See:

Berardinelli-Seip syndrome ...; Congenital lipodystrophy Berardinelli-Seip of; Congenital generalized lipodystrophy (Berardinelli-Seip syndrome, Seip congenital lipodystrophy Berardinelli-) - Genes AGPAT2, BSCL2, CAV1 and PTRF