ATM and Berardinelli-Seip congenital lipodystrophy: We found that several progeroid syndrome genes are dysregulated: LMNA, ATM, RECQL4 and WRN. The gene causing Berardinelli-Seip Congenital Lipodystrophy (AGPAT2) is very significantly underexpressed (padj = 0.002; Fig 2).