WO2005045033A1 - 遺伝子多型の検出方法 - Google Patents
遺伝子多型の検出方法 Download PDFInfo
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- WO2005045033A1 WO2005045033A1 PCT/JP2004/016715 JP2004016715W WO2005045033A1 WO 2005045033 A1 WO2005045033 A1 WO 2005045033A1 JP 2004016715 W JP2004016715 W JP 2004016715W WO 2005045033 A1 WO2005045033 A1 WO 2005045033A1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6844—Nucleic acid amplification reactions
- C12Q1/6853—Nucleic acid amplification reactions using modified primers or templates
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H21/00—Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids
- C07H21/04—Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids with deoxyribosyl as saccharide radical
Definitions
- the present invention relates to a method for detecting a ⁇ ? Polymorphism using PCR using an oligonucleotide containing an ENA unit, an oligonucleotide for detecting a gene polymorphism, and a gene polymorphism containing the oligonucleotide.
- a method for detecting a ⁇ ? Polymorphism using PCR using an oligonucleotide containing an ENA unit, an oligonucleotide for detecting a gene polymorphism, and a gene polymorphism containing the oligonucleotide is about the kit. Background technology
- polymorphisms and medicinal properties or polymorphisms and side effects has become a powerful ability to predict the effects and side effects of drugs on individual patients by diagnosing the disease.
- Such an example includes a polymorphism of a drug metabolizing enzyme.
- drug metabolizing enzymes whose activity increases or decreases due to polymorphism include cytochrome P4501A2, cytochrome P4502A6, cytochrome P4502C9, cytochrome P4 502C19, cytochrome P4502D6, and cytochrome P4502E1.
- conjugating enzymes such as thiopurine methyltransferase, N-acetyltransferase, UDP-glyreuronosilyltransferase, and glutathione S-transranferase
- conjugating enzymes such as thiopurine methyltransferase, N-acetyltransferase, UDP-glyreuronosilyltransferase, and glutathione S-transranferase
- HLA ulcerative colitis
- TCRa a cause of rheumatoid arthritis
- APOE 4 a cause of Alzheimer's disease
- dopamine D3 receptor as a cause of schizophrenia
- Tributophan hydroxylase as a cause of manic depression
- angiotensin precursor as a cause of albuminuria
- blood coagulation factor VII as a cause of myocardial infarction
- lebutin as a cause of obesity ⁇ ⁇ (Nature Genetics, 1999, Vol. 22, p. 139-144).
- PCR polymerase chain reaction
- SSCP Single-strand conformation ion polymorphism
- the PCR—RFLP method is hard to say is an advanced method because the inspection process involves a treatment of 3 to 24 hours.
- the SSCP method is excellent in that it can detect a solid or a plurality of mutations at high sensitivity somewhere in the target sequence.
- the experimental conditions must be strictly controlled in order to detect a small difference in mobility, this method is very time-consuming and cannot identify the position of the mutation.
- the SSCP method in order to carry out the SSCP method from an actual sample, for example, blood fibers, it is necessary to prepare a predetermined amount of nucleic acid in advance by using the cloning-inning-PCR method, so that a large number of samples can be efficiently processed. This is an appropriate training method.
- the AS-PCR method is a method that applies PCR and does not require the preparation of a large amount of nucleic acid in advance, and is based on the fact that an amplified product can be obtained only when a primer with no mismatch near the 3 'end is used. This is a method suitable for efficiently providing a large number of samples. However, there is a mismatch in the primer in normal PCR :! ⁇ Even though there are amplification products, strictly '[There was a problem with the raw.
- the 3 'end of the polymorphic portion to be detected is set at the 3' end, having a nucleoside having a Le base not complementary to the target gene
- nucleotides 2'-0, 4 'ethylene nucleotides (hereinafter also referred to as " ⁇ nucleotides”) are non-natural nucleotides. Oligonucleotides into which nucleotides have been introduced have a high binding ability to complementary strand RNA (Japanese Patent No. 3420984 (Japanese Patent Publication No. JP-A-12-297097) and Bioorganic & Medical Chemistry , 2003, Vol. 11, p. 2211-2226.).
- ENA nucleotides are It is characterized by having higher resistance to nucleases than LNA nucleotides (2'-0,4, methylene nucleotides (Japanese published special edition Matsuho, Japanese Patent Laid-Open No. 10-304889)), which are nucleotides cross-linked by a methylene chain. (Bioorganic & Medicinal Chemistry Letters, 2002, Vol. 12, p. 73-76) However, it is unclear whether the accuracy of AS-PCR measurement can be improved by using ENA nucleotides as primers. And seven.
- the present inventors conducted an investigation to solve the above-mentioned problems of the polymorphism detection method, and found that the polymorphic site was at the 3 ′ end, and that the ENA modification was added third from the 3 ′.
- oligonucleotides were used as PCR primers, it was found that the amount of amplification products produced due to mismatches was reduced, and that gene polymorphisms could be detected with high accuracy. did.
- the present inventors set the polymorphism site to 3 ′, set the second nucleotide from 3 ′ to a nucleotide having a base not complementary to the target feline to be detected, and set the third nucleotide from 3 ′ to
- oligonucleotides to which ENA ii was added were used as PCR primers, it was found that the amount of amplification product generated due to mismatch was reduced, and that the 5-5 polymorphism could be detected with high accuracy.
- the present invention provides a kit which can be used. Disclosure of Invention ''
- An object of the present invention is to provide an oligonucleotide that can be used in a method for detecting a polymorphism and a »method, and further provide a kit for detecting a gene polymorphism containing the oligonucleotide.
- the nucleotide at the 3 'end of the synthetic oligonucleotide primer is complementary to the nucleotide of type III.
- the primer extension reaction by DNA polymerase does not proceed when the nucleotide is not targeted, and when a synthetic oligonucleotide primer that is completely complementary to the nucleotide sequence of the nucleic acid that becomes ⁇ is used, primer extension by DNA polymerase is used.
- the present invention relates to a method of detecting a polymorphism in which a reaction occurs.
- the present invention provides a polymorphic site at the 3 'end of the nucleotide sequence of a synthetic ligated nucleotide, and 2'-ft 4'-ethylene nucleotide as the third nucleotide from the 3' end.
- the present invention relates to a method for detecting a polymorphism using an oligonucleotide using a nucleotide (ENA) unit as a primer.
- ENA nucleotide
- the present invention provides that the 3 'of the nucleotide sequence of the synthetic oligonucleotide is a polymorphic site, the second to third nucleotides are nucleotides having a don't complement to the target to be detected, and the third from the 3' end.
- the present invention relates to a method for detecting a polymorphism, characterized in that an oligonucleotide using 2′-OA ′ ethylene nucleotide (ENA) unit as a nucleotide is used as a primer.
- EDA 2′-OA ′ ethylene nucleotide
- the ism of the present invention is a solution.
- Oligonucleotides or salts thereof having the following characteristics (a) and (b): (a) the third nucleotide from the 3 'end of the oligonucleotide is 2'- ⁇ ,'-C-ethylene nucleotide ( ⁇ ⁇ ) consists of units, and the other nucleotides consist of naturally occurring nucleotides;
- nucleotides complementary to the reference nucleotide of the target gene at the end, nucleotides complementary to the reference nucleotide of the target gene, and at other positions, nucleotides complementary to the nucleotide sequence of the target gene;
- the third nucleotide from the 3 'end of the oligonucleotide consists of a 2'-OA'-ethylene nucleotide (ENA) unit, and the other nucleotides consist of naturally occurring nucleotides;
- oligonucleotide 3 consisting of a nucleotide complementary to the reference nucleotide of the gene of interest
- the second nucleotide from the 3'-end of the oligonucleotide (the second nucleotide with the 3'-terminal nucleotide as the first nucleotide) consists of nucleotides that are not complementary to the reference nucleotide;
- the third to third nucleotides of the oligonucleotide are composed of 2'-OA' ethylene nucleotide (ENA) units, and the other nucleotides are naturally occurring nucleotides. Consisting of nucleotides, (4) An oligonucleotide having the following (a) to (d) or a salt thereof:
- position 3 of the oligonucleotide consists of a nucleotide complementary to the mutant nucleotide of the gene of interest;
- the second to third nucleotides of the oligonucleotide are nucleotides that are not complementary to the reference nucleotide;
- the 3rd to 3rd nucleotides of the oligonucleotide (the 3rd nucleotide is the 1st and the 3rd nucleotide) consist of 2'-ft 4'-ethylene nucleotide (ENA) units, and the other nucleotides are natural. Consisting of nucleotides of the type
- a method for detecting a feT polymorphism which comprises using the oligonucleotide according to any one of (1) to (5).
- a method for determining the nucleotide sequence of a polymorphic site comprising: shelving the oligonucleotide according to any one of (1) to (5).
- a method for detecting a gene polymorphism comprising the following steps (a) and (b):
- nucleic acid containing the polymorphic site is defined as type III, and the oligonucleotide described in any one of (1) to (5), and the target sequence portion is paired with the oligonucleotide by PCR. Performing PCR using an oligonucleotide that can be amplified;
- step (b) a step of judging the presence or absence of a gene polymorphism in the nucleic acid based on whether or not a reaction product is generated in the step (a);
- step (b) determining the nucleotide sequence of the polymorphic site in the nucleic acid depending on whether or not a reaction product is produced in step (a);
- a kit for detecting a gene polymorphism comprising the following (a) to (d):
- the 3rd to 3rd nucleotides of the oligonucleotide consist of 2'-0,4'-C-ethylene nucleotide (ENA) units, and the other nucleotides consist of natural nucleotides and are targeted at position 3.
