{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T14:19:30Z","timestamp":1790605170270,"version":"4.1.0"},"reference-count":44,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2013,11,26]],"date-time":"2013-11-26T00:00:00Z","timestamp":1385424000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J of Med Genetics Pt B"],"published-print":{"date-parts":[[2014,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:label\/><jats:p>Alcohol dependence (AD) is a moderately heritable phenotype with a small number of known risk genes mapped via linkage or candidate gene studies. We considered 313 males from among 595 members of documented, extended pedigrees in which AD segregates collected in Northern Hunan Province, China. A joint analysis of both males and females could not be performed as the difference in alcohol consumption variance was too large. Genome\u2010wide association analyses were performed for approximately 300,000 single nucleotide polymorphisms (SNPs). Significant associations found in the <jats:italic>ALDH2<\/jats:italic> region for AD (minimum <jats:italic>P<\/jats:italic>\u2009=\u20094.73\u2009\u00d7\u200910<jats:sup>\u22128<\/jats:sup>) and two AD\u2010related phenotypes: flushing response (minimum <jats:italic>P<\/jats:italic>\u2009=\u20094.75\u2009\u00d7\u200910<jats:sup>\u221226<\/jats:sup>) and maximum drinks in a 24\u2010hr period (minimum <jats:italic>P<\/jats:italic>\u2009=\u20091.54\u2009\u00d7\u200910<jats:sup>\u221216<\/jats:sup>). Association of previous candidate SNP, rs10774610 in <jats:italic>CCDC63<\/jats:italic>, was confirmed but resulted from linkage disequilibrium with <jats:italic>ALDH2<\/jats:italic>. <jats:italic>ALDH2<\/jats:italic> is strongly associated with flushing response, AD, and maximum drinks in males, with nonsynonymous SNP rs671 explaining 29.2%, 7.9%, and 22.9% of phenotypic variation, respectively, in this sample. When rs671 was considered as a candidate SNP in females, it explained 23.6% of the variation in flushing response, but alcohol consumption rates were too low among females\u2014despite familial enrichment for AD\u2014for an adequate test of association for either AD or maximum drinks. These results support a mediating effect of aldehyde dehydrogenase deficiency on alcohol consumption in males and a secondary, culturally mediated limitation on alcohol consumption by females that should be appropriately modeled in future studies of alcohol consumption in populations where this may be a factor. \u00a9 2013 Wiley Periodicals, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ajmg.b.32213","type":"journal-article","created":{"date-parts":[[2013,11,26]],"date-time":"2013-11-26T11:13:44Z","timestamp":1385464424000},"page":"103-110","source":"Crossref","is-referenced-by-count":107,"title":["<i>ALDH2<\/i> is associated to alcohol dependence and is the major genetic determinant of \u201cdaily maximum drinks\u201d in a GWAS study of an isolated rural chinese sample"],"prefix":"10.1002","volume":"165","author":[{"given":"Ellen E.","family":"Quillen","sequence":"first","affiliation":[{"name":"Department of Genetics Texas Biomedical Research Institute San Antonio 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