PNPLA2 and type 2 diabetes mellitus: We have reported that elevated levels of high-density lipoprotein (HDL)-resident adipose triglyceride lipase and increased activity of choline/ethanolamine phosphotransferase 1 (CEPT1) may contribute to the atheroprotective effect in GCK-MODY compared to that in type 2 diabetes milletus (T2DM) (4).