WO2004072302A1 - 発現遺伝子検出のためのシグナル増幅方法 - Google Patents
発現遺伝子検出のためのシグナル増幅方法 Download PDFInfo
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- WO2004072302A1 WO2004072302A1 PCT/JP2004/001588 JP2004001588W WO2004072302A1 WO 2004072302 A1 WO2004072302 A1 WO 2004072302A1 JP 2004001588 W JP2004001588 W JP 2004001588W WO 2004072302 A1 WO2004072302 A1 WO 2004072302A1
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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
- C12Q1/6813—Hybridisation assays
- C12Q1/6816—Hybridisation assays characterised by the detection means
- C12Q1/682—Signal amplification
Definitions
- the present invention relates to a clear signal amplification method for detecting an expressed gene, and more particularly, to the detection sensitivity using a self-assembly reaction by an oligonucleotide.
- the detection of expressed genes using a DNA chip involves the use of primers having only poly dT or random primers, and incorporating nucleic acids labeled with fluorescent substances such as Cy3 and Cy5 by reverse transcription reaction.
- the labeled cDNA is used as a probe.
- it is common to synthesize antisense RNA using a linear amplification method for a small amount of sample for example, Yoshihide Hayashizaki, “DNA Microarray Practical Manual,” Yodosha, January 1, 2000 Day, see p. 80—90.).
- the second-strand cDNA is synthesized using three types of enzymes, RNase H, DNA polymerase I, and DNA ligase, and finally the RNA polymerase is synthesized.
- HCP HeneyComb Probe
- HCP Be alternation link self-assembly reaction
- PALS AR method The method of forming an aggregate by the self-assembly reaction. Disclosure of the invention
- the present invention does not require expensive enzymes, it can be detected in a short time by an inexpensive and easy operation, and since the linear amplification method and the PCR method are not used, the length and expression amount of the original RNA can be reduced. It is an object of the present invention to provide a signal amplification method for detecting an expressed gene that enables corresponding detection.
- the first embodiment of the signal amplification method for detecting an expressed gene of the present invention utilizes a reverse transcription reaction and a self-assembly reaction for forming a self-assembly by self-assembly of oligonucleotide probes.
- the present invention improves the detection sensitivity of expressed genes in DNA chips, DNA microarrays, microwells, or spherical beads (in the present invention, DNA chips, DNA microarrays, microwells, or spherical beads are collectively referred to as DNA chips). It is characterized by that.
- the second embodiment of the signal amplification method for detecting an expressed gene of the present invention This is a method for improving the detection sensitivity of an expressed gene on a DNA chip by using a transcription reaction and a self-assembly reaction to form a self-assembly by self-assembly of oligonucleotide probes. Performing a reverse transcription reaction of mRNA using a first probe having a region capable of hybridizing to the oligonucleotide probe as a primer, to form a second probe having a cDNA region.
- Dissociating the mRNA from the second probe hybridizing the second probe to a capture probe having a region complementary to the cDNA region of the target mRNA; and A step of forming a self-assembly by a self-assembly reaction using an oligonucleotide probe.
- the step of performing the step of forming a self-assembly by the self-assembly reaction is not particularly limited, but is preferably performed after the step of hybridizing the second probe to the capture probe.
- each oligonucleotide of a pair of oligonucleotides of No. 1 and No. 2 is divided into three regions: 3, side region, central region, and 5 side region.
- a second system comprising a plurality of pairs of cross-linking probes each having a non-complementary base sequence in the 3, 3 side region and the 5 'side region of each oligonucleotide.
- a dimer formed from the dimer-forming probe is formed into a base sequence capable of cross-linking, and the probe is hybridized to use a self-assembly reaction in which oligonucleotides self-assemble to form a self-assembly. Can be.
- the nucleotide sequence of the above probe is determined by comparing the 3′-side region of the first system No. 1_ oligonucleotide and the 3′-side region of the second system No. 3—oligonucleotide; The 5 'region of the 2-oligonucleotide and the No. 4 oligonucleotide of the second system, the 5 side region of the oligonucleotide, the No. 3 of the second system, the 3' side region of the oligonucleotide and the 1st oligonucleotide No. 2—oligonucleotide 3 ′ side region of the second system, No. 3—oligonucleotide 5, side region of the second system, and No. 1—oligonucleotide 5 ′ side of the first system
- Each region can be a complementary base sequence.
