NCBI and Uniprot Product Information
NCBI Description
Heparan sulfate proteoglycans are major components of the basement membrane and extracellular matrix. The protein encoded by this gene is an enzyme that cleaves heparan sulfate proteoglycans to permit cell movement through remodeling of the extracellular matrix. In addition, this cleavage can release bioactive molecules from the extracellular matrix. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2011]
Uniprot Description
HPSE: Endoglycosidase that cleaves heparan sulfate proteoglycans (HSPGs) into heparan sulfate side chains and core proteoglycans. Participates in extracellular matrix (ECM) degradation and remodeling. Selectively cleaves the linkage between a glucuronic acid unit and an N-sulfo glucosamine unit carrying either a 3-O-sulfo or a 6-O-sulfo group. Can also cleave the linkage between a glucuronic acid unit and an N-sulfo glucosamine unit carrying a 2-O-sulfo group, but not linkages between a glucuronic acid unit and a 2-O-sulfated iduronic acid moiety. It is essentially inactive at neutral pH but becomes active under acidic conditions such as during tumor invasion and in inflammatory processes. Facilitates cell migration associated with metastasis, wound healing and inflammation. Enhances shedding of syndecans, and increases endothelial invasion and angiogenesis in myelomas. Acts as procoagulant by increasing the generation of activation factor X in the presence of tissue factor and activation factor VII. Increases cell adhesion to the extacellular matrix (ECM), independent of its enzymatic activity. Induces AKT1/PKB phosphorylation via lipid rafts increasing cell mobility and invasion. Heparin increases this AKT1/PKB activation. Regulates osteogenesis. Enhances angiogenesis through up- regulation of SRC-mediated activation of VEGF. Implicated in hair follicle inner root sheath differentiation and hair homeostasis. Belongs to the glycosyl hydrolase 79 family.
Protein type: Glycan Metabolism - glycosaminoglycan degradation; Secreted; Extracellular matrix; EC 3.2.1.166; Secreted, signal peptide; Hydrolase
Chromosomal Location of Human Ortholog: 4q21.3
Cellular Component: nucleoplasm; lysosomal lumen; intracellular membrane-bound organelle; lysosome; lysosomal membrane; extracellular region; nucleus; lipid raft
Molecular Function: protein dimerization activity; syndecan binding; protein binding; beta-glucuronidase activity; heparanase activity
Biological Process: positive regulation of hair follicle development; proteoglycan metabolic process; positive regulation of protein kinase B signaling cascade; glycosaminoglycan catabolic process; positive regulation of blood coagulation; heparan sulfate proteoglycan catabolic process; glycosaminoglycan metabolic process; cell-matrix adhesion; positive regulation of osteoblast proliferation; carbohydrate metabolic process; pathogenesis; regulation of hair follicle development
Research Articles on HPA
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Product Notes
The Rabbit HPA hpse (Catalog #AAA2601427) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA2601427 ELISA Kit recognizes Rabbit HPA. It is sometimes possible for the material contained within the vial of "Heparanase (HPA), ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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