Abstract:
AIM:Genetic variation in ALOX12, which encoded human 12-lipoxygenase, was found to be associated with fat mass in young Chinese men. The objective of this study was to investigate the relationship between single nucleotide polymorphisms (SNPs) and haplotypes in the ALOX15 gene and obesity-related phenotypes in Chinese nuclear families with male offspring. METHODS:We recruited 1,296 subjects from 427 nuclear families with male offspring and genotyped five SNPs (rs9894225, rs748694, rs2619112, rs2619118, and rs916055) in the ALOX15 gene locus. The total fat mass (TFM), trunk fat mass (tFM), leg fat mass (LFM) and arm fat mass (AFM) were measured using dual-energy X-ray absorptiometry (DXA). The percentage of fat mass (PFM) was the ratio of TFM and body weight. The association between SNPs and haplotypes of ALOX15 and obesity-related phenotypic variation was measured using quantitative transmission disequilibrium test (QTDT). RESULTS:Using QTDT to measure family-based genetic association, we found that rs916055 had a statistically significant association with PFM (P=0.038), whereas rs916055 had a marginal but statistically insignificant association with tFM (P=0.093). The multiple-parameter 1000 permutations test agreed with the family-based association results: both showed that rs916055 had a statistically significant association with PFM (P=0.033). CONCLUSION:rs916055 in ALOX15 gene was significantly associated with the percentage of fat mass in Chinese nuclear families with male offspring in the family-based association study using QTDT approach.
journal_name
Acta Pharmacol Sinjournal_title
Acta pharmacologica Sinicaauthors
Ke YH,Xiao WJ,He JW,Zhang H,Yu JB,Hu WW,Gu JM,Gao G,Yue H,Wang C,Hu YQ,Li M,Liu YJ,Fu WZ,Zhang ZLdoi
10.1038/aps.2011.167subject
Has Abstractpub_date
2012-02-01 00:00:00pages
201-7issue
2eissn
1671-4083issn
1745-7254pii
aps2011167journal_volume
33pub_type
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