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Genome-Wide Association Study of Anthropometric Traits and Evidence of Interactions with Age and Study Year in Filipino Women

Croteau-Chonka, Damien C.; Marvelle, Amanda F.; Lange, Ethan M.; Lee, Nanette R.; Adair, Linda S.; Lange, Leslie A.; & Mohlke, Karen L. (2011). Genome-Wide Association Study of Anthropometric Traits and Evidence of Interactions with Age and Study Year in Filipino Women. Obesity, 19(5), 1019-27. PMCID: PMC3046220

Croteau-Chonka, Damien C.; Marvelle, Amanda F.; Lange, Ethan M.; Lee, Nanette R.; Adair, Linda S.; Lange, Leslie A.; & Mohlke, Karen L. (2011). Genome-Wide Association Study of Anthropometric Traits and Evidence of Interactions with Age and Study Year in Filipino Women. Obesity, 19(5), 1019-27. PMCID: PMC3046220

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Increased values of multiple adiposity-related anthropometric traits are important risk factors for many common complex diseases. We performed a genome-wide association (GWA) study for four quantitative traits related to body size and adiposity (BMI, weight, waist circumference, and height) in a cohort of 1,792 adult Filipino women from the Cebu Longitudinal Health and Nutrition Survey (CLHNS). This is the first GWA study of anthropometric traits in Filipinos, a population experiencing a rapid transition into a more obesogenic environment. In addition to identifying suggestive evidence of additional single-nucleotide polymorphism (SNP) association signals (P < 10(-5)), we replicated (P < 0.05, same direction of additive effect) associations previously reported in European populations of both BMI and weight with MC4R and FTO, of BMI with BDNF, and of height with EFEMP1, ZBTB38, and NPPC, but none with waist circumference. We also replicated loci reported in Japanese or Korean populations as associated with BMI (OTOL1) and height (HIST1H1PS2, C14orf145, GPC5). A difference in local linkage disequilibrium (LD) between European and Asian populations suggests a narrowed association region for BDNF, while still including a proposed functional nonsynonymous amino acid substitution variant (rs6265, Val66Met). Finally, we observed significant evidence (P < 0.0042) for age-by-genotype interactions influencing BMI for rs17782313 (MC4R) and rs9939609 (FTO), and for a study year-by-genotype interaction for rs4923461 (BDNF). Our results show that several genetic risk factors are associated with anthropometric traits in Filipinos and provide further insight into the effects of BDNF, FTO, and MC4R on BMI.




JOUR



Croteau-Chonka, Damien C.
Marvelle, Amanda F.
Lange, Ethan M.
Lee, Nanette R.
Adair, Linda S.
Lange, Leslie A.
Mohlke, Karen L.



2011


Obesity

19

5

1019-27







10.1038/oby.2010.256

PMC3046220


53