Severe cardiomyopathy in a young patient with complete deficiency of adipose triglyceride lipase due to a novel mutation in PNPLA2 gene

Sara Missaglia, Daniela Tavian, Maria Barbara Pasanisi, Denise Cassandrini, Franco Salerno, Stefania Farina, Daniele Andreini, Piergiuseppe Agostoni, Lucia Morandi, Marina Mora

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16 Citazioni (Scopus)

Abstract

We report the case of a 26 year-old male patient affected by neutral lipid storage myopathy with severe cardiac involvement. Patient parents were first cousins; a brother died at 3 years of age, during surgery. They referred that the child had always walked on toes, but he never presented weakness or difficulties in physical activity, compared to peers. The patient was first evaluated when he was 11 years-old and was reported to walk on toes, with difficulty to walk on heels, and to have mild calves hypertrophy and reduced tendon reflexes. Blood test revealed high values of CK (1657 U/L), while total and free carnitine levels were normal. Electromyography was normal; an effort test revealed excessive increase in lactic acid levels. He underwent a muscle biopsy that showed abnormal lipid storage. He was diagnosed to suffer from a lipid storage myopathy and therapy with riboflavin was started with some benefit to the patient. A neutral lipid storage myopathy was hypothesized and molecular analysis of the PNPLA2 gene revealed a homozygous novel deletion of seven nucleotides in exon 2 (c.41_47delGCTGCGG).
Lingua originaleEnglish
pagine (da-a)165-167
Numero di pagine3
RivistaINTERNATIONAL JOURNAL OF CARDIOLOGY
Volume2016
DOI
Stato di pubblicazionePubblicato - 2016

Keywords

  • Cardiomyopathy
  • Myopathy
  • Neutral Lipid Storage Disease
  • Triacylglycerol

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