Abstract: Technology provided herein relates in part to methods, processes, machines and apparatuses for non-invasive assessment of genomic nucleic acid instability and genomic nucleic acid stability.
Type:
Application
Filed:
October 10, 2022
Publication date:
June 15, 2023
Applicant:
Sequenom, Inc.
Inventors:
Youting Sun, Sung Kyun Kim, Mathias Ehrich, Christopher Ellison, Taylor Jensen, Amin Mazloom
Abstract: Technology provided herein relates in part to methods, processes, machines and apparatuses for determining sequences of nucleotides for nucleic acid templates in a nucleic acid sample. The technology provide herein also relates in part to methods, processes, machines and apparatuses for counting nucleic acid templates. Nucleic acid templates of a sample are tagged with nonrandom oligonucleotide adapters that include predetermined non-randomly generated sequences. The use of these nonrandom oligonucleotide adapters provides an efficient method to reduce sequencing errors, and increase the sensitivity of detection of low-frequency single nucleotide alterations.
Abstract: Provided are compositions and processes that utilize genomic regions that are differentially methylated between a mother and her fetus to separate, isolate or enrich fetal nucleic acid from a maternal sample. The compositions and processes described herein are particularly useful for non-invasive prenatal diagnostics, including the detection of chromosomal aneuploidies.
Abstract: Technology provided herein relates in part to methods, processes, machines and apparatuses for non-invasive assessment of genomic nucleic acid instability and genomic nucleic acid stability. The method comprises providing a set of genomic portions each coupled to a copy number alteration quantification for a test sample, wherein the genomic portions comprises portions of a reference genome to which sequence reads obtained for nucleic acid from a test sample obtained from the subject have been mapped, and the copy number alteration quantification coupled to each genomic portion has been determined from a quantification of sequence reads mapped to the genomic portion; and determining, by a computing device, presence or absence of genomic instability for the subject according to the copy number alteration quantifications coupled to the genomic portions.
Type:
Grant
Filed:
July 27, 2017
Date of Patent:
November 29, 2022
Assignee:
Sequenom, Inc.
Inventors:
Youting Sun, Sung Kyun Kim, Mathias Ehrich, Christopher Ellison, Taylor Jensen, Amin Mazloom
Abstract: Provided herein are methods for determining fetal ploidy according to nucleic acid sequence reads. Nucleic acid sequence reads may be obtained from test sample nucleic acid comprising circulating cell-free nucleic acid from the blood of a pregnant female bearing a fetus. Fetal ploidy may be determined according to genomic section levels and a fraction of fetal nucleic acid in a test sample.
Type:
Grant
Filed:
December 10, 2018
Date of Patent:
November 8, 2022
Assignee:
Sequenom, Inc.
Inventors:
Cosmin Deciu, Zeljko Dzakula, John Allen Tynan, Grant Hogg
Abstract: Provided herein are methods, processes and apparatuses for non-invasive assessment of genetic variations that make use of decision analyses. The decision analyses sometimes include segmentation analyses and/or odds ratio analyses.
Type:
Grant
Filed:
April 29, 2020
Date of Patent:
October 4, 2022
Assignee:
Sequenom, Inc.
Inventors:
Chen Zhao, Zeljko Dzakula, Cosmin Deciu, Sung Kyun Kim, Amin R. Mazloom, Gregory Hannum, Mathias Ehrich
Abstract: Systems and methods for identifying a de novo mutation in a genome of a fetus are provided. Methods may include identifying a location of each of a plurality of cell-free nucleic acid molecules using sequence reads. Methods may also include identifying a first sequence in the sequence reads at a first location that is not present in the maternal or paternal sequences. Methods may additionally include determining a first fractional concentration of the first sequence in the biological sample at the first location. Further, methods may include determining a second fractional concentration of a fetal-specific second sequence. The second sequence may be inherited by the fetus from the father at the second location. In addition, methods may include classifying the first sequence as a de novo mutation at the first location in a fetal genome of the fetus if the first and second fractional concentrations are about the same.
Type:
Grant
Filed:
June 7, 2018
Date of Patent:
August 2, 2022
Assignees:
The Chinese University of Hong Kong, Sequenom Inc.
Inventors:
Yuk Ming Dennis Lo, Kwan Chee Chan, Wai Kwun Rossa Chiu, Charles Cantor
Abstract: Technology provided herein relates in part to methods, processes and apparatuses for non-invasive assessment of genetic variations. In particular the invention relates to methods and kits for detecting aneuploidy of a fetal chromosome by determining the amounts of differentially methylated regions in each of chromosomes 13, 18 and 21 in circulating cell-free nucleic acid from a human pregnant female.
Type:
Grant
Filed:
March 12, 2015
Date of Patent:
June 21, 2022
Assignee:
Sequenom, Inc.
Inventors:
Taylor Jacob Jensen, Jennifer Geis, Sung Kyun Kim, Cosmin Deciu, Mathias Ehrich
Abstract: Provided are compositions and processes that utilize genomic regions that are differentially methylated between a mother and her fetus to separate, isolate or enrich fetal nucleic acid from a maternal sample. The compositions and processes described herein are particularly useful for non-invasive prenatal diagnostics, including the detection of chromosomal aneuploidies.
Abstract: Technology provided herein relates in part to non-invasive classification of one or more genetic copy number alterations (CNAs) for a test sample. Certain methods include sampling a quantification of sequence reads from parts of a genome, generating a confidence determination, and using the confidence determination to enhance classification. Technology provided herein is useful for classifying a genetic CNA for a sample as part of non-invasive pre-natal (NIPT) testing and oncology testing, for example.
Abstract: Technology provided herein relates in part to non-invasive classification of one or more genetic copy number alterations (CNAs) for a test sample. Certain methods include sampling a quantification of sequence reads from parts of a genome, generating a confidence determination, and using the confidence determination to enhance classification. Technology provided herein is useful for classifying a genetic CNA for a sample as part of non-invasive pre-natal (NIPT) testing and oncology testing, for example.
Abstract: The present invention relates to an in vitro method for detecting methylated DNA comprising (a) coating a container with a polypeptide capable of binding methylated DNA; (b) contacting said polypeptide with a sample comprising methylated and/or unmethylated DNA; and (c) detecting the binding of said polypeptide to methylated DNA. In a preferred embodiment, said method further comprises step (d) analyzing the detected methylated DNA by sequencing. Another aspect of the present invention is a kit for detecting methylated DNA according to the methods of the invention comprising (a) a polypeptide capable of binding methylated DNA; (b) a container which can be coated with said polypeptide; (c) means for coating said container; and (d) means for detecting methylated DNA.