Effect of selection bias on two sample summary data based Mendelian randomization

Abstract Mendelian randomization (MR) is becoming more and more popular for inferring causal relationship between an exposure and a trait. Typically, instrument SNPs are selected from an exposure GWAS based on their summary statistics and the same summary statistics on the selected SNPs are used for...

Full description

Bibliographic Details
Main Authors: Kai Wang, Shizhong Han
Format: Article
Language:English
Published: Nature Publishing Group 2021-04-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-87219-6