- a kit for detecting a gene polymorphism comprising the following (a) to (d):
- the 3rd to 3rd nucleotides of the oligonucleotide consist of 2'-ft 4 'ethylenic nucleotide (ENA) units, and the other nucleotides consist of natural nucleotides.
- Nucleotides complementary nucleotides, or oligonucleotides having nucleotides at other positions complementary to the nucleotide sequence of the gene of interest;
- a kit for detecting a gene polymorphism comprising the following (a) to (e):
- the third to third nucleotides of the oligonucleotide consist of 2'-0,4'-ethylen nucleotide (ENA) units, the other nucleotides consist of natural nucleotides, and the target nucleotide at position 3
- the third nucleotide from the 3'3 ⁇ 4 of the oligonucleotide consists of 2, -0,4'-ethylen nucleotide (ENA) units, and the other nucleotides consist of natural nucleotides, and are located at the 3 ' « ⁇ position.
- Kit for detecting residual ⁇ ? Polymorphism including the following (a) to (d):
- the 3 '* 3 ⁇ 43 ⁇ 4 position of the oligonucleotide consists of a nucleotide complementary to the reference nucleotide of the gene of interest;
- the second nucleotide from the 3'-end of the oligonucleotide (ii) consists of a nucleotide that is not complementary to the nucleotide of the reference gene;
- the third nucleotide from the 3 'of the oligonucleotide is ⁇ -. , 4, Ethylene nucleotides ( ⁇ ) unit; other nucleotides consist of natural nucleotides;
- a kit for detecting a gene polymorphism comprising the following (a) to (d):
- the 3'-end of the oligonucleotide consists of a nucleotide complementary to the mutant nucleotide of the target gene
- the 3rd to 3rd nucleotides of the oligonucleotide are 2'-0,4, ethylene nucleotide (ENA) units, and the other nucleotides are natural Consisting of the nucleotides of
- a kit for detecting a gene polymorphism comprising the following (a) to (e):
- the 3'-position of the oligonucleotide consists of a nucleotide complementary to the »nucleotide of the gene of interest;
- the second to third nucleotides of the oligonucleotide (the second nucleotide with the 3 'nucleotide as the first) comprise a nucleotide that is not complementary to the reference nucleotide;
- the third nucleotide from the 3 ' ⁇ of the oligonucleotide (the third nucleotide with the 3' terminal nucleotide as the first nucleotide) becomes 2'-0,4 'ethylene nucleotide (ENA) unit, and the other nucleotides Consisting of naturally occurring nucleotides;
- the second to third nucleotides of the oligonucleotide (the second nucleotide with the 3 'nucleotide as the first) comprise a nucleotide that is not complementary to the nucleotide of ⁇ P;
- the 3rd to 3rd nucleotides of the oligonucleotide are 2'-0A, ethylene nucleotide (ENA) units, and the other nucleotides are natural nucleotides. Become.
- the oligonucleotide and the salt fi of the oligonucleotide capable of amplifying the target sequence portion in combination with the oligonucleotide have a length of 18 to 25 bases;
- One S of the method for detecting polymorphism in the present invention is as follows.
- Figure 1 shows that there is no mutation (polymorphism) in the nucleic acid sequence: ⁇ .
- ⁇ is the target nucleic acid to be examined for mutation (polymorphism) in the nucleic acid sequence, and has a 3′-ATGC-5 ′ sequence as a part of the seed sequence.
- the ⁇ -nucleic acid and the third from the 3 'to the third ⁇ (the oligonucleotide (ii) to which the gene was added (2'-ft 4'-CX.
- Tylene-5-methylperidine unit is referred to as eT)
- eT Tylene-5-methylperidine unit
- 2 at least 3,53 ⁇ 4 of the base sequence (ii) is complementary to the corresponding: ⁇ , and (11) and (1) are double-stranded.
- Nucleic acid synthase (iii) recognizes the 3-terminal portion of the oligonucleotide (ii) forming the double strand, and the nucleic acid synthesis reaction continues.
- the specific donkey sequence shown here is for explanation, and does not mean that it is effective only for this nucleotide sequence.
- Figure 2 shows mutations in the nucleic acid sequence (there is a large number: ⁇ .)
- (I) Mutations in the nucleic acid sequence (a type I nucleic acid of which the number is to be examined, and 3'-ATAC-5 This type III nucleic acid and an oligonucleotide with a 3rd ENA modification added from 3 '(ii) (2'-OA'-C-ethylene-5-methylperidine unit is denoted as eT
- at least three of the base sequences in (ii) are not complementary to the corresponding base, and the 3′-terminal C in (ii) Does not form a Watson one-click pair with A in (i), and the nucleic acid synthetase (iii) replaces the 3 'terminal portion of the oligonucleotide (ii) that does not form a Watson one-click base pair.
- the nucleic acid synthesis reaction cannot proceed because the recognition is not possible. It does not mean that it is effective only
- Another pressure in the method for detecting polymorphism in the present invention is as follows. ,
- the age at which the bases at the 3rd end are complementary is 13 nucleic acid synthesis reactions, and when they are not complementary, nucleotide sequence mutations can be detected by taking advantage of the difference that no nucleation reaction occurs. it can. This i a will be described with reference to FIGS. 3 and 4.
- FIG. 3 shows a case where there is no mutation (polymorphism) in the nucleic acid sequence.
- ⁇ is the nucleic acid to be examined for mutation (polymorphism) in the nucleic acid sequence, and has a 3′-ATGC-5 ′ sequence as a part of the sequence.
- (Ii) is the primer.
- the 3 'to 2nd nucleoside is changed to a nucleoside that is not complementary to the gene to be detected (guanine (G) in the figure), and the other nucleosides are nucleosides that are complementary to the target ⁇ ? It is.
- the third from the 3 ' is a modified oligonucleotide (2'-ft 4' ethylene-5-methylperidine unit).
- nucleotide sequence other than the second from 3 ′ in the nucleotide sequence of (ii) is complementary to the corresponding nucleotide sequence in (i), and the 3 ′ nucleotide sequence in (ii) Although it is the second mismatch, the nucleic acid and polymorphism detection J-primer form a double-stranded chain.
- the nucleic acid synthase ⁇ recognizes the portion 3 of the oligonucleotide ⁇ i) forming the complementary strand, and the nucleation reaction continues.
- nucleotide sequence shown here is merely an example for explanation, and does not mean that the present invention is effective only for this nucleotide sequence.
- FIG. 4 shows a case where there is a mutation (polymorphism) in the nucleotide sequence.
- (0 is the nucleotide sequence of the nucleotide sequence that is to be examined for mutation (multi-shift), and has a 3′-ATAC-5 ′ sequence in the nucleotide sequence.
- (Ii) is a primer.
- the 3 'and 3' end nucleosides are changed to nucleosides that are not complementary to the gene to be detected (guanine (G) in the figure), and the other nucleosides are nucleosides that are complementary to the gene to be detected.
- the third from the 3 ' is an oligonucleotide to which ⁇ »is added (2'-ft 4'-C-ethylene-5-methylperidine unit is referred to as eT).
- eT an oligonucleotide to which ⁇ »is added
- the second nucleoside from 3, «and 3 ' is not a pair.
- the nucleoside complementary to the nucleoside of Sf is not formed, and the 3' terminal of (ii) is a Watson one-click base pair.
- Origonuku Reochido (i i) of 3 not forming a Sonkuritsuku pair, can not recognize the portion of the terminal KakuyowaiNaru enzyme (i i i) is a nucleic acid synthesis reaction have a progress.
- nucleotide sequence shown here is merely an example for explanation, and does not mean that the present invention is effective only for this nucleotide sequence.
- a novel method for detecting a gene polymorphism has been provided.
- a natural oligonucleotide is used: Polymorphisms can be detected more accurately than ⁇ .
- oligonucleotides for detecting ⁇ -polymorphism and kits for detection of ⁇ -polymorphism containing the oligonucleotide, which can be used in the 3 ⁇ 4 ⁇ method.
- ⁇ type ⁇ means that in a certain site, (a) (Single nucleotide polymorphism (S NP)) and Z or (b) 1 to several tens: ⁇ (sometimes several thousand bases) deleted or inserted (inserted / Deletion polymorphism).
- S NP Single nucleotide polymorphism
- ⁇ sometimes several thousand bases
- the ass polymorphism is also referred to as SNP (single nucleotide polymorphism) and refers to a difference of 1: K in a nucleotide sequence between individuals.
- the target ⁇ 3 ⁇ 4 refers to a target whose gene polymorphism is to be detected.
- a sequence containing a nucleotide having a high occurrence among two types of mutations at a single nucleotide polymorphism site of a target gene is defined as a reference sequence, and a nucleotide having a single nucleotide polymorphism substitution in the reference sequence is used as a reference sequence.
- a sequence containing a nucleotide having a low occurrence » is defined as a mutant sequence
- a nucleotide at a single nucleotide polymorphism site in the mutant sequence is defined as a mutant nucleotide.
- a sequence without deletion is used as a reference sequence, and a sequence with deletion is referred to as a mutant sequence.
