SPLUNC1 regulates cell progression and apoptosis through the miR-141-PTEN/p27 pathway, but is hindered by LMP1.

SPLUNC1 regulates cell progression and apoptosis through the miR-141-PTEN/p27 pathway, but is hindered by LMP1.
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SPLUNC1 通过 miR-141-PTEN/p27 通路调节细胞进展和凋亡,但受到 LMP1 的阻碍

DOI:
10.1371/journal.pone.0056929
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Li G
Li G
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Chen P;Guo X;Zhou H;Zhang W;Zeng Z;Liao Q;Li X;Xiang B;Yang J;Ma J;Zhou M;Peng S;Xiang J;Li X;L E CW;Xiong W;McCarthy JB;Li G

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宿主防御蛋白短腭、肺和鼻上皮克隆1(SPLUNC 1)在鼻咽癌发生中的作用尚不清楚。在这里,我们报告SPLUNC 1在NPC癌变的非常早期阶段发挥作用。SPLUNC 1通过miR-141调节NPC细胞增殖、分化和凋亡,miR-141进而调节PTEN和p27的表达。该信号传导轴由EBV编码基因LMP 1负调控。因此,我们认为SPLUNC 1抑制NPC肿瘤的形成,LMP 1对SPLUNC 1的抑制为NPC肿瘤的发生提供了途径。
Little is known about the role of the host defensive protein short palate, lung and nasal epithelium clone 1 (SPLUNC1) in the carcinogenesis of nasopharyngeal carcinoma (NPC). Here we report that SPLUNC1 plays a role at a very early stage of NPC carcinogenesis. SPLUNC1 regulates NPC cell proliferation, differentiation and apoptosis through miR-141, which in turn regulates PTEN and p27 expression. This signaling axis is negatively regulated by the EBV-coded gene LMP1. Therefore we propose that SPLUNC1 suppresses NPC tumor formation and its inhibition by LMP1 provides a route for NPC tumorigenesis.
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