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EGF Fc Chimera, Human

Recombinant Human EGF Fc Chimera produced in CHO cells is a polypeptide chain containing 286 amino acids with the C-termimal human IgG1 Fc fragment. A fully biologically active molecule, rhEGF has a molecular mass of 33-37 kDa analyzed by reducing SDS-PAGE and is obtained by chromatographic techniques at GenScript.
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Product Introduction
Species Human
Protein Construction
EGF (Asn971-Arg1023)
Accession # P01133		 hFc
N-term C-term
Purity > 95% as analyzed by SDS-PAGE
Endotoxin Level < 0.2 EU/μg of protein by gel clotting method
Biological Activity ED50 < 1.0 ng/ml, measured in a cell proliferation assay using Balb/3T3 cells.
Expression System CHO
Apparent Molecular Weight 33~37 kDa, on SDS-PAGE under reducing conditions.
Formulation Lyophilized from a 0.2 μm filtered solution in 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.
Storage & Stability Upon receiving, this product remains stable for up to 6 months at lower than -70°C. Upon reconstitution, the product should be stable for up to 1 week at 4°C or up to 3 months at -20°C. For long term storage it is recommended that a carrier protein (example 0.1% BSA) be added. Avoid repeated freeze-thaw cycles.
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EGF Fc Chimera, Human

ED₅₀< 1 ng/ml, measured in a cell proliferation assay using Balb/3T3 cells. »

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Background
Target Background Epidermal Growth Factor (EGF) is a potent growth factor that stimulates the proliferation of various epidermal and epithelial cells. Additionally, EGF has been shown to inhibit gastric secretion, and to be involved in wound healing. EGF signals through the EGF receptor (EGFR) also known as erbB1, is a class I tyrosine kinase receptor. This receptor also binds with TGF-α and VGF (vaccinia virus growth factor). EGF-receptor binding results in cellular proliferation, differentiation, and survival. EGF is a low-molecular-weight polypeptide first purified from the mouse submandibular gland, but since then found in many human tissues including submandibular gland, parotid gland. Salivary EGF, which seems also regulated by dietary inorganic iodine, also plays an important physiological role in the maintenance of oro-esophageal and gastric tissue integrity. The biological effects of salivary EGF include healing of oral and gastroesophageal ulcers, inhibition of gastric acid secretion, stimulation of DNA synthesis as well as mucosal protection from intraluminal injurious factors such as gastric acid, bile acids, pepsin, and trypsin and to physical, chemical and bacterial agents.
Synonyms Urogastrone; URG; epidermal growth factor
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For laboratory research use only. Direct human use, including taking orally and injection and clinical use are forbidden.