{"product_id":"culturegro-human-scf-animal-free-recombinant-protein","title":"CultureGro™ 人源SCF无动物源重组蛋白","description":"\u003cp\u003eCultureGro™ 人SCF（干细胞因子）是一种高纯度、生物活性的重组细胞因子，旨在支持造血细胞培养和干细胞扩增。SCF也被称为c-Kit配体，通过促进造血干细胞和祖细胞（HSPCs）的增殖、生存和分化，在造血过程中发挥关键作用。它与其他关键生长因子（如IL-3、IL-6和EPO）协同作用，支持多种细胞谱系的强大扩增，包括髓系、红系和淋巴系祖细胞。\u003c\/p\u003e\n\n\u003cp\u003e这种无动物源的重组蛋白是在大肠杆菌表达系统中生产的，并以高纯度冻干粉形式提供，分子量为18.4 kDa。经SDS-PAGE和HPLC分析纯化至≥98%，其内毒素浓度极低，为\u0026lt;0.1 EU\/μg，以防止不必要的细胞激活并确保在敏感培养系统中的一致性。其严格的质量控制确保了将R\u0026amp;D流程扩展到试点和生产环境的可靠基础。\u003c\/p\u003e\n\n\u003cp\u003e该蛋白的生物活性通过ED₅₀≤2.0 ng\/mL验证，测量方法为人TF-1细胞的剂量依赖性增殖，对应的比活性为≥5 x 10⁵单位\/mg。冻干产品在-20°C下储存可稳定长达一年。为获得最佳性能，请在无菌水或PBS中重溶至至少100 μg\/mL的浓度，并在-20°C下储存分装，避免反复冻融循环。\u003c\/p\u003e","brand":"Cell Culture Collective","offers":[{"title":"1 毫克","offer_id":53171307479368,"sku":"HSCF-AF-1mg","price":1841.0,"currency_code":"GBP","in_stock":true},{"title":"2 µg","offer_id":53171351683400,"sku":"HSCF-AF-2ug","price":59.0,"currency_code":"GBP","in_stock":true},{"title":"10 µg","offer_id":53171351716168,"sku":"HSCF-AF-10ug","price":133.0,"currency_code":"GBP","in_stock":true},{"title":"50 µg","offer_id":53171351748936,"sku":"HSCF-AF-50ug","price":243.0,"currency_code":"GBP","in_stock":true},{"title":"100 µg","offer_id":53171351781704,"sku":"HSCF-AF-100ug","price":324.0,"currency_code":"GBP","in_stock":true},{"title":"250 µg","offer_id":53171351814472,"sku":"HSCF-AF-250ug","price":645.0,"currency_code":"GBP","in_stock":true},{"title":"500 µg","offer_id":53171351847240,"sku":"HSCF-AF-500ug","price":1197.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0906\/7570\/8232\/files\/Growth-Factor-Photo_4b3ee0d3-e53d-4bcd-ade1-5c4ec3cd90d6.png?v=1779694854","url":"https:\/\/cellbase.com\/zh\/products\/culturegro-%e4%ba%ba%e6%ba%90scf%e6%97%a0%e5%8a%a8%e7%89%a9%e6%ba%90%e9%87%8d%e7%bb%84%e8%9b%8b%e7%99%bd","provider":"Cellbase","version":"1.0","type":"link"}