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Genome-wide association studies (GWAS) suggests that a complex disease is typically affected by many genetic variants with small or moderate effects. Identification of these risk variants remains to be a very challenging problem.…

统计方法学 · 统计学 2014-01-21 Dongjun Chung , Can Yang , Cong Li , Joel Gelernter , Hongyu Zhao

With the recent advent of high-throughput genotyping techniques, genetic data for genome-wide association studies (GWAS) have become increasingly available, which entails the development of efficient and effective statistical approaches.…

应用统计 · 统计学 2015-02-04 Jiahan Li , Wei Zhong , Runze Li , Rongling Wu

Genome-wide association studies (GWAS) have successfully identified over two hundred thousand genotype-trait associations. Yet some challenges remain. First, complex traits are often associated with many single nucleotide polymorphisms…

统计方法学 · 统计学 2023-02-07 Aastha Khatiwada , Ayse Selen Yilmaz , Bethany J. Wolf , Maciej Pietrzak , Dongjun Chung

Genome-wide association studies (GWAS) offer new opportunities to identify genetic risk factors for Alzheimer's disease (AD). Recently, collaborative efforts across different institutions emerged that enhance the power of many existing…

One of the most important challenges in the analysis of high-throughput genetic data is the development of efficient computational methods to identify statistically significant Single Nucleotide Polymorphisms (SNPs). Genome-wide association…

An important task of human genetics studies is to accurately predict disease risks in individuals based on genetic markers, which allows for identifying individuals at high disease risks, and facilitating their disease treatment and…

基因组学 · 定量生物学 2013-08-20 Cong Li , Can Yang , Joel Gelernter , Hongyu Zhao

The aetiology of polygenic obesity is multifactorial, which indicates that life-style and environmental factors may influence multiples genes to aggravate this disorder. Several low-risk single nucleotide polymorphisms (SNPs) have been…

基因组学 · 定量生物学 2018-08-27 Casimiro A. Curbelo Montañez , Paul Fergus , Carl Chalmers , Jade Hind

Parkinson's disease is a progressive and slowly developing neurodegenerative disease, characterized by dopaminergic neuron loss in the substantia nigra region of the brain. Despite extensive research by scientists, there is not yet a cure…

定量方法 · 定量生物学 2024-08-31 Pratham Kankariya , Rachita Rode , Kevin Mudaliar , Pranali Hatode

Reproducibility in genome-wide association studies (GWAS) is crucial for ensuring reliable genomic research outcomes. However, limited access to original genomic datasets (mainly due to privacy concerns) prevents researchers from…

基因组学 · 定量生物学 2024-11-19 Yuzhou Jiang , Erman Ayday

Genome Wide Association Studies (GWAS) are used to identify statistically significant genetic variants in case-control studies. GWAS typically use a p-value threshold of 5 x 10-8 to identify highly ranked single nucleotide polymorphisms…

计算工程、金融与科学 · 计算机科学 2018-01-10 Paul Fergus , Casimiro Curbelo Montanez , Basma Abdulaimma , Paulo Lisboa , Carl Chalmers

Standard approaches to analysing data in genome-wide association studies (GWAS) ignore any potential functional relationships between genetic markers. In contrast gene pathways analysis uses prior information on functional structure within…

统计方法学 · 统计学 2013-02-26 M. Silver , P. Chen , L. Ruoying , C. Y. Cheng , T. Y. Wong , E. Tai , Y. Y. Teo , G. Montana

Genome-wide association studies (GWAS) have emerged as a rich source of genetic clues into disease biology, and they have revealed strong genetic correlations among many diseases and traits. Some of these genetic correlations may reflect…

统计方法学 · 统计学 2018-11-28 Luke J. O'Connor , Alkes L. Price

Genome-wide Association Studies (GWASes) identify genomic variations that are statistically associated with a trait, such as a disease, in a group of individuals. Unfortunately, careless sharing of GWAS statistics might give rise to privacy…

基因组学 · 定量生物学 2022-09-21 Túlio Pascoal , Jérémie Decouchant , Antoine Boutet , Marcus Völp

Genome-wide association studies (GWASs) aim to detect genetic risk factors for complex human diseases by identifying disease-associated single-nucleotide polymorphisms (SNPs). The traditional SNP-wise approach along with multiple testing…

统计方法学 · 统计学 2019-09-25 Yan Xu , Li Xing , Jessica Su , Xuekui Zhang , Weiliang Qiu

Motivation: Genome-wide association studies (GWASs), which assay more than a million single nucleotide polymorphisms (SNPs) in thousands of individuals, have been widely used to identify genetic risk variants for complex diseases. However,…

计算工程、金融与科学 · 计算机科学 2015-01-27 Ben Teng , Can Yang , Jiming Liu , Zhipeng Cai , Xiang Wan

Parkinson's disease (PD) has been found to affect 1 out of every 1000 people, being more inclined towards the population above 60 years. Leveraging wearable-systems to find accurate biomarkers for diagnosis has become the need of the hour,…

机器学习 · 计算机科学 2023-04-20 Poojaa C , John Sahaya Rani Alex

Genome-wide association studies (GWA studies or GWAS) investigate the relationships between genetic variants such as single-nucleotide polymorphisms (SNPs) and individual traits. Recently, incorporating biological priors together with…

机器学习 · 统计学 2017-09-13 Tao Yang , Paul Thompson , Sihai Zhao , Jieping Ye

Parkinson's Disease (PD) is one of the most prevalent neurodegenerative diseases that affects tens of millions of Americans. PD is highly progressive and heterogeneous. Quite a few studies have been conducted in recent years on predictive…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Xi Sheryl Zhang , Lifang He , Kun Chen , Yuan Luo , Jiayu Zhou , Fei Wang

The paramount importance of replicating associations is well recognized in the genome-wide associaton (GWA) research community, yet methods for assessing replicability of associations are scarce. Published GWA studies often combine…

统计方法学 · 统计学 2014-04-30 Ruth Heller , Daniel Yekutieli

Genome-wide association study (GWAS) tests single nucleotide polymorphism (SNP) markers across the genome to localize the underlying causal variant of a trait. Because causal variants are seldom observed directly, a surrogate model based on…

种群与进化 · 定量生物学 2023-03-03 Hanbin Lee , Moo Hyuk Lee