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FOXQ1 癌基因过表达对人肝细胞癌的预后意义。

The prognostic significance of FOXQ1 oncogene overexpression in human hepatocellular carcinoma.

机构信息

Department of Pathology, Medical School of Nantong University, Nantong, China.

出版信息

Pathol Res Pract. 2013 Jun;209(6):353-8. doi: 10.1016/j.prp.2013.03.005. Epub 2013 Mar 25.

Abstract

FOXQ1 (forkhead box Q1) is a forkhead transcription factor, and FOX genes play significant roles in a series of biological processes. The aim of our study was to verify the importance of FOXQ1 as a prognostic indicator in HCC patients. One-step quantitative real-time PCR was performed to identify the expression of FOXQ1 mRNA in HCC and corresponding non-cancerous tissues. FOXQ1 expression was then evaluated by immunohistochemistry (IHC) using tissue microarray. Finally, we analyzed FOXQ1 expression and clinicopathological factors in 114 HCC patients using SPSS 20.0 software. FOXQ1 expression at the transcriptional level in HCC cells was much higher than in the noncancerous cells (P=0.012, respectively). Comparison of clinicopathological characteristics and FOXQ1 expression in HCC by IHC and χ(2) tests showed that high FOXQ1 expression was linked to large tumor diameter, high serum α-fetoprotein levels and later stage grouping with tumor node metastasis classification. Kaplan-Meier and Cox regression analyses showed that high FOXQ1 expression and regional lymph node metastasis were independent prognostic factors. Our study demonstrates that an aggressive malignant phenotype of HCC is strongly linked to high FOXQ1 expression, and FOXQ1 may be a novel target in HCC therapy. Furthermore, it is likely that FOXQ1 is an oncogene in HCC.

摘要

FOXQ1(叉头框 Q1)是一种叉头转录因子,FOX 基因在一系列生物过程中发挥着重要作用。我们的研究旨在验证 FOXQ1 作为 HCC 患者预后指标的重要性。采用一步定量实时 PCR 法检测 HCC 及相应非癌组织中 FOXQ1mRNA 的表达,采用组织微阵列免疫组织化学(IHC)评估 FOXQ1 表达。最后,采用 SPSS 20.0 软件分析 114 例 HCC 患者的 FOXQ1 表达与临床病理因素。FOXQ1 在 HCC 细胞中的转录水平表达明显高于非癌细胞(P=0.012)。通过 IHC 和 χ(2)检验比较 HCC 的临床病理特征和 FOXQ1 表达,结果显示,高 FOXQ1 表达与肿瘤直径较大、血清α-胎蛋白水平较高和肿瘤淋巴结转移分期较晚有关。Kaplan-Meier 和 Cox 回归分析显示,高 FOXQ1 表达和区域淋巴结转移是独立的预后因素。本研究表明,HCC 侵袭性恶性表型与 FOXQ1 高表达密切相关,FOXQ1 可能成为 HCC 治疗的新靶点。此外,FOXQ1 可能是 HCC 的癌基因。

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