- the nucleotide sequence of the above-described probe was determined by comparing the No. 1—oligonucleotide 3 ′ side region of the first system, the No. 3—oligonucleotide 3 ′ side region of the second system, and the No. 1 2—The 5 ′ region of the oligonucleotide and the No. of the second system. 3—The 5 ′ region of the oligonucleotide, the No. 2—The 3 ′ region of the oligonucleotide and the second region of the second oligonucleotide.
- No. 4 oligonucleotide 3 ′ side region of the first system, No. 1—oligonucleotide 5 ′ side region of the first system, and No. 4—oligonucleotide 5 ′ side of the second system
- Each region can be a complementary base sequence.
- the third embodiment of the signal amplification method for detecting an expressed gene according to the present invention includes a pair of oligos in which a reverse transcription reaction and a mutually complementary base sequence region are composed of n (n ⁇ 3) force points. Using multiple pairs of nucleotide and first HCPs and second HCPs, the hybridization was performed so as to intersect alternately.
- This method uses a self-assembly reaction in which oligonucleotides self-assemble to form a self-assembly, thereby improving the detection sensitivity of expressed genes on a DNA chip.
- a first probe having T and having at least a part of the base sequence region of the first HCP is bound to mRNA, and a reverse transcription reaction is carried out using a reverse transcriptase.
- the second probe After forming a second probe having at least a portion of the nucleotide sequence region and removing the mRNA, the second probe is hybridized to a capture probe having a region complementary to the cDNA region of the target mRNA. And adding the first HCP and the second HCP or the second HCP to form a self-assembly by a self-assembly reaction of the oligonucleotide, thereby amplifying the signal.
- mRNA containing poly A at the end can be used as the target expression gene.
- the DNA chip has a support for binding a capture probe for capturing a target gene, and the support may be a microplate type, a slide glass type, a fine particle type, or an electrically conductive substrate type. It is preferable to use such a support.
- Plastic, polystyrene, or the like can be used as the material of the microplate-type and fine-particle-type supports.
- a material such as glass or plastic can be used.
- Gold electrodes and ITO electrodes indium oxide electrodes
- the presence of the self-assembly can be detected by hybridizing a labeled probe to the self-assembly.
- the labeled probe is a labeled probe labeled with a chromogenic enzyme, a luminescent enzyme, or a radioisotope.
- a fluorescent substance having the property of binding to the nucleus and acid is added to the above self-assembly, The presence of the self-assembly can be detected by the photochemical change of the fluorescent substance.
- Oligonucleotides that form a self-assembly can be labeled in advance with a fluorescent substance, and the presence of the self-assembly can be detected by a photochemical change of the fluorescent substance.
- Oligonucleotides that form a self-assembly can be labeled with a radioisotope in advance, and the presence of the self-assembly can be detected by the radioisotope.
- Oligonucleotides that form a self-assembly can be labeled in advance with a chromogenic or luminescent enzyme, and the presence of the self-assembly can be detected by a photochemical change.
- the oligonucleotide is composed of a base selected from any of DNA, RNA, PNA and LNA.
- FIG. 1 is a flowchart showing an example of a process sequence of the signal amplification method of the present invention.
- FIG. 2 is a schematic diagram showing in principle Step 200 in a first example of the order of steps of the signal amplification method of the present invention.
- FIG. 3 is a schematic view showing in principle the step 202 in the first example of the process order of the signal amplification method of the present invention.
- FIG. 4 is a schematic view showing in principle a step 204 in the first example of the order of steps of the ferrule method of the present invention.
- FIG. 5 is a schematic view showing in principle the step 206 in the first example of the step order of the signal amplification method of the present invention.
- FIG. 6 shows the steps in the first example of the step order of the signal amplification method of the present invention.
- FIG. 2 is a schematic view showing the principle of the step 210.
- FIG. 7 is a schematic diagram showing, in principle, Step 2 12 in the first example of the order of steps of the signal amplification method of the present invention.
- FIG. 8 is a schematic diagram showing, in principle, Step 2 14 in the first example of the order of steps in the signal amplification method of the present invention.
- FIG. 9 is a schematic view showing in principle Step 300 in the second example of the order of steps of the signal amplification method of the present invention.
- FIG. 10 is a schematic view showing in principle the step 302 in the second example of the step order of the signal amplification method of the present invention.
- FIG. 11 is a schematic diagram showing in principle the step 304 in the second example of the step order of the signal amplification method of the present invention.
- FIG. 12 is a schematic view showing in principle Step 3 • 6 in the second example of the step order of the signal amplification method of the present invention.
