRPLA
hATN1Ex5_17 TTCCTCTTCTGCTCCAGCGCC 63 GGCGCUGGAGCAGAAGAGGAA 64 DRPLA
hATN1Ex5_18 GTTTCCTTATTCATCCTCTAG 65 CUAGAGGAUGAAUAAGGAAAC 66 DRPLA
hATN1Ex5_19 GCCTCTCTGTCTCCAATCAGC 67 GCUGAUUGGAGACAGAGAGGC 68 DRPLA
hATN1Ex5_20 CCATCCCAGGCTGTGTGGAG 69 CUCCACACAGCCUGGGAUGG 70 DRPLA
hATN1Ex5_21 TCTACTGGGGCCCAGTCCACCG 71 CGGUGGACUGGGCCCCAGUAGA 72
DRPLA hATN1Ex5_22 GCATCACGGAAACTCTGGGCC 73 GGCCCAGAGUUUCCGUGAUGC 74
DRPLA hATN1Ex5_23 CCACTGGAGGGCGGTAGCTCC 75 GGAGCUACCGCCCUCCAGUGG 76
DRPLA hATN1Ex5_24 CTCCCTGGGGTCTCTGAGGCC 77 GGCCUCAGAGACCCCAGGGAG 78
DRPLA hATN1Ex5_25 CACCAGGGCCAGCACACCTGC 79 GCAGGUGUGCUGGCCCUGGUG 80
DRPLA hATN1Ex5_26 GTGTCCTACAGCCAAGCAGGCC 81 GGCCUGCUUGGCUGUAGGACAC
82 DRPLA hATN1Ex5_27 CAAGGGTCCTACCCATGTTCAC 83
GUGAACAUGGGUAGGACCCUUG 84 DRPLA hATN1Ex5_28 CACCGGTGCCTACGGTCACCAC
85 GUGGUGACCGUAGGCACCGGUG 86 DRPLA hATN1Ex5_29
CTCTTCGGCTACCCTTTCCAC 87 GUGGAAAGGGUAGCCGAAGAG 88 DRPLA hATN1Ex5_30
GGTCATTGCCACCGTGGCTTC 89 GAAGCCACGGUGGCAAUGACC 90 DRPLA hATN1Ex5_31
CCACCGTACGGAAAGAGAGCC 91 GGCUCUCUUUCCGUACGGUGG 92 DRPLA hATN1Ex5_32
CCACCGGGCTATCGAGGAACCTC 93 GAGGUUCCUCGAUAGCCCGGUGG 94 DRPLA
hATN1Ex5_33 CAGGCCCAGGGACCTTCAAGCC 95 GGCUUGAAGGUCCCUGGGCCUG 96
DRPLA hATN1Ex5_34 CCACCGTGGGACCTGGGCCCCTG 97
CAGGGGCCCAGGUCCCACGGUGG 98 DRPLA hATN1Ex5_35 GCCACCTGCGGGGCCCTCAGGC
99 GCCUGAGGGCCCCGCAGGUGGC 100 DRPLA hATN1Ex5_36
CCATCGCTGCCACCACCACCT 101 AGGUGGUGGUGGCAGCGAUGG 102 DRPLA
hATN1Ex5_37 CCTGCCTCAGGGCCGCCCCTG 103 CAGGGGCGGCCCUGAGGCAGG 104
DRPLA hATN1Ex5_38 GCCGGCTGAGGAGTATGAGACC 105 GGUCUCAUACUCCUCAGCCGGC
106 DRPLA hATN1Ex5_39 CCAAGGTGGTAGATGTACCCA 107
UGGGUACAUCUACCACCUUGG 108 DRPLA hATN1Ex5_40 GCCATGCCAGTCAGTCTGCCAG
109 CUGGCAGACUGACUGGCAUGGC 110 DRPLA hATN1Ex6_1
CCTGGATCGCGGCTTCAACTC 111 GAGUUGAAGCCGCGAUCCAGG 112 DRPLA
hATN1Ex6_2 CCTGTACTTCGTGCCACTGGAGG 113 CCUCCAGUGGCACGAAGUACAGG 114
DRPLA hATN1Ex6_3 GACCTGGTGGAGAAGGTGCGGCG 115
CGCCGCACCUUCUCCACCAGGUC 116 DRPLA hATN1Ex6_4
CGCGAAGAAAAGGAGCGCGAGCG 117 CGCUCGCGCUCCUUUUCUUCGCG 118 DRPLA
hATN1Ex6_5 GCGAGCGGGAACGCGAGAAAG 119 CUUUCUCGCGUUCCCGCUCGC 120
DRPLA hATN1Ex6_6 GCGAGAAGGAGCGCGAGCTTG 121 CAAGCUCGCGCUCCUUCUCGC
122 S CA3 hATXN3Ex7_1 TTGTCGTTAAGGGTGATCTGC 123
GCAGAUCACCCUUAACGACAA 124 S CA3 hATXN3Ex7_2 CTGCCAGATTGCGAAGCTGA
125 UCAGCUUCGCAAUCUGGCAG 126 S CA3 hATXN3Ex7_3
GACCAACTCCTGCAGATGATT 127 AAUCAUCUGCAGGAGUUGGUC 128 S CA3
hATXN3Ex7_4 GGTCCAACAGATGCATCGAC 129 GUCGAUGCAUCUGUUGGACC 130 S CA3
hATXN3Ex7_5 GCACAACTAAAAGAGCAAAG 131 CUUUGCUCUUUUAGUUGUGC 132 S CA3
hATXN3Ex8_1 GTTAGAAGCAAATGATGGCTC 133 GAGCCAUCAUUUGCUUCUAAC 134 S
CA3 hATXN3Ex8_2 CTCAGGAATGTTAGACGAAG 135 CUUCGUCUAACAUUCCUGAG 136 S
CA3 hATXN3Ex8_3 GAGGAGGATTTGCAGAGGGC 137 GCCCUCUGCAAAUCCUCCUC 138 S
CA3 hATXN3Ex8_4 GAGGAAGCAGATCTCCGCAG 139 CUGCGGAGAUCUGCUUCCUC 140 S
CA3 hATXN3Ex8_5 GGCTATTCAGCTAAGTATGCAAG 141 CUUGCAUACUUAGCUGAAUAGCC
142 S CA3 hATXN3Ex9_1 GGTAGTTCCAGAAACATATCTC 143
GAGAUAUGUUUCUGGAACUACC 144 S CA3 hATXN3Ex9_2 GCTTCGGAAGAGACGAGAAGC
