ACE2 and diabetes mellitus: By the influence of ACE2 G8790A polymorphism genotypes on age, BMI, blood pressure and clinical biochemical variables among type 2 diabetes mellitus patients, it was explored that all these factors were not related to the genotypes in the T2DM females except urinary creatinine which showed a significant difference in the recessive model [GGx (AG+AA); p-value 0.049] (Table 4).