The CTLA-4 gene c.49A >G and c.-319C >T, and CD28 gene c.534+17T >C polymorphisms did not
represent an important risk factor for this disease in a Turkish population.
ABSTRACT
Objective: The aim of this study is to investigate whether specific polymorphisms in the CTLA-4 and CD28 gene are associated with Type 2 diabetes mellitus (T2DM).