- polymorphism is an insertion polymorphism: In the case of t, the sequence without insertion is used as a reference sequence, and the sequence with insertion is used as a mutant sequence.
- the phrase “having a polymorphism” means that the sequence containing the target polymorphism of the subject has an inversion sequence, and the phrase “having no polymorphism” means that the sequence does not have the polymorphism. It means that the sequence containing the target polymorphism of the gene is the reference sequence.
- natural nucleotide refers to adenine nucleotide, guanine nucleotide, cytosine nucleotide, peracil nucleotide, or thymine nucleotide.
- natural oligonucleotide J refers to an oligonucleotide composed of natural nucleotides such as adenine nucleotide, guanine nucleotide, cytosine nucleotide, peracyl nucleotide, thymine nucleotide and the like.
- adenine nucleotides ⁇ A P guanine nucleotides may be denoted by G p
- cytosine nucleotides may be denoted by C p
- thymine nucleotides may be denoted by T p .
- the nucleoside at the 3 'end of the natural type oligonucleotide, adenine nucleoside can be expressed as A guanine nucleoside, G cytosine nucleoside as Ct, and thymine nucleoside as Tt.
- ENA nucleotide is a nucleotide obtained by crosslinking the 2 ′ oxygen atom and the 4 ′ carbon atom of crane ⁇ with an ethylene chain (Japanese Patent No. 3420984). No.
- ⁇ 2, -0,4 'ethylene nucleotide units and units'' means A e2p , G e2p , C e2p , 5C e2p , T e2p , or at the 3 ′ end of the oligonucleotide: ⁇ ,
- ENA When ENA is treated as a nucleoside, it means a group selected from C e2t , 5C e2t , and T e2t , and its structure is as shown below. Also shows the structure of a C elp as LNA Yuni' bets.
- the term "complementary nucleotide” refers to a nucleotide in which the base portion of the nucleotide is the same, and specifically, the base portion is adenine and thymine, guanine and cytosine, and adenine and peracil. Certain nucleotides are complementary to each other.
- the compound of the present invention can be converted into a salt, and refers to a salt thereof.
- a salt is preferably a sodium salt, a potassium salt, a lithium salt or the like.
- Metal salts such as alkaline earth metal salts, potassium salts, magnesium salts, alkaline earth metal salts, arylene salts, iron salts, copper salts, nickel salts, cobalt salts, etc .; inorganic salts such as ammonium salts , T-octylamine, dibenzylamine, morpholine, dalcosamine, phenyldaricin alkyl ester, ethylenediamine, N-methyldalkamine, guanidine, getylamine, triethylamine, dicyclohexylamine, N, N, Dibenzylethylenediamine salt, black mouth pro-force salt, pro-force salt, jetanol Ami, such as organic salts such as 3 ⁇ 4, N-benzyleneethylamine salt, piperazine salt, tetramethylammonium salt, tris (hydroxymethyl) amino methane salt, etc.
- inorganic salts such as ammonium salts , T-o
- Is a halogen atom such as citrate, hydroiodide; inorganic acid salts such as nitrate, perchlorate, sulphate, and phosphate; methanesulfonate, methanesulfone m Lower aryl sulfonates such as ethanesulfonate, aryl sulfonates such as benzene sulfonate, p-toluene sulfonate, acetate, lincoate, fumarylate, succinate, Organic salts such as citrate, m ⁇ , »salt, maleate; and amino acids such as darich, lysine, arginine, ornithi, daltamate, aspartate ? .
- the compounds of the present invention and salts thereof can also exist as hydrates, and the present invention also includes those oral products.
- a sample containing a nucleic acid can be used as a sample for detecting a polymorphism.
- the nucleic acid include, but are not limited to, genomic DNA.
- genomic DNA can easily be obtained by the ⁇ 0 method.
- genomic DNAs derived from other organisms can be obtained in the same manner.
- any cells (excluding ⁇ m cells) and ⁇ collected from the sheath can be used, and preferably, leukocytes or «spheres isolated from the peripheral blood of sisters are used. Yes, most white blood cells. These materials can be collected by methods commonly used in clinical tests.
- genomic DNA including RNA
- SDS dodecyl sodium
- RNA can be recruited by RNAse if necessary.
- the present invention is not limited to this.
- a method known in the sickle field of the present invention that is, 3 ⁇ 41 (for example, see Sambrook, J. et al. (1989): “Molecular Cloning: ALaboratory Manual (2nd Ed.)", Cold Spring Harbor Laboratory, NY), or a method using a commercially available DNA extraction kit is also preferably used. it can.
- a specimen containing DNA can be used for PCR.
- An exudate, a purified product, etc. from a sample can be used. 3. Selection of target ⁇ ?
- the gene for which a gene polymorphism is to be detected may be any gene as long as at least the nucleotide sequence of " ⁇ " is already known and a polymorphism is present in that portion.
- ⁇ ⁇ ⁇ Cytochrome P 4 5 0 1 which is a drug metabolic residue ⁇ 5 ⁇ involved in side effects of drugs
- cytochrome ⁇ 450 0 2 ⁇ 6, cytochrome ⁇ 450 0 2 C9, cytochrome P 450 2C 19, cytochrome ⁇ 450 02 D6, cytochrome P 450 0 2E 1 Etc. are known.
- thiopurine methyltransferase, N-acetyltransferase, UDP-darkuuronosyltransferase, and daltathione S-transferase ⁇ which are associated with the disease HLA as a causative gene
- TCR ⁇ as a causative gene for rheumatoid arthritis
- APOE.4 as a causative gene for Alzheimer's disease
- dopamine D3 receptor as a causal gene for schizophrenia
- manic depression As a causative gene in rice Examples include tofu hydroxylase, angiotensin precursor as a causative gene for albuminuria, blood coagulation factor VII as a causative gene for myocardial infarction, and lebutin as a causative gene for obesity.
- Other examples include human prothrombin.
- mouse genomic DNA When mouse genomic DNA is used as a sample, polymorphisms and deletions on the promoter of mouse Angiopoietin-1 ike 3 can also be mentioned.
- the position of the polymorphism in the gene may be any one of a regulatory region such as a translation region, a non-translation region promoter, an intron, and other regions. 4. Oligonucleotide primer
- oligonucleotides can be synthesized using a nucleic acid automated male.
- Natural oligonucleotides can be synthesized using natural phosphoramidites.
- 2′-ft 4 ′ ethylene nucleotide see Example 14 of Patent No. 342098 (5′-0-dimethoxytrityl-2, -0, 4′-C-ethylene-6-N-benzoyladenosine-3, -0-(2-cyanoethyl N, N-diisopropyl) phosphoramidite), male 27 (5, -0-dimethoxytrityl -2 '-0, 4' -C -ethylene-2-N-isobutyrylguanosine -3'-0- (2-Cyanethyl ⁇ , ⁇ -diisopropyl) phosphoramidite), Example 5 (5'-0-dimethoxytrityl-2'-0, 4'-C-ethylene-4-4--- -Benzylcytidine-3'-0- (2-cyanoethyl ⁇ , ⁇ -diiso
- Example 9 (5'-0-dimethoxytriti-0 , 4,-C-E Len - 5 main Chiruurijin - 3 '- 0 - (2-Shianoechiru New, New - diisopropyl) can be synthesized by using the I ⁇ product according to phosphoramidite).
- Oligonucleotides for detecting polymorphisms used in the present invention include the following (a) and (b).
- the third nucleotide from the 3 ' ⁇ ⁇ ⁇ of the oligonucleotide comprises a 2'-0-ethylene nucleotide (ENA) unit;
- EAA 2'-0-ethylene nucleotide
- the nucleotide length of the oligonucleotide primer is not particularly limited as long as the nucleic acid can be amplified by PCR, preferably from 15 to 40 nucleotides, more preferably from 18 to 35 nucleotides, and still more preferably from 18 to 25 nucleotides. It is an oligonucleotide.
- oligonucleotide having such a body is hereinafter referred to as “X_PRIMER”.
- the third nucleotide from the 3 'of the oligonucleotide is a 2'- ⁇ , ⁇ '-ethylene nucleotide ( ⁇ ) unit, and the other nucleotides are Consisting of the nucleotides of
- the nucleotide length of the oligonucleotide is not particularly limited as long as the nucleic acid can be amplified by PCR, but is preferably from 15 to 40 nucleotides, more preferably from 18 to 35 nucleotides, and still more preferably from 18 to 25 nucleotides. Oligonucleotide.
- the 3rd to 3rd nucleotide of the oligonucleotide is a 2′-ft 4 ′ ethylene nucleotide (ENA) unit, which means that the 3rd nucleotide is a natural nucleotide. It means that it is an ENA nucleotide, not a type nucleotide.
- ENA ethylene nucleotide
- Y-PRIMERJ An oligonucleotide having such a ⁇ is hereinafter referred to as “Y-PRIMERJ”.
- the 3 'position of the 0 oligonucleotide consists of a nucleotide complementary to the reference nucleotide of the gene of interest
- nucleotide consisting of a nucleotide which is not complementary to the nucleotide of the 3 'to 2nd nucleotide (the second being the 3' nucleotide as the first nucleotide) of the oligonucleotide reference gene,
- the 3rd to 3rd nucleotides are 2'-ft 4'-ethylene nucleotide (ENA) units, and the other nucleotides are Consisting of nucleotides,
- the nucleotide length of the oligonucleotide is not particularly limited as long as the nucleic acid can be amplified by PCR, but is preferably 15 to 40 nucleotides, more preferably 18 to 35 nucleotides, and still more preferably It is an oligonucleotide consisting of 18 to 25 nucleotides.
