A 54-year-old Italian female patient was admitted to our Department with the diagnosis of type 2 diabetes poorly controlled with insulin therapy. The patient was born by consanguineous parents (first degree cousins); she had acromegaloid features, diffuse lipoatrophy and muscular pseudo-hypertrophy since childhood. To confirm the clinical hypothesis of congenital generalized lipodystrophy (CGL) or Berardinelli-Seip syndrome, the sequences of AGPAT2 (encoding for 1-acyl-sn-glycerol-3-phosphate acyltransferase beta) and BSCL2 (encoding for seipin) candidate genes were analyzed. DNA analysis showed the presence of a homozygous mutation in exon 3 of the AGPAT2 gene (P112L). This is the first description of a Caucasian subject with CGL who carries the pathologic allelic variant P112L of the AGPAT2 gene.
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