AGPAT2 and lipodystrophy: Mutations in 1-acylglycerol-3-phosphate O-acyltransferase 2 (AGPAT2) [15], Berardinelli-Seip congenital lipodystrophy 2/Seipin [16–18] and caveolin-1 [19] cause congenital complete lipodystrophy.