FEBS Letters 2016-03-01

Lysosomal glycosphingolipid catabolism by acid ceramidase: formation of glycosphingoid bases during deficiency of glycosidases.

Maria J Ferraz, André R A Marques, Monique D Appelman, Marri Verhoek, Anneke Strijland, Mina Mirzaian, Saskia Scheij, Cécile M Ouairy, Daniel Lahav, Patrick Wisse, Herman S Overkleeft, Rolf G Boot, Johannes M Aerts

文献索引：FEBS Lett. 590 , 716-25, (2016)

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摘要

Glycosphingoid bases are elevated in inherited lysosomal storage disorders with deficient activity of glycosphingolipid catabolizing glycosidases. We investigated the molecular basis of the formation of glucosylsphingosine and globotriaosylsphingosine during deficiency of glucocerebrosidase (Gaucher disease) and α-galactosidase A (Fabry disease). Independent genetic and pharmacological evidence is presented pointing to an active role of acid ceramidase in both processes through deacylation of lysosomal glycosphingolipids. The potential pathophysiological relevance of elevated glycosphingoid bases generated through this alternative metabolism in patients suffering from lysosomal glycosidase defects is discussed. © 2016 Federation of European Biochemical Societies.

相关化合物

  • 盐酸氮芥
  • 氟脲己胺

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