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MX2018013224A - Número de objetivo por amplificación de discordancias optimizada multiplicada (moma). - Google Patents

Número de objetivo por amplificación de discordancias optimizada multiplicada (moma).

Info

Publication number
MX2018013224A
MX2018013224A MX2018013224A MX2018013224A MX2018013224A MX 2018013224 A MX2018013224 A MX 2018013224A MX 2018013224 A MX2018013224 A MX 2018013224A MX 2018013224 A MX2018013224 A MX 2018013224A MX 2018013224 A MX2018013224 A MX 2018013224A
Authority
MX
Mexico
Prior art keywords
moma
target number
mismatch amplification
optimized mismatch
multiplexed optimized
Prior art date
Application number
MX2018013224A
Other languages
English (en)
Inventor
Tomita Mitchell Aoy
Stamm Karl
Original Assignee
Medical College Wisconsin Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Medical College Wisconsin Inc filed Critical Medical College Wisconsin Inc
Publication of MX2018013224A publication Critical patent/MX2018013224A/es

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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
    • C12Q1/6827—Hybridisation assays for detection of mutation or polymorphism
    • 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
    • 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
    • C12Q1/6834—Enzymatic or biochemical coupling of nucleic acids to a solid phase
    • C12Q1/6837—Enzymatic or biochemical coupling of nucleic acids to a solid phase using probe arrays or probe chips
    • 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
    • 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
    • C12Q1/6858—Allele-specific amplification
    • 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
    • C12Q1/6876—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
    • 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
    • C12Q1/6876—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
    • C12Q1/6883—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for diseases caused by alterations of genetic material
    • 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
    • C12Q2600/00—Oligonucleotides characterized by their use
    • C12Q2600/112—Disease subtyping, staging or classification
    • 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
    • C12Q2600/00—Oligonucleotides characterized by their use
    • C12Q2600/118—Prognosis of disease development
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    • 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
    • C12Q2600/00—Oligonucleotides characterized by their use
    • C12Q2600/156—Polymorphic or mutational markers
    • 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
    • C12Q2600/00—Oligonucleotides characterized by their use
    • C12Q2600/16—Primer sets for multiplex assays
    • 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
    • C12Q2600/00—Oligonucleotides characterized by their use
    • C12Q2600/166—Oligonucleotides used as internal standards, controls or normalisation probes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biophysics (AREA)
  • Immunology (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Abstract

Esta invencion se refiere a metodos y composiciones para evaluar una cantidad de acidos nucleicos no nativos en una muestra, tal como de un sujeto; los metodos y las composiciones aqui proporcionadas se pueden utilizar para determinar un riesgo de una afeccion en un sujeto.
MX2018013224A 2016-04-29 2017-04-29 Número de objetivo por amplificación de discordancias optimizada multiplicada (moma). MX2018013224A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662330053P 2016-04-29 2016-04-29
PCT/US2017/030293 WO2017190106A1 (en) 2016-04-29 2017-04-29 Multiplexed optimized mismatch amplification (moma)-target number

Publications (1)

Publication Number Publication Date
MX2018013224A true MX2018013224A (es) 2019-04-22

Family

ID=60161206

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2018013224A MX2018013224A (es) 2016-04-29 2017-04-29 Número de objetivo por amplificación de discordancias optimizada multiplicada (moma).

Country Status (11)

