KCNQ1 and type 2 diabetes mellitus: Although these variants have not been reported to induce a functional effect on the KvLQT1 channel20, the KCNQ1 polymorphisms rs3852528, rs11024175, and rs2237892, which are located in intron 15 of the KCNQ1 gene on chromosome 11p15, have been reported as susceptible variants to T2DM.