CDK5 and gestational diabetes: In a South Indian population study, 518 women with GDM and 910 pregnant women with normal glucose tolerance were genotyped, and rs7754840 and rs7756992 single nucleotide polymorphisms (SNPs) in the CDK5 regulatory subunit-associated protein 1-like 1 (CDKAL1) gene were found to be significantly associated with GDM.