Int J Oral Max Surg:细胞质神经纤毛蛋白2与早期舌癌患者转移和预后不良相关

2017-09-19 MedSci MedSci原创

神经纤毛蛋白2(Nrp2)在调节淋巴管生成中起重要作用。

神经纤毛蛋白2(Nrp2)在调节淋巴管生成中起重要作用。

本实验主要研究早期舌癌中Nrp2的表达以预测其淋巴结转移和长期预后。分析舌鳞状细胞癌(SCC)临床病理分期cT1-T2N0与Nrp2,血管内皮生长因子C(VEGFC),血管内皮生长因子受体3(VEGFR3)和信号素3F(Sema3F)的过表达之间的关系。使用口腔SCC细胞系比较表达水平。 Nrp2基因沉默以确定Nrp2的影响。细胞质Nrp2过表达预测区域转移的敏感性和特异性分别为90.3%和42.1%。细胞质Nrp2过表达(P <0.001)和VEGFC过表达(P = 0.006)与区域转移有显着相关性(Student t检验)。然而,只有细胞质Nrp2过表达是无瘤生存期(DFS; P = 0.008)和总生存期(OS; P = 0.016)(Cox回归)的独立预后因素;复发风险高12倍(P = 0.015),死亡风险高8倍(P = 0.016)。 Nrp2和VEGFC的共定位在侵袭性细胞系(HN12和RCa-T)的细胞质内更多。 Nrp2在肿瘤发生中发挥作用; VEGFC补充不能在Nrp2耗尽的细胞系中恢复Nrp2的生物学功能。细胞质Nrp2过表达与OS和DFS降低有关。细胞质Nrp2过表达可能是早期舌SCC的诊断和预后的可靠标志。

原始出处:

H.S. Ong, S. Gokavarapu, Q. Xu, et al. Cytoplasmic neuropilin 2 is associated with metastasis and a poor prognosis in early tongue cancer patients. International Journal of Oral and Maxillofacial Surgery. 2017 October. doi: 10.1016/j.ijom.2017.03.035

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    2017-11-06 小几洁
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    2018-05-14 medsci257
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    2017-09-20 清风拂面

    谢谢分享.学习了

    0

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    2017-09-20 飛歌

    学习了很有用

    0