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人工合成VEGF表位模拟7肽的生物学功能研究

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摘要 目的: 检测人工合成血管内皮细胞生长因子(VEGF)表位模拟 7肽特异抑制VEGF促进人脐静脉内皮细胞(HUVEC)生长的活性。方法: 通过噬菌体展示技术, 筛选获得了表达模拟肽的阳性噬菌体克隆, 经测序得到VEGF表位模拟肽序列: GWYYDAX。人工合成该短肽, 用体外细胞培养的方法检测其对HUVEC的生长抑制作用。结果: 表位模拟肽GWYYDAX可剂量依赖性抑制VEGF促进HUVEC生长的活性。结论: VEGF表位模拟肽可能模拟了VEGF的部分结构, 竞争结合HUVEC细胞VEGF受体 (KDR), 阻断了VEGF VEGFR的信号传递而抑制细胞生长, 具有潜在的应用前景。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2005年第1期37-38,共2页 Chinese Journal of Cellular and Molecular Immunology
基金 国家自然科学基金资助项目(No. 30471607)
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