Patents by Inventor Anupama Srinivasan
Anupama Srinivasan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230340590Abstract: The present invention relates to a method for verifying the integrity of biological source samples subjected to multistep bioassays that comprise massively parallel sequencing of the sample genomic nucleic acids. The integrity of the biological source samples is verified using unique marker nucleic acids that are combined with the biological source sample, and are sequenced concomitantly with the genomic nucleic acids of the biological source sample. The method provides verification of individual samples in single- and multiplex massively parallel sequencing assays.Type: ApplicationFiled: July 10, 2023Publication date: October 26, 2023Applicant: VERINATA HEALTH, INC.Inventors: David A. Comstock, Anupama Srinivasan
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Publication number: 20230332225Abstract: Disclosed are methods for determining at least one sequence of interest of a fetus of a pregnant mother. In various embodiments, the method can determine one or more sequences of interest in a test sample that comprises a mixture of maternal cellular DNA and mother-and-fetus cfDNA. In some embodiments, methods are provided for determining whether the fetus has a genetic disease. In some embodiments, methods are provided for determining whether the fetus is homozygous in a disease causing allele when the mother is heterozygous of the same allele. In some embodiments, methods are provided for determining whether the fetus has a copy number variation (CNV) or a non-CNV genetic sequence anomaly.Type: ApplicationFiled: March 7, 2023Publication date: October 19, 2023Inventors: Anupama Srinivasan, Darya I. Chudova, Richard P. Rava
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Patent number: 11629378Abstract: Disclosed are methods for determining at least one sequence of interest of a fetus of a pregnant mother. In various embodiments, the method can determine one or more sequences of interest in a test sample that comprises a mixture of maternal cellular DNA and mother-and-fetus cfDNA. In some embodiments, methods are provided for determining whether the fetus has a genetic disease. In some embodiments, methods are provided for determining whether the fetus is homozygous in a disease causing allele when the mother is heterozygous of the same allele. In some embodiments, methods are provided for determining whether the fetus has a copy number variation (CNV) or a non-CNV genetic sequence anomaly.Type: GrantFiled: October 13, 2020Date of Patent: April 18, 2023Assignee: Illumina, Inc.Inventors: Anupama Srinivasan, Darya I. Chudova, Richard P. Rava
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Publication number: 20210108265Abstract: Disclosed are methods for determining at least one sequence of interest of a fetus of a pregnant mother. In various embodiments, the method can determine one or more sequences of interest in a test sample that comprises a mixture of maternal cellular DNA and mother-and-fetus cfDNA. In some embodiments, methods are provided for determining whether the fetus has a genetic disease. In some embodiments, methods are provided for determining whether the fetus is homozygous in a disease causing allele when the mother is heterozygous of the same allele. In some embodiments, methods are provided for determining whether the fetus has a copy number variation (CNV) or a non-CNV genetic sequence anomaly.Type: ApplicationFiled: October 13, 2020Publication date: April 15, 2021Inventors: Anupama Srinivasan, Darya I. Chudova, Richard P. Rava
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Publication number: 20210024996Abstract: The present invention relates to a method for verifying the integrity of biological source samples subjected to multistep bioassays that comprise massively parallel sequencing of the sample genomic nucleic acids. The integrity of the biological source samples is verified using unique marker nucleic acids that are combined with the biological source sample, and are sequenced concomitantly with the genomic nucleic acids of the biological source sample. The method provides verification of individual samples in single- and multiplex massively parallel sequencing assays.Type: ApplicationFiled: April 16, 2020Publication date: January 28, 2021Inventors: David A. Comstock, Anupama Srinivasan
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Patent number: 10837055Abstract: Disclosed are methods for determining at least one sequence of interest of a fetus of a pregnant mother. In various embodiments, the method can determine one or more sequences of interest in a test sample that comprises a mixture of maternal cellular DNA and mother-and-fetus cfDNA. In some embodiments, methods are provided for determining whether the fetus has a genetic disease. In some embodiments, methods are provided for determining whether the fetus is homozygous in a disease causing allele when the mother is heterozygous of the same allele. In some embodiments, methods are provided for determining whether the fetus has a copy number variation (CNV) or a non-CNV genetic sequence anomaly.Type: GrantFiled: August 9, 2018Date of Patent: November 17, 2020Assignee: Illumina, Inc.Inventors: Anupama Srinivasan, Darya I. Chudova, Richard P. Rava