- An oligonucleotide having such a body is hereinafter referred to as "N-PRIMERJ.”
- the third nucleotide from the third is ⁇ ⁇ ⁇ an oligonucleotide consisting of a nucleotide sequence complementary to the self-transition sequence '
- oligonucleotide (0,3 of the oligonucleotide consists of a nucleotide complementary to the target mutant nucleotide
- the second to third nucleotides of the oligonucleotide are nucleotides that are not complementary to the reference nucleotide;
- the other site has a nucleotide complementary to the nucleotide of the gene of interest.
- the 3rd to 3rd nucleotide (3rd nucleotide is 1st and 3rd nucleotide) of the oligonucleotide is 2'-ft 4 'Ethylene nucleotide (ENA) unit, other nucleotides are ⁇ ⁇ nucleotides,
- the nucleotide length of the oligonucleotide is not particularly limited as long as the nucleic acid can be amplified by PCR, but is preferably 15 to 40 nucleotides, more preferably 18 to 35 nucleotides, and still more preferably It is an oligonucleotide consisting of 18 to 25 nucleotides.
- P—PRIMERJ Such an oligonucleotide having a is hereinafter referred to as “P—PRIMERJ”.
- the 3rd to 3rd nucleotide of the oligonucleotide is a 2′-ft 4 ′ ethylene nucleotide (ENA) unit, which means that the 3rd nucleotide is a natural nucleotide. This means that it is an ENA nucleotide that is different from that of the nucleotide. For example, it means that instead A e2p of A p, G e2p instead of G p, 5C e2p or C e 2 p instead of C p, is T e 2 p instead of T p is used.
- ENA ethylene nucleotide
- oligonucleotides (a) to (d) may be referred to as forward primers for PCR (Forward primer).
- the nucleotide sequence of the oligonucleotide used as a pair with the oligonucleotide according to any one of (a) to (d) described in (1) above is the nucleotide of the gene for which a gene polymorphism is to be detected:
- the sequence as long as the target sequence in the target gene can be amplified by PCR in combination with the oligonucleotide for detecting a gene polymorphism in any of (a) to (d) in (1) above.
- the sequence is not particularly limited, but specifically, 15 to 40 consecutive nucleotides in the sequence of the complementary strand, which is located at the 5 'end region further from the most 5' end position in the sequence corresponding to the complementary strand, preferably Consists of any partial sequence of 18 to 35 nucleotides, more preferably 18 to 25 nucleotides.
- oligonucleotides used in pairs with oligonucleotides for detecting polymorphisms have complementary sequences to each other, non-specific sequences are amplified by annealing with each other, resulting in specific gene multiplication. It is preferable to design oligonucleotides and paired oligonucleotides avoiding such a combination because they may hinder detection of the type.
- a paired oligonucleotide may be referred to as a reverse primer (Reverse primer).
- the oligonucleotide for detecting 3 ⁇ 4 ⁇ polymorphism (TaqMan PCR) used in TaqMan PCR is labeled at the 5 'end with a fluorescent reporter dye such as FAM or VIC, and at the same time, labeled at the 3' end with quencher.
- a fluorescent reporter dye such as FAM or VIC
- the sequence of the TaqMan probe used in combination with any one of the oligonucleotides (a) to (d) described in (1) above is the nucleotide of the target for which a polymorphism is to be detected.
- the target sequence in the target There is no particular limitation as long as amplification is possible, but specifically, the most continuous sequence in the sequence corresponding to the 5'-most region of the sequence corresponding to the complementary strand and the 5'-most region from the position of the terminal ⁇ J.
- oligonucleotides for detection of ⁇ -polymorphism and the Ta QM a ⁇ probe have complementary sequences, annealing to each other will amplify non-specific sequences, resulting in amplification of non-specific sequences. It is preferable to design oligonucleotides and TaqMan probes avoiding such a combination because they may hinder detection of the type. 5. Detection of ⁇ ? Polymorphism
- Oligonucleotide primers any of (a) to (d) designed in (4) Oligonucleotide primers, (1) Oligonucleotides for detecting polymorphisms in the section (1) Oligonucleotides for detecting polymorphisms
- Oligonucleotides for detecting polymorphisms By performing a PCR reaction using the oligonucleotide and an oligonucleotide used in combination with the nucleotide, a polymorphism at a predetermined position of the fiber ⁇ ? Can be detected.
- PCR is used for (i) a combination of "X-PR IMER ⁇ " and an oligonucleotide used in combination with the primer, and (ii) a combination of "Y-PR IMER" and the primer.
- the PCR reaction conditions are not particularly limited as long as the desired nucleic acid sequence can be amplified, and the PCR can be performed under conditions that are well known to those skilled in the art.For example, the PCR can be performed as follows.
- the nuclease depending on the type of the nucleic acid in (1), it is possible to use one selected from DM polymerase, RNA polymerase and reverse transcriptase.
- examples of the DNA polymerase include Taq DNA polymerase derived from Thermus aquaticus, Tth DNA polymerase derived from Thermus thermophilus, K0D derived from Pyrococcus, Pfu or PTO DNA polymerase, or a mixture of the above-mentioned Oki I raw polymerase.
- the present invention is not limited to these. Since Tth DNA polymerase also has RT activity, when RT-PCR is performed in one tube-one ste, it has the characteristic that it can be covered by one type of enzyme.
- Reverse transcriptase refers to an enzyme that can reverse transcribe RNA into cDNA.
- Reverse transcriptase includes reverse transcriptase derived from avian retrovirus such as Rous associated virus (RAV) and Avian myeloblastosis virus (AMV), and reverse transcriptase derived from mouse retrovirus such as Moloney murine leukemia virus (MMLV) Alternatively, it includes, but is not limited to, an abominable Tth DNA polymerase.
- the PCR reaction is, for example, as follows.
- reaction fibers examples include:
- Taq polymerase 1 to 2.5 units of Taq polymerase (preferably 2.5 units);
- Reaction? Conditions First heat at 94 ° C for 2 minutes, then at 90-95, preferably 94 ° C) for 30 seconds, at 40-65 ° C or more preferably, calculated from the characteristics of the primer ( ⁇ fi) cycle of 70 minutes to 75 (preferably 72 ° C) for 1.5 seconds, 28 to 50 cycles, preferably 30 cycles, in the range from m) to 20 degrees lower than that. Repeat, then cool to room temperature.
- reaction solution is subjected to electrolysis to detect whether a band having the size of the target sequence has been amplified.
- the oligonucleotide in the polymorphic portion is X-
- the nucleotide can be determined to be a nucleotide complementary to the 3'-terminal oligonucleotide of PRIMER, and it can be determined that there is no polymorphism.
- the oligonucleotide of the polymorphic portion is not a nucleotide complementary to the oligonucleotide at the 3 ′ end of X-PR ⁇ ER, and is determined to have the polymorphism. can do.
- the oligonucleotide of the polymorphic portion was Y—PRIMER 3 'It can be determined that it is a nucleotide complementary to the oligonucleotide at the terminal, and that it has a polymorphism.
- the target sequence when the target sequence is not amplified, it can be determined that the oligonucleotide at the polymorphic portion is not a nucleotide complementary to the oligonucleotide at the 3 'end of Y-PRIMER, and the ⁇ -polymorphism is present. Otherwise, you can decide.
- Amplification of the target sequence was confirmed by PCR using the combination of X-PR IMER and the oligonucleotide used in combination with the primer, and used in combination with Y-PR IMER and the primer.
- the amplification of the target sequence by PCR in combination with the oligonucleotide to be obtained cannot be recognized as IS: ⁇ can be determined to have no genetic polymorphism.
- the amplification range of the target sequence could not be recognized by PCR due to the combination of X-PR IMER and the oligonucleotide used as a pair with the primer, and Y-PRIME
- amplification of the target sequence can be confirmed by PCR using a combination of R and the oligonucleotide used as a pair with the primer, it is determined to have a genetic polymorphism. be able to.
- the oligonucleotide of the polymorphic portion was identified as “N-PRIMER”. Can be determined as a nucleotide complementary to the 3 ′ oligonucleotide, and no polymorphism can be determined.
- the target sequence is not amplified, it is possible to judge that the oligonucleotide at the polymorphic portion is not a nucleotide complementary to the oligonucleotide at the terminal 3 of “N-PRI MER”. It can be understood that the
- the oligonucleotide of the polymorphic portion was identified as “P— PRIMER ”can be judged as a nucleotide complementary to the 3′-terminal oligonucleotide, and can be judged as having a polymorphism.
- the target sequence when the target sequence is not amplified, it can be judged that the oligonucleotide of the polymorphic portion is not a nucleotide complementary to the 3 ′ oligo nucleotide of “P—PRI MER”, and If you do not have it, you can judge it.
- Amplification of the target sequence was confirmed by PCR using a combination of “N-PR IMER” and the oligonucleotide used as a pair with the primer, and “P-PRIMERJ was used in combination with the primer. If amplification of the target sequence cannot be confirmed by PCR in combination with the oligonucleotide to be used, it can be determined that there is no gene polymorphism.
