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进展期胃癌术中动脉化疗对p53和ki-67表达及细胞凋亡作用的影响

Chinese Journal of Current Advances in General Surgery(2009)

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Abstract
目的:观察进展期胃癌术中动脉化疗对原发灶和癌旁转移淋巴结p53、ki-67表达和细胞凋亡的影响.方法:35例进展期胃癌随机分为2组,20例术中经胃周动脉灌注化疗药物即术中灌注(intraoperative artery infusion chemotherapy,IAIC)组,1 5例术前介入化疗即术前介入组.采用免疫组织化学SP法检测原发灶和癌旁转移淋巴结p53、ki-67蛋白基因表达和TUNEL法检测细胞凋亡情况.结果:2组动脉化疗前、动脉化疗后p53、ki-67蛋白表达及细胞凋亡指数(apoptosis index,AI)组内比较差异有统计学意义(P<0.05);2组立即有效性差异无统计学意义(P>0.05);IAIC组治疗后原发灶、癌旁转移淋巴结的p53、ki-67表达与术前介入组治疗后比较差异无统计学意义(P>0.05);治疗后IAIC组原发灶、癌旁淋巴结的Al不如术前介入组(P<0.05).结论:进展期胃癌IAIC可增强药代动力学优势和精确的靶向化疗,对减少和防止术中癌细胞的医源性扩散、种植及术后复发有重要的临床意义,IAIC可望成为进展期胃癌多模式治疗重要的组成部分.
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Key words
Advanced gastric carcinoma·Drug therapy·p53·ki-67·Gene expression·Cell apoptosis
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