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蝎毒多肽提取物对小鼠S180肉瘤和H22肝癌血管生成抑制作用的实验研究

JOURNAL OF SHANDONG UNIVERSITY OF TRADITIONAL CHINESE MEDICINE(2005)

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Abstract
目的:在器官和体内水平观察东亚钳蝎蝎毒的多肽提取物(PESV)的抗血管生成活性和对肿瘤生长的抑制作用.方法:①观察PESV对鸡胚尿囊膜(CAM)新生血管生成的影响.②观察皮下注射PESV(0.3 mg/kg)对S180肉瘤和H22肝癌荷瘤小鼠肿瘤生长和肿瘤血管生成的影响.③用免疫组化的方法观察PESV对S180肉瘤和H22肝癌荷瘤小鼠肿瘤组织血管内皮细胞生长因子VEGF和bRGF表达的影响.结果:0.5 mg/CAM和0.8 mg/CAM的PESV能明显抑制CAM新生血管的形成.PESV能明显抑制小鼠S180肉瘤和H22肝癌的肿瘤生长和血管生成水平,并降低肿瘤组织内血管生成相关因子VEGF和bFGF的表达.结论:PESV具有良好的体内和体外抗肿瘤血管生成活性,并藉此抑制肿瘤的生长.
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Key words
polypeptide extract,venom,hepatoma,sarcoma
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