What question did this study set out to answer?

The aim is to explore how synonymous variations in ADHFE1 modulate the population tolerability of the ALDH2 rs671 allele.

March 4, 2026Open Access

Synonymous ADHFE1 Variation Shapes Population Tolerability of the Deleterious ALDH2 rs671 Allele

Key Points

The aim is to explore how synonymous variations in ADHFE1 modulate the population tolerability of the ALDH2 rs671 allele.
Analyzed allele frequency differences across multiple populations
Utilized gnomAD v2.1.1 exome sequencing data
Developed a customized filtering pipeline for quality control and analysis
Stratified analysis performed for seven genetic ancestries
Identified population-specific genetic variants related to ALDH2 tolerability
Demonstrated allele frequency variations among diverse genetic ancestries
Revealed distinct patterns in tolerability based on genetic ancestry

Abstract

This study identifies population-specific common and rare genetic variants by analyzing allele frequency differences across populations using gnomAD v2.1.1 exome sequencing data. We developed a customized filtering pipeline that performs rigorous quality control and stratified analysis across seven genetic ancestries: East Asian (EAS), South Asian (SAS), Non-Finnish European (NFE), Finnish (FIN), African (AFR), Admixed American (AMR), and Ashkenazi Jewish (ASJ).

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