A random forest approach to capture genetic effects in the presence of population structure

J Stephan, O Stegle, A Beyer - Nature communications, 2015 - nature.com
The accurate mapping of causal variants in genome-wide association studies requires the
consideration of both, confounding factors (for example, population structure) and nonlinear …

Multi-resolution localization of causal variants across the genome

M Sesia, E Katsevich, S Bates, E Candès… - Nature …, 2020 - nature.com
In the statistical analysis of genome-wide association data, it is challenging to precisely
localize the variants that affect complex traits, due to linkage disequilibrium, and to maximize …

Mendelian randomization accounting for correlated and uncorrelated pleiotropic effects using genome-wide summary statistics

J Morrison, N Knoblauch, JH Marcus, M Stephens… - Nature …, 2020 - nature.com
Mendelian randomization (MR) is a valuable tool for detecting causal effects by using
genetic variant associations. Opportunities to apply MR are growing rapidly with the …

An efficient multi-locus mixed-model approach for genome-wide association studies in structured populations

V Segura, BJ Vilhjálmsson, A Platt, A Korte, Ü Seren… - Nature …, 2012 - nature.com
Population structure causes genome-wide linkage disequilibrium between unlinked loci,
leading to statistical confounding in genome-wide association studies. Mixed models have …

Leveraging genetic variability across populations for the identification of causal variants

N Zaitlen, B Paşaniuc, T Gur, E Ziv… - The American Journal of …, 2010 - cell.com
Genome-wide association studies have been performed extensively in the last few years,
resulting in many new discoveries of genomic regions that are associated with complex …

Graphical analysis for phenome-wide causal discovery in genotyped population-scale biobanks

D Amar, N Sinnott-Armstrong, EA Ashley… - Nature …, 2021 - nature.com
Causal inference via Mendelian randomization requires making strong assumptions about
horizontal pleiotropy, where genetic instruments are connected to the outcome not only …

Massively parallel quantification of the regulatory effects of noncoding genetic variation in a human cohort

CM Vockley, C Guo, WH Majoros, M Nodzenski… - Genome …, 2015 - genome.cshlp.org
We report a novel high-throughput method to empirically quantify individual-specific
regulatory element activity at the population scale. The approach combines targeted DNA …

Identifying causal variants at loci with multiple signals of association

F Hormozdiari, E Kostem, EY Kang… - Proceedings of the 5th …, 2014 - dl.acm.org
Although genome-wide association studies have successfully identified thousands of risk
loci for complex traits, only a handful of the biologically causal variants, responsible for …

A comparison of methods for inferring causal relationships between genotype and phenotype using additional biological measurements

HF Ainsworth, SY Shin, HJ Cordell - Genetic epidemiology, 2017 - Wiley Online Library
Genome wide association studies (GWAS) have been very successful over the last decade
at identifying genetic variants associated with disease phenotypes. However, interpretation …

Validating, augmenting and refining genome-wide association signals

JPA Ioannidis, G Thomas, MJ Daly - Nature Reviews Genetics, 2009 - nature.com
Studies using genome-wide platforms have yielded an unprecedented number of promising
signals of association between genomic variants and human traits. This Review addresses …