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STUDIES ON ANTITUMOR ACTIVITY OF rhENDOSTATIN
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- Author:
- No author available
- Journal Title:
- ACTA PHARMACEUTICA SINICA
- Issue:
- 10
- DOI:
- 10.3321/j.issn:0513-4870.2002.10.003
- Key Word:
- 重组人内抑素;抗肿瘤活性;血管内皮细胞
Abstract： 目的观察重组人内抑素抗肿瘤活性及对血管内皮细胞增殖的抑制作用.方法用人癌裸鼠移植性肿瘤及小鼠移植性肿瘤模型对重组人内抑素进行抗肿瘤药效学观察,用MTT法观察其对血管内皮细胞及肿瘤细胞增殖的抑制作用.结果重组人内抑素,可明显抑制人胃癌BGC803和人乳腺癌B37裸鼠移植性肿瘤的生长,对小鼠肝癌H22实体瘤亦呈一定的抑制作用.MTT试验结果显示重组人内抑素可抑制人胎脐静脉血管内皮细胞ECV304的增殖,对人结肠癌HCT-8等肿瘤细胞的增殖无影响.结论重组人内抑素具有较强的抗肿瘤作用,其作用机理可能与抑制血管内皮细胞增殖、抑制肿瘤新生血管形成有关.
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