- FIG. 13 is a graph showing the results of Example 1 and Comparative Example 1. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a flowchart showing an example of the order of steps in a signal amplification method for detecting an expressed gene of the present invention.
- a first probe having a poly dT at its terminus and having a region that can hybridize with at least one of the oligonucleotide probes used for the self-assembly reaction Prepare Using the first probe as a primer, the first probe is bound to polyRNA-containing niRNA, and a reverse transcription reaction of mRNA is performed with a reverse transcriptase (Step 100).
- W 200 a reverse transcriptase
- the base sequence on the 5 ′ side of the first probe be configured to have at least a part of the base sequence of the oligonucleotide probe used in the self-assembly reaction.
- the mRNA is dissociated from the second probe (step 102).
- the method for dissociating mRNA is not particularly limited, and examples thereof include a method using thermal denaturation, denaturation with RNA, RNA digestion with RNAse H, and the like.
- the dissociated second probe is hybridized to a capture probe having a region complementary to the cDNA region of the target mRNA to capture the second probe (step 104). It is preferable to bind the capture probe to the support in advance.
- the oligonucleotide probe is added, and a self-assembly reaction is performed to form a self-assembly hybridized with the second probe (step 106), thereby amplifying the signal.
- the target mRNA is not present in the sample, no signal amplification is performed because the second probe does not bind to the capture probe. Therefore, the presence of the target mRNA can be confirmed by the signal amplification method of the present invention.
- the signal amplification method of the present invention does not use the linear amplification method, so that detection corresponding to the length of the original RNA is possible, and since the PCR method is not used, signal amplification corresponding to the expression level can be performed. It can be carried out.
- a self-assembly reaction As a self-assembly reaction, a self-assembly reaction by a pair of HCPs composed of three regions complementary to each other and capable of self-assembly to form an aggregate is disclosed (Japanese Patent No. 326 7576, Japanese Patent No. 33'1). No. 0662, etc.) can be used. Also, a self-assembly reaction by a pair of dimer-forming probes forming a dimer by themselves and a pair of cross-linking probes capable of cross-linking a dimer formed from the dimer-forming probe (Japanese Patent Application Laid-Open No. -See 3-55081. ) Can also be used.
- FIG. 1 shows an example in which step 106 is performed after step 104, step 106 can be performed before step 104 or simultaneously with step 104.
- FIGS. 2 to 8 are schematic views showing in principle a first example of the signal amplification method for detecting an expressed gene of the present invention in the order of steps.
- the first example is a signal amplification method using a PAL SAR method using a pair of HCPs previously labeled with a fluorescent substance 22 as a self-assembly reaction.
- An example in the case of using HCP containing poly dT at the end is shown.
- the first probe 12a contains poly dT at the 3 ′ end and has three HCP regions on the 5 ′ side.
- Prepare an oligonucleotide 'probe (HCP-1) (step 200) and, as shown in Fig. 3, include a poly (! Cho at the 3' end of the poly A tail of the mRNA 10a !! (Step 202)
- reverse transcription reaction is performed using reverse transcriptase, and the HCP having an mRNA complementary sequence is synthesized.
- the mRNA lOa is dissociated into a single-stranded oligonucleotide consisting of a cDNA region and an HCP region (step 204). 20 6).
- a capture probe 16a having a region complementary to the cDNA of the target gene 16a was bound to the support 18 (step 210), and as shown in FIG.
- the second probe 14a which is the HCP having the cDNA region formed above, was hybridized to the capture probe 16a (step 2 12), and as shown in FIG.
- One HCP (HCP-2) is added to form a self-assembly 20a by a self-assembly reaction (Step 2 14), and signal amplification can be performed.
- Step 20 6 above When the target mRNA is removed, if a washing operation is performed, it is necessary to add a pair of HCPs in the above step 214.
- FIGS. 9 to 12 are schematic diagrams showing in principle a second example of the order of steps of the signal amplification method for detecting an expressed gene of the present invention.
- the second example is a signal amplification method using a PAL SAR method using a pair of HCPs not labeled with a fluorescent substance as a self-assembly reaction. Shows an example in which an oligonucleotide probe containing poly dT and one complementary region of HCP is used.
- the first probe 12b contains poly dT at the 3 ′ end and one HCP complementary region on the 5, side.
