نتایج جستجو برای: genetic association study
تعداد نتایج: 4665124 فیلتر نتایج به سال:
Telomere length varies considerably among individuals. It is highly heritable and decreases with ageing or ageing related diseases. Recently, genome-wide association studies (GWAS) have identified several genetic loci associated with telomere length in adults. However, it is unclear whether these loci represent the genetic basis of telomere length or determine the individual susceptibility to s...
BACKGROUND Telomere length is a predictor for a number of common age related diseases and is a heritable trait. METHODS AND RESULTS To identify new loci associated with mean leukocyte telomere length we conducted a genome wide association study of 314,075 single nucleotide polymorphisms (SNPs) and validated the results in a second cohort (n for both cohorts combined = 2790). We identified two...
Over the past decade, the detection of gene-gene interactions has become more and more popular in the field of genome-wide association studies (GWASs). The goal of the GWAS is to identify genetic susceptibility to complex diseases by assaying and analyzing hundreds of thousands of single-nucleotide polymorphisms. However, such tests are computationally demanding and methodologically challenging...
Genome-wide association study (GWAS) data on a disease are increasingly available from multiple related populations. In this scenario, meta-analyses can improve power to detect homogeneous genetic associations, but if there exist ancestry-specific effects, via interactions on genetic background or with a causal effect that co-varies with genetic background, then these will typically be obscured...
A recent genome-wide association study (GWA) reported a significant association between single nucleotide polymorphisms (SNPs) at the PCDH11X gene and late-onset Alzheimer's disease (LOAD). Our research was designated to replicate this association, including non previously analyzed PCDH11X and PCDH11Y SNPs. We genotyped four PCDH11X and one PCDH11Y SNPs in a total of 420 LOAD patients and 350 h...
A two-stage genome-wide association study (GWAS) of the Cancer Genetic Markers of Susceptibility (CGEMS) initiative identified single nucleotide polymorphisms (SNP) in 150 regions across the genome that may be associated with prostate cancer (PCa) risk. We filtered these results to identify 43 independent SNPs where the frequency of the risk allele was consistently higher in cases than in contr...
Title of Document: BAYESIAN ESTIMATION OF THE INBREEDING COEFFICIENT FOR SINGLE NUCLEOTIDE POLYMORPHISM USING COMPLEX SURVEY DATA Zhenyi Xue, Doctor of Philosophy, 2015 Directed By: Professor Partha Lahiri Associate Professor Yan Li Joint Program in Survey Methodology In genome-wide association studies (GWAS), single nucleotide polymorphism (SNP) is often used as a genetic marker to study gene-...
The ideal genetic analysis of family data would include whole genome sequence on all family members. A strategy of combining sequence data from a subset of key individuals with inexpensive, genome-wide association study (GWAS) chip genotypes on all individuals to infer sequence level genotypes throughout the families has been suggested as a highly accurate alternative. This strategy was followe...
Adolescent idiopathic scoliosis (AIS) is a common disease. It is a multi-factorial (polygenic) disease controlled by genetic and environmental factors. Studies searching for genetic factors of AIS using linkage and association analyses have been conducted and several susceptibility genes have been reported. This paper reviews the recent progress in the genome-wide association study of AIS in Ja...
The Australian Twin Registry (ATR) is a not-for-profit organization that coordinates research involving Australian twins and researchers. The ATR is one of the largest volunteer registries of its kind and contains over 33,000 twin pairs. The purpose of this review is to provide a broad overview of recent ophthalmic studies that have utilized the ATR for recruitment purposes. Such studies includ...
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