145 GCUUCUCGUCUCUUCCGAAGC 146 S CA3 hATXN3Ex10_1
CAGCAGCAAAAGCAGCAACAGC 147 GCUGUUGCUGCUUUUGCUGCUG 148 S CA3
hATXN3Ex10_2 GACCTATCAGGACAGAGTTC 149 GAACUCUGUCCUGAUAGGUC 150 S
CA7 hATXN7Ex3_1 GAGCGGAAAGAATGTCGGAGC 151 GCUCCGACAUUCUUUCCGCUC 152
S CA7 hATXN7Ex3_2 AGCGGGCCGCGGATGACGTCA 153 UGACGUCAUCCGCGGCCCGCU
154 S CA7 hATXN7Ex3_3 AGCAGCCGCCGCCTCCGCAG 155 CUGCGGAGGCGGCGGCUGCU
156 S CA7 hATXN7Ex3_4 ACACGGCCGGAGGACGGCG 157 CGCCGUCCUCCGGCCGUGU
158 S CA7 hATXN7Ex3_5 GCGCCGCCTCCACCTCGGCCG 159
CGGCCGAGGUGGAGGCGGCGC 160 S CA7 hATXN7Ex3_6 ACCTCGGCCGCCGCAATGGCGA
161 UCGCCAUUGCGGCGGCCGAGGU 162 S CA7 hATXN7Ex3_7
GGCCTCTGCCCAGTCCTGAAGT 163 ACUUCAGGACUGGGCAGAGGCC 164 S CA7
hATXN7Ex3_8 TGATGCTGGGACAGTCGTGGAAT 165 AUUCCACGACUGUCCCAGCAUCA 166
S CA7 hATXN7Ex3_9 AGGCTTCCAAACTTCCTGGGAAG 167
CUUCCCAGGAAGUUUGGAAGCCU 168 HD hHTTEx12_1
CATCAGCGACAGCTCCCAGACCACCACCG 169 CGGUGGUGGUCUGGGAGCUGUCGCUGAUG 170
HD hHTTEx12_2 TCACAGCACACACTGCAGGC 171 GCCUGCAGUGUGUGCUGUGA 172 HD
hHTTEx12_3 GGTCAGCAGGTCATGACATCAT 173 AUGAUGUCAUGACCUGCUGACC 174 HD
hHTTEx12_4 AGAGCTGGCTGCTTCTTCAG 175 CUGAAGAAGCAGCCAGCUCU 176 HD
hHTTEx12_5 GATGAGGAGGATATCTTGAG 177 CUCAAGAUAUCCUCCUCAUC 178 HD
hHTTEx12_6 TCAGTGAAGGATGAGATCAGTGG 179 CCACUGAUCUCAUCCUUCACUGA 180
HD hHTTEx12_7 ATGGACCTGAATGATGGGAC 181 GUCCCAUCAUUCAGGUCCAU 182 HD
hHTTEx12_8 TGACAAGCTCTGCCACTGAT 183 AUCAGUGGCAGAGCUUGUCA 184 HD
hHTTEx12_9 TCCAGCCAGGTCAGCGCCGT 185 ACGGCGCUGACCUGGCUGGA 186 HD
hHTTEx12_10 ACTCAGTGGATCTGGCCAGCT 187 AGCUGGCCAGAUCCACUGAGU 188 HD
hHTTEx13_1 CCTGCAGATTGGACAGCC 189 GGCUGUCCAAUCUGCAGG 190 HD
hHTTEx13_2 GGTACCGACAACCAGTATTT 191 AAAUACUGGUUGUCGGUACC 192 HD
hHTTEx14_1 AACATGAGTCACTGCAGGCAG 193 CUGCCUGCAGUGACUCAUGUU 194 HD
hHTTEx14_2 GCCTTCTGACAGCAGTGTTGAT 195 AUCAACACUGCUGUCAGAAGGC 196 HD
hHTTEx14_3 GTTGAGAGATGAAGCTACTG 197 CAGUAGCUUCAUCUCUCAAC 198 SCA17
hTBPEx3_1: GCCATGACTCCCGGAATCCCTA 199 UAGGGAUUCCGGGAGUCAUGGC 200
SCA17 hTBPEx3_2: CCTATCTTTAGTCCAATGATGC 201 GCAUCAUUGGACUAAAGAUAGG
202 SCA17 hTBPEx3_3: TATGGCACTGGACTGACCCCAC 203
GUGGGGUCAGUCCAGUGCCAUA 204 SCA17 hTBPEx3_4: GCAGCTGCAGCCGTTCAGCAG
205 CUGCUGAACGGCUGCAGCUGC 206 SCA17 hTBPEx3_5:
GTTCAGCAGTCAACGTCCCAGC 207 GCUGGGACGUUGACUGCUGAAC 208 SCA17
hTBPEx3_6: AACCTCAGGCCAGGCACCACAG 209 CUGUGGUGCCUGGCCUGAGGUU 210
SCA17 hTBPEx3_7: GCACCACAGCTCTTCCACTCA 211 UGAGUGGAAGAGCUGUGGUGC
212 SCA17 hTBPEx3_8: CTCACAGACTCTCACAACTGC 213
GCAGUUGUGAGAGUCUGUGAG 214 SCA17 hTBPEx3_9: GGCACCACTCCACTGTATCCCT
215 AGGGAUACAGUGGAGUGGUGCC 216 SCA17 hTBPEx3_10:
CATCACTCCTGCCACGCCAGCT 217 AGCUGGCGUGGCAGGAGUGAUG 218 SCA17
hTBPEx3_11: AGAGTTCTGGGATTGTACCGCA 219 UGCGGUACAAUCCCAGAACUCU 220
SCA17 hTBPEx4_1: TGTATCCACAGTGAATCTTGGT 221 ACCAAGAUUCACUGUGGAUACA
222 SCA17 hTBPEx4_2: GGTTGTAAACTTGACCTAAAG 223
CUUUAGGUCAAGUUUACAACC 224 SCA17 hTBPEx4_3: CATTGCACTTCGTGCCCGAAACG
225 CGUUUCGGGCACGAAGUGCAAUG 226
Sequence CWU 1
1
234129RNAArtificialAON HDEx12_1 1cggugguggu cugggagcug ucgcugaug