- the amplification of the target sequence by PCR using the combination of N-PRIMERJ and the oligonucleotide used as a pair with the primer was not recognized, and "P-PRIMER" was used in combination with the nucleotide. If amplification of the target sequence is confirmed by PCR using the combination with the oligonucleotide to be used, it can be determined to have a genetic polymorphism.
- the oligonucleotide in the polymorphic portion is X—PRIMER 3 , It can be determined that the nucleotide is complementary to the terminal oligonucleotide and that there is no polymorphism.
- the oligonucleotide of the polymorphic portion is not a nucleotide complementary to the oligonucleotide at the 3 ′ end of X-PR PRER. It can be determined to have a polymorphism.
- the oligonucleotide of the polymorphic portion will be ⁇ —PRIME It can be determined to have polymorphism, including the ability to determine that it is a nucleotide complementary to the 3 ′ oligonucleotide of R.
- the target sequence when the target sequence is not amplified, it can be determined that the oligonucleotide at the polymorphic portion has no nucleotide sequence complementary to the oligonucleotide at the 3 'end of Y-PRIMER, and has no polymorphism. You can say 3 ⁇ 4T Ruko '.
- X—Amplification of the target sequence can be confirmed by the increase in fluorescence intensity by PCR using the combination of PRIMER and TaqMan probe, and the target sequence by PCR using the combination of Y-PRIMER and TaqMan probe. If it cannot be recognized, it can be determined that the patient has no polymorphism. ' On the other hand, amplification of the target sequence could not be detected by PCR with the combination of X-PRIMER and TaqMan probe, and the increase in the number of fluorescent bows by PCR with the combination of Y_PRIMER and TaqMan probe The age at which the right to amplify the sequence can be determined to have no polymorphism.
- the oligonucleotide can be determined to be a complementary nucleotide to the oligonucleotide at the 3 'end of "N-PRIMER", and it can be determined that there is no polymorphism.
- the oligonucleotide of the polymorphic portion can be judged to be a nucleotide that is not complementary to the oligonucleotide at the 3 'end of N-PRI MERJ. You have enough power to have it.
- the oligonucleotide of the polymorphic portion was identified as“ P—PRIME R ”. 'It can be determined that the nucleotide is complementary to the oligonucleotide at the terminal, and that it has a genetic polymorphism.
- the oligonucleotide of the polymorphic portion is “P—PRI
- nucleotide is not complementary to the 3 'oligo nucleotide of MERJ, and that it has no residual polymorphism.
- PCR with the combination of “N—PR IMER” and the TaqMan probe increases the fluorescence intensity and amplifies the target sequence.
- 3 ⁇ 41 PCR with the combination of “P—PRIMER” and the TaQMan probe By the age at which amplification of the target sequence cannot be achieved, it can be determined that the patient has no polymorphism.
- amplification of the target sequence could not be detected by PCR using a combination of “N—PRIME R” and TaqMan probe. It can be seen that tj ⁇ , for which amplification of the target sequence was confirmed by an increase in the fluorescent bow t3 ⁇ 4 by PCR in combination, did not have a gene polymorphism.
- MALD I Detection of polymorphism by TOF / MS
- MALD I Detection of polymorphism by TOF / MS method (described in “SNP residue ⁇ polymorphism strategy” (Middle ⁇ 3 ⁇ 4m, Nakayama Shoten, (2000), p. 106-117) Part of the method can be used to detect polymorphisms.
- dNTP remaining in the PCR reaction system and oligonucleotide used as a primer are
- the oligonucleotide described in “(1) Remaining» polynucleotide detection oligonucleotide ”in“ 4. ”above is more than 10-fold more than the type 3 ⁇ 4 * 3 ⁇ 4].
- a thermal cycle reaction is performed.
- the thermal cycle reaction is not particularly limited as long as the extension reaction of the oligonucleotide is recognized. For example, an appropriate 51% elongation can be obtained by performing the reaction 25 times at 94 ° C. and 37 2 .
- the obtained extension reaction product is purified, and salts, buffers, surfactants, and proteins are removed.
- the purified product is spotted on a MALD I plate and analyzed for mass by MALD I TO FZMS.
- the polymorphic site of the target is an oligonucleotide complementary to the oligonucleotide for detecting the polymorphism
- accumulation of an extension reaction product in which ddNTP has been added to the oligonucleotide for detecting the polymorphism is observed. If the polymorphic site is not complementary to the oligonucleotide for gene polymorphism detection, the extension
- the product of the extension reaction is 3 ⁇ 4
- the polymorphic portion is a mutant nucleotide, and it can be determined that the polymorphism has a polymorphism.
- the portion is a reference nucleotide and can be determined to have no polymorphism.
- the polymorphic portion is a mutant nucleotide, and can be determined to have a polymorphism. If the extension reaction product is not recognized, the polymorphic portion can be determined. Is a reference nucleotide and can be determined to have no polymorphism. It is also used to detect the presence or absence of PCR products generated by applying it to the Qiagen LightCycler system and a kit for detecting PCR products using it (Quantitet SYBR Green PCR Kit). It is also possible to measure PCR products. 6. Confirmation of the remains of 5?
- a polymorphism in a nucleic acid to be type II is heterozygous or homozygous. Specifically, it can be determined by any of the following methods (a) to (f).
- the target is compared to the sample known to be homozygous.
- the amount of the appearing band is about half, it can be determined that the polymorphism is heterozygous between the S subnucleotide and the mutant nucleotide.
- Amplification of the target sequence was confirmed by PCR using a combination of X-PRIMER and the oligonucleotide used in combination with the primer, and Y-PRIMER was used in combination with the nucleotide. If amplification of the target sequence can be confirmed by 1 ft even by PCR using the combination with the oligonucleotide, the polymorphism can be judged to be heterozygous.
- the target when the amplification of the target sequence can be achieved by PCR, the target is higher than that of a sample known to be homologous. In the case where the appearance amount of the band appears to be about half, it can be determined that the polymorphism is heterozygous between the male nucleotide and the mutant nucleotide.
- Amplification of the target sequence was confirmed by PCR using a combination of "N-PR IMER” and the oligonucleotide used in combination with the primer, and "P-PR IMERJ was used in combination with the primer. If amplification of the target sequence can be achieved even by PCR using a combination with the oligonucleotide, the polymorphism can be determined to be heterozygous.
- the primers and trends for performing the method of the present invention can be provided as a gene polymorphism detection kit.
- a gene polymorphism detection kit includes:
- Kit 1 (a) The third nucleotide from the 3 'end of the oligonucleotide consists of 2'-ft' ethylene nucleotide (ENA) units, and the other nucleotides consist of naturally occurring nucleotides, located at the 3, terminal A nucleotide complementary to the reference nucleotide of the target gene, and an oligonucleotide having a nucleotide complementary to the nucleotide sequence of the target gene at other positions;
- ENA 2'-ft' ethylene nucleotide
- a kit for detecting polymorphisms including:
- the third nucleotide from the 3 'of the oligonucleotide consists of 2'- ⁇ ?, 4'-ethylene nucleotide ( ⁇ ) units, and the other nucleotides consist of heavenly ⁇ nucleotides and are targeted at position 3.
- Oligonucleotide F which has a nucleotide complementary to the mutant nucleotide of the subject, and a nucleotide complementary to the nucleotide sequence of the target gene at other positions;
- the 3rd to 3rd nucleotides of the oligonucleotide consist of 2'-0,4'-ethylene nucleotide (ENA) units, and the other nucleotides consist of natural nucleotides and are targeted at positions 3 and 5 Oligonucleotides having nucleotides complementary to the reference nucleotides of the gene, and nucleotides complementary to the nucleotide sequence of the target gene in other positions;
- the third nucleotide from the 3 'end of the oligonucleotide is composed of 2'-ft 4'-ethylene nucleotide (ENA) units, and the other nucleotides are composed of heavenly nucleotides and are targeted at the 3rd and final positions.
- terminal of the oligonucleotide consists of a nucleotide complementary to the reference nucleotide of the gene of interest
- the second to third nucleotides of the oligonucleotide are nucleotides that are not complementary to the nucleotides of the reference residue;
- the third nucleotide is composed of 2'-OA'-C-ethylene nucleotide (ENA) units, and the other nucleotide is composed of natural nucleotides;
- the nucleotide length of the oligonucleotide should be as long as the nucleic acid can be amplified by PCR. Although it is not particularly limited, it is preferably an oligonucleotide consisting of 15 to 40 nucleotides, more preferably 18 to 35 nucleotides, and still more preferably 18 to 2.5 nucleotides.
- position 3 of the oligonucleotide consists of a nucleotide complementary to the mutant nucleotide of the target gene
- the second nucleotide from the 3 'end of the oligonucleotide is a nucleotide which is not complementary to the reference nucleotide;
- the other site has a nucleotide complementary to the nucleotide of the target gene.
- the 3rd nucleotide from the 3 ' ⁇ of the oligonucleotide is 2 '.
- -Consists of 0, 4, -C-ethylene nucleotide (ENA) units, and other nucleotides consist of natural nucleotides,
- the length of the nucleotide of the oligonucleotide is not particularly limited as long as the nucleic acid can be amplified by PCR, but is preferably 15 to 40 nucleotides, more preferably 18 to 35 nucleotides, and still more preferably An oligonucleotide consisting of 18 to 25 nucleotides.
- kits 1 to 4 of the present invention may optionally contain various dNTPs for electrophoresis, markers for electrophoresis, and the like.
