SERPINB1 and type 2 diabetes mellitus: In the T2DM subjects, the serum SerpinB1 levels were negatively correlated with FBG (β = -0.361, P = 0.010), T-Chol (β = -0.336, P = 0.016), LDL-Chol (β = -0.342, P = 0.014), and γGTP (β = -0.287, P = 0.042) (Table 2).