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微卫星不稳定与Ⅱ期结直肠癌化疗的相关性探讨 被引量:3

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摘要 FOLFOX方案[氟尿嘧啶(5-FU)、甲酰四氢叶酸(LV)加奥沙利铂]为目前Ⅲ期结肠癌术后标准辅助治疗方案,其中FOLFOX4方案的5年无病生存率达66.4%[1].而Ⅱ期结直肠癌术后是否需要辅助化疗,一直是争论的热点,至今仍未达成共识.研究表明,结直肠肿瘤的临床特征对Ⅱ期患者预后评估和化疗反应性预测作用是有限的[2].具有类似临床特征的患者对相同化疗方案的反应性不同,这很可能与肿瘤的遗传学和表观遗传学特征有关,同时也取决于个体的微环境.因此,理想的治疗方案应着眼于肿瘤和宿主的分子(基因组学和蛋白组学)特征,并结合患者的临床病理特点综合决定.目前,对肿瘤分子生物学认识的进展,提示肿瘤相关分子标记物可能更好的辨别能从辅助化疗中受益的高危群体.其中微卫星不稳定性(microsatellite instability,MSI)是目前的研究热点之一.
出处 《中华胃肠外科杂志》 CAS 北大核心 2010年第12期953-955,共3页 Chinese Journal of Gastrointestinal Surgery
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