期刊
CLINICA CHIMICA ACTA
卷 478, 期 -, 页码 62-67出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cca.2017.12.033
关键词
Fabry disease; Globotriaosylceramide; Renal function; Albuminuria
资金
- Brazilian Foundation: Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [479298/2012-2]
- Brazilian Foundation: Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) [007481/2011]
- Brazilian Foundation: Fundo de Incentivo Pesquisa e Eventos (FIPE/HCPA) [10-0177]
Fabry disease (PD) is a disorder that results from mutations of hydrolase a-galactosidase A. The enzymatic defect leads to accumulation of globotriaosylceramide (Gb3) in the kidney. Substrate deposition is related to tissue damage in FD, but the relation of urinary Gb3 levels in patients and the renal function markers remain not completely understood. Once nephropathy is one of the main features of FD and is marked by an insidious development, we investigated a possible correlation of Gb3 with biochemical markers of nephropathy including albuminuria, estimated glomerular filtration rate (eGFR), serum creatinine and urea, and proteinuria in male and female patients under or not enzyme replacement therapy (ERT).Gb3, proteinuria and albuminuria were increased in male and female FD patients. We found no correlation between urinary Gb3 levels and all renal function parameters evaluated in Fabry patients (in both sexes and using or not ERT). On the other hand, albuminuria showed negative correlation with eGFR only in male under or not ERT, demonstrating that albuminuria seems to be an early marker of renal function alteration. In conclusion, the results suggest that urinary Gb3 level does not reflect the renal function and that albuminuria is an important biomarker in male FD patients.
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