CDKN2A and type 2 diabetes mellitus: In this model the combination of HHEX (rs1111875) CC homozygotes, SLC30A8 (rs13266634) CC homozygotes, IGF2BP2 (rs4402960) GG homozygotes and CDKN2A (rs10811661) TT homozygotes were associated with reduced risk to T2D.