29219RNAArtificialAON HDEx12_2 2ucacagcaca cacugcagg
19328RNAArtificialAON HDEx13_1 3guuccugaag gccuccgagg cuucauca
28425RNAArtificialAON HDEx13_2 4gguccuacuu cuacuccuuc ggugu
25520RNAArtificialAON DRPLAEx5_18 5gucgcugcug ccaucaucau
20620RNAArtificialAON DRPLAEx5_128 6aagaggaagc aggaggcaga
20720RNAArtificialAON DRPLAEx5_81 7ggaggagccu ggaacauucg
20820RNAArtificialAON DRPLAEx6_80 8aagcucgcgc uccuucucgc
20920RNAArtificialAON DRPLAEx6_1 9cgaguugaag ccgcgaucca
201020RNAArtificialAON DRPLAEx6_84 10guucaagcuc gcgcuccuuc
201123DNAArtificialtarget hAPPEx15_1 11gttctgggtt gacaaatatc aag
231223RNAArtificialAON hAPPEx15_1 12cuugauauuu gucaacccag aac
231323DNAArtificialtarget hAPPEx15_2 13cggaggagat ctctgaagtg aag
231423RNAArtificialAON hAPPEx15_2 14cuucacuuca gagaucuccu ccg
231521DNAArtificialtarget hAPPEx15_3 15gatgcagaat tccgacatga c
211621RNAArtificialAON hAPPEx15_3 16gucaugucgg aauucugcau c
211723DNAArtificialtarget hAPPEx15_4 17ctcaggatat gaagttcatc atc
231823RNAArtificialAON hAPPEx15_4 18gaugaugaac uucauauccu gag
231920DNAArtificialtarget hAPPEx16_1 19gcaatcattg gactcatggt
202020RNAArtificialAON hAPPEx16_1 20accaugaguc caaugauugc
202120DNAArtificialtarget hAPPEx16_2 21gatcgtcatc accttggtga
202220RNAArtificialAON hAPPEx16_2 22ucaccaaggu gaugacgauc
202323DNAArtificialtarget hAPPEx16_3 23gtacacatcc attcatcatg gtg
232423RNAArtificialAON hAPPEx16_3 24caccaugaug aauggaugug uac
232521DNAArtificialtarget hAPPEx16_4 25gcagaagatg tgggttcaaa c
212621RNAArtificialAON hAPPEx16_4 26guuugaaccc acaucuucug c
212722DNAArtificialtarget hAPPEx16_5 27ggtgatgctg aagaagaaac ag
222822RNAArtificialAON hAPPEx16_5 28cuguuucuuc uucagcauca cc
222923DNAArtificialtarget hAPPEx16_6 29tcatcatggt gtggtggagg tag
233023RNAArtificialAON hAPPEx16_6 30cuaccuccac cacaccauga uga
233122DNAArtificialtarget hATN1Ex5_1 31ctccctcggc cacagtctcc ct
223222RNAArtificialAON hATN1Ex5_1 32agggagacug uggccgaggg ag
223322DNAArtificialtarget hATN1Ex5_2 33gcggagcctt aatgatgatg gc
223422RNAArtificialAON hATN1Ex5_2 34gccaucauca uuaaggcucc gc
223522DNAArtificialtarget hATN1Ex5_3 35agcagcgacc ctagggatat cg
223622RNAArtificialAON hATN1Ex5_3 36cgauaucccu agggucgcug cu
223721DNAArtificialtarget hATN1Ex5_4 37aggacaaccg aagcacgtcc c
213821RNAArtificialAON hATN1Ex5_4 38gggacgugcu ucgguugucc u
213923DNAArtificialtarget hATN1Ex5_5 39tggaagtgtg gagaatgact ctg
234023RNAArtificialAON hATN1Ex5_5 40cagagucauu cuccacacuu cca
234122DNAArtificialtarget hATN1Ex5_6 41atcttctggc ctgtcccagg gc
224222RNAArtificialAON hATN1Ex5_6 42gcccugggac aggccagaag au
224323DNAArtificialtarget hATN1Ex5_7 43cgacagccag aggctagctt tga
234423RNAArtificialAON hATN1Ex5_7 44ucaaagcuag ccucuggcug ucg
234522DNAArtificialtarget hATN1Ex5_8 45ctcgaatgtt ccaggctcct cc
224622RNAArtificialAON hATN1Ex5_8 46ggaggagccu ggaacauucg ag
224722DNAArtificialtarget hATN1Ex5_9 47tctatcctgg gggcactggt gg
