" /> Berardinelli-Seip Congenital Lipodystrophy - CISMeF





Preferred Label : Berardinelli-Seip Congenital Lipodystrophy;

NCIt synonyms : Congenital Generalized Lipodystrophy;

NCIt related terms : Berardinelli Lipodystrophy Syndrome; Total Lipodystrophy; Berardinelli Seip Syndrome; Seip-Bernardinelli Syndrome; Lawrence-Seip Syndrome;

NCIt definition : A genetic disorder caused by mutations in the AGPAT2 and BSCL2 genes. It is characterized by lipoatrophy in the trunk, face, and extremities, hypertriglyceridemia, muscle hypertrophy, cardiomyopathy and hepatomegaly. Patients develop insulin resistance, leading to diabetes mellitus.;

Alternative definition : NICHD: An autosomal recessive condition associated with mutation(s) in multiple genes: the CAV1 gene (encoding caveolin-1); the AGPAT2 gene (encoding 1-acyl-sn-glycerol-3-phosphate acyltransferase beta); the BSCL2 gene (encoding seipin); or the PTRF gene (encoding polymerase I and transcript release factor). Clinical manifestations include lipoatrophy affecting the trunk, limbs, and face; acromegaloid features; hepatomegaly secondary to hepatic steatosis; skeletal muscle hypertrophy; hypertrophic cardiomyopathy; hypertriglyceridemia; severe insulin resistance; and impaired glucose tolerance or diabetes.;

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08/05/2025


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