Country Link
US (1) US20190153521A1 (es)
EP (2) EP3449019B1 (es)
JP (2) JP7630902B2 (es)
CN (1) CN109661475A (es)
AU (1) AU2017258801A1 (es)
BR (1) BR112018072196A2 (es)
CA (1) CA3022572A1 (es)
EA (1) EA201892489A1 (es)
IL (1) IL262642A (es)
MX (1) MX2018013224A (es)
WO (1) WO2017190106A1 (es)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11111543B2 (en) 2005-07-29 2021-09-07 Natera, Inc. System and method for cleaning noisy genetic data and determining chromosome copy number
US9424392B2 (en) 2005-11-26 2016-08-23 Natera, Inc. System and method for cleaning noisy genetic data from target individuals using genetic data from genetically related individuals
US10316362B2 (en) 2010-05-18 2019-06-11 Natera, Inc. Methods for simultaneous amplification of target loci
US12221653B2 (en) 2010-05-18 2025-02-11 Natera, Inc. Methods for simultaneous amplification of target loci
US20190010543A1 (en) 2010-05-18 2019-01-10 Natera, Inc. Methods for simultaneous amplification of target loci
US11326208B2 (en) 2010-05-18 2022-05-10 Natera, Inc. Methods for nested PCR amplification of cell-free DNA
US11332793B2 (en) 2010-05-18 2022-05-17 Natera, Inc. Methods for simultaneous amplification of target loci
US11322224B2 (en) 2010-05-18 2022-05-03 Natera, Inc. Methods for non-invasive prenatal ploidy calling
US11939634B2 (en) 2010-05-18 2024-03-26 Natera, Inc. Methods for simultaneous amplification of target loci
US9677118B2 (en) 2014-04-21 2017-06-13 Natera, Inc. Methods for simultaneous amplification of target loci
US11339429B2 (en) 2010-05-18 2022-05-24 Natera, Inc. Methods for non-invasive prenatal ploidy calling
US12152275B2 (en) 2010-05-18 2024-11-26 Natera, Inc. Methods for non-invasive prenatal ploidy calling
US11332785B2 (en) 2010-05-18 2022-05-17 Natera, Inc. Methods for non-invasive prenatal ploidy calling
CA3207599A1 (en) 2010-05-18 2011-11-24 Natera, Inc. Methods for non-invasive prenatal ploidy calling
US11408031B2 (en) 2010-05-18 2022-08-09 Natera, Inc. Methods for non-invasive prenatal paternity testing
RU2671980C2 (ru) 2011-02-09 2018-11-08 Натера, Инк. Способы неинвазивного пренатального установления плоидности
US20140100126A1 (en) 2012-08-17 2014-04-10 Natera, Inc. Method for Non-Invasive Prenatal Testing Using Parental Mosaicism Data
JP6659575B2 (ja) 2014-04-21 2020-03-04 ナテラ， インコーポレイテッド 変異の検出および染色体分節の倍数性
US20180173845A1 (en) 2014-06-05 2018-06-21 Natera, Inc. Systems and Methods for Detection of Aneuploidy
WO2016183106A1 (en) 2015-05-11 2016-11-17 Natera, Inc. Methods and compositions for determining ploidy
WO2017181202A2 (en) 2016-04-15 2017-10-19 Natera, Inc. Methods for lung cancer detection
WO2018067517A1 (en) 2016-10-04 2018-04-12 Natera, Inc. Methods for characterizing copy number variation using proximity-litigation sequencing
EP3535391A4 (en) * 2016-11-02 2020-05-13 The Medical College of Wisconsin, Inc. RISK ASSESSMENT METHODS USING MISMATCHING AMPLIFICATION AND STATISTICAL METHODS
GB201618485D0 (en) 2016-11-02 2016-12-14 Ucl Business Plc Method of detecting tumour recurrence
US10011870B2 (en) 2016-12-07 2018-07-03 Natera, Inc. Compositions and methods for identifying nucleic acid molecules
US11773434B2 (en) 2017-06-20 2023-10-03 The Medical College Of Wisconsin, Inc. Assessing transplant complication risk with total cell-free DNA
US12084720B2 (en) 2017-12-14 2024-09-10 Natera, Inc. Assessing graft suitability for transplantation
JP7573443B2 (ja) 2018-04-14 2024-10-25 ナテラ， インコーポレイテッド 循環腫瘍ｄｎａの個別化された検出を用いる癌検出およびモニタリングの方法
WO2019217918A1 (en) * 2018-05-10 2019-11-14 The Medical College Of Wisconsin, Inc. Multiplexed optimized mismatch amplification (moma)-cancer risk assessment with non-cancer associated targets
US12234509B2 (en) 2018-07-03 2025-02-25 Natera, Inc. Methods for detection of donor-derived cell-free DNA
WO2020105058A1 (en) * 2018-11-25 2020-05-28 Azulay Chen Methods for measuring small nucleic acid abundance differences
US11931674B2 (en) 2019-04-04 2024-03-19 Natera, Inc. Materials and methods for processing blood samples
EP3980559A1 (en) 2019-06-06 2022-04-13 Natera, Inc. Methods for detecting immune cell dna and monitoring immune system
US12023370B2 (en) * 2021-04-08 2024-07-02 Anticancer Inc. Composition for the treatment of COVID-19 infection, and a method of treatment

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2004217872B2 (en) * 2003-03-05 2010-03-25 Genetic Technologies Limited Identification of fetal DNA and fetal cell markers in maternal plasma or serum
CN102892901B (zh) 2010-03-24 2015-11-25 凸版印刷株式会社 利用竞争性引物的目标碱基序列的检测方法
US9856538B2 (en) * 2011-12-16 2018-01-02 Basf Agrochemical Products B.V. Methods and compositions for analyzing AHASL genes in wheat
CA2870969C (en) 2012-04-19 2023-10-03 Aoy Tomita Mitchell Highly sensitive surveillance using detection of cell free dna
US20140242582A1 (en) 2013-02-28 2014-08-28 Ariosa Diagnostics, Inc. Detection of genetic abnormalities using ligation-based detection and digital pcr
WO2014143989A1 (en) * 2013-03-15 2014-09-18 Medical College Of Wisconsin, Inc. Fetal well being surveillance using fetal specific cell free dna
EP3004388B2 (en) 2013-05-29 2023-05-31 Chronix Biomedical Detection and quantification of donor cell-free dna in the circulation of organ transplant recipients
WO2015178978A2 (en) * 2014-02-14 2015-11-26 The Board Of Regents Of The University Of Texas System Strand exchange hairpin primers that give high allelic discrimination
HK1252152A1 (zh) * 2015-04-30 2019-05-17 Medical College Of Wisconsin, Inc. 用於評估無細胞dna的多重優化錯配擴增(moma)實時pcr

Also Published As

Publication number Publication date
JP2022180384A (ja) 2022-12-06
WO2017190106A1 (en) 2017-11-02
EP4306653A2 (en) 2024-01-17
CA3022572A1 (en) 2017-11-02
JP7630902B2 (ja) 2025-02-18
IL262642A (en) 2018-12-31
EP4306653A3 (en) 2024-04-10
EP3449019A1 (en) 2019-03-06
US20190153521A1 (en) 2019-05-23
BR112018072196A2 (pt) 2019-02-12
AU2017258801A1 (en) 2018-12-20
EP3449019B1 (en) 2023-08-23
CN109661475A (zh) 2019-04-19
JP2019518438A (ja) 2019-07-04
EA201892489A1 (ru) 2019-05-31
EP3449019A4 (en) 2019-11-06

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