Epidermal growth factor receptor-regulated miR-125a-5p--a metastatic inhibitor of lung cancer.

Epidermal growth factor receptor-regulated miR-125a-5p--a metastatic inhibitor of lung cancer.
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DOI:
10.1111/j.1742-4658.2009.07238.x
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发表时间:
2009-10
期刊:
The FEBS journal
影响因子:
--
通讯作者:
Ye J
Ye J
中科院分区:
其他
文献类型:
--
作者:
Wang G;Mao W;Zheng S;Ye J

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表皮生长因子受体信号通路和微小RNA(microRNA,miRNA)在肺癌的发生发展中起重要作用。为了阐明miRNA在表皮生长因子受体信号传导中的潜在作用,我们使用miRNA阵列鉴定了miR-125 a-5 p作为下游靶标。我们进一步证明了miR-125 a-5 p抑制肺癌细胞的迁移和侵袭。此外,miR-125 a-5 p还调控了表皮生长因子受体信号转导的多个下游基因的表达。重要的是,对肺癌样本的检查揭示了miR-125 a-5 p抑制与肺癌发生的显著相关性。总之,我们的研究结果提供了令人信服的证据,miR-125 a-5 p,一种表皮生长因子信号调节的miRNA,可能作为一种转移抑制因子。
Both the epidermal growth factor receptor signaling pathway and microRNA (miRNA) play an important role in lung cancer development and progression. To address the potential role of miRNA in epidermal growth factor receptor signaling, we identified miR-125a-5p as a downstream target, using an miRNA array. We further demonstrated that miR-125a-5p inhibited migration and invasion of lung cancer cells. Moreover, miR-125a-5p regulated the expression of several downstream genes of epidermal growth factor receptor signaling. Importantly, examination of lung cancer samples revealed a significant correlation of miR-125a-5p repression with lung carcinogenesis. Taken together, our results provide compelling evidence that miR-125a-5p, an epidermal growth factor-signaling-regulated miRNA, may function as a metastatic suppressor.
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