BETA2, CYP2C9, CYP2C9 and TCF7L2 loci, HNF4A, HbA1c, Human, KCNJ11, KCNJ11,, KCNQ1, LIPC, NEUROD1, PAX4, PPARA, PPARG2, PPARG2 and PTPRD loci, PPARGC1A loci, PRKAA1, PRKAA2, PRKAB2, PTPRD loci, RBP4 loci, SLC22A1, SLC22A1, SLC22A2, SLC47A1, PRKAB2, PRKAA2, PRKAA1, and STK11 loci, SLC22A2, SLC30A8, SLC30A8, NEUROD1/BETA2, UCP2, and PAX4 loci, SLC47A1, STK11, TCF7L2 loci, UCP2, acarbose, diabetes, genetic variants, glucose, metformin, patients, pioglitazone, prediabetes, repaglinide, rosiglitazone, sulfonylureas, thiazolidinediones, type 2 diabetes