HK1250747A1 - 用於次要等位基因和多态性的监定和定量的多重化方法 - Google Patents

用於次要等位基因和多态性的监定和定量的多重化方法 Download PDF

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Publication number
HK1250747A1
HK1250747A1 HK18110098.0A HK18110098A HK1250747A1 HK 1250747 A1 HK1250747 A1 HK 1250747A1 HK 18110098 A HK18110098 A HK 18110098A HK 1250747 A1 HK1250747 A1 HK 1250747A1
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Hong Kong
Prior art keywords
nucleic acid
acid species
chain terminating
minor
major
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HK18110098.0A
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English (en)
Chinese (zh)
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Anders Olof Herman Nygren
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Agena Bioscience, Inc.
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Publication of HK1250747A1 publication Critical patent/HK1250747A1/zh

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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING 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
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6813Hybridisation assays
    • C12Q1/6827Hybridisation assays for detection of mutation or polymorphism
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING 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
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6844Nucleic acid amplification reactions
    • C12Q1/6858Allele-specific amplification
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING 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
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6844Nucleic acid amplification reactions
    • C12Q1/686Polymerase chain reaction [PCR]

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • General Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
HK18110098.0A 2015-04-24 2016-04-22 用於次要等位基因和多态性的监定和定量的多重化方法 HK1250747A1 (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562152697P 2015-04-24 2015-04-24
US62/152,697 2015-04-24
US201662280951P 2016-01-20 2016-01-20
US62/280,951 2016-01-20
PCT/US2016/028971 WO2016172571A1 (en) 2015-04-24 2016-04-22 Multiplexed method for the identification and quantitation of minor alleles and polymorphisms

Publications (1)

Publication Number Publication Date
HK1250747A1 true HK1250747A1 (zh) 2019-01-11

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Application Number Title Priority Date Filing Date
HK18110098.0A HK1250747A1 (zh) 2015-04-24 2016-04-22 用於次要等位基因和多态性的监定和定量的多重化方法

Country Status (8)

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US (5) US10233489B2 (https=)
EP (2) EP4001430A1 (https=)
JP (5) JP2018512880A (https=)
CN (2) CN114540470B (https=)
AU (1) AU2016250841A1 (https=)
CA (1) CA2983224A1 (https=)
HK (1) HK1250747A1 (https=)
WO (1) WO2016172571A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6040227B2 (ja) 2011-05-19 2016-12-07 アジーナ バイオサイエンス, インコーポレイテッド マルチプレックス核酸同定のための製品およびプロセス
US10640817B2 (en) 2015-04-24 2020-05-05 Agena Bioscience, Inc. Multiplex methods for detection and quantification of minor variants
AU2016250841A1 (en) 2015-04-24 2017-11-02 Agena Bioscience, Inc. Multiplexed method for the identification and quantitation of minor alleles and polymorphisms
US12188083B2 (en) 2018-06-01 2025-01-07 Agena Bioscience, Inc. Products and processes for nucleic acid detection and quantification
CN113466320B (zh) * 2021-08-06 2022-10-14 河北省食品检验研究院 一种针对乳粉中牛源性成分maldi-tof检测方法
KR102857507B1 (ko) * 2022-11-14 2025-09-10 명지대학교 산학협력단 무의 근피 색상 판별용 snp 마커 및 이의 용도
US12518859B2 (en) * 2023-07-26 2026-01-06 Helix, Inc. Systems and methods for providing test results of gene sequencing data on a recurring basis