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Publication number: 20200219588Abstract: The invention provides a method for determining copy number variations (CNV) of a sequence of interest in a test sample that comprises a mixture of nucleic acids that are known or are suspected to differ in the amount of one or more sequence of interest. The method comprises a statistical approach that accounts for accrued variability stemming from process-related, interchromosomal and inter-sequencing variability. The method is applicable to determining CNV of any fetal aneuploidy, and CNVs known or suspected to be associated with a variety of medical conditions. CNV that can be determined according to the method include trisomies and monosomies of any one or more of chromosomes 1-22, X and Y, other chromosomal polysomies, and deletions and/or duplications of segments of any one or more of the chromosomes, which can be detected by sequencing only once the nucleic acids of a test sample.Type: ApplicationFiled: January 24, 2020Publication date: July 9, 2020Inventors: Richard P. Rava, Anupama Srinivasan
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Patent number: 10586610Abstract: The invention provides a method for determining copy number variations (CNV) of a sequence of interest in a test sample that comprises a mixture of nucleic acids that are known or are suspected to differ in the amount of one or more sequence of interest. The method comprises a statistical approach that accounts for accrued variability stemming from process-related, interchromosomal and inter-sequencing variability. The method is applicable to determining CNV of any fetal aneuploidy, and CNVs known or suspected to be associated with a variety of medical conditions. CNV that can be determined according to the method include trisomies and monosomies of any one or more of chromosomes 1-22, X and Y, other chromosomal polysomies, and deletions and/or duplications of segments of any one or more of the chromosomes, which can be detected by sequencing only once the nucleic acids of a test sample.Type: GrantFiled: March 16, 2016Date of Patent: March 10, 2020Assignee: Verinata Health, Inc.Inventors: Richard P. Rava, Anupama Srinivasan
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Publication number: 20190338345Abstract: The disclosure provides methods and kits for preparing sequencing library to detect chromosomal abnormality using cell-free DNA (cfDNA) without the need of first isolating the cfDNA from a liquid fraction of a test sample. In some embodiments, the method involves reducing the binding between the cfDNA and nucleosomal proteins without unwinding the cfDNA from the nucleosomal proteins. In some embodiments, the reduction of binding may be achieved by treating with a detergent or heating. In some embodiments, the method further involves freezing and thawing the test sample before reducing the binding between the cfDNA and the nucleosomal proteins. In some embodiments, the test sample is a peripheral blood sample from a pregnant woman including cfDNA of both a mother and a fetus. In other embodiments, the test sample is a peripheral blood sample from a patient known or suspected to have cancer.Type: ApplicationFiled: July 17, 2019Publication date: November 7, 2019Inventors: Anupama Srinivasan, Richard P. Rava
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Patent number: 10400267Abstract: The disclosure provides methods and kits for preparing sequencing library to detect chromosomal abnormality using cell-free DNA (cfDNA) without the need of first isolating the cfDNA from a liquid fraction of a test sample. In some embodiments, the method involves reducing the binding between the cfDNA and nucleosomal proteins without unwinding the cfDNA from the nucleosomal proteins. In some embodiments, the reduction of binding may be achieved by treating with a detergent or heating. In some embodiments, the method further involves freezing and thawing the test sample before reducing the binding between the cfDNA and the nucleosomal proteins. In some embodiments, the test sample is a peripheral blood sample from a pregnant woman including cfDNA of both a mother and a fetus. In other embodiments, the test sample is a peripheral blood sample from a patient known or suspected to have cancer.Type: GrantFiled: June 11, 2018Date of Patent: September 3, 2019Assignee: Verinata Health, Inc.Inventors: Anupama Srinivasan, Richard P. Rava