- Figure 1 is a diagram showing the principle of the method for detecting polymorphism, and shows the case where there is no polymorphism.
- Figure 2 shows a diagram of the method for detecting ⁇ ? Polymorphisms. Indicates ⁇ .
- Fig. 3 is a diagram showing the principle of the method for detecting polymorphism 5 and showing the case where the polymorphism is not found.
- FIG. 4 is a diagram showing the principle of the polymorphism detection method, showing a case where there is a polymorphism.
- FIG. 5 shows the results of PCR using various primers using Premix Taq.
- FIG. 6 shows the results of PCR using various primers using Premix EX Taq.
- FIG. 7 is a diagram quantifying the fluorescent bow of a band detected by PCR.
- FIG. 8 is a diagram showing polymorphisms within one of the angiopoietin-related three gene promoters.
- Figure 9-A shows the results of PCR using genomic DNA (AKR) derived from mouse AKR strain as type II.
- Figure 9-B is a diagram showing the results of PCR using genomic DNA (K Nga) derived from KK mouse Nga strain as type II.
- FIG. 10 shows cliff genomic DNA, KK / Nga genomic DNA, KK mouse Snk strain (KK / Snk) genomic DNA, and DNA obtained by mixing equal amounts of AKR and KK / Nga genomic DNA.
- FIG. 4 is a diagram showing the results of PCR performed.
- FIG. 11 is a diagram showing polymorphisms in angiopotechin-related three gene promoters.
- FIG. 12 shows the results of PCR using various primers using Premix Taq. BEST MODE FOR CARRYING OUT THE INVENTION
- the protected oligonucleotide analog having the target sequence was treated with concentrated aqueous ammonia to remove oligosaccharides from the book, and the protecting group on the phosphorus atom and the protecting group on the nucleobase were removed.
- the solvent was distilled off under S, and the remaining residue was subjected to reversed-phase HP LC (LC-10VP, Shimadzu Seisakusho, column (Merck, Chromith Performance RP-18e (4.6 x 100 mm)), A solution: 5% Acetonitrile, 0.1 M aqueous solution of triethylamine acetate (TEM), H 7.0, B solution: acetonitrile, B%: 103 ⁇ 4 ⁇ 50% (10 min, inear gradient); 60.
- sequence of this compound is a sequence complementary to nucleotide numbers 26784-26803 of the human prothrombin gene (GenBank accession No. Ml 7262).
- Example 2 The compound of Example 2 was synthesized in the same manner as in Difficult Example 1 (21 A 260 units). The compound is a negative ion
- the ⁇ sequence of this compound is the nucleotide sequence of the human prothrombin gene (GenBank accession No. Ml 7262), nucleotide number 26784-26803, which is complementary to that in which nucleotide number 26784 is mutated from G to A.
- Example 3 The compound of Example 3 was synthesized in the same manner as in Example 1 (8.9 A 260 units). The compound was identified by negative ion ESI mass spectrometry (calculated value: 8530.67, measured value: 8530.75).
- nucleotide sequence of this compound is the nucleotide number described in GenBank accession NO. AL935325. It is a sequence of 60529-60556, wherein C at nucleotide number 60556 is T. Difficult case 4)
- Example 4 Compound of Example 4 was synthesized in the same manner as flame Example 1 (10. 1 A 26. Uni ts :). This compound was identified by negative ion ESI quality (calculated value: 8515.66, measured value: 8515.56).
- the nucleotide sequence of this compound is the sequence of nucleotide numbers 60529-60556 described in GenBank accession NO. AL935325.
- Example 1 The compound of Example 1 was synthesized by a conventional method using a difficult automatic alloy.
- ⁇ sequence of the present compound is a sequence complementary to nucleotide numbers 26784-26803 of the human prothrombin gene (GenBank accession No. Ml 7262), and is shown in SEQ ID NO: 1 in the sequence listing. 'Instantaneous example 2)
- Example 2 The compound of Example 2 was synthesized by a conventional method using nucleic acid automatization.
- sequence of this product is the nucleotide sequence of the human prothrombin gene (GenBank accession No. Ml 7262), nucleotide number 26784-2680 ⁇ , which is complementary to the nucleotide number 26784 mutated from G to A. And is shown in SEQ ID NO: 2 in the sequence listing.
- Example 3 The compound of Reference Example 3 was synthesized in the same manner as in Example 1 (0.3 A 260 units).
- Examples of non-sky-key phosphoramidites include Example 5 of Patent No. 3420984 (5′-0-dimethoxytrityl-2′-0,4′-C-ethylene-4-N-benzoyl). Cytidine-3'-0- (2-cyanoethyl ⁇ , ⁇ -diisopropylpyrrole) phosphoramidite) compound, and the solid-phase carrier used was universal-Q 500 CPG (Glen Research) about ⁇ . ⁇ ⁇ ⁇ . The compound was identified by negative ion ESI mass spectrometry (calculated value: 6200.08, measured value: 6200.25).
- nucleotide sequence of this compound is a sequence complementary to nucleotide numbers 26784-26803 of the human prothrombin gene (GenBank accession No. Ml 7262). (Binding example 4)
- Example 4 The compound of Example 4 was synthesized in the same manner as in Difficult Example 1 (0.94 A 26. Unit).
- the non-natural type phosphoramidite is exemplified by Example 9 of Patent No. 3420984 (5′-0-dimethoxytrityl-2, -0,4′-C-ethylene-5-methylperidine-3′-0 -(2-cyanoethyl N, N-diisopropyl) phosphoramidite), and a solid-phase carrier of about O. l ⁇ mol of universal-Q 500 CPG (Glen Research). This compound was identified by negative ion ESI quality * ⁇ p (calculated value: 6215.09, ij fixed value: 6215.06).
- sequence of this compound is the nucleotide sequence of human prothrombin gene (GenBank accession No. M17262), nucleotide number 26784-26803, which is complementary to the nucleotide number 26784 mutated from G to A.
- Example 5 The compound of Example 5 was synthesized in the same manner as in Sickle Example 1 (2.28 A 26. Unit ts).
- Examples of non-natural phosphoramidites include Example 9 of Patent No. 342098 (5′-0-dimethoxytrityl-2, -0,4′-C-ethylene-5-methylperidine-3′- 0- (2-cyanoethyl N, N-diisopropyl) phosphoramidite). This compound was identified by negative ion ESI mass spectrometry (calculated value: 6200.08, measured value: 6200.26).
- sequence is complementary to nucleotide numbers 26784-26803 of the human prothrombin gene (GenBank accession No. M17262).
- Example 9 of Patent No. 342098 (5′-0-dimethoxytrityl-2′-0,4′-C-ethylene-5-methylperidine-3, -0 -(2-cyanoethyl N, N-diisopropyl) phosphoramidite). This compound was identified by negative ion ESI quality * ⁇ p (calculated value: 6215.09, measured value: 6215.26).
- nucleotide sequence of the present conjugate is nucleotide No. 26784-26803 of the human prothrombin gene (GenBank accession No. M17262), and is a sequence complementary to that in which nucleotide No. 26784 is mutated from G to A.
- Instantaneous example 7 is nucleotide No. 26784-26803 of the human prothrombin gene (GenBank accession No. M17262), and is a sequence complementary to that in which nucleotide No. 26784 is mutated from G to A.
- Example 7 The compound of Example 7 was synthesized in the same manner as in Example 1 (4. 32.A 26 .uni ts) .
- the non-natural phosphoramidite is the same as in Example 27 of Patent No. 3420984 (5′-0-dimethoxytrityl_2, -0,4′-C-ethylene-2-N-isobutyrylguanosine-).
- the compound was identified by negative ion ESI mass spectrometry (calculated value: 620.008, measured value: 6199.95).
- the rooster sequence of the hon-dani daigo is a sequence complementary to nucleotide numbers 26784-26803 of the human prothrombin gene (GenBank accession No. Ml 7262).
- ⁇ Hai ⁇ 1 j is a nucleotide numbers 26784-26803 of human prothrombin gene (GenBank accession No. M17262 ), a sequence complementary to that nucleotide number 26784 has been mutated to A from G It is.
- Example 9 The compound of Reference Example 9 was synthesized in the same manner as in Example 1 (13.28 A 260 units).
- non-natural phosphoramidites include 5'-0-dimethoxytrityl-2'-0,4'-C-methylene-4-N-benzoy described in Tetrahedron (1998) 54, 3607-3630.
- the compound was identified by negative ion ESI mass spectrometry (calculated value: 6186.05, measured value: 6186.45).
- sequence U in the present compound is a sequence complementary to nucleotide numbers 26784-26803 of the human prothrombin gene (GenBank accession No. Ml 7262).
- ⁇ sequence of this compound is the nucleotide sequence of nucleotide sequence 26784-26803 of the human prothrombin gene (GenBank accession No. M17262), which is complementary to the nucleotide sequence 26784 in which G is mutated to A.
- nucleotide sequence of this compound is the nucleotide number described in GenBank accession No. AL935325.
- the nucleotide sequence of this compound is the sequence of nucleotide numbers 60529-60556 described in GenBank accession No. AL935325, and is shown in SEQ ID NO: 4 in the sequence listing.
