A classical phenotype of Anderson-Fabry diseasein a female patient with intronic mutations of the GLA gene: a case report

Riccardo Alessandro, Carmela Zizzo, Giuseppe Albeggiani, Antonio Pisani, Paolo Colomba, Francesco Iemolo, Giuseppe Albeggiani, Giovanni Duro, Massimo Imbriaco, Carmela Zizzo, Paolo Colomba

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14 Citations (Scopus)

Abstract

Background: Fabry disease (FD) is a hereditary metabolic disorder caused by the partial or total inactivationof a lysosomal hydrolase, the enzyme α-galactosidase A (GLA). This inactivation is responsible for the storage of undegraded glycosphingolipids in the lysosomes with subsequent cellular and microvascular dysfunction.The incidence of disease is estimated at 1:40,000 in the general population, although neonatal screeninginitiatives have found an unexpectedly high prevalence of genetic alterations, up to 1:3,100, in newborns in Italy, and have identified a surprisingly high frequency of newborn males with genetic alterations (about 1:1,500) in Taiwan.Case presentation: We describe the case of a 40-year-old female patient who presented with transient ischemic attack (TIA), discomfort in her hands, intolerance to cold and heat, severe angina and palpitations, chronic kidney disease. Clinical, biochemical and molecular studies were performed.Conclusions: Reported symptoms, peculiar findings in a renal biopsy – the evidence of occasional lamellarinclusions in podocytes and mesangial cells – and left ventricular (LV) hypertrophy, which are considered to be specific features of FD, as well as molecular evaluations, suggested the diagnosis of a classical form of FD. We detected four mutations in the GLA gene of the patient: -10C>T (g.1170C>T), c.370-77_-81del(g.7188-7192del5), c.640-16A>G (g.10115A>G), c.1000-22C>T (g.10956C>T). These mutations, located in promoter and intronic regulatory regions, have been observed in several patients with manifestations of FD. In our patient clinical picture showed a multisystemic involvement with early onset of symptoms, thus suggesting that these intronic mutations can be found even in patients with classical form of FD.
Original languageEnglish
Pages (from-to)39-44
Number of pages6
JournalBMC Cardiovascular Disorders
Volume12
Publication statusPublished - 2012

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

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