{"product_id":"defined-bioscience-fgf2-g3-growth-factor-bovine","title":"\u003ctc\u003eDefined Bioscience\u003c\/tc\u003e FGF2-G3 生长因子（牛源）","description":"\u003cp data-start=\"89\" data-end=\"585\"\u003e\u003ctc\u003eDefined Bioscience\u003c\/tc\u003e的FGF2-G3（牛）是热稳定化的重组牛成纤维细胞生长因子2，专为培养肉细胞培养而设计。它支持牛肌肉和干细胞的增殖和维持，所需的培养基补充最少。该变体的增强热稳定性确保在37°C下长时间保持一致的活性，消除了每日或周末更换培养基的需要，并减少了长期培养中的过程变异性。\u003c\/p\u003e\n\n\u003cp data-start=\"587\" data-end=\"1166\"\u003e蛋白质序列来源于\u003cem data-start=\"624\" data-end=\"636\"\u003eBos taurus\u003c\/em\u003e FGF2（UniProt P03969），通过引入九个关键氨基酸替换来提高热稳定性和生物活性。这些修改与在人类FGF2-G3变体中被证明有效的修改相似，带来了相同的稳定性优势。FGF2-G3（牛）在\u003cem data-start=\"923\" data-end=\"932\"\u003eE. coli\u003c\/em\u003e, 无动物来源中重组表达，并通过SDS-PAGE确认纯度超过95%。在NIH-3T3增殖实验中，其EC₅₀低于1 ng\/mL，表明在与天然FGF2相比的低浓度下具有高效力。\u003c\/p\u003e\n\u003cp data-start=\"1168\" data-end=\"1517\"\u003e提供为无菌1 mg\/mL液体或冻干粉末形式，该蛋白质可以重构为标准缓冲液配方，并可直接替代野生型FGF2用于无血清和化学定义的培养基。其特定物种序列使其非常适合用于培养肉类开发和规模化研究的牛细胞系。\u003c\/p\u003e\n\u003cp data-start=\"1519\" data-end=\"1605\"\u003e仅供研究和开发使用。不得用于人类或诊断应用。\u003c\/p\u003e","brand":"Defined Bioscience","offers":[{"title":"液体（即用型） \/ 10 µg","offer_id":51985615552840,"sku":"LSR-302-10-L","price":67.0,"currency_code":"GBP","in_stock":true},{"title":"液体（即用型） \/ 50 µg","offer_id":51985615585608,"sku":"LSR-302-50-L","price":187.0,"currency_code":"GBP","in_stock":true},{"title":"液体（即用型） \/ 100 µg","offer_id":51985615618376,"sku":"LSR-302-100-L","price":261.0,"currency_code":"GBP","in_stock":true},{"title":"液体（即用型） \/ 1 毫克","offer_id":51985615651144,"sku":"LSR-302-1MG-L","price":707.0,"currency_code":"GBP","in_stock":true},{"title":"粉末（重组） \/ 10 µg","offer_id":51985615683912,"sku":"LSR-302-10-P","price":67.0,"currency_code":"GBP","in_stock":true},{"title":"粉末（重组） \/ 50 µg","offer_id":51985615716680,"sku":"LSR-302-50-P","price":187.0,"currency_code":"GBP","in_stock":true},{"title":"粉末（重组） \/ 100 µg","offer_id":51985615749448,"sku":"LSR-302-100-P","price":261.0,"currency_code":"GBP","in_stock":true},{"title":"粉末（重组） \/ 1 毫克","offer_id":51985615782216,"sku":"LSR-302-1MG-P","price":707.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0906\/7570\/8232\/files\/FGF2-G3_bovine_growth_factor_-_Defined_Bioscience.webp?v=1762962459","url":"https:\/\/cellbase.com\/zh\/products\/defined-bioscience-fgf2-g3-%e7%94%9f%e9%95%bf%e5%9b%a0%e5%ad%90-%e7%89%9b%e6%ba%90","provider":"Cellbase","version":"1.0","type":"link"}