Genetic markers for risk management of atrial fibrillation, atrial flutter, and stroke
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C12Q-001/68
G01N-033/48
A61B-005/02
C07H-021/04
출원번호
US-0302463
(2007-12-05)
등록번호
US-8637244
(2014-01-28)
우선권정보
IS-8576 (2006-12-05); IS-8658 (2007-06-29)
국제출원번호
PCT/IS2007/000021
(2007-12-05)
§371/§102 date
20081125
(20081125)
국제공개번호
WO2008/068780
(2008-06-12)
발명자
/ 주소
Helgadottir, Anna
Gudbjartsson, Daniel
출원인 / 주소
deCODE Genetics ehf.
대리인 / 주소
Marshall, Gerstein & Borun LLP
인용정보
피인용 횟수 :
0인용 특허 :
10
초록▼
The invention relates to procedure and methods of determining a susceptibility to cardiac arrhythmia, including Atrial Fibrillation, Atrial Flutter and Stroke, by assessing the presence or absence of alleles at polymorphic markers found to be associated with Atrial Fibrillation, Atrial Flutter and S
The invention relates to procedure and methods of determining a susceptibility to cardiac arrhythmia, including Atrial Fibrillation, Atrial Flutter and Stroke, by assessing the presence or absence of alleles at polymorphic markers found to be associated with Atrial Fibrillation, Atrial Flutter and Stroke. The invention further relates to kits encompassing reagents for assessing such markers, and diagnostic methods, uses and procedures for utilizing such susceptibility markers.
대표청구항▼
1. A method of determining a susceptibility to atrial fibrillation, atrial flutter, or stroke in a human individual, the method comprising: analyzing a nucleic acid sample from the individual to determine the presence or absence of at least one polymorphic marker allele selected from allele T of pol
1. A method of determining a susceptibility to atrial fibrillation, atrial flutter, or stroke in a human individual, the method comprising: analyzing a nucleic acid sample from the individual to determine the presence or absence of at least one polymorphic marker allele selected from allele T of polymorphic marker rs2220427, allele T of polymorphic marker rs2200733, and allele T of polymorphic marker rs10033464, and detecting the presence of at least one of the polymorphic marker alleles in the nucleic acid sample, anddetermining susceptibility to atrial fibrillation, atrial flutter or stroke in the human individual by calculating a risk score for the human individual that includes a relative risk (RR) or an odds ratio (OR) of at least 1.3 attributed to the presence of the at least one polymorphic marker allele in the nucleic acid sample from the individual, wherein the determining is performed using an apparatus comprising:a computer readable memory;a processor; anda routine stored on the computer readable memory;wherein the routine is adapted to be executed on the processor to analyze genotype data with respect to the at least one polymorphic marker and generate an output based on the genotype data, wherein the output comprises a risk score for the human individual with respect to susceptibility to atrial fibrillation, atrial flutter, or stroke. 2. The method of claim 1, wherein the at least one polymorphic marker allele is allele T of polymorphic marker rs2220427. 3. The method of claim 1, wherein the at least one polymorphic marker allele is polymorphic marker rs2200733, allele T. 4. The method of claim 1, wherein the at least one polymorphic marker allele is allele T of polymorphic marker rs10033464. 5. The method of claim 1, wherein the method comprises determining a susceptibility to atrial fibrillation or atrial flutter. 6. The method of claim 5, wherein atrial fibrillation or atrial flutter is further characterized by an age of onset in the individual of less than 80 years. 7. The method of claim 5, wherein atrial fibrillation or atrial flutter is further characterized by an age of onset in the individual of less than 70 years. 8. The method of claim 5, wherein atrial fibrillation or atrial flutter is further characterized by an age of onset in the individual of less than 60 years. 9. The method of claim 1, wherein the method comprises determining a susceptibility to ischemic stroke. 10. The method of claim 1, further comprising measuring at least one additional biomarker for atrial fibrillation, atrial flutter and/or stroke in a sample from the individual, wherein the at least one additional biomarker is a polymorphic marker or a protein biomarker. 11. The method of claim 1, further comprising determining non-genetic information about the individual. 12. The method according to claim 1, wherein the human individual has a self-reported Caucasian ancestry. 13. The method of claim 1, wherein the analyzing of the nucleic acid sample is performed using a process selected from allele-specific probe hybridization, allele-specific primer extension, allele-specific amplification, nucleic acid sequencing, 5′-exonuclease digestion, molecular beacon assay, oligonucleotide ligation assay, size analysis, and single-stranded conformation analysis. 14. The method of claim 13, wherein the process is allele-specific probe hybridization or nucleic acid sequencing. 15. The method according to claim 1, wherein the analyzing of the nucleic acid sample comprises contacting nucleic acid from the sample with at least one oligonucleotide probe that is 15 to 500 nucleotides in length and that hybridizes to a segment of a nucleic acid whose sequence is shown in SEQ ID NO: 1, 28, 41, or 50, or the complements thereof, wherein the hybridization is sequence-specific and identifies the presence or absence of the at least one polymorphic marker allele. 