Interestingly, one of the variants which is located in the TCF 2 gene at 17 q 12, seems to be protective against type 2 diabetes.
Önnur þessara samsæta, sem staðsett ii er í TCF 2 geninu á 17 q 12, reyndist hafa hindrandi áhrif á myndun insulin-óháðrar sykursýki.