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Genetic analysis in European ancestry individuals identifies 517 loci associated with liver enzymes
Journal article   Open access   Peer reviewed

Genetic analysis in European ancestry individuals identifies 517 loci associated with liver enzymes

Raha Pazoki, Marijana Vujkovic, Joshua Elliott, Evangelos Evangelou, Dipender Gill, Mohsen Ghanbari, Peter J van der Most, Rui Climaco Pinto, Matthias Wielscher, Matthias Farlik, …
Nature communications, Vol.12(1), pp.2579-2579
05/10/2021
DOI: 10.1038/s41467-021-22338-2
PMCID: PMC8110798
PMID: 33972514
url
https://doi.org/10.1038/s41467-021-22338-2View
Published (Version of record) Open Access

Abstract

Serum concentration of hepatic enzymes are linked to liver dysfunction, metabolic and cardiovascular diseases. We perform genetic analysis on serum levels of alanine transaminase (ALT), alkaline phosphatase (ALP) and gamma-glutamyl transferase (GGT) using data on 437,438 UK Biobank participants. Replication in 315,572 individuals from European descent from the Million Veteran Program, Rotterdam Study and Lifeline study confirms 517 liver enzyme SNPs. Genetic risk score analysis using the identified SNPs is strongly associated with serum activity of liver enzymes in two independent European descent studies (The Airwave Health Monitoring study and the Northern Finland Birth Cohort 1966). Gene-set enrichment analysis using the identified SNPs highlights involvement in liver development and function, lipid metabolism, insulin resistance, and vascular formation. Mendelian randomization analysis shows association of liver enzyme variants with coronary heart disease and ischemic stroke. Genetic risk score for elevated serum activity of liver enzymes is associated with higher fat percentage of body, trunk, and liver and body mass index. Our study highlights the role of molecular pathways regulated by the liver in metabolic disorders and cardiovascular disease.
Aged Alanine Transaminase - blood Alanine Transaminase - genetics Alkaline Phosphatase - blood Alkaline Phosphatase - genetics Cardiovascular Diseases - enzymology Cardiovascular Diseases - genetics Cohort Studies Databases, Genetic Female gamma-Glutamyltransferase - blood gamma-Glutamyltransferase - genetics Gene Expression Regulation, Enzymologic - genetics Genetic Predisposition to Disease Genetic Testing Genome-Wide Association Study Humans Insulin Resistance - genetics Lipid Metabolism - genetics Liver - enzymology Liver - metabolism Male Mendelian Randomization Analysis Metabolic Diseases - enzymology Metabolic Diseases - genetics Middle Aged Polymorphism, Single Nucleotide Risk Factors Whites

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