16. The method according to claim 1, wherein the nucleic acid sample is from a human individual who has not been diagnosed with atrial fibrillation, atrial flutter, or stroke. 17. The method of claim 16, further comprising physical examination of the individual, for symptoms or evidence of atrial fibrillation, atrial flutter, or stroke. 18. The method of claim 10, wherein the at least one additional marker is a protein biomarker selected from the group consisting of fibrin D-dimer, prothrombin activation fragment 1.2 (F1.2), thrombin-antithrombin III complexes (TAT), fibrinopeptide A (FPA), lipoprotein-associated phospholipase A2 (1p-PLA2), beta-thromboglobulin, platelet factor 4, P-selectin, von Willebrand Factor, pro-natriuretic peptide (BNP), matrix metalloproteinase-9 (MMP-9), PARK7, nucleoside diphosphate kinase (NDKA), tau, neuron-specific enolase, B-type neurotrophic growth factor, astroglial protein S-100b, glial fibrillary acidic protein, C-reactive protein, serum amyloid A, matrix metalloproteinase-9, vascular and/or intracellular cell adhesion molecules, tumor necrosis factor alpha, and an interleukin, wherein the protein biomarker is measured in a plasma sample from the individual. 19. The method of claim 11, wherein the non-genetic information is selected from age, age at onset of disease, gender, ethnicity, socioeconomic status, previous disease diagnosis, medical history of subject, family history of atrial fibrillation, atrial flutter and/or stroke, biochemical measurements, and clinical measurements. 20. The method of claim 19, further comprising calculating overall susceptibility by logistic regression. 21. A method of using a nucleic acid sample isolated from a human individual to measure a susceptibility to atrial fibrillation, atrial flutter, or stroke, the method comprising: analyzing the nucleic acid sample to determine the presence or absence of at least one polymorphic marker allele selected from allele T of marker rs2220427, allele T of marker rs2200733, or allele T of marker rs10033464, and determining that at least one of allele T of marker rs2220427, allele T of marker rs2200733, or allele T of marker rs10033464 is present in the sample,determining an increased susceptibility to atrial fibrillation, atrial flutter or stroke in the individual from the presence of the at least one allele in the nucleic acid sample, andperforming a physical examination for symptoms or evidence of atrial fibrillation, atrial flutter, or stroke on the individual determined to have the increased susceptibility. 22. The method of claim 21, wherein the determining of an increased susceptibility includes calculating a risk score for the human individual that includes a relative risk (RR) or an odds ratio (OR) of at least 1.3 attributed to the at least one polymorphic marker allele being present in the nucleic acid sample from the individual. 23. The method of claim 21, wherein the analyzing of the nucleic acid sample is performed using a process selected from allele-specific probe hybridization, allele-specific primer extension, allele-specific amplification, nucleic acid sequencing, 5′-exonuclease digestion, molecular beacon assay, oligonucleotide ligation assay, size analysis, and single-stranded conformation analysis. 24. A method of using a nucleic acid sample isolated from a human individual to calculate a risk for atrial fibrillation, atrial flutter, or stroke, the method comprising: analyzing at least one of polymorphic marker rs2220427, polymorphic marker rs2200733, or polymorphic marker rs10033464 in the nucleic acid sample and determining that a T allele of one or more of the polymorphic markers is present in the nucleic acid sample, andcalculating a risk score for atrial fibrillation, atrial flutter or stroke in the individual that includes a relative risk (RR) or an odds ratio (OR) of at least 1.3 attributed to allele T of the marker(s) being present in the nucleic acid sample from the individual, using an apparatus comprising:a computer readable memory;a processor; anda routine stored on the computer readable memory;wherein the routine is adapted to be executed on the processor to analyze genotype data with respect to the at least one polymorphic marker and generate an output based on the genotype data, wherein the output comprises a risk score for the human individual with respect to susceptibility to atrial fibrillation, atrial flutter, or stroke. 25. The method of claim 24, wherein the analyzing of the at least one polymorphic marker in the nucleic acid sample is performed using a process selected from allele-specific probe hybridization, allele-specific primer extension, allele-specific amplification, nucleic acid sequencing, 5′-exonuclease digestion, molecular beacon assay, oligonucleotide ligation assay, size analysis, and single-stranded conformation analysis. 26. The method of claim 21 wherein the physical examination includes cardiac rhythm monitoring for 24 to 48 hours.
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이 특허에 인용된 특허 (10)
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