A genome-wide association study identifies a susceptibility locus for biliary atresia on 2p16.1 within the gene EFEMP1

Ying Chen, Melissa A Gilbert, Christopher M Grochowski, Deborah McEldrew, Jessica Llewellyn, Orith Waisbourd-Zinman, Hakon Hakonarson, Joan E Bailey-Wilson, Pierre Russo, Rebecca G Wells, Kathleen M Loomes, Nancy B Spinner and Marcella Devoto

PLOS Genetics, 2018, vol. 14, issue 8, 1-19

Abstract: Biliary atresia (BA) is a rare pediatric cholangiopathy characterized by fibrosclerosing obliteration of the extrahepatic bile ducts, leading to cholestasis, fibrosis, cirrhosis, and eventual liver failure. The etiology of BA remains unknown, although environmental, inflammatory, infectious, and genetic risk factors have been proposed. We performed a genome-wide association study (GWAS) in a European-American cohort of 343 isolated BA patients and 1716 controls to identify genetic loci associated with BA. A second GWAS was performed in an independent European-American cohort of 156 patients with BA and other extrahepatic anomalies and 212 controls to confirm the identified candidate BA-associated SNPs. Meta-analysis revealed three genome-wide significant BA-associated SNPs on 2p16.1 (rs10865291, rs6761893, and rs727878; P

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pgen00:1007532

DOI: 10.1371/journal.pgen.1007532

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