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Trans-arterial gene therapy for hepatocellular carcinoma in a rabbit model 被引量:7

Trans-arterial gene therapy for hepatocellular carcinoma in a rabbit model
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摘要 AIM: To study the effect of adenovirus (Ad)-p53 gene therapy on hepatocellular carcinoma (HCC) in a rabbit model.METHODS: VX2 tumor was grown in the liver of 24rabbits. Animals were divided into four groups: group A receiving trans-arterial gene therapy (Ad-p53) only,group B receiving combined Ad-p53 therapy and transarterial embolization (lipiodol), group C receiving transarterial chemoembolization (lipiodol + mitomycin C),control group (D) receiving sodium chloride. Tumor volume (V1) was measured by using MRI (d 13).Interventional procedure was applied (d 14).Tumor volume (V2) was assessed by MRT (d 21) and the mean ratio (V2/V1) was calculated. After the second MRI,specimens of the liver were abstained and examined immunohistochemically using mutant-type p53 antibody.The positive expression was scored.RESULTS: Compared with control group ((^-x) = 3.14± 0.64), therapeutic groups all showed a significant decrease in the tumor growth ratio (P 〈 0.05). A slight difference was found between group A ((^-x) =2.35 ±0.59) and group B ((^-x) = 1.75 ± 0.28) (P = 0.048). Nostatistically significant difference was observed between group B and group C ((^-x) = 2.00 ± 0.44). The positive expression rate of mutant-type p53 was the lowest in group B and significantly different between group A and group C (P 〈 0.05).Compared to the control subjects, groups A and C both showed a decrease in the expression of mutant-type p53, but there was no significant difference between them.CONCLUSION: Trans-arterial Ad-p53 gene therapy can reduce tumor growth of HCC in rabbit model. 瞄准:学习在一只兔子的肝细胞癌(HCC ) 上的 -p53 基因治疗建模的侵入人体气管粘膜的病菌(广告) 的效果。方法:VX2 肿瘤在 24 只兔子的肝被种。动物被划分成四个组:仅仅,收到 trans 动脉的基因治疗(Ad-p53 ) 的组 A 组织收到联合 Ad-p53 治疗和 trans 动脉的 embolization (碘油) 的 B,收到 trans 动脉的 chemoembolization (碘油 +mitomycin C ) 的组 C,控制组(D) 收到氯化钠。肿瘤体积(V1 ) 被使用 MRI 测量(d 13 ) 。Interventional 过程被使用(d 14 ) 。肿瘤体积(V2 ) 被 MRI 估计(d 21 ) 并且吝啬的比率(V2/V1 ) 被计算。在第二 MRI 以后,肝的标本被弃权并且用变异类型的 p53 抗体组织化学地检验了免疫。积极表示被获得。结果:与控制组相比(吝啬的 = 3.14 +/- 0.64 ) ,治疗学的组都在肿瘤生长比率显示出重要减少(P < 0.05 ) 。细微差别在组 A 之间被发现(吝啬的 = 2.35 +/- 0.59 ) 并且组 B (吝啬的 = 1.75 +/- 0.28 )(P = 0.048 ) 。不,统计上,有效差量在组 B 和组 C 之间被观察(吝啬的 = 2.00 +/- 0.44 ) 。变异类型的 p53 的积极表示率在组 B 并且显著地是最低的在组 A 和组 C 之间不同(P < 0.05 ) 。比作控制题目,组 A 和 C 在变异类型的 p53 的表示显示出减少,但是在他们之间没有有效差量。结论:在兔子的 HCC 的 Trans 动脉的 Ad-p53 基因治疗罐头还原剂肿瘤生长当模特儿。
出处 《World Journal of Gastroenterology》 SCIE CAS CSCD 2007年第14期2113-2117,共5页 世界胃肠病学杂志(英文版)
关键词 Liver hepatocellular carcinoma Trans-arterial chemoembolization Gene therapy 肝细胞癌 家兔模型 经动脉化疗栓塞 基因治疗
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