RETN and type 2 diabetes mellitus: In contrast, in our whole sample analysis, no evidence for association with T2D was found for the ADIPOQ variants -11,391G>A (OR = 0.99, P = 0.91) and -11,377C>G (OR = 1.08, P = 0.18), HNF1A I27L (OR = 1.01, P = 0.71), HNF4A variants rs1884614 (OR = 1.03, P = 0.58) and rs2144908 (OR = 1.04, P = 0.45), KCNJ11 E23K (OR = 0.9, P = 0.09), or RETN -420C>G (OR = 1.00, P = 0.99).