背景资料: Fetuin is a liver-produced negative acute phase protein composed of two subunits, the A and B chains.Fetuin homologs have bn identified in several species including rat, shp, pig, rabbit, guinea pig, cattle, mouse and human. Multiple physiological roles for these homologs have bn suested, including ability to bind to hydroxyapatite crystals and to specifically inhibit the tyrosine kinase (TK) activity of the insulin receptor (IR).Fetuin-A (alpha2-Heremans-Schmid glycoprotein; AHSG) is an important circulating inhibitor of calcification in vivo, and is downregulated during the acute-phase response.Sera from patients on long-term dialysis with low AHSG concentrations showed impaired ex-vivo capacity to inhibit CaxPO4 precipitation.Fetuin may influence the resolution of inflammation by modulating the phagocytosis of apoptotic cells by macrophages.ASHG blocks TGF-beta-dependent signaling in osteoblastic cells, and mice lacking ASHG display growth plate defects, increased bone formation with age, and enhanced cytokine-dependent osteogenesis.
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来源宿主: 人血浆中提取纯化
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溶解建议: Filtered White lyophilized (freeze-dried) powder. Filtered (0.4um) and lyophilized from 0.5 mg/ml in PBS pH 7.4. It is recommended to add deionized water to prepare a working stock solution of approximately 0.5mg/ml and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture.
保存建议: Store the lyophilized protein at -20℃. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4℃ for a limited period of time; it does not show any change after two weeks at 4℃. The lyophilized protein remains stable until the expiry date when stored at -20℃.
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