Family Cites Families (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4711955A (en) 1981-04-17 1987-12-08 Yale University Modified nucleotides and methods of preparing and using same
DE3301833A1 (de) 1983-01-20 1984-07-26 Gesellschaft für Biotechnologische Forschung mbH (GBF), 3300 Braunschweig Verfahren zur simultanen synthese mehrerer oligonocleotide an fester phase
US5059654A (en) 1983-02-14 1991-10-22 Cuno Inc. Affinity matrices of modified polysaccharide supports
US4515781A (en) 1983-02-23 1985-05-07 The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services 2',5'-Riboadenylate-morpholinoadenylate nucleotides
US4582789A (en) 1984-03-21 1986-04-15 Cetus Corporation Process for labeling nucleic acids using psoralen derivatives
US4957858A (en) 1986-04-16 1990-09-18 The Salk Instute For Biological Studies Replicative RNA reporter systems
US5118605A (en) 1984-10-16 1992-06-02 Chiron Corporation Polynucleotide determination with selectable cleavage sites
JPH0779717B2 (ja) 1984-10-29 1995-08-30 マイクロジエニツクス コ−ポレ−シヨン タンパク質結合酵素相補性検定に関する方法
US5064754A (en) 1984-12-14 1991-11-12 Mills Randell L Genomic sequencing method
US4683195A (en) 1986-01-30 1987-07-28 Cetus Corporation Process for amplifying, detecting, and/or-cloning nucleic acid sequences
EP0260032B1 (en) 1986-09-08 1994-01-26 Ajinomoto Co., Inc. Compounds for the cleavage at a specific position of RNA, oligomers employed for the formation of said compounds, and starting materials for the synthesis of said oligomers
EP0269520A3 (fr) 1986-11-21 1988-08-24 Institut Pasteur Rétrovirus du type HIV-2 susceptible de provoquer le sida, et ses constituants antigéniques et nucléiques
US5037882A (en) 1987-03-11 1991-08-06 Steel Samuel L Synthesis of oligonucleotide analogs
GB8810400D0 (en) 1988-05-03 1988-06-08 Southern E Analysing polynucleotide sequences
ATE241014T2 (de) 1988-06-14 2003-06-15 Qiagen Gmbh Hiv-2 varianten
US5003059A (en) 1988-06-20 1991-03-26 Genomyx, Inc. Determining DNA sequences by mass spectrometry
US5512439A (en) 1988-11-21 1996-04-30 Dynal As Oligonucleotide-linked magnetic particles and uses thereof
US5489507A (en) 1988-11-30 1996-02-06 Perkin-Elmer Corporation DNA detection by color complementation
US5237016A (en) 1989-01-05 1993-08-17 Siska Diagnostics, Inc. End-attachment of oligonucleotides to polyacrylamide solid supports for capture and detection of nucleic acids
US5242974A (en) 1991-11-22 1993-09-07 Affymax Technologies N.V. Polymer reversal on solid surfaces
US5143854A (en) 1989-06-07 1992-09-01 Affymax Technologies N.V. Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof
WO1991001384A1 (en) 1989-07-11 1991-02-07 Gen-Probe, Incorporated Nucleic acid sequence amplification methods utilizing a transcription complex
WO1991011533A1 (en) 1990-01-26 1991-08-08 E.I. Du Pont De Nemours And Company Method for isolating primer extension products from template-directed dna polymerase reactions
US5650489A (en) 1990-07-02 1997-07-22 The Arizona Board Of Regents Random bio-oligomer library, a method of synthesis thereof, and a method of use thereof
WO1992011390A1 (en) 1990-12-17 1992-07-09 Idexx Laboratories, Inc. Nucleic acid sequence detection by triple helix formation
US5364759B2 (en) 1991-01-31 1999-07-20 Baylor College Medicine Dna typing with short tandem repeat polymorphisms and identification of polymorphic short tandem repeats
US6004744A (en) 1991-03-05 1999-12-21 Molecular Tool, Inc. Method for determining nucleotide identity through extension of immobilized primer
US5888819A (en) 1991-03-05 1999-03-30 Molecular Tool, Inc. Method for determining nucleotide identity through primer extension
EP0636186B1 (en) 1992-04-03 1998-11-25 The Perkin-Elmer Corporation Probe composition and method
US5412083A (en) 1992-04-16 1995-05-02 Northeastern University Carbohydrate heterobifunctional cross-linking reagent
WO1994000562A1 (en) 1992-06-24 1994-01-06 The Mt. Sinai School Of Medicine Of The City University Of New York A novel human immunodeficiency virus
US5710028A (en) 1992-07-02 1998-01-20 Eyal; Nurit Method of quick screening and identification of specific DNA sequences by single nucleotide primer extension and kits therefor
