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Artículo

Higher apoptotic state in Fabry disease peripheral blood mononuclear cells: effect of globotriaosylceramide

de Francesco, Pablo NicolásIcon ; Mucci, Juan MarcosIcon ; Ceci, Romina; Fossati, Carlos AlbertoIcon ; Rozenfeld, Paula AdrianaIcon
Fecha de publicación: 11/2011
Editorial: Elsevier Inc
Revista: Molecular Genetics And Metabolism
ISSN: 1096-7192
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Bioquímica y Biología Molecular

Resumen

Fabry disease is an X-linked lysosomal storage disorder (LSD) due to deficiency of the enzyme α-galactosidase A, resulting in intracellular deposition of globotriaosylceramide (Gb3). Accumulation of Gb3 is probably related to tissue and organ dysfunctions. Diverse pathological mechanisms are elicited in LSDs, giving together the phenotypic expression of each disease. The purpose of the present study is to investigate if apoptosis could play a role in Fabry disease pathogenesis and to understand the mechanisms involved in the proapoptotic state. We have demonstrated that Fabry disease peripheral blood mononuclear cells display a higher apoptotic state, which is reduced by enzyme replacement therapy (ERT), and is mediated, at least in part, by activation of the intrinsic pathway of caspases. We could rule out the implication of “unfolded protein response-ER stress” in this apoptotic process. To further confirm the suggestion that Gb3 is associated to apoptotic cell death, we treated normal cells with Gb3 at concentrations found in Fabry patients. Addition of Gb3 resulted in a dose-dependent induction of apoptosis involving the intrinsic pathway. In summary, PBMC from Fabry patients display a higher apoptotic state, which could be mainly related to elevated Gb3.
Palabras clave: Fabry Disease , Globotriaosylceramide , Apoptosis , Enzyme Replacement Treatment , Pathogenesis
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/13787
DOI: http://dx.doi.org/10.1016/j.ymgme.2011.06.007
URL: http://www.sciencedirect.com/science/article/pii/S1096719211001946
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Articulos(CCT - LA PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - LA PLATA
Citación
de Francesco, Pablo Nicolás; Mucci, Juan Marcos; Ceci, Romina; Fossati, Carlos Alberto; Rozenfeld, Paula Adriana; Higher apoptotic state in Fabry disease peripheral blood mononuclear cells: effect of globotriaosylceramide; Elsevier Inc; Molecular Genetics And Metabolism; 104; 3; 11-2011; 319-324
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