- Example 13 The compound of Example 13 was synthesized in the same manner as in Example 1 (7.8 A 26. Units). However, as the non-Tera phosphoramidite, Example 9 of Patent No. 3420984 (5′-0-dimethoxytrityl-2′-0,4′-C-ethylene-5-methylperidine-3, -0- (2-cyanoethyl ⁇ ⁇ ⁇ , ⁇ -diisopropyl) phosphoramidite), and about 0.1 mol of universal-Q 500 CPG (Glen Research) as a solid phase carrier. This compound was identified by the negative ion ESI * ⁇ prayer (calculated value:
- nucleotide sequence of this compound is the sequence of nucleotide numbers 60529 to 60556 described in GenBank accession No. AL935325, wherein C in nucleotide number 60556 is T. ( 14)
- the compound of Poetry Example 14 was synthesized in the same manner as in Example 1 (7.4 A 26. Unit ts). However, solid support, using universal-Q 500 CPG (Glen Research W about 0. 1 x mol This compound was identified by negative-ion ESI mass spectrometry (calculated value:. 8516.66, measured value: 8516.00) 0
- the nucleotide sequence of this compound is the sequence of nucleotide numbers 60529-60556 described in GenBank accession NO. AL935325.
- the compound of Reference Example 15 was synthesized in the same manner as in Example 1 (8.4 A 260 units) 0 However, as a non-natural type phosphoramidite, the compound of Example 14 (5′- 0-Dimethoxytrityl-2'-0,4'-C-ethylene-6-N-benzoyladenosine-3'-0- (2-cyanoethyl N, N-diisopropyl) phosphoramidite) was. This compound was identified by negative ion ESI mass spectrometry (calculated value: 8516.64, measured value: 8516.32).
- nucleotide sequence of this compound is the sequence of nucleotide numbers 60529-60556 described in GenBank accession No. AL935325, and is a rooster sequence in which C of nucleotide number 60556 is T.
- Example 16 The compound of Example 16 was synthesized in the same manner as in Example 1 (7.9 A 260 units). However, as the non-natural type phosphoramidite, Example 14 of Patent No. 342098 (5′-0-dimethoxytrityl-2′-0,4′-C-ethylene-6-N-benzoyladenosine- 3, -0- (2-cyanoethyl ⁇ , ⁇ -diisopropyl) phosphoramidite) was used. This compound was identified by negative ion ESI mass spectrometry (calculated value: 8501.63, measured value: 8500.70).
- the nucleotide sequence of this compound is the sequence of nucleotide numbers 60529-60556 described in GenBank accession No. AL935325.
- the compound of Reference Example 17 was synthesized in the same manner as in Example 1 (9.7 A 260 units), and as a non-sky key phosphoramidite, the compound of Example 14 (5′-0-dimethoxypropyl) of Patent No. 342098 was used. Lityl -2 '-0,4, -C -ethylene-6-N-benzoyladenosine-3, -0_ (2-cyanoethyl N, N-diisopropyl) phosphoramidite) was used. This compound was identified by negative ion ESI mass spectrometry (calculated value: 8516.64, measured value: 8517.14).
- nucleotide sequence of this compound is the sequence of nucleotide numbers 60529-60556 described in GenBank accession NO.AL935325, wherein C at nucleotide number 60556 is T.
- Example 18 Compound of Example 18 was synthesized in the same manner as in Example 1 (7.2 A 26. Units) 0
- Example 14 of Japanese Patent No. 3420984 (5 '-0- dimethoxytrityl -2'-0,4, -C-ethylene-6-N-benzoyladenosine-3'-0- (2-cyanoethyl N, N-diisopropyl) phosphoramidite) was used.
- This compound was identified by negative ion ESI analysis (calculated value: 8501.63, measured value: 8501.65).
- the nucleotide sequence of this compound is the sequence of nucleotide numbers 60529-60556 described in GenBank accession No. AL935325.
- reverse primer and human DNA were prepared from Proligo's TrueS P Demo Kit according to the same protocol. used.
- the nucleotide sequence of the reverse primer corresponds to nucleotide numbers 26588-26605 of GenBank accession No. M17262), and is as follows.
- Reverse primer 1.3 ⁇ L, Premix Taq (S 3i3 ⁇ 4) 12.5 u Human DNA solution 1 ⁇ !, sterile water
- the solution containing 5.2 ill was subjected to a PCR reaction (Hot Start method) using Takara PCR Thermal Cycler PERSONAL (TP240).
- the reaction cycle consists of 94 ° C for 10 minutes, 94 ° C for 1 minute, 63 ° C1
- the reaction at 72 ° C. for 1 minute was repeated 31 cycles.
- Add 1 zL of loading solution to Anti] ⁇ Solution 5 perform 10% polyacrylamide gel electrophoresis (lxTBE; constant voltage of 200V, about 1 hour), and use SYBR Green I (Cambrex®). After staining, bands were visualized using Molecular Imager FX Fluoresent Imager system (Bio-Rad) and quantified using Quantitative One software (Bio-Rad).
- Figure 5 shows the results.
- the compound described in Example 1 was able to sculpt the target residue (216 bp) 0-fold amplification. With the compound described in Example 2, no amplification residue of the desired residue (216 bp) was found.
- the compound described in Example 2 is used as a forward primer, the compound described in Reference Example 2 is not only the compound described in Example 1 but the compound described in Reference Example 2 is a natural gene. The amplified pigeon was recognized, and gene amplification due to mismatch occurred.
- Fig. 6 shows an example of using Premix EX Taq (Takara Shuzo) instead of Premix Taq (Takara Shuzo $ 1).
- Premix EX Taq Takara Shuzo
- the fluorescence intensity of the detected band was digitized and plotted as shown in FIG.
- the compounds described in Examples 9 and 10 were obtained when the LNA unit was introduced from the third position to the third position.
- the conjugate of Example 10 was used as the forward primer, amplification of the residual ⁇ ?
- the compound of Example 2 was used as the forward primer, in which the unit was introduced third from the 3 'end, the amplification of the residue due to mismatch was only 6%, and the It became clear that there was little mismatch and no selectivity.
- the solution was analyzed in minutes) by a meter (U-3000, manufactured by Hitachi, Ltd.). The absorbance at a wavelength of 260 nm was measured with), and the concentration was adjusted to 25 ng / ⁇ 1 by adding sterile water to obtain a genome DNA.
- the polymorphism within the promoter of the Angiopoietin-like protein 3 gene has a polymorphism as shown in Figure 8 based on the results of direct sequence.
- FIG. 8 shows that the mouse AKR strain has a polymorphism in which two assaults (CA) indicated by “:” are deleted, as compared with the mouse KK / Nga strain and KR / Snk strain.
- CA assaults
- the reverse primer in PCR has the following sequence:
- the nucleotide sequence of this compound is a sequence complementary to nucleotide numbers 60658-60682 described in GenBank accession No. AL935325.
- Reverse primer 1.25 ⁇
- 5 UL Premix Taq (Takara Shuzo Genomic DNA solution (100 ng / 1 L) 0.125 Sterile water 2.38 L using TakaraPCR'Thermal Cycler PERSONAL (TP240) for PCR reaction (Hot Start method) After a heat treatment at 94 ° C for 10 minutes, a cycle of 94 ° C, 631 minutes, and 72 ° C 1 minute was repeated 30 times.
- Fig. 9-A shows the results of using genomic DNA (AKR) derived from mouse AKRstrain as an indicator.
- the compound (Example 3) used as the forward primer was able to selectively amplify the gene (152 bp). I found out. '
- FIG. 91 shows the case where genomic DNA (KK / Nga) derived from KK mouse Nga strain was used for ⁇ .
- genomic DNA KK / Nga
- the compound described in Example 4 was most efficiently and selectively used as the forward primer. It was found that the gene (154 bp) could be amplified.
- genomic DNA of AKR genomic DNA of KK / Nga
- genomic DNA of KK mouse Snk strain KK / Snk
- AKR uses the compound described in Difficult Example 3 as a forward primer and is selectively amplified.
- KK / Nga and KK Snk the compound described in Example 4 is used. When the compound was used as a forward primer, significant gene amplification was observed.
- oligomers were excised from the book by treating protected oligonucleotides having the target sequence with concentrated aqueous ammonia, and the protecting group on the phosphorus atom and the protecting group on the nucleus were removed.
- the nucleotide sequence of this compound (primer A) is the sequence of nucleotide numbers 60499-60523 described in GenBank accession No. AL935325.14, wherein C of nucleotide number 60522 is T, and A of nucleotide number 60523 is G It is an array that is.
- the donkey sequence of the present compound is the sequence of nucleotide number 60499-60523 described in GenBank accession No. AL935325.14, and is a sequence in which C of nucleotide number 60522 is T. '
- Primer C (Hereinafter, referred to as “Primer C”) was synthesized in the same manner as in Example 1 and identified by MALDI-T0F mass spectrometry (calculated value: 765.0, measured value: 765.4).
- the nucleotide sequence of this compound (primer C) is the sequence of nucleotide numbers 60499-60523 described in GenBank accession No. AL935325.14, wherein C of nucleotide number 60522 is G and A of nucleotide number 60523 is G The array is G.
- nucleotide sequence of this compound is the sequence of nucleotide number 60499-60523 described in GenBank accession No. AL935325.14, wherein C in nucleotide number 60522 is G.
- Primer I E (Hereinafter referred to as “Primer I E”) was synthesized by a conventional method using a nucleic acid automatic synthesis method.
