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凝血因子 2 凝血酶受体在 SOX2 调控下促进神经胶质瘤的恶性转化。

Coagulation factor 2 thrombin receptor promotes malignancy in glioma under SOX2 regulation.

机构信息

Department of Neurosurgery, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, PR. China.

Department of Neurology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, PR. China.

出版信息

Aging (Albany NY). 2020 Jun 7;12(11):10594—10613. doi: 10.18632/aging.103281.

Abstract

Glioma is the most common human primary brain cancer with high mortality and unfavorable clinical outcome. Coagulation factor 2 thrombin receptor (F2R), is a key component in the thrombosis process and has been demonstrated upregulated in various cancers. However, the effect and molecular mechanisms of F2R in glioma remains unclear. In our study, we confirmed that the expression of F2R was upregulated in glioma and predicted poor prognosis. Gene Set Enrichment Analysis (GSEA) and function assays demonstrated that F2R overexpression promoted glioma cell proliferation, metastasis and epithelial-mesenchymal transition (EMT) in vitro and tumor growth in vivo. Then, we identified and validated F2R was the target gene of SRY-box 2 (SOX2) by dual luciferase reporter assay and chromatin immunoprecipitation assay. Besides, High expression of F2R in malignant glioma was associated with β-catenint signaling pathway activation. Our findings conclude that F2R promotes glioma cell proliferation and metastasis under SOX2 and actives WNT/β-catenin Signaling pathway, which provides novel insight to the therapeutic regimen in glioma.

摘要

脑胶质瘤是最常见的原发性人脑癌,死亡率高,临床预后不良。凝血因子 2 凝血酶受体(F2R)是血栓形成过程中的关键组成部分,已在各种癌症中被证实上调。然而,F2R 在脑胶质瘤中的作用和分子机制尚不清楚。在我们的研究中,我们证实 F2R 的表达在脑胶质瘤中上调,并预测预后不良。基因集富集分析(GSEA)和功能测定表明,F2R 过表达促进了体外胶质瘤细胞的增殖、转移和上皮间质转化(EMT)以及体内肿瘤的生长。然后,我们通过双荧光素酶报告基因检测和染色质免疫沉淀检测鉴定并验证了 F2R 是性别决定区 Y 框 2(SOX2)的靶基因。此外,F2R 在恶性脑胶质瘤中的高表达与 β-catenin 信号通路的激活有关。我们的研究结果表明,F2R 在 SOX2 作用下促进胶质瘤细胞的增殖和转移,并激活 WNT/β-catenin 信号通路,为脑胶质瘤的治疗方案提供了新的见解。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2c84/7346046/a15d1a67aecc/aging-12-103281-g001.jpg

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