US5605798A (en) 1993-01-07 1997-02-25 Sequenom, Inc. DNA diagnostic based on mass spectrometry
DE69433811T2 (de) 1993-01-07 2005-06-23 Sequenom, Inc., San Diego Dns - sequenzierung durch massenspektronomie
US6194144B1 (en) 1993-01-07 2001-02-27 Sequenom, Inc. DNA sequencing by mass spectrometry
US6074823A (en) 1993-03-19 2000-06-13 Sequenom, Inc. DNA sequencing by mass spectrometry via exonuclease degradation
CA2158642A1 (en) 1993-03-19 1994-09-29 Hubert Koster Dna sequencing by mass spectrometry via exonuclease degradation
US5399857A (en) 1993-05-28 1995-03-21 The Johns Hopkins University Method and apparatus for trapping ions by increasing trapping voltage during ion introduction
JPH07159404A (ja) 1993-12-06 1995-06-23 Doujin Kagaku Kenkyusho:Kk スピンラベルしたビオチンを用いた物質の測定方法
US5976798A (en) 1994-03-30 1999-11-02 Mitokor Methods for detecting mitochondrial mutations diagnostic for Alzheimer's disease and methods for determining heteroplasmy of mitochondrial nucleic acid
GB9417211D0 (en) 1994-08-25 1994-10-12 Solicitor For The Affairs Of H Nucleotide sequencing method
AU708375B2 (en) 1995-02-09 1999-08-05 University Of Washington Modified-affinity streptavidin
US6428955B1 (en) 1995-03-17 2002-08-06 Sequenom, Inc. DNA diagnostics based on mass spectrometry
AU5296496A (en) 1995-03-24 1996-10-16 Mitokor Mutation detection by differential primer extension of mutant and wildtype target sequences
AU5544696A (en) 1995-04-11 1996-10-30 Trustees Of Boston University Solid phase sequencing of biopolymers
US5770272A (en) 1995-04-28 1998-06-23 Massachusetts Institute Of Technology Matrix-bearing targets for maldi mass spectrometry and methods of production thereof
US5700642A (en) 1995-05-22 1997-12-23 Sri International Oligonucleotide sizing using immobilized cleavable primers
US5869242A (en) 1995-09-18 1999-02-09 Myriad Genetics, Inc. Mass spectrometry to assess DNA sequence polymorphisms
WO1997037041A2 (en) 1996-03-18 1997-10-09 Sequenom, Inc. Dna sequencing by mass spectrometry
US5965363A (en) 1996-09-19 1999-10-12 Genetrace Systems Inc. Methods of preparing nucleic acids for mass spectrometric analysis
US5885775A (en) 1996-10-04 1999-03-23 Perseptive Biosystems, Inc. Methods for determining sequences information in polynucleotides using mass spectrometry
EP1164203B1 (en) 1996-11-06 2007-10-10 Sequenom, Inc. DNA Diagnostics based on mass spectrometry
EP0963443B1 (en) 1996-12-10 2006-03-08 Sequenom, Inc. Releasable nonvolatile mass-label molecules
US6613509B1 (en) 1999-03-22 2003-09-02 Regents Of The University Of California Determination of base (nucleotide) composition in DNA oligomers by mass spectrometry
US20050287592A1 (en) 2000-08-29 2005-12-29 Yeda Research And Development Co. Ltd. Template-dependent nucleic acid polymerization using oligonucleotide triphosphates building blocks
GB0006141D0 (en) 2000-03-14 2000-05-03 Brax Group Ltd Mass labels
EP1176212A1 (en) 2000-07-24 2002-01-30 Centre National de Genotype Method for haplotyping by mass spectrometry
US20030027169A1 (en) * 2000-10-27 2003-02-06 Sheng Zhang One-well assay for high throughput detection of single nucleotide polymorphisms
GB0102568D0 (en) 2001-02-01 2001-03-21 Magnetic Biosolutions Sweden A Method
US7226739B2 (en) 2001-03-02 2007-06-05 Isis Pharmaceuticals, Inc Methods for rapid detection and identification of bioagents in epidemiological and forensic investigations
US20040121314A1 (en) 2002-12-06 2004-06-24 Ecker David J. Methods for rapid detection and identification of bioagents in containers
US20030027135A1 (en) 2001-03-02 2003-02-06 Ecker David J. Method for rapid detection and identification of bioagents
EP1423400B2 (en) 2001-03-19 2013-05-22 President and Fellows of Harvard College Evolving new molecular function
US7217510B2 (en) 2001-06-26 2007-05-15 Isis Pharmaceuticals, Inc. Methods for providing bacterial bioagent characterizing information
US20030119004A1 (en) 2001-12-05 2003-06-26 Wenz H. Michael Methods for quantitating nucleic acids using coupled ligation and amplification
