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- Title
Contribution of Common Genetic Variation to the Risk of Type 2 Diabetes in the Mexican Mestizo Population.
- Authors
Gamboa-Meléndez, Marco Alberto; Huerta-Chagoya, Alicia; Moreno-Macías, Hortensia; Vázquez-Cárdenas, Paola; Ordóñez-Sánchez, María Luisa; Rodríguez-Guillén, Rosario; Riba, Laura; Rodríguez-Torres, Maribel; Guerra-García, María Teresa; Guillén-Pineda, Luz Elizabeth; Choudhry, Shweta; Bosque-Plata, Laura del; Canizales-Quinteros, Samuel; Pérez-Ortiz, Gustavo; Escobedo-Aguirre, Fernando; Parra, Adalberto; Lerman-Garber, Israel; Aguilar-Salinas, Carlos Alberto; Tusié-Luna, María Teresa
- Abstract
Several studies have identified nearly 40 different type 2 diabetes susceptibility loci, mainly in European populations, but few of them have been evaluated in the Mexican population. The aim of this study was to examine the extent to which 24 common genetic variants previously associated with type 2 diabetes are associated in Mexican Mestizos. Twenty-four single nucleotide polymorphisms (SNPs) in or near genes (KCNJ11, PPARG, TCF7L2, SLC30A8, HHEX, CDKN2A/ 2B, CDKAL1, IGF2BP2, ARHGEF11, JAZF1, CDC123/CAMK1D, FTO, TSPAN8/LGR5, KCNQ1, THADA, ADAMTS9, NOTCH2, NXPH1, RORA, UBQLNL, and RALGPS2) were genotyped in Mexican Mestizos. A case-control association study comprising 1,027 type 2 diabetic individuals and 990 control individuals was conducted. To account for population stratification, a panel of 104 ancestry-informativemarkers was analyzed. Association to type 2 diabetes was found for rs13266634 (SLC30A8), rs7923837 (HHEX), rs10811661 (CDKN2A/2B), rs4402960 (IGF2BP2), rs12779790 (CDC123/CAMK1D), and rs2237892 (KCNQ1). In addition, rs7754840 (CDKAL1) was associated in the nonobese type 2 diabetic subgroup, and for rs7903146 (TCF7L2), association was observed for early-onset type 2 diabetes. Lack of association for the rest of the variants may have resulted from insufficient power to detect smaller allele effects.
- Subjects
TYPE 2 diabetes; PEOPLE with diabetes; BIOMARKERS; ALLELES; NUCLEOTIDES
- Publication
Diabetes, 2012, Vol 61, Issue 12, p3314
- ISSN
0012-1797
- Publication type
Article
- DOI
10.2337/db11-0550