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Publication number: 20190062832Abstract: Disclosed are methods for determining at least one sequence of interest of a fetus of a pregnant mother. In various embodiments, the method can determine one or more sequences of interest in a test sample that comprises a mixture of maternal cellular DNA and mother-and-fetus cfDNA. In some embodiments, methods are provided for determining whether the fetus has a genetic disease. In some embodiments, methods are provided for determining whether the fetus is homozygous in a disease causing allele when the mother is heterozygous of the same allele. In some embodiments, methods are provided for determining whether the fetus has a copy number variation (CNV) or a non-CNV genetic sequence anomaly.Type: ApplicationFiled: August 9, 2018Publication date: February 28, 2019Inventors: Anupama Srinivasan, Darya I. Chudova, Richard P. Rava
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Publication number: 20180346967Abstract: The disclosure provides methods and kits for preparing sequencing library to detect chromosomal abnormality using cell-free DNA (cfDNA) without the need of first isolating the cfDNA from a liquid fraction of a test sample. In some embodiments, the method involves reducing the binding between the cfDNA and nucleosomal proteins without unwinding the cfDNA from the nucleosomal proteins. In some embodiments, the reduction of binding may be achieved by treating with a detergent or heating. In some embodiments, the method further involves freezing and thawing the test sample before reducing the binding between the cfDNA and the nucleosomal proteins. In some embodiments, the test sample is a peripheral blood sample from a pregnant woman including cfDNA of both a mother and a fetus. In other embodiments, the test sample is a peripheral blood sample from a patient known or suspected to have cancer.Type: ApplicationFiled: June 11, 2018Publication date: December 6, 2018Inventors: Anupama Srinivasan, Richard P. Rava
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Patent number: 10119167Abstract: Disclosed are methods for determining at least one sequence of interest of a fetus of a pregnant mother. In various embodiments, the method can determine one or more sequences of interest in a test sample that comprises a mixture of maternal cellular DNA and mother-and-fetus cfDNA. In some embodiments, methods are provided for determining whether the fetus has a genetic disease. In some embodiments, methods are provided for determining whether the fetus is homozygous in a disease causing allele when the mother is heterozygous of the same allele. In some embodiments, methods are provided for determining whether the fetus has a copy number variation (CNV) or a non-CNV genetic sequence anomaly.Type: GrantFiled: July 17, 2015Date of Patent: November 6, 2018Assignee: Illumina, Inc.Inventors: Anupama Srinivasan, Darya I. Chudova, Richard P. Rava
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Patent number: 10017807Abstract: The disclosure provides methods and kits for preparing sequencing library to detect chromosomal abnormality using cell-free DNA (cfDNA) without the need of first isolating the cfDNA from a liquid fraction of a test sample. In some embodiments, the method involves reducing the binding between the cfDNA and nucleosomal proteins without unwinding the cfDNA from the nucleosomal proteins. In some embodiments, the reduction of binding may be achieved by treating with a detergent or heating. In some embodiments, the method further involves freezing and thawing the test sample before reducing the binding between the cfDNA and the nucleosomal proteins. In some embodiments, the test sample is a peripheral blood sample from a pregnant woman including cfDNA of both a mother and a fetus, wherein the methods may be used to detect fetal chromosomal abnormality such as copy number variation.Type: GrantFiled: March 14, 2014Date of Patent: July 10, 2018Assignee: Verinata Health, Inc.Inventors: Anupama Srinivasan, Richard P. Rava
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Patent number: 9411937Abstract: The invention provides a method for determining copy number variations (CNV) of a sequence of interest in a test sample that comprises a mixture of nucleic acids that are known or are suspected to differ in the amount of one or more sequence of interest. The method comprises a statistical approach that accounts for accrued variability stemming from process-related, interchromosomal and inter-sequencing variability. The method is applicable to determining CNV of any fetal aneuploidy, and CNVs known or suspected to be associated with a variety of medical conditions. CNV that can be determined according to the method include trisomies and monosomies of any one or more of chromosomes 1-22, X and Y, other chromosomal polysomies, and deletions and/or duplications of segments of any one or more of the chromosomes, which can be detected by sequencing only once the nucleic acids of a test sample.Type: GrantFiled: March 15, 2013Date of Patent: August 9, 2016Assignee: Verinata Health, Inc.Inventors: Anupama Srinivasan, Richard P. Rava
