HGF is a potent, mesenchymally-derived mitogen for mature parenchymal hepatocytes, and acts as a growth factor for a broad spectrum of tissues and cell types. HGF signals through a transmembrane tyrosine kinase receptor known as MET. Activities of HGF include the induction of cell proliferation, motility, morphogenesis, inhibition of cell growth, and enhancement of neuron survival. HGF is a crucial mitogen for liver regeneration processes, especially after partial hepatectomy and other liver injuries. HGF, also known as scatter factor and hepatopoietin A, is a pleiotropic protein in the plasminogen subfamily of S1 peptidases. It is a multidomain molecule that includes an N-terminal PAN/APPLE‑like domain, four Kringle domains, and a serine proteinase-like domain that has no detectable protease activity. It is cleaved after the fourth Kringle domain by a serine protease to form bioactivedisulfide‑linked HGF with a 60 kDa alpha and 30 kDa beta chain. Alternate splicing generates human HGF isoforms that lack the proteinase‑like domain and different numbers of the Kringle domains. Human HGF shares 91%‑94% aa sequence identity with bovine, canine, feline, mouse, and rat HGF. HGF binds heparan-sulfate proteoglycans and the widely expressed receptor tyrosine kinase, HGF R/c-MET. Product Properties Synonyms Scatter Factor (SF), Hepatopoietin (HPTA) Accession P14210 Gene ID 3082 Source CHO-derived Human HGF protein, Gln32-Ser728 Molecular Weight 88~90 kDa (single chain), 59~61 kDa (alpha chain), 30~34 kDa (beta chain), on SDS-PAGE under reducing conditions. Tag None Purity > 95% by SDS-PAGE. Biological Activity ED50 < 10.0 ng/ml, measured in a cell proliferation assay using 4MBr5 cells, corresponding to a specific activity of > 1.0 × 105 units/mg. Endotoxin < 0.2 EU per 1μg of the protein by the LAL method. Formulation Lyophilized after extensive dialysis against PBS. Reconstitution It is recommended that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute the lyophilized powder in ddH₂O or PBS up to 100 μg/ml. For long term storage it is recommended that a carrier protein (example 0.1% BSA) be added. Shipping and Storage The products are shipped with ice pack and can be stored at -80℃ for 1 year. 1 week, 2 to 8 °C under sterile conditions after reconstitution. 3 months, -20 °C under sterile conditions after reconstitution. Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles. Cautions 1.Avoid repeated freeze-thaw cycles. 2.For your safety and health, please wear lab coats and disposable gloves for operation. 3.For research use only. Documents: Manual 92055_Manual_HB20260827
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