- An oligonucleotide having a probe is prepared (step 300), and as shown in FIG. 10, the oligonucleotide probe 12b is bound to the poly A tail portion of mRNA 10b, and reverse transcriptase is used.
- a reverse transcription reaction is performed to prepare a second probe 14b having a complementary sequence of mRNA (step 302).
- the mRNA lOb is dissociated into a single-stranded oligonucleotide containing a cDNA region and an HCP region.
- the second probe 14 b was hybridized to the capture probe 16 b bound to the support 18 (step 304), and as shown in FIG. HCP was added to form a self-assembly 20b by a self-assembly reaction (Step 306), and an intercalator 24 and the like were inserted into the formed self-assembly 20b (Step 308), Signal amplification can be performed. Note that step 3 06 and step 3 08 It is also possible to do.
- the probe as a labeling substance for the pre-detection, for example, I 1 2 5 and P 3 2, etc. radioisotopes, Jigokishige Yun Ya Akurijiniumu. Emission esters substances or C y 3 ⁇ C y 5
- fluorescent dyes such as biotin for using 4-methylpumbelliferyl phosphate, etc., and a donor dye and an acceptor fluorescent dye for using fluorescence resonance energy transfer (FRET). It is also possible to detect target genes.
- the target gene can be detected. It is preferable to detect the target gene using a fluorescent substance having a property of binding to a nucleic acid such as an intercalator.
- the fluorescent substance is not particularly limited as long as it has a property of binding to a nucleic acid.
- examples include SYBR Green I stain, SYBR Green ll stain, SYBR Green Gold stain ⁇ vistra reen stain, Gebar stain, Radiant Red stain , PicoGreen, Eiboureen, 011Green, Hoechst 33258 (Bis-Benzimide), Propidium Iodide, YO -PRO-1 lodide YO-PRO-3 Iodide (Molecular Probes) Acridine Orange, AOAO (homodimer) and the like can be used.
- the nucleic acid constituting the above-mentioned pair of oligonucleotides is usually composed of DNA or RNA, but may be a nucleic acid analog.
- nucleic acid analogs for example, peptide nucleic acids (PNA, for example, see WO92 / 07702 pamphlet) and Locked Nucleic Acid (LNA, for example, Koshkin AA et al. Tetrahedron 1998. 54, 3607-3630, Koshkin AA et al. J. Am. Chem. Soc. 1998. 120, 13252-13253, and Wahlestedt C et al. PNAS. 2000. 97, 5633-5638.).
- PNA peptide nucleic acids
- LNA Locked Nucleic Acid
- the loops are usually composed of the same type of nucleic acid, but for example, DNA probes and RNA probes can be paired. That is, the type of the nucleic acid of the probe can be selected from DNA, RNA, or a nucleic acid analog (for example, PNA or LNA).
- the nucleic acid composition in one probe does not need to be composed of only one kind, for example, only DNA. If necessary, for example, an oligonucleotide probe (chimera probe) composed of DNA and RNA is used. It is also possible and included in the present invention.
- each complementary base sequence region of the oligonucleotide probe is at least 5 bases in terms of the number of bases, preferably 10 to 100 bases, and more preferably 15 to 30 bases.
- probes can be synthesized by a known method.
- a DNA probe it can be synthesized by a phosphoramidite method using a DNA synthesizer type 394 from Applied Biosystems Inc.
- a phosphoric triester method there are a phosphoric triester method, an H-phosphonate method, a thiophosphonate method, etc., but any method may be used.
- a pair of HCPs having a complementary region to a target gene captured by a DNA chip forms a self-assembly.
- the number of oligonucleotide probes to be used is not particularly limited, used in the range of 1 0 2-10 15 present.
- the composition and concentration of the reaction buffer are not particularly limited, and ordinary buffers commonly used for nucleic acid amplification can be suitably used.
- the pH is also suitable within the usual range, and preferably a pH in the range of 7.0 to 9.0 can be used.
- the reaction temperature is 40-80 ° C, preferably 55-65 ° C.
- any sample that may contain the nucleic acid can be applied.
- the target gene may be appropriately prepared or isolated from a sample, and is not particularly limited.
- blood blood Biological samples such as serum, urine, feces, cerebrospinal fluid, tissue fluid, cell culture, etc., samples that may contain or be infected with any eukaryote having mRNA containing a poly A chain at the end of mold, etc. And the like.
- a nucleic acid obtained by amplifying a target gene in a sample by a known method can be used.
