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Synergistic effects of cryotherapy and rhTNFα in the treatment of C6 brain glioma
Author(s): 
Pages: 525-528
Year: Issue:  6
Journal: TUMOR

Keyword:  神经胶质瘤/治疗冷冻疗法肿瘤坏死因子综合疗法大鼠Wistar;
Abstract: 目的:探讨冷冻联合rhTNF-α治疗C6大鼠脑胶质瘤的可行性.方法:借助于立体定位技术,将C6胶质瘤细胞接种于80只雄性Wistar大鼠脑S1区,待肿瘤长至第15天,直径约6 mm时,随机将荷瘤鼠分为4组:G1、G2、G3、G4分别为生理盐水对照组、冷冻治疗组、rhTNF-α治疗组及联合治疗组,每组20只,分别行相应的治疗.治疗后第15天,采用免疫组化检测PCNA的表达;行核磁共振(MRI)检查,测量肿瘤体积和抑瘤率.动态观察各组荷瘤鼠生存期和rhTNF-α对荷瘤鼠的毒副作用.结果:联合治疗组PCNA的表达情况、肿瘤体积和生存期与其他各组相比有显著差异,且该组对肿瘤生长的抑制率(89.48%)明显高于冷冻组(66.31%)和TNF-α组(49.01%),且大于理论抑瘤率(82.82%).同时观察到rhTNF-α对实验动物有一定毒副作用.结论:冷冻和rhTNF-α联合应用,具有协同抗肿瘤作用,为进一步临床研究提供了实验依据.
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