{"product_id":"protevo-bio-igf1-lr3-human-insuline-like-growth-factor-1","title":"\u003ctc\u003eProtevo\u003c\/tc\u003e Bio IGF1-LR3 – 人类胰岛素样生长因子1","description":"\u003cp data-path-to-node=\"18\"\u003e\u003ctc\u003eProtevo\u003c\/tc\u003e Bio IGF1-LR3 是人类胰岛素样生长因子1的重组类似物，专为在细胞培养环境中显著增强生物效力和稳定性而设计。通过结合N端延伸和特定氨基酸替换，这种长效变体表现出对IGF结合蛋白（IGFBPs）的结合亲和力降低，IGFBPs通常抑制天然IGF-1的活性。这一改进延长了蛋白质在培养基中的半衰期，使其在较低浓度下持续刺激细胞增殖和存活。\u003c\/p\u003e\n\u003cp data-path-to-node=\"19\"\u003e通过\u003ci\u003e大肠杆菌\u003c\/i\u003e 发酵生产，并使用可扩展的无动物方法纯化，这种生长因子作为化学定义培养基中重组胰岛素的高性能替代品。它在支持培养肉应用中的干细胞和肌肉祖细胞扩展方面特别有效。蛋白质以冻干粉形式提供，具有高纯度和低内毒素水平，确保在研究和大规模生物制造工作流程中的一致可重复性。\u003c\/p\u003e","brand":"Protevo","offers":[{"title":"250 μg","offer_id":52158032052552,"sku":"IGF1-LR3-250","price":78.0,"currency_code":"GBP","in_stock":true},{"title":"1 毫克","offer_id":52158032085320,"sku":"IGF1-LR3-1","price":165.0,"currency_code":"GBP","in_stock":true},{"title":"10 mg","offer_id":52158032118088,"sku":"IGF1-LR3-10","price":822.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0906\/7570\/8232\/files\/Gemini_Generated_Image_lcojwglcojwglcoj-12-16-2025_08_51_AM.png?v=1765875111","url":"https:\/\/cellbase.com\/zh\/products\/protevo-%e7%94%9f%e7%89%a9-igf1-lr3-%e4%ba%ba%e7%b1%bb%e8%83%b0%e5%b2%9b%e7%b4%a0%e6%a0%b7%e7%94%9f%e9%95%bf%e5%9b%a0%e5%ad%90-1","provider":"Cellbase","version":"1.0","type":"link"}