- Target gene Tota1 RNA extracted from cultured cells
- Capture probe Capture probe
- HC P-1 (5 'end Cy 3 label, 60 m er): 5'-Cy3 "CGCCGGA GATATCTATATGCCCGGTATCACAAAGTATCCGGACGTTATAAGGGCG AACTC-3'
- HC P-2 (5 'end Cy 3 label, 60 m er): 5'-Cy3-GCATATA GATATCTCCGGCGCGGATACTTTGTGATACCGGGAGTTCGCCCTTATA ACGTC-3'
- Polystyrene particle beads One type of particle beads Fixed capture probe
- a reverse transcription reaction was performed at 37 ° C for 2 hours using the target gene, the first probe, reverse transcriptase (SuperScriptll: manufactured by Invitrogen), and a reaction solution (Reaction Buffer, DTT, dNTP, RNase inhibitor). . Thereafter, alkali treatment was performed at 65 ° C for 30 minutes, and neutralization was performed using hydrochloric acid.
- the cDNA which is a reverse transcript, was purified using QIAquick PCR Purification Kit (Qiagen).
- the composition of [the obtained cDNA, the above-mentioned particle beads, 6XSSC, 0.2% SDS, 5X Denhardt solution] was adjusted to a total volume of 5 OL, and hybridized at 42 ° C for 2 hours. Did a demonstration. After completion, the mixture was filtered with a 0.22 ⁇ filter to remove unreacted probe, washed once with 2 ⁇ SSC + 0.1% SDS, once with 0.2 ⁇ SSC and filtered with the above filter.
- the washed particle beads were resuspended in a sheath solution for a flow cytometer, and the fluorescence of Cy3 labeled on HCP was measured by a flow site meter.
- the composition of [the obtained cDNA, the above-mentioned particle beads, 6XSSC, 0.2% SDS, and 5X Denhardt solution] was adjusted so that the total amount became 5 OL, and the temperature was changed to 42 ° C for 2 hours. High predication was performed. After completion, the mixture was filtered with a 0.22 ⁇ filter to remove unreacted probe, and washed and filtered once with 2 ⁇ SSC + 0.1% SDS.
- the washed particle beads were resuspended in a sheath solution for a flow cytometer, and the fluorescence of Cy3 labeled on the cDNA bound to the capture probe on the particle beads was measured by a flow cytometer.
- Example 1 The results of Example 1 and Comparative Example 1 are shown in FIG.
- the fluorescence intensity the fluorescence intensity of 203 to 504 particle beads of each type was measured and the median value was shown.
- the detection sensitivity of Example 1 was significantly improved as compared with Comparative Example 1.
- the detection can be performed in a short time with an inexpensive and easy operation. Since no method is used, a significant effect is achieved in that detection can be performed according to the length and expression level of the original RNA.
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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CA2515734A CA2515734C (en) | 2003-02-14 | 2004-02-13 | Signal amplification method for detecting expressed gene |
KR1020057012669A KR101050510B1 (ko) | 2003-02-14 | 2004-02-13 | 발현 유전자 검출을 위한 신호 증폭 방법 |
CN200480003402.1A CN1745180B (zh) | 2003-02-14 | 2004-02-13 | 用于表达基因检测的信号扩增方法 |
US10/543,683 US20060035235A1 (en) | 2003-02-14 | 2004-02-13 | Signal amplification method for detecting expressed gene |
JP2005505011A JP4351210B2 (ja) | 2003-02-14 | 2004-02-13 | 発現遺伝子検出のためのシグナル増幅方法 |
EP04710967A EP1593746B1 (en) | 2003-02-14 | 2004-02-13 | Signal amplification method for detecting expressed gene |
AU2004212083A AU2004212083B2 (en) | 2003-02-14 | 2004-02-13 | Signal amplification method for detecting expressed gene |
