GOLM1 Modulates EGFR/RTK Cell-Surface Recycling to Drive Hepatocellular Carcinoma Metastasis.

GOLM1 Modulates EGFR/RTK Cell-Surface Recycling to Drive Hepatocellular Carcinoma Metastasis.
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GOLM1 调节 EGFR/RTK 细胞表面回收以驱动肝细胞癌转移。

DOI:
10.1016/j.ccell.2016.07.017
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发表时间:
2016-09-12
期刊:
影响因子:
50.3
通讯作者:
Qin LX
Qin LX
中科院分区:
医学1区
文献类型:
--
作者:
Ye QH;Zhu WW;Zhang JB;Qin Y;Lu M;Lin GL;Guo L;Zhang B;Lin ZH;Roessler S;Forgues M;Jia HL;Lu L;Zhang XF;Lian BF;Xie L;Dong QZ;Tang ZY;Wang XW;Qin LX

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癌症转移的机制仍然知之甚少。利用肝细胞癌(HCC)组织的基因谱,我们已经确定GOLM 1作为一个主导基因与HCC转移。GOLM 1的表达与肝癌患者的早期复发、转移及生存率相关。功能获得和功能丧失研究均确定GOLM 1通过促进HCC生长和转移作为关键癌基因。它选择性地与表皮生长因子受体(EGFR)相互作用,并作为一种特异性的货物衔接子,以帮助EGFR/RTK锚定在trans-Golgi网络(TGN)上,并再循环回质膜,导致下游激酶的长期激活。这些发现揭示了Golgi相关蛋白GOLM 1在EGFR/RTK再循环和HCC转移进展中的功能作用。Ye等人将GOLM 1鉴定为肝细胞癌(HCC)转移的关键启动子,并确定其在EGFR/RTK的再循环、空间再分布和信号动力学中的关键作用。在人HCC中,GOLM 1表达与早期复发、转移和患者生存不良相关。
The mechanism of cancer metastasis remains poorly understood. Using gene profiling of hepatocellular carcinoma (HCC) tissues, we have identified GOLM1 as a leading gene relating to HCC metastasis. GOLM1 expression is correlated with early recurrence, metastasis and poor survival of HCC patients. Both gain- and loss-of-function studies determine GOLM1 acts as a key oncogene by promoting HCC growth and metastasis. It selectively interacts with the epidermal growth factor receptor (EGFR), and serves as a specific cargo adaptor to assist EGFR/RTK anchoring on trans-Golgi network (TGN) and recycling back to plasma membrane leading to a prolonged activation of the downstream kinases. These findings reveal the function role of GOLM1, a Golgi-related protein, in EGFR/RTK recycling and metastatic progression of HCC. Ye et al. identify GOLM1 as a key promoter of hepatocellular carcinoma (HCC) metastasis and determine its critical roles in the recycling, spatial redistribution, and signaling kinetics of EGFR/RTKs. In human HCC, GOLM1 expression is correlated with early recurrence, metastasis and poor patient survival.
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