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Intratumoral FOXP3+VEGFR2+ regulatory T cells are predictive markers for recurrence and survival in patients with colorectal cancer

机译:肿瘤内FOXP3 + VEGFR2 +调节性T细胞是大肠癌患者复发和生存的预测指标

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摘要

Previously, we have shown that CD8+T/FOXP3+ cell ratio but not FOXP3+ cell number alone is an independent prognostic factor for colorectal cancer. In the present study, we evaluated whether the number of intratumoral FOXP3+VEGFR2+ (itFOXP3+VEGFR2+) T cells alone could be a predictive factor for survival prognosis in patients with colorectal cancer. Distribution of regulatory T cells (Tregs) at tumor sites derived from 88 patients with primary colorectal cancer was fluorescence-immunohistochemically examined. Relatively low number of itFOXP3+VEGFR2+ cells significantly correlated with poor disease-free survival (DS) and overall survival (OS); multivariate analysis indicated that number of itFOXP3+VEGFR2+ cells is an independent predictive and prognostic factor of DS and OS while neither intratumoral FOXP3+ cell number nor intratumoral FOXP3+VEGFR2- cell number alone showed significant correlation with DS or OS. These results suggest that FOXP3+VEGFR2+ may be a better predictive Treg marker than FOXP3+ alone for recurrence and survival in patients with colorectal cancer.
机译:以前,我们已经证明CD8 + T / FOXP3 +细胞比率而不是FOXP3 +细胞数目是大肠癌的独立预后因素。在本研究中,我们评估了单独的肿瘤内FOXP3 + VEGFR2 +(itFOXP3 + VEGFR2 +)T细胞的数量是否可以作为大肠癌患者生存预后的预测因素。荧光免疫组织化学方法检测了88例原发性结直肠癌患者肿瘤部位的调节性T细胞(Tregs)分布。 itFOXP3 + VEGFR2 +细胞的数量较少与无病生存期(DS)和总体生存期(OS)显着相关;多变量分析表明,itFOXP3 + VEGFR2 +细胞数量是DS和OS的独立预测和预后因素,而单独的肿瘤内FOXP3 +细胞数量和肿瘤内FOXP3 + VEGFR2-细胞数量均未与DS或OS显着相关。这些结果表明,对于大肠癌患者的复发和生存,FOXP3 + VEGFR2 +可能是比单独的FOXP3 +更好的预测性Treg标记。

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