PGE2 promotes renal carcinoma cell invasion through activated RalA.

PGE2 promotes renal carcinoma cell invasion through activated RalA.
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DOI:
10.1038/onc.2012.161
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发表时间:
2013-03-14
期刊:
影响因子:
8
通讯作者:
Daaka, Y.
Daaka, Y.
中科院分区:
医学1区
文献类型:
--
作者:
Li, Z.;Zhang, Y.;Kim, W. J.;Daaka, Y.

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肾癌的发病率正在上升,更好地了解参与癌症侵袭和转移的分子机制是发展治愈性治疗的必要条件。在这项研究中,我们报道了促炎细胞因子前列腺素E2 (PGE2)诱导恶性SN12C而非良性HK2肾细胞侵袭。PGE2通过包含EP2和EP4、Akt、小GTP酶RalA和rgtp失活剂RGC2的信号通路增加SN12C细胞侵袭。结果支持了EP2/EP4信号对RalA GTP的靶向干扰可能对晚期肾癌患者有益的观点。
Incidence of kidney cancer is on the rise, and a better understanding of molecular mechanisms involved in the cancer invasion and metastasis is required for the development of curative therapeutics. In this study, we report that the proinflammatory cytokine prostaglandin E2 (PGE2) induces the malignant SN12C, but not benign HK2 kidney cell invasion. The PGE2 increases SN12C cell invasion through a signal pathway that encompasses EP2 and EP4, Akt, small GTPase RalA and Ral GTP inactivator RGC2. The results support the idea that targeted interference of EP2/EP4 signal to RalA GTP may provide benefit to patients diagnosed with advanced kidney cancer.
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