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

Author

Listed:
  • 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
  • Marcella Devoto

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

Suggested Citation

  • 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 & Ka, 2018. "A genome-wide association study identifies a susceptibility locus for biliary atresia on 2p16.1 within the gene EFEMP1," PLOS Genetics, Public Library of Science, vol. 14(8), pages 1-19, August.
    • Handle: RePEc:plo:pgen00:1007532
    DOI: 10.1371/journal.pgen.1007532
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