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JP2003037212 | 2003-02-14 | ||
JP2003-037212 | 2003-02-14 |
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US (1) | US20060035235A1 (ja) |
EP (1) | EP1593746B1 (ja) |
JP (1) | JP4351210B2 (ja) |
KR (1) | KR101050510B1 (ja) |
CN (1) | CN1745180B (ja) |
AU (1) | AU2004212083B2 (ja) |
CA (1) | CA2515734C (ja) |
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Cited By (5)
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WO2007108378A1 (ja) | 2006-03-15 | 2007-09-27 | Eisai R & D Management Co., Ltd. | シグナルプローブポリマーの形成方法 |
JPWO2006093097A1 (ja) * | 2005-02-28 | 2008-08-07 | エーザイ・アール・アンド・ディー・マネジメント株式会社 | アシストプローブ及びその利用方法 |
US7862998B2 (en) | 2005-02-28 | 2011-01-04 | Eisai R&D Management Co., Ltd. | Assist probe and method of using the same |
WO2013172305A1 (ja) | 2012-05-15 | 2013-11-21 | エーザイ・アール・アンド・ディー・マネジメント株式会社 | Rnaの検出方法及び検出用キット |
JP2020000157A (ja) * | 2018-06-29 | 2020-01-09 | 積水メディカル株式会社 | siRNAの定量方法 |
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US8450058B2 (en) * | 2007-08-14 | 2013-05-28 | Eisai R&D Management Co., Ltd. | Method of detecting target substance |
CN109147869B (zh) * | 2017-06-28 | 2021-10-22 | 上海思路迪生物医学科技有限公司 | 基因检测产品探针分管组合的优化方法、装置及系统 |
KR20200132494A (ko) | 2019-05-17 | 2020-11-25 | 주식회사 향한 | 판재 측면 코팅방법 |
KR20200132496A (ko) | 2019-05-17 | 2020-11-25 | 주식회사 향한 | 판재 측면 코팅장치 |
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WO2002018642A1 (en) * | 2000-08-30 | 2002-03-07 | Sanko Junyaku Co., Ltd. | Method of detecting gene |
JP2002355081A (ja) * | 2001-03-21 | 2002-12-10 | Sanko Junyaku Kk | オリゴヌクレオチドによる自己集合体の作製方法及び遺伝子の検出方法 |
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JP3310662B2 (ja) * | 2000-03-31 | 2002-08-05 | 三光純薬株式会社 | プローブポリマー作製用プローブ、プローブポリマーの作製方法及びその利用 |
ATE341647T1 (de) * | 2000-10-11 | 2006-10-15 | Sanko Junyaku Kk | Verfahren zur konstruktion von selbstassembierenden sonden und verfahren zu ihrer detektion |
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JP2002355081A (ja) * | 2001-03-21 | 2002-12-10 | Sanko Junyaku Kk | オリゴヌクレオチドによる自己集合体の作製方法及び遺伝子の検出方法 |
JP2003061679A (ja) * | 2001-08-29 | 2003-03-04 | Sanko Junyaku Kk | オリゴヌクレオチドの巨視的な自己集合体の検出方法及びその形成方法。 |
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JPWO2006093097A1 (ja) * | 2005-02-28 | 2008-08-07 | エーザイ・アール・アンド・ディー・マネジメント株式会社 | アシストプローブ及びその利用方法 |
US7862998B2 (en) | 2005-02-28 | 2011-01-04 | Eisai R&D Management Co., Ltd. | Assist probe and method of using the same |
JP4616881B2 (ja) * | 2005-02-28 | 2011-01-19 | エーザイ・アール・アンド・ディー・マネジメント株式会社 | アシストプローブ及びその利用方法 |
WO2007108378A1 (ja) | 2006-03-15 | 2007-09-27 | Eisai R & D Management Co., Ltd. | シグナルプローブポリマーの形成方法 |
WO2013172305A1 (ja) | 2012-05-15 | 2013-11-21 | エーザイ・アール・アンド・ディー・マネジメント株式会社 | Rnaの検出方法及び検出用キット |
JP2020000157A (ja) * | 2018-06-29 | 2020-01-09 | 積水メディカル株式会社 | siRNAの定量方法 |
JP7161173B2 (ja) | 2018-06-29 | 2022-10-26 | 積水メディカル株式会社 | siRNAの定量方法 |
Also Published As
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US20060035235A1 (en) | 2006-02-16 |
CA2515734A1 (en) | 2004-08-26 |
KR20050103904A (ko) | 2005-11-01 |
EP1593746B1 (en) | 2013-01-09 |
CN1745180A (zh) | 2006-03-08 |
KR101050510B1 (ko) | 2011-07-20 |
EP1593746A1 (en) | 2005-11-09 |
JPWO2004072302A1 (ja) | 2006-06-01 |
JP4351210B2 (ja) | 2009-10-28 |
CA2515734C (en) | 2013-04-09 |
AU2004212083B2 (en) | 2009-01-29 |
AU2004212083A1 (en) | 2004-08-26 |
CN1745180B (zh) | 2013-03-13 |
EP1593746A4 (en) | 2007-12-12 |
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