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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细胞是结肠直肠癌患者复发和存活的预测标志物

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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,我们已经表明CD8 + T / Foxp3 +细胞比例但单独的FoxP3 +细胞数是结直肠癌的独立预后因素。在本研究中,我们评估了肿瘤内Foxp3 + Vegfr2 +(ITFoxP3 + VEGFR2 +)T细胞的数量是否可以是结直肠癌患者存活预测的预测因素。肿瘤部位在衍生的88例原发性结直肠癌患者的肿瘤部位分布是荧光 - 免疫组织化学检查。相对较少的ITFOXP3 + VEGFR2 +细胞与无病的存活(DS)和总存活(OS)显着相关。多变量分析表明,ITFOXP3 + VEGFR2 +细胞的数量是DS和OS的独立预测和预后因子,而腹腔富曲面无氧化术3 +细胞数和腹腔内FOXP3 + VEGFR2-细胞数量也不是与DS或OS显着相关。这些结果表明Foxp3 + Vegfr2 +可以是比Foxp3 +更好的预测性Treg标记,仅用于结直肠癌患者的复发和存活。

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