224822RNAArtificialAON hATN1Ex5_9 48ccaccagugc ccccaggaua ga
224922DNAArtificialtarget hATN1Ex5_10 49tggaccccca atgggtccca ag
225022RNAArtificialAON hATN1Ex5_10 50cuugggaccc auuggggguc ca
225120DNAArtificialtarget hATN1Ex5_11 51aggggctgcc tcatcagtgg
205220RNAArtificialAON hATN1Ex5_11 52ccacugauga ggcagccccu
205323DNAArtificialtarget hATN1Ex5_12 53aagctctggg gctagtggtg ctc
235423RNAArtificialAON hATN1Ex5_12 54gagcaccacu agccccagag cuu
235522DNAArtificialtarget hATN1Ex5_13 55acaaagccgc ctaccactcc ag
225622RNAArtificialAON hATN1Ex5_13 56cuggaguggu aggcggcuuu gu
225721DNAArtificialtarget hATN1Ex5_14 57ctccaccacc agccaacttc c
215821RNAArtificialAON hATN1Ex5_14 58ggaaguuggc ugguggugga g
215922DNAArtificialtarget hATN1Ex5_15 59ccaaccacta cctggtcatc tg
226022RNAArtificialAON hATN1Ex5_15 60cagaugacca gguagugguu gg
226121DNAArtificialtarget hATN1Ex5_16 61tggcccagag aagggcccaa c
216221RNAArtificialAON hATN1Ex5_16 62guugggcccu ucucugggcc a
216321DNAArtificialtarget hATN1Ex5_17 63ttcctcttct gctccagcgc c
216421RNAArtificialAON hATN1Ex5_17 64ggcgcuggag cagaagagga a
216521DNAArtificialtarget hATN1Ex5_18 65gtttccttat tcatcctcta g
216621RNAArtificialAON hATN1Ex5_18 66cuagaggaug aauaaggaaa c
216721DNAArtificialtarget hATN1Ex5_19 67gcctctctgt ctccaatcag c
216821RNAArtificialAON hATN1Ex5_19 68gcugauugga gacagagagg c
216920DNAArtificialtarget hATN1Ex5_20 69ccatcccagg ctgtgtggag
207020RNAArtificialAON hATN1Ex5_20 70cuccacacag ccugggaugg
207122DNAArtificialtarget hATN1Ex5_21 71tctactgggg cccagtccac cg
227222RNAArtificialAON hATN1Ex5_21 72cgguggacug ggccccagua ga
227321DNAArtificialtarget hATN1Ex5_22 73gcatcacgga aactctgggc c
217421RNAArtificialAON hATN1Ex5_22 74ggcccagagu uuccgugaug c
217521DNAArtificialtarget hATN1Ex5_23 75ccactggagg gcggtagctc c
217621RNAArtificialAON hATN1Ex5_23 76ggagcuaccg cccuccagug g
217721DNAArtificialtarget hATN1Ex5_24 77ctccctgggg tctctgaggc c
217821RNAArtificialAON hATN1Ex5_24 78ggccucagag accccaggga g
217921DNAArtificialtarget hATN1Ex5_25 79caccagggcc agcacacctg c
218021RNAArtificialAON hATN1Ex5_25 80gcaggugugc uggcccuggu g
218122DNAArtificialtarget hATN1Ex5_26 81gtgtcctaca gccaagcagg cc
228222RNAArtificialAON hATN1Ex5_26 82ggccugcuug gcuguaggac ac
228322DNAArtificialtarget hATN1Ex5_27 83caagggtcct acccatgttc ac
228422RNAArtificialAON hATN1Ex5_27 84gugaacaugg guaggacccu ug
228522DNAArtificialtarget hATN1Ex5_28 85caccggtgcc tacggtcacc ac
228622RNAArtificialAON hATN1Ex5_28 86guggugaccg uaggcaccgg ug
228721DNAArtificialtarget hATN1Ex5_29 87ctcttcggct accctttcca c
218821RNAArtificialAON hATN1Ex5_29 88guggaaaggg uagccgaaga g
218921DNAArtificialtarget hATN1Ex5_30 89ggtcattgcc accgtggctt c
219021RNAArtificialAON hATN1Ex5_30 90gaagccacgg uggcaaugac c
219121DNAArtificialtarget hATN1Ex5_31 91ccaccgtacg gaaagagagc c
219221RNAArtificialAON hATN1Ex5_31 92ggcucucuuu ccguacggug g
219323DNAArtificialtarget hATN1Ex5_32 93ccaccgggct atcgaggaac ctc
