H. Nader

Publications420
h-index51
Citations8,492
Highly Influential Citations226
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Heparan sulfate proteoglycans: structure, protein interactions and cell signaling.
Heparan sulfate proteoglycans are ubiquitously found at the cell surface and extracellular matrix in all the animal species. This review will focus on the structural characteristics of the heparan… Expand
A novel expression profile of the Loxosceles intermedia spider venomous gland revealed by transcriptome analysis.
Spiders of the Loxosceles genus are cosmopolitan, and their venom components possess remarkable biological properties associated with their ability to act upon different molecules and receptors.… Expand
Brown spider dermonecrotic toxin directly induces nephrotoxicity.
Brown spider (Loxosceles genus) venom can induce dermonecrotic lesions at the bite site and systemic manifestations including fever, vomiting, convulsions, disseminated intravascular coagulation,… Expand
Distribution of sulfated glycosaminoglycans in the animal kingdom: widespread occurrence of heparin-like compounds in invertebrates.
Sulfated glycosaminoglycans were isolated from 23 species of 13 phyla of invertebrates and characterized by their electrophoretic migration in three different buffer systems coupled with enzymatic… Expand
Transport of UDP-Galactose into the Golgi Lumen Regulates the Biosynthesis of Proteoglycans (*)
The lumen of the Golgi apparatus is the subcellular site where galactose is transferred, from UDP-galactose, to the oligosaccharide chains of glycoproteins, glycolipids, and proteoglycans. The… Expand
Purification and substrate specificity of heparitinase I and heparitinase II from Flavobacterium heparinum. Analyses of the heparin and heparan sulfate degradation products by 13C NMR spectroscopy.
The purification of two heparitinases and a heparinase, in high yields from Flavobacterium heparinum was achieved by a combination of molecular sieving and cation-exchange chromatography. Heparinase… Expand
Structure and antithrombin-binding properties of heparin isolated from the clams Anomalocardia brasiliana and Tivela mactroides.
Heparin with high anticoagulant activity was isolated from the two marine clam species Anomalocardia brasiliana and Tivela mactroides. A large portion of the polysaccharide chains of both… Expand
Heparan sulfate and heparin interactions with proteins
Heparan sulfate (HS) polysaccharides are ubiquitous components of the cell surface and extracellular matrix of all multicellular animals, whereas heparin is present within mast cells and can be… Expand
Two novel dermonecrotic toxins LiRecDT4 and LiRecDT5 from brown spider (Loxosceles intermedia) venom: from cloning to functional characterization.
Loxoscelism (the condition produced by the bite of brown spiders) has been reported worldwide, but especially in warmer regions. Clinical manifestations include skin necrosis with gravitational… Expand
Crotamine Mediates Gene Delivery into Cells through the Binding to Heparan Sulfate Proteoglycans*
Recently we have shown that crotamine, a toxin from the South American rattlesnake Crotalus durissus terrificus venom, belongs to the family of cell-penetrating peptides. Moreover, crotamine was… Expand
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