Sci Rep:转录因子PAX6可作为非小细胞肺癌的预后因子和假定肿瘤抑制基因

2018-03-23 xiangting MedSci原创

这项研究结果强烈支持PAX6在淋巴结阳性的非小细胞肺癌患者中可作为有效和阳性的预后指标。

肺癌是导致癌症死亡的主要原因。需要新的预测性生物标志物来改善治疗的选择和更准确的预测预后。PAX6是一种潜在的具有肿瘤抑制功能的转录因子。

研究人员对来自335例非小细胞肺癌NSCLC)患者的组织微阵列进行免疫组化染色以检测PAX6。对临床病理指标和疾病特异性生存率(DSS)进行多变量分析,并描述了敲除PAX6的2种NSCLC细胞系的表型变化。

尽管PAX6的表达仅与疾病特异性生存率(DSS)的趋势较好有相关性(P = 0.10),但pN+亚组(N = 103)显示PAX6高表达和较长DSS有显著相关性(p=0.022)。高PAX6表达的pN+患者的中位生存期为127.4个月,而低PAX6表达的患者为22.9个月。在NCI-H661细胞中,敲除 PAX6强烈激活血清刺激的迁移。在NCI-H460细胞中,敲除PAX6激活锚着非依赖性生长。两个细胞系中均没有观察到PAX6对增殖的任何显著影响。

这项研究结果强烈支持PAX6在淋巴结阳性的非小细胞肺癌患者中可作为有效和阳性的预后指标。需要进一步的研究来提供PAX6在非小细胞肺癌中作用的机制解释。

原始出处:

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    2019-02-12 mjldent
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    2018-04-30 lqvr
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