239423RNAArtificialAON hATN1Ex5_32 94gagguuccuc gauagcccgg ugg
239522DNAArtificialtarget hATN1Ex5_33 95caggcccagg gaccttcaag cc
229622RNAArtificialAON hATN1Ex5_33 96ggcuugaagg ucccugggcc ug
229723DNAArtificialtarget hATN1Ex5_34 97ccaccgtggg acctgggccc ctg
239823RNAArtificialAON hATN1Ex5_34 98caggggccca ggucccacgg ugg
239922DNAArtificialtarget hATN1Ex5_35 99gccacctgcg gggccctcag gc
2210022RNAArtificialAON hATN1Ex5_35 100gccugagggc cccgcaggug gc
2210121DNAArtificialtarget hATN1Ex5_36 101ccatcgctgc caccaccacc t
2110221RNAArtificialAON hATN1Ex5_36 102aggugguggu ggcagcgaug g
2110321DNAArtificialtarget hATN1Ex5_37 103cctgcctcag ggccgcccct g
2110421RNAArtificialAON hATN1Ex5_37 104caggggcggc ccugaggcag g
2110522DNAArtificialtarget hATN1Ex5_38 105gccggctgag gagtatgaga cc
2210622RNAArtificialAON hATN1Ex5_38 106ggucucauac uccucagccg gc
2210721DNAArtificialtarget hATN1Ex5_39 107ccaaggtggt agatgtaccc a
2110821RNAArtificialAON hATN1Ex5_ 108uggguacauc uaccaccuug g
2110922DNAArtificialtarget hATN1Ex5_40 109gccatgccag tcagtctgcc ag
2211022RNAArtificialAON hATN1Ex5_40 110cuggcagacu gacuggcaug gc
2211121DNAArtificialtarget hATN1Ex6_1 111cctggatcgc ggcttcaact c
2111221RNAArtificialAON hATN1Ex6_1 112gaguugaagc cgcgauccag g
2111323DNAArtificialtarget hATN1Ex6_2 113cctgtacttc gtgccactgg agg
2311423RNAArtificialAON hATN1Ex6_2 114ccuccagugg cacgaaguac agg
2311523DNAArtificialtarget hATN1Ex6_3 115gacctggtgg agaaggtgcg gcg
2311623RNAArtificialAON hATN1Ex6_3 116cgccgcaccu ucuccaccag guc
2311723DNAArtificialtarget hATN1Ex6_4 117cgcgaagaaa aggagcgcga gcg
2311823RNAArtificialAON hATN1Ex6_4 118cgcucgcgcu ccuuuucuuc gcg
2311921DNAArtificialtarget hATN1Ex6_5 119gcgagcggga acgcgagaaa g
2112021RNAArtificialAON hATN1Ex6_5 120cuuucucgcg uucccgcucg c
2112121DNAArtificialtarget hATN1Ex6_6 121gcgagaagga gcgcgagctt g
2112221RNAArtificialAON hATN1Ex6_6 122caagcucgcg cuccuucucg c
2112321DNAArtificialtarget hATXN3Ex7_1 123ttgtcgttaa gggtgatctg c
2112421RNAArtificialAON hATXN3Ex7_1 124gcagaucacc cuuaacgaca a
2112520DNAArtificialtarget hATXN3Ex7_2 125ctgccagatt gcgaagctga
2012620RNAArtificialAON hATXN3Ex7_2 126ucagcuucgc aaucuggcag
2012721DNAArtificialtarget hATXN3Ex7_3 127gaccaactcc tgcagatgat t
2112821RNAArtificialAON hATXN3Ex7_3 128aaucaucugc aggaguuggu c
2112920DNAArtificialtarget hATXN3Ex7_4 129ggtccaacag atgcatcgac
2013020RNAArtificialAON hATXN3Ex7_4 130gucgaugcau cuguuggacc
2013120DNAArtificialtarget hATXN3Ex7_5 131gcacaactaa aagagcaaag
2013220RNAArtificialAON hATXN3Ex7_5 132cuuugcucuu uuaguugugc
2013321DNAArtificialtarget hATXN3Ex8_1 133gttagaagca aatgatggct c
2113421RNAArtificialAON hATXN3Ex8_1 134gagccaucau uugcuucuaa c
2113520DNAArtificialtarget hATXN3Ex8_2 135ctcaggaatg ttagacgaag
2013620RNAArtificialAON hATXN3Ex8_2 136cuucgucuaa cauuccugag
2013720DNAArtificialtarget hATXN3Ex8_3 137gaggaggatt tgcagagggc
2013820RNAArtificialAON hATXN3Ex8_3 138gcccucugca aauccuccuc
