SMPD1 and familial partial lipodystrophy: Additionally, other genes, such as ABCA1, APOA5, APOC2, CFTR, CYP27 A1, GPIHBP1, LIPA, LMNB2, LPL, PRSS1, PSMB8, SMPD1, and SPINK1, while not directly linked to recognized FPLD subtypes, could be included in extended genetic panels due to their biological relevance.