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Publication number: 20160210405Abstract: The invention provides a method for determining copy number variations (CNV) of a sequence of interest in a test sample that comprises a mixture of nucleic acids that are known or are suspected to differ in the amount of one or more sequence of interest. The method comprises a statistical approach that accounts for accrued variability stemming from process-related, interchromosomal and inter-sequencing variability. The method is applicable to determining CNV of any fetal aneuploidy, and CNVs known or suspected to be associated with a variety of medical conditions. CNV that can be determined according to the method include trisomies and monosomies of any one or more of chromosomes 1-22, X and Y, other chromosomal polysomies, and deletions and/or duplications of segments of any one or more of the chromosomes, which can be detected by sequencing only once the nucleic acids of a test sample.Type: ApplicationFiled: March 16, 2016Publication date: July 21, 2016Inventors: Richard P. Rava, Anupama Srinivasan
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Patent number: 9323888Abstract: The invention provides a method for determining copy number variations (CNV) of a sequence of interest in a test sample that comprises a mixture of nucleic acids that are known or are suspected to differ in the amount of one or more sequence of interest. The method comprises a statistical approach that accounts for accrued variability stemming from process-related, interchromosomal and inter-sequencing variability. The method is applicable to determining CNV of any fetal aneuploidy, and CNVs known or suspected to be associated with a variety of medical conditions. CNV that can be determined according to the method include trisomies and monosomies of any one or more of chromosomes 1-22, X and Y, other chromosomal polysomies, and deletions and/or duplications of segments of any one or more of the chromosomes, which can be detected by sequencing only once the nucleic acids of a test sample.Type: GrantFiled: August 30, 2012Date of Patent: April 26, 2016Assignee: Verinata Health, Inc.Inventors: Richard P. Rava, Anupama Srinivasan
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Publication number: 20160070853Abstract: The invention provides a method for determining copy number variations (CNV) of a sequence of interest in a test sample that comprises a mixture of nucleic acids that are known or are suspected to differ in the amount of one or more sequence of interest. The method comprises a statistical approach that accounts for accrued variability stemming from process-related, interchromosomal and inter-sequencing variability. The method is applicable to determining CNV of any fetal aneuploidy, and CNVs known or suspected to be associated with a variety of medical conditions. CNV that can be determined according to the method include trisomies and monosomies of any one or more of chromosomes 1-22, X and Y, other chromosomal polysomies, and deletions and/or duplications of segments of any one or more of the chromosomes, which can be detected by sequencing only once the nucleic acids of a test sample.Type: ApplicationFiled: August 30, 2012Publication date: March 10, 2016Applicant: Verinata Health, Inc.Inventors: Richard P. Rava, Anupama Srinivasan
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Publication number: 20160017412Abstract: Disclosed are methods for determining at least one sequence of interest of a fetus of a pregnant mother. In various embodiments, the method can determine one or more sequences of interest in a test sample that comprises a mixture of maternal cellular DNA and mother-and-fetus cfDNA. In some embodiments, methods are provided for determining whether the fetus has a genetic disease. In some embodiments, methods are provided for determining whether the fetus is homozygous in a disease causing allele when the mother is heterozygous of the same allele. In some embodiments, methods are provided for determining whether the fetus has a copy number variation (CNV) or a non-CNV genetic sequence anomaly.Type: ApplicationFiled: July 17, 2015Publication date: January 21, 2016Inventors: Anupama Srinivasan, Darya I. Chudova, Richard P. Rava
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Publication number: 20150065358Abstract: The present invention relates to a method for verifying the integrity of biological source samples subjected to multistep bioassays that comprise massively parallel sequencing of the sample genomic nucleic acids. The integrity of the biological source samples is verified using unique marker nucleic acids that are combined with the biological source sample, and are sequenced concomitantly with the genomic nucleic acids of the biological source sample. The method provides verification of individual samples in single- and multiplex massively parallel sequencing assays.Type: ApplicationFiled: March 30, 2012Publication date: March 5, 2015Inventors: David A. Comstock, Anupama Srinivasan