TBX21 predicts prognosis of patients and drives cancer stem cell maintenance via the TBX21-IL-4 pathway in lung adenocarcinoma.

TBX21 predicts prognosis of patients and drives cancer stem cell maintenance via the TBX21-IL-4 pathway in lung adenocarcinoma.
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DOI:
10.1186/s13287-018-0820-6
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发表时间:
2018-04-03
影响因子:
7.5
通讯作者:
Wang L
Wang L
中科院分区:
医学2区
文献类型:
--
作者:
Zhao S;Shen W;Yu J;Wang L

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Th1 细胞特异性转录因子 TBX21 作为 Th1 细胞因子干扰素 γ (IFN-γ) 表达的调节因子。然而,TBX21与癌症干性相关的具体功能仍不清楚。通过单变量和多变量生存分析,TBX21 被确定为独立预测因素,并且与 1389 名肺腺癌 (LUAD) 患者的不良预后相关。通过功能富集分析探索其预后机制,并在生物实验中进行验证。在训练和测试集中,TBX21可以将1389名LUAD患者分为高危组和低危组,预后差异显着(P < 0.01)。其预后能力独立于其他临床因素,包括分期、年龄、性别和吸烟状况。功能研究表明,下调肺癌细胞中的 TBX21 会降低癌症干细胞的比例及其球体和肿瘤起始频率。此外,研究表明 TBX21 激活可转导 TBX21-IL-4 信号级联,促进肿瘤起始、肿瘤生长和干细胞标记物的表达。这些数据证明了 TBX21 在维持癌症干性中的关键作用,并且 TBX21-IL-4 途径是导致肺癌发生的关键因素。 TBX21 预后模型通过 LUAD 患者中的 TBX21-IL-4 通路与癌症干性相关。本文的在线版本 (10.1186/s13287-018-0820-6) 包含补充材料,可供授权用户使用。
The Th1 cell-specific transcription factor TBX21 functions as a regulator of expression of a Th1 cytokine, interferon gamma (IFN-γ). However, the specific function of TBX21 correlated with cancer stemness remains unclear. Using univariate and multivariate survival analysis, TBX21was identified as an independent predictive factor and was associated with poor prognosis in 1389 patients with lung adenocarcinoma (LUAD). Its mechanism in the prognosis was explored by functional enrichment analysis and validated in bioexperiments. In the training and test sets, TBX21 could classify 1389 LUAD patients into high and low-risk groups with significantly different prognosis (P < 0.01). Its prognostic power was independent of other clinical factors including stage, age, gender and smoking status. Functional studies indicated that downregulating TBX21 in lung cancer cells decreased the fraction of cancer stem cells and their sphere and tumor initiation frequency. Furthermore, the study showed that TBX21 activation transduced a TBX21–IL-4 signaling cascade to promote tumor initiation, tumor growth and expression of stemness markers. These data demonstrated a key role of TBX21 in the maintenance of cancer stemness and that the TBX21–IL-4 pathway is a crucial factor contributing to lung carcinogenesis. TBX21 prognostic model correlated with cancer stemness via TBX21-IL-4 pathway in LUAD patients The online version of this article (10.1186/s13287-018-0820-6) contains supplementary material, which is available to authorized users.
CD44+ CD24( - )前列腺细胞是早期的癌症祖/干细胞,为预后不良的患者提供了模型。
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