Article
Exploring and Accounting for Genetically Driven Effect Heterogeneity in Mendelian Randomization.
Genetic epidemiology - 1 Jan 2025
Jaitner Annika, Tsaneva-Atanasova Krasimira, Freathy Rachel M, Bowden Jack
Abstract excerpt
Mendelian randomization (MR) is a framework to estimate the causal effect of a modifiable health exposure, drug target or pharmaceutical intervention on a downstream outcome by using genetic variants as instrumental variables. A crucial assumption allowing estimation of the average causal effect in MR, termed homogeneity, is that the causal effect does not vary across levels of any instrument used in the...
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