PNPLA2 and fatty liver disease: Nonstandard abbreviations used: ATGL = adipose triglyceride lipase; bFLD = bovine fatty liver disease; CTL = control diet; DRTC = days relative to calving; FA = fatty acid; HSL = hormone sensitive lipase; iChREBP = immature ChREBP; KIP = ketosis induction protocol diet; lvTG = liver TG; mChREBP = mature ChREBP; NEFA = nonesterified FA; RT = room temperature; SQ = subcutaneous; TF = transcription factor; TG = triglyceride.