- the nucleotide sequence of the present compound (primer E) is the sequence of nucleotide number 60499-60523 described in GenBank accession No. AL935325.14, wherein C of nucleotide number 60522 is T, and the nucleotide number is 60523 is a sequence in which A is G, and is shown in SEQ ID NO: 7 in the sequence listing.
- plug one more F was synthesized by a conventional method using a nucleic acid automatic synthesizer did.
- the nucleotide sequence of this compound (primer-F) is the sequence of nucleotide number 60499-60523 described in GenBank accession No. AL935325. It is shown in SEQ ID NO: 8 in the sequence listing.
- Primer G The M sequence is the sequence of nucleotide numbers 60499 to 60523 described in GenBank accession No.AL935325.14, wherein C at nucleotide number 60522 is G and A at nucleotide number 60523 is G And is shown in SEQ ID NO: 9 in the sequence listing. (Binding example 22)
- the 3 ⁇ 4S sequence of primer H is the sequence of nucleotide number 60499-60523 described in GenBankaccession No.AL935325.14, in which C of nucleotide number 60522 is G, and is shown in SEQ ID NO: 10 in the sequence listing. Have been.
- a tail (1.5 cm) collected from a mouse fiber strain (strain) and a KK mouse Nga strain (strain) derived from a mouse (4 weeks old) was treated with 8401 scythe (7201 1XSSC, 801 10% SDS, (Containing 1 l of OmgZml proteinase K), and the mixture was shaken for 1 Bj while keeping the temperature at 50 ° C.
- 8401 scythe 7201 1XSSC, 801 10% SDS, (Containing 1 l of OmgZml proteinase K)
- 20 mg of 1 mgZm 1 ribonuclease A was added, and the mixture was incubated at 50 ° C for 1 hour.
- phenol-form extraction with chloroform was performed twice, and ethanol operation was performed once, to obtain 1 OmM tris: «(pH 7.5), ImM E
- the nucleotide sequence of Reno's Primer is:
- nucleotide sequence of this compound is a sequence complementary to the nucleotide numbers 60658-60682 described in GenBank accession NO.AL935325.
- genomic DNA derived from the mouse AKR strain was amplified when primer A was used as the primer.
- gene amplification was observed when primer B was used as the primer.
- the target gene product was amplified in the genomic DNA derived from the mouse AKR strain when primer G was used as the primer, but primer H was not used.
- primer was used as the primer, an amplification product which was considered to be a by-product smaller than the target size was obtained.
- genomic DNA derived from the KK mouse Nga strain when Primer-H is used as Primer, it is considered that not only the target gene product but also a by-product with a smaller chain length than the target An amplification product was obtained.
- genomic DNA derived from mouse AKR strain was amplified using primer C as a primer, and genomic DNA derived from KK mouse Nga strain. In, the amplification of this product using Primer D as a primer was enigmatic.
- polymorphism detection capability is provided.
- the use of the method for detecting a 5 ′ polymorphism of the present invention makes it possible to more accurately detect the polymorphism as compared with the case where a natural oligonucleotide is used.
- various gene polymorphisms can be detected by an oligonucleotide for detecting a ⁇ -polymorphism and a kit for detecting a polymorphism containing the oligonucleotide, which can be used in the method.
- the present invention can be used in various industries such as medical care, difficulties, foods, and industries, but the industrial field is not limited as long as it requires detection of a genetic polymorphism. '
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Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE602004015832T DE602004015832D1 (de) | 2003-11-07 | 2004-11-04 | Verfahren zum nachweis von genetischem polymorphismus |
| EP04799608A EP1688493B1 (en) | 2003-11-07 | 2004-11-04 | Method of detecting genetic polymorphism |
| US10/577,982 US7906639B2 (en) | 2003-11-07 | 2004-11-04 | Oligonucleotides having a 2′-O,4′-C-ethylene nucleotide in the third position of the 3′-end |
| DK04799608T DK1688493T3 (da) | 2003-11-07 | 2004-11-04 | Fremgangsmåde til detektering af genetisk polymorfisme |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-378039 | 2003-11-07 | ||
| JP2003378039 | 2003-11-07 | ||
| JP2004-121080 | 2004-04-16 | ||
| JP2004121080 | 2004-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005045033A1 true WO2005045033A1 (ja) | 2005-05-19 |
Family
ID=34575925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/016715 Ceased WO2005045033A1 (ja) | 2003-11-07 | 2004-11-04 | 遺伝子多型の検出方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7906639B2 (ja) |
| EP (1) | EP1688493B1 (ja) |
| AT (1) | ATE404697T1 (ja) |
| DE (1) | DE602004015832D1 (ja) |
| DK (1) | DK1688493T3 (ja) |
| ES (1) | ES2313104T3 (ja) |
| TW (1) | TW200530396A (ja) |
| WO (1) | WO2005045033A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1992703A4 (en) * | 2006-03-13 | 2010-03-31 | Wako Pure Chem Ind Ltd | METHOD FOR DETECTING A MUTANT GENE |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6150440B2 (ja) * | 2012-06-18 | 2017-06-21 | 第一三共株式会社 | ヌクレオシド類縁体の製造中間体及びその製造方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3756313B2 (ja) | 1997-03-07 | 2006-03-15 | 武 今西 | 新規ビシクロヌクレオシド及びオリゴヌクレオチド類縁体 |
| US6794499B2 (en) | 1997-09-12 | 2004-09-21 | Exiqon A/S | Oligonucleotide analogues |
| KR100414936B1 (ko) | 1997-09-12 | 2004-01-13 | 엑시콘 에이/에스 | 이환 및 삼환 뉴클레오시드, 뉴클레오타이드 및올리고뉴클레오타이드 동족체 |
| US7572582B2 (en) | 1997-09-12 | 2009-08-11 | Exiqon A/S | Oligonucleotide analogues |
| DE1051515T1 (de) * | 1998-01-27 | 2001-04-19 | Cytocell Ltd., Banbury | Modifizierte nuklein-säure sonden und dessen verwendungen |
| NZ513402A (en) | 1999-02-12 | 2003-06-30 | Sankyo Co | Novel nucleosides and oligonucleotide analogues |
| US7084125B2 (en) | 1999-03-18 | 2006-08-01 | Exiqon A/S | Xylo-LNA analogues |
| US20010034023A1 (en) * | 1999-04-26 | 2001-10-25 | Stanton Vincent P. | Gene sequence variations with utility in determining the treatment of disease, in genes relating to drug processing |
| PT1178999E (pt) | 1999-05-04 | 2007-06-26 | Santaris Pharma As | Análogos de l-ribo-lna |
| JP4151751B2 (ja) | 1999-07-22 | 2008-09-17 | 第一三共株式会社 | 新規ビシクロヌクレオシド類縁体 |
| TW200540180A (en) | 2004-05-28 | 2005-12-16 | Sankyo Co | Telomerase inhibitor ena oligonucleotide |
-
2004
- 2004-11-04 US US10/577,982 patent/US7906639B2/en not_active Expired - Fee Related
- 2004-11-04 DK DK04799608T patent/DK1688493T3/da active
- 2004-11-04 ES ES04799608T patent/ES2313104T3/es not_active Expired - Lifetime
- 2004-11-04 WO PCT/JP2004/016715 patent/WO2005045033A1/ja not_active Ceased
- 2004-11-04 EP EP04799608A patent/EP1688493B1/en not_active Expired - Lifetime
- 2004-11-04 DE DE602004015832T patent/DE602004015832D1/de not_active Expired - Lifetime
- 2004-11-04 AT AT04799608T patent/ATE404697T1/de not_active IP Right Cessation
- 2004-11-05 TW TW093133725A patent/TW200530396A/zh unknown
Non-Patent Citations (3)
| Title |
|---|
| KOIZUMI M. ET AL.: "Triplex formation with 2'-0,4'-C-ethylene-bridged nucleic acids (ENA) having C3'-endo conformation at physiological pH", NUCLEIC ACID RES., vol. 31, no. 12, June 2003 (2003-06-01), pages 3267 - 3273, XP002983731 * |
| MATSUO M. ET AL.,: "Kosei rodosho seishin.shinkei shikkan kenkyu itakuhi ni yoru kenkyu hokokushu", HEISEI 14 NENDO, June 2003 (2003-06-01), pages 590, XP002989328 * |
| MORITA K. ET AL.: "2'-0,4'-C-ethylene-bridged nucleic acids (ENA): highly nuclease-resistant and thermodynamically stable oligonucleotides for antisense drug", BIOORG. MED. CHEM. LETT., vol. 12, no. 1, 2002, pages 73 - 76, XP002290399 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1992703A4 (en) * | 2006-03-13 | 2010-03-31 | Wako Pure Chem Ind Ltd | METHOD FOR DETECTING A MUTANT GENE |
| US9234247B2 (en) | 2006-03-13 | 2016-01-12 | Wako Pure Chemical Industries, Ltd. | Method for detection of mutant gene |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070009897A1 (en) | 2007-01-11 |
| EP1688493A1 (en) | 2006-08-09 |
| TW200530396A (en) | 2005-09-16 |
| US7906639B2 (en) | 2011-03-15 |
| ATE404697T1 (de) | 2008-08-15 |
| DK1688493T3 (da) | 2008-11-17 |
| EP1688493A4 (en) | 2007-06-20 |
| ES2313104T3 (es) | 2009-03-01 |
| EP1688493B1 (en) | 2008-08-13 |
| DE602004015832D1 (de) | 2008-09-25 |
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