引用本文: |
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徐磊,杨翠香.广谱细胞生长因子的表达纯化与活性测定[J].同济大学学报(医学版),2001,(5):7-9. [点击复制]
- .Expression, Purification and Activity Determination of Recombinant Basic Fibroblast Growth Factor[J].Journal of Tongji University(Medical Science),2001,(5):7-9. [点击复制]
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摘要: |
目的 对人工合成的人广谱细胞生长因子基因进行体外表达与纯化,并测定其活性。方法 将人广谱细胞生长因子基因克隆于pGEX 4T-1表达载体,转化于大肠杆菌BL21菌株进行诱导表达,利用亲和层析纯化表达产物,通过体外培养的大鼠成纤维细胞存活实验检验其活性。结果 携带重组质粒的菌株经诱导产生高水平的表达产物,纯化的表达产物具备较高的纯度,并基本保有其天然活性。结论 广谱细胞生长因子表达体系的成功建立,为该产品功能的进一步研究与临床应用创造了条件。 |
关键词: 细胞生长因子 基因表达 成纤维细胞 基因克隆 载体 |
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修订日期:2001-04-02 |
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基金项目:铁道部医学专项基金资助项目(B9972) |
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Expression, Purification and Activity Determination of Recombinant Basic Fibroblast Growth Factor |
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Abstract: |
Objective To express the basic fibroblast growth factor (bFGF) gene in bacteria, to purify the product and to determine its activity.Methods The bFGF gene was cloned into pGEX 4T 1 expression vector. BL21 strain of Escherichia coli was transformed wit |
Key words: growth factor,gene expression,fibroblast |