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The recent cloning and characterization of the human histamine H(3) receptor cDNA marked a significant step toward a greater understanding of the role of this receptor in the central nervous system. We now report the cloning of the rat histamine H(3) receptor cDNA and demonstrate distinct pharmacological species differences. The rat cDNA clone encodes a(More)
Fabry disease is a lysosomal storage disorder caused by the deficiency of alpha-Gal A (alpha-galactosidase A) activity. In order to understand the molecular mechanism underlying alpha-Gal A deficiency in Fabry disease patients with residual enzyme activity, enzymes with different missense mutations were purified from transfected COS-7 cells and the(More)
Gaucher disease is an autosomal recessive lysosomal storage disorder caused by the deficient activity of glucocerebrosidase. Accumulation of glucosylceramide, primarily in the lysosomes of cells of the reticuloendothelial system, leads to hepatosplenomegaly, anemia and skeletal lesions in type I disease, and neurologic manifestations in types II and III(More)
Fabry disease (FD) results from mutations in the gene (GLA) that encodes the lysosomal enzyme α-galactosidase A (α-Gal A), and involves pathological accumulation of globotriaosylceramide (GL-3) and globotriaosylsphingosine (lyso-Gb3). Migalastat hydrochloride (GR181413A) is a pharmacological chaperone that selectively binds, stabilizes, and increases(More)
Fabry disease is an inborn error of glycosphingolipid metabolism caused by deficiency of alpha-galactosidase A (alpha-Gal A) activity. It has been shown that protein misfolding is primarily responsible for the enzyme deficiency in a large proportion of mutations identified in Fabry patients with residual enzyme activity, and 1-deoxygalactonojirimycin (DGJ)(More)
The lysosomal enzyme alpha-galactosidase A (alpha-Gal A) metabolizes neutral glycosphingolipids that possess alpha-galactoside residues at the non-reducing terminus, and inherited defects in the activity of alpha-Gal A lead to Fabry disease. We describe here an efficient and rapid purification procedure for recombinant alpha-Gal A by sequential Concanavalin(More)
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