2013920DNAArtificialtarget hATXN3Ex8_4 139gaggaagcag atctccgcag
2014020RNAArtificialAON hATXN3Ex8_4 140cugcggagau cugcuuccuc
2014123DNAArtificialtarget hATXN3Ex8_5 141ggctattcag ctaagtatgc aag
2314223RNAArtificialAON hATXN3Ex8_5 142cuugcauacu uagcugaaua gcc
2314322DNAArtificialtarget hATXN3Ex9_1 143ggtagttcca gaaacatatc tc
2214422RNAArtificialAON hATXN3Ex9_1 144gagauauguu ucuggaacua cc
2214521DNAArtificialtarget hATXN3Ex9_2 145gcttcggaag agacgagaag c
2114621RNAArtificialAON hATXN3Ex9_2 146gcuucucguc ucuuccgaag c
2114722DNAArtificialtarget hATXN3Ex10_1 147cagcagcaaa agcagcaaca gc
2214822RNAArtificialAON hATXN3Ex10_1 148gcuguugcug cuuuugcugc ug
2214920DNAArtificialtarget hATXN3Ex10_2 149gacctatcag gacagagttc
2015020RNAArtificialAON hATXN3Ex10_2 150gaacucuguc cugauagguc
2015121DNAArtificialtarget hATXN7Ex3_1 151gagcggaaag aatgtcggag c
2115221RNAArtificialAON hATXN7Ex3_1 152gcuccgacau ucuuuccgcu c
2115321DNAArtificialtarget hATXN7Ex3_2 153agcgggccgc ggatgacgtc a
2115421RNAArtificialAON hATXN7Ex3_2 154ugacgucauc cgcggcccgc u
2115520DNAArtificialtarget hATXN7Ex3_3 155agcagccgcc gcctccgcag
2015620RNAArtificialAON hATXN7Ex3_3 156cugcggaggc ggcggcugcu
2015719DNAArtificialtarget hATXN7Ex3_4 157acacggccgg aggacggcg
1915819RNAArtificialAON hATXN7Ex3_4 158cgccguccuc cggccgugu
1915921DNAArtificialtarget hATXN7Ex3_5 159gcgccgcctc cacctcggcc g
2116021RNAArtificialAON hATXN7Ex3_5 160cggccgaggu ggaggcggcg c
2116122DNAArtificialtarget hATXN7Ex3_6 161acctcggccg ccgcaatggc ga
2216222RNAArtificialAON hATXN7Ex3_6 162ucgccauugc ggcggccgag gu
2216322DNAArtificialtarget hATXN7Ex3_7 163ggcctctgcc cagtcctgaa gt
2216422RNAArtificialAON hATXN7Ex3_7 164acuucaggac ugggcagagg cc
2216523DNAArtificialtarget hATXN7Ex3_8 165tgatgctggg acagtcgtgg aat
2316623RNAArtificialAON hATXN7Ex3_8 166auuccacgac ugucccagca uca
2316723DNAArtificialtarget hATXN7Ex3_9 167aggcttccaa acttcctggg
aag
2316823RNAArtificialAON hATXN7Ex3_9 168cuucccagga aguuuggaag ccu
2316929DNAArtificialtarget hHTTEx12_1 169catcagcgac agctcccaga
ccaccaccg 2917029RNAArtificialAON hHTTEx12_1 170cggugguggu
cugggagcug ucgcugaug 2917120DNAArtificialtarget hHTTEx12_2
171tcacagcaca cactgcaggc 2017220RNAArtificialAON hHTTEx12_2
172gccugcagug ugugcuguga 2017322DNAArtificialtarget hHTTEx12_3
173ggtcagcagg tcatgacatc at 2217422RNAArtificialAON hHTTEx12_3
174augaugucau gaccugcuga cc 2217520DNAArtificialtarget hHTTEx12_4
175agagctggct gcttcttcag 2017620RNAArtificialAON hHTTEx12_4
176cugaagaagc agccagcucu 2017720DNAArtificialtarget hHTTEx12_5
177gatgaggagg atatcttgag 2017820RNAArtificialAON hHTTEx12_5
178cucaagauau ccuccucauc 2017923DNAArtificialtarget hHTTEx12_6
179tcagtgaagg atgagatcag tgg 2318023RNAArtificialAON hHTTEx12_6
180ccacugaucu cauccuucac uga 2318120DNAArtificialtarget hHTTEx12_7
181atggacctga atgatgggac 2018220RNAArtificialAON hHTTEx12_7
182gucccaucau ucagguccau 2018320DNAArtificialtarget hHTTEx12_8
