A cell-autonomous tumour suppressor role of RAF1 in hepatocarcinogenesis.
A cell-autonomous tumour suppressor role of RAF1 in hepatocarcinogenesis.
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RAF1 在肝癌发生中的细胞自主肿瘤抑制作用。
DOI:
10.1038/ncomms13781
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发表时间:
2016-12-21
影响因子:
16.6
通讯作者:
中科院分区:
文献类型:
--
作者:
Hepatocellular carcinoma (HCC) is a leading cause of cancer deaths, but its molecular heterogeneity hampers the design of targeted therapies. Currently, the only therapeutic option for advanced HCC is Sorafenib, an inhibitor whose targets include RAF. Unexpectedly, RAF1 expression is reduced in human HCC samples. Modelling RAF1 downregulation by RNAi increases the proliferation of human HCC lines in xenografts and in culture; furthermore, RAF1 ablation promotes chemical hepatocarcinogenesis and the proliferation of cultured (pre)malignant mouse hepatocytes. The phenotypes depend on increased YAP1 expression and STAT3 activation, observed in cultured RAF1-deficient cells, in HCC xenografts, and in autochthonous liver tumours. Thus RAF1, although essential for the development of skin and lung tumours, is a negative regulator of hepatocarcinogenesis. This unexpected finding highlights the contribution of the cellular/tissue environment in determining the function of a protein, and underscores the importance of understanding the molecular context of a disease to inform therapy design. The kinase RAF1 usually exerts pro-tumorigenic functions promoting proliferation in RAS-driven cancers. Here, the authors using a mouse model of HCC and clinical data describe an unexpected oncosuppressor role of RAF1 in hepatocarcinoma development linked to a gp130-dependent Stat3 activation and YAP1 regulation.
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影响因子:
64.5
作者:
He G;Dhar D;Nakagawa H;Font-Burgada J;Ogata H;Jiang Y;Shalapour S;Seki E;Yost SE;Jepsen K;Frazer KA;Harismendy O;Hatziapostolou M;Iliopoulos D;Suetsugu A;Hoffman RM;Tateishi R;Koike K;Karin M
通讯作者:
Karin M
影响因子:
50.3
作者:
Bromberg J;Wang TC
通讯作者:
Wang TC
DOI:
10.15252/embj.201489385
发表时间:
2014-11-03
期刊:
The EMBO journal
影响因子:
--
作者:
Hong X;Nguyen HT;Chen Q;Zhang R;Hagman Z;Voorhoeve PM;Cohen SM
通讯作者:
Cohen SM
DOI:
10.1084/jem.20140341
发表时间:
2014-10-20
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Liang N;Zhang C;Dill P;Panasyuk G;Pion D;Koka V;Gallazzini M;Olson EN;Lam H;Henske EP;Dong Z;Apte U;Pallet N;Johnson RL;Terzi F;Kwiatkowski DJ;Scoazec JY;Martignoni G;Pende M
通讯作者:
Pende M
影响因子:
28.2
作者:
Karreth FA;Frese KK;DeNicola GM;Baccarini M;Tuveson DA
通讯作者:
Tuveson DA