CLIN CANCER RES:结直肠癌STAT3表达与患者生存之间的关系

2017-04-08 MedSci MedSci原创

结直肠癌是消化道系统常见的恶性肿瘤,占胃肠道肿瘤的第二位。在结直肠癌患者中,高密度局部炎症浸润反应与生存期延长有关,系统性炎症增强则与不良预后有关,其中一个可能的机制就是IL6/JAK/STAT3通路。

结直肠癌是消化道系统常见的恶性肿瘤,占胃肠道肿瘤的第二位。在结直肠癌患者中,高密度局部炎症浸润反应与生存期延长有关,系统性炎症增强则与不良预后有关,其中一个可能的机制就是IL6/JAK/STAT3通路。

CLIN CANCER RES近期发表了一篇文章,研究了肿瘤总STAT3以及磷酸化STAT3Tyr705(pSTAT3)表达与宿主炎症反应、Ⅰ-Ⅲ期结直肠癌患肿瘤切除后生存情况之间的关系。研究共纳入193例患者。作者使用通过组织芯片,使用免疫组化的方法分析STAT3/pSTAT3表达,评估STAT3/pSTAT3表达与局部炎症反应(CD3+、CD8+、CD45R0+、FOXP3+T细胞密度以及Klintrup-Makinen分级)、系统性炎症反应以及肿瘤特异性生存率之间的关系。研究结果发现细胞质与细胞核STAT3表达显着相关(P<0.001),核STAT3与pSTAT3表达弱相关(P=0.068)。细胞质STAT3与癌巢中的CD3+、CD8+以及FOXP3+T细胞密度成反比,并且与经Glasgow预后评分判断的增强的系统炎症反应有关。

文章最后得出结论,接受肿瘤切除的结直肠癌患者,STAT3表达与不良宿主炎症反应以及生存率下降有关。肿瘤STAT3上调可能是肿瘤干扰局部及系统炎症反应的重要机制。

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    2017-04-10 李研东
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    2017-04-09 lovetcm

    意义比较小!

    0

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