183tgacaagctc tgccactgat 2018420RNAArtificialAON hHTTEx12_8
184aucaguggca gagcuuguca 2018520DNAArtificialtarget hHTTEx12_9
185tccagccagg tcagcgccgt 2018620RNAArtificialAON hHTTEx12_9
186acggcgcuga ccuggcugga 2018721DNAArtificialtarget hHTTEx12_10
187actcagtgga tctggccagc t 2118821RNAArtificialAON hHTTEx12_10
188agcuggccag auccacugag u 2118918DNAArtificialtarget hHTTEx13_1
189cctgcagatt ggacagcc 1819018RNAArtificialAON hHTTEx13_1
190ggcuguccaa ucugcagg 1819120DNAArtificialtarget hHTTEx13_2
191ggtaccgaca accagtattt 2019220RNAArtificialAON hHTTEx13_2
192aaauacuggu ugucgguacc 2019321DNAArtificialtarget hHTTEx14_1
193aacatgagtc actgcaggca g 2119421RNAArtificialAON hHTTEx14_1
194cugccugcag ugacucaugu u 2119522DNAArtificialtarget hHTTEx14_2
195gccttctgac agcagtgttg at 2219622RNAArtificialAON hHTTEx14_2
196aucaacacug cugucagaag gc 2219720DNAArtificialtarget hHTTEx14_3
197gttgagagat gaagctactg 2019820RNAArtificialAON hHTTEx14_3
198caguagcuuc aucucucaac 2019922DNAArtificialtarget hTBPEx3_1
199gccatgactc ccggaatccc ta 2220022RNAArtificialAON hTBPEx3_1
200uagggauucc gggagucaug gc 2220122DNAArtificialtarget hTBPEx3_2
201cctatcttta gtccaatgat gc 2220222RNAArtificialAON hTBPEx3_2
202gcaucauugg acuaaagaua gg 2220322DNAArtificialtarget hTBPEx3_3
203tatggcactg gactgacccc ac 2220422RNAArtificialAON hTBPEx3_3
204guggggucag uccagugcca ua 2220521DNAArtificialtarget hTBPEx3_4
205gcagctgcag ccgttcagca g 2120621RNAArtificialAON hTBPEx3_4
206cugcugaacg gcugcagcug c 2120722DNAArtificialtarget hTBPEx3_5
207gttcagcagt caacgtccca gc 2220822RNAArtificialAON hTBPEx3_5
208gcugggacgu ugacugcuga ac 2220922DNAArtificialtarget hTBPEx3_6
209aacctcaggc caggcaccac ag 2221022RNAArtificialAON hTBPEx3_6
210cuguggugcc uggccugagg uu 2221121DNAArtificialtarget hTBPEx3_7
211gcaccacagc tcttccactc a 2121221RNAArtificialAON hTBPEx3_7
212ugaguggaag agcuguggug c 2121321DNAArtificialtarget hTBPEx3_8
213ctcacagact ctcacaactg c 2121421RNAArtificialAON hTBPEx3_8
214gcaguuguga gagucuguga g 2121522DNAArtificialtarget hTBPEx3_9
215ggcaccactc cactgtatcc ct 2221622RNAArtificialAON hTBPEx3_9
216agggauacag uggaguggug cc 2221722DNAArtificialtarget hTBPEx3_10
217catcactcct gccacgccag ct 2221822RNAArtificialAON hTBPEx3_10
218agcuggcgug gcaggaguga ug 2221922DNAArtificialtarget hTBPEx3_11
219agagttctgg gattgtaccg ca 2222022RNAArtificialAON hTBPEx3_11
220ugcgguacaa ucccagaacu cu 2222122DNAArtificialtarget hTBPEx4_1
221tgtatccaca gtgaatcttg gt 2222222RNAArtificialAON hTBPEx4_1
222accaagauuc acuguggaua ca 2222321DNAArtificialtarget hTBPEx4_2
223ggttgtaaac ttgacctaaa g 2122421RNAArtificialAON hTBPEx4_2
224cuuuagguca aguuuacaac c 2122523DNAArtificialtarget hTBPEx4_3
225cattgcactt cgtgcccgaa acg 2322623RNAArtificialAON hTBPEx4_3
226cguuucgggc acgaagugca aug 23227240PRTHomo sapiens 227Ser Ile Val
Glu Leu Ile Ala Gly Gly Gly Ser Ser Cys Ser Pro Val1 5 10 15Leu Ser
