Abstract
Previous studies and ongoing research indicate the importance of an interaction between a putative receptor on dividing cells in hyperglycemia and the non-reducing end motifs of heparin stored in mast cell secretory granules and how this interaction prevents activation of hyaluronan synthesis in intracellular compartments and subsequent autophagy. This suggests a new role for endosomal heparanase in exposing this cryptic motif present in the initial large heparin chains on serglycin and in the highly sulfated (NS) domains of heparan sulfate.
Keywords:
Heparan sulfate; Heparanase; Heparin; Heparitinase; Hyaluronan.
Copyright © 2015. Published by Elsevier B.V.
Publication types
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Research Support, N.I.H., Extramural
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Review
MeSH terms
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Animals
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Autophagy / drug effects
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Autophagy / genetics
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Cell Division
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Diabetes Mellitus, Experimental / drug therapy
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Diabetes Mellitus, Experimental / genetics
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Diabetes Mellitus, Experimental / metabolism*
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Diabetes Mellitus, Experimental / pathology
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Diabetes Mellitus, Type 1 / genetics
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Diabetes Mellitus, Type 1 / metabolism
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Diabetes Mellitus, Type 1 / pathology
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Endosomes / drug effects
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Endosomes / metabolism
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Extracellular Matrix / chemistry
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Extracellular Matrix / drug effects
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Extracellular Matrix / metabolism
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Gene Expression
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Glucuronidase / genetics
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Glucuronidase / metabolism*
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Heparin / pharmacology*
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Heparitin Sulfate / metabolism
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Humans
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Hyaluronic Acid / biosynthesis
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Mast Cells / drug effects
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Mast Cells / metabolism
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Mast Cells / pathology
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Mesangial Cells / drug effects
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Mesangial Cells / metabolism*
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Mesangial Cells / pathology
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Proteoglycans / biosynthesis
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Rats
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Receptors, Cell Surface / genetics
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Receptors, Cell Surface / metabolism*
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Secretory Vesicles / chemistry
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Secretory Vesicles / metabolism
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Vesicular Transport Proteins / biosynthesis
Substances
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Proteoglycans
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Receptors, Cell Surface
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Vesicular Transport Proteins
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serglycin
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Hyaluronic Acid
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Heparin
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Heparitin Sulfate
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heparanase
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Glucuronidase