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肝硬化肝癌立体定向照射后细胞因子表达的实验研究

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摘要 目的应用兔肝硬化肝癌模型观察肝病状态下肝癌照射后放射性肝损伤的细胞因子变化。方法肝硬化肝癌兔16只(实验组1),随机分为两组,每组8只,分别给予单次剂量20,30Gy的立体定向照射;8只单纯接种肝癌兔(实验组2),随机分为两组,每组4只,按上述方法分别给予相同照射。照射后3周全部处死,应用EV二步法分别观察照射后实验组1与实验组2兔肝组织GST-π的变化。结果①给予20Gy照射,实验组1GST-π在癌周组织的表达比实验组2GST-π的表达高,两组间差异有显著性(P=0.010);②给予30Gy照射,实验组1GST-π在癌周组织的表达与实验组2GST-π的表达相似,两组间差异无显著性(P=1.000);③实验组1不同剂量照射后,高剂量组(30Gy)GST-π在癌周组织和肝癌组织的表达比低剂量组(20Gy)的表达低,两组间差异有显著性(P=0.010)。结论①实验性肝硬化肝癌的照射效果单次剂量30Gy优于20Gy;②GST-π可作为评价肝硬化肝癌照射效果的参考指标。
出处 《广东医学》 CAS CSCD 北大核心 2008年第5期758-760,共3页 Guangdong Medical Journal
基金 广东省自然科学基金资助项目(编号:05004743)
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