Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.4/2047
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dc.contributor.authorDias-Costa, F-
dc.contributor.authorFerdinandusse, S-
dc.contributor.authorPinto, C-
dc.contributor.authorDias, A-
dc.contributor.authorKeldermans, L-
dc.contributor.authorQuelhas, D-
dc.contributor.authorMatthijs, G-
dc.contributor.authorMooijer, PA-
dc.contributor.authorDiogo, L-
dc.contributor.authorJaeken, J-
dc.contributor.authorGarcia, P-
dc.identifier.citationJIMD Rep. 2017 Mar 1. doi: 10.1007/8904_2017_10.pt_PT
dc.description.abstractGalactose epimerase deficiency is an inborn error of metabolism due to uridine diphosphate-galactose-4'-epimerase (GALE) deficiency. We report the clinical presentation, genetic and biochemical studies in two siblings with generalized GALE deficiency.Patient 1: The first child was born with a dysmorphic syndrome. Failure to thrive was noticed during the first year. Episodes of heart failure due to dilated cardiomyopathy, followed by liver failure, occurred between 12 and 42 months. The finding of a serum transferrin isoelectrofocusing (IEF) type 1 pattern led to the suspicion of a congenital disorder of glycosylation (CDG). Follow-up disclosed psychomotor disability, deafness, and nuclear cataracts.Patient 2: The sibling of patient 1 was born with short limbs and hip dysplasia. She is deceased in the neonatal period due to intraventricular hemorrhage in the context of liver failure. Investigation disclosed galactosuria and normal transferrin glycosylation.Next-generation sequence panel analysis for CDG syndrome revealed the previously reported c.280G>A (p.[V94M]) homozygous mutation in the GALE gene. Enzymatic studies in erythrocytes (patient 1) and fibroblasts (patients 1 and 2) revealed markedly reduced GALE activity confirming generalized GALE deficiency. This report describes the fourth family with generalized GALE deficiency, expanding the clinical spectrum of this disorder, since major cardiac involvement has not been reported before.pt_PT
dc.titleGalactose Epimerase Deficiency: Expanding the Phenotypept_PT
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