JP3752466B2 (ja) 2002-04-24 2006-03-08 株式会社日立製作所 遺伝子検査方法
WO2003104420A2 (en) 2002-06-07 2003-12-18 The Regents Of The University Of California Electrochemical detection of single nucleotide polymorphisms (snps)
US7074597B2 (en) 2002-07-12 2006-07-11 The Trustees Of Columbia University In The City Of New York Multiplex genotyping using solid phase capturable dideoxynucleotides and mass spectrometry
DE10240746A1 (de) 2002-09-01 2004-03-18 Epigenomics Ag Verfahren zum Nachweis von Nukleinsäuresequenzen mittels spaltbarer Sondenmoleküle
US20040259105A1 (en) * 2002-10-03 2004-12-23 Jian-Bing Fan Multiplex nucleic acid analysis using archived or fixed samples
EP2107129B1 (en) 2003-07-31 2012-08-22 Sequenom, Inc. Methods for high level multiplexed polymerase chain reactions and homogeneous mass extension reactions for genotyping of polymorhisms
US7709262B2 (en) 2004-02-18 2010-05-04 Trustees Of Boston University Method for detecting and quantifying rare mutations/polymorphisms
CN100400673C (zh) * 2004-03-18 2008-07-09 华晶基因技术有限公司 单核苷酸多态性(SNPs)及点突变的检测方法
WO2006073436A2 (en) 2004-04-29 2006-07-13 The Trustees Of Columbia University In The City Of New York Mass tag pcr for multiplex diagnostics
EP1756307A1 (en) 2004-05-20 2007-02-28 Trillion Genomics Limited Use of mass labelled probes to detect target nucleic acids using mass spectrometry
JP4735926B2 (ja) 2004-05-27 2011-07-27 アイシン精機株式会社 核酸の高効率回収方法
US7785843B2 (en) 2004-06-23 2010-08-31 Sequenom, Inc. Target-specific compomers and methods of use
US20060194240A1 (en) 2005-02-28 2006-08-31 Gen-Probe Incorporated Compositions and methods of detecting an analyte by using a nucleic acid hybridization switch probe
JP2006320271A (ja) 2005-05-20 2006-11-30 Tokyo Institute Of Technology 低分子化合物とタンパク質の結合評価方法
JP2008545444A (ja) 2005-06-13 2008-12-18 エフ.ホフマン−ラ ロシュ アーゲー 急性拒絶反応に関連するil10snp
US8586708B2 (en) 2005-10-28 2013-11-19 Massachusetts Institute Of Technology Monovalent streptavidin compositions
US8133701B2 (en) 2006-12-05 2012-03-13 Sequenom, Inc. Detection and quantification of biomolecules using mass spectrometry
US9249423B2 (en) 2007-02-02 2016-02-02 Yale University Method of de-differentiating and re-differentiating somatic cells using RNA
WO2009046507A1 (en) 2007-10-10 2009-04-16 Atanas Atanasov Wave power station
CA2742272C (en) 2008-10-30 2018-05-29 Sequenom, Inc. Products and processes for multiplex nucleic acid identification
DK2540843T3 (da) 2008-11-05 2014-09-01 Genentech Inc Genetiske polymorfismer ved aldersbetinget makulær degeneration
JP5686098B2 (ja) 2009-09-17 2015-03-18 Jsr株式会社 アビジンとビオチン誘導体の解離方法及び解離剤
JP6040227B2 (ja) 2011-05-19 2016-12-07 アジーナ バイオサイエンス, インコーポレイテッド マルチプレックス核酸同定のための製品およびプロセス
CA2877493C (en) * 2012-07-24 2020-08-25 Natera, Inc. Highly multiplex pcr methods and compositions
CN103131787B (zh) * 2013-03-11 2014-05-21 四川大学 基于y染色体snp遗传标记的法医学复合检测试剂盒
CN103602740A (zh) * 2013-11-06 2014-02-26 毅新兴业(北京)科技有限公司 质谱仪鉴定血清中游离dna的方法、试剂盒及其应用
US10640817B2 (en) 2015-04-24 2020-05-05 Agena Bioscience, Inc. Multiplex methods for detection and quantification of minor variants
AU2016250841A1 (en) 2015-04-24 2017-11-02 Agena Bioscience, Inc. Multiplexed method for the identification and quantitation of minor alleles and polymorphisms

Also Published As

Publication number Publication date
JP2018512880A (ja) 2018-05-24
CA2983224A1 (en) 2016-10-27
WO2016172571A1 (en) 2016-10-27
JP2019083820A (ja) 2019-06-06
AU2016250841A1 (en) 2017-11-02
JP2021097719A (ja) 2021-07-01
EP3286327A1 (en) 2018-02-28
JP2021097718A (ja) 2021-07-01
CN107406882A (zh) 2017-11-28
JP2024012522A (ja) 2024-01-30
US10233489B2 (en) 2019-03-19
US20160312278A1 (en) 2016-10-27
US10865439B2 (en) 2020-12-15
US20230383340A1 (en) 2023-11-30
CN114540470A (zh) 2022-05-27
US20210062254A1 (en) 2021-03-04
US10513728B2 (en) 2019-12-24
CN114540470B (zh) 2026-01-30
JP7325467B2 (ja) 2023-08-14
US11680289B2 (en) 2023-06-20
EP3286327B1 (en) 2021-11-10
EP4001430A1 (en) 2022-05-25
US20200123601A1 (en) 2020-04-23
US20190153526A1 (en) 2019-05-23
US12454722B2 (en) 2025-10-28
CN107406882B (zh) 2022-03-01

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