Arg Lys Gln Lys Gly Lys Val Leu Leu Gly Glu Glu Glu Ala 20 25 30Leu
Glu Asp Asp Ser Glu Ser Arg Ser Asp Val Ser Ser Ser Ala Leu 35 40
45Thr Ala Ser Val Lys Asp Glu Ile Ser Gly Glu Leu Ala Ala Ser Ser
50 55 60Gly Val Ser Thr Pro Gly Ser Ala Gly His Asp Ile Ile Thr Glu
Gln65 70 75 80Pro Arg Ser Gln His Thr Leu Gln Ala Asp Ser Val Asp
Leu Ala Ser 85 90 95Cys Asp Leu Thr Ser Ser Ala Thr Asp Gly Asp Glu
Glu Asp Ile Leu 100 105 110Ser His Ser Ser Ser Gln Val Ser Ala Val
Pro Ser Asp Pro Ala Met 115 120 125Asp Leu Asn Asp Gly Thr Gln Ala
Ser Ser Pro Ile Ser Asp Ser Ser 130 135 140Gln Thr Thr Thr Glu Gly
Pro Asp Ser Ala Val Thr Pro Ser Asp Ser145 150 155 160Ser Glu Ile
Val Leu Asp Gly Thr Asp Asn Gln Tyr Leu Gly Leu Gln 165 170 175Ile
Gly Gln Pro Gln Asp Glu Asp Glu Glu Ala Thr Gly Ile Leu Pro 180 185
190Asp Glu Ala Ser Glu Ala Phe Arg Asn Ser Ser Met Ala Leu Gln Gln
195 200 205Ala His Leu Leu Lys Asn Met Ser His Cys Arg Gln Pro Ser
Asp Ser 210 215 220Ser Val Asp Lys Phe Val Leu Arg Asp Glu Ala Thr
Glu Pro Gly Asp225 230 235 24022816DNAHomo sapiens 228cagccaggtc
agcgcc 1622916DNAArtificialskipped PCR product of HDEx12_1
229cagccaggtg ttagac 16230172PRTHomo sapiensDOMAIN(49)..(52)caspase
cleavage motifDOMAIN(88)..(91)caspase cleavage
motifDOMAIN(122)..(125)caspase cleavage motif 230Asp Val Ser Ser
Ser Ala Leu Thr Ala Ser Val Lys Asp Glu Ile Ser1 5 10 15Gly Glu Leu
Ala Ala Ser Ser Gly Val Ser Thr Pro Gly Ser Ala Gly 20 25 30His Asp
Ile Ile Thr Glu Gln Pro Arg Ser Gln His Thr Leu Gln Ala 35 40 45Asp
Ser Val Asp Leu Ala Ser Cys Asp Leu Thr Ser Ser Ala Thr Asp 50 55
60Gly Asp Glu Glu Asp Ile Leu Ser His Ser Ser Ser Gln Val Ser Ala65
70 75 80Val Pro Ser Asp Pro Ala Met Asp Leu Asn Asp Gly Thr Gln Ala
Ser 85 90 95Ser Pro Ile Ser Asp Ser Ser Gln Thr Thr Thr Glu Gly Pro
Asp Ser 100 105 110Ala Val Thr Pro Ser Asp Ser Ser Glu Ile Val Leu
Asp Gly Thr Asp 115 120 125Asn Gln Tyr Leu Gly Leu Gln Ile Gly Gln
Pro Gln Asp Glu Asp Glu 130 135 140Glu Ala Thr Gly Ile Leu Pro Asp
Glu Ala Ser Glu Ala Phe Arg Asn145 150 155 160Ser Ser Met Ala Leu
Gln Gln Ala His Leu Leu Lys 165 17023178DNAHomo sapiensCDS(1)..(78)
231tcc agc cag gtc agc gcc gtc cca tct gac cct gcc atg gac ctg aat
48Ser Ser Gln Val Ser Ala Val Pro Ser Asp Pro Ala Met Asp Leu Asn1
5 10 15gat ggg acc cag gcc tcg tcg ccc atc agc 78Asp Gly Thr Gln
Ala Ser Ser Pro Ile Ser 20 2523226PRTHomo sapiens 232Ser Ser Gln
Val Ser Ala Val Pro Ser Asp Pro Ala Met Asp Leu Asn1 5 10 15Asp Gly
Thr Gln Ala Ser Ser Pro Ile Ser 20 2523378DNAHomo
sapiensCDS(1)..(78) 233gac agc tcc cag acc acc acc gaa ggg cct gat
tca gct gtt acc cct 48Asp Ser Ser Gln Thr Thr Thr Glu Gly Pro Asp
Ser Ala Val Thr Pro1 5 10 15tca gac agt tct gaa att gtg tta gac ggt
78Ser Asp Ser Ser Glu Ile Val Leu Asp Gly 20 2523426PRTHomo sapiens
234Asp Ser Ser Gln Thr Thr Thr Glu Gly Pro Asp Ser Ala Val Thr Pro1
5 10 15Ser Asp Ser Ser Glu Ile Val Leu Asp Gly 20 25
* * * * *