PKM2 Drives Hepatocellular Carcinoma Progression by Inducing Immunosuppressive Microenvironment.
PKM2 Drives Hepatocellular Carcinoma Progression by Inducing Immunosuppressive Microenvironment.
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PKM2 通过诱导免疫抑制微环境驱动肝细胞癌进展
DOI:
10.3389/fimmu.2020.589997
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发表时间:
2020
影响因子:
7.3
通讯作者:
Qin LX
中科院分区:
文献类型:
--
作者:
Li TE;Wang S;Shen XT;Zhang Z;Chen M;Wang H;Zhu Y;Xu D;Hu BY;Wei R;Zheng Y;Dong QZ;Qin LX
Background and Aims Pyruvate kinase M2 (PKM2) is an essential regulator of the Warburg effect, but its biological function promoting immune escape of hepatocellular carcinoma (HCC) is unclear. Methods GEPIA web tool and immunohistochemistry (IHC) analysis were employed to evaluate the clinical relevance of PKM2 in HCC patients. Both in vitro CCK-8, colony formation, and transwell assays, and in vivo xenografts were performed to evaluate the malignancy of HCC cells. PKM2 and PD-L1 levels were examined by Western blot, qRT-PCR, and IHC. The role of PKM2 on in vivo immune response was also investigated. Results PKM2 was significantly upregulated in HCC and associated with a poor prognosis of HCC patients. Knockdown of PKM2 inhibited in vitro proliferation, migration, and invasion of HCC cells, as well as in vivo tumor growth. Strikingly, PKM2 showed a strong correlation with the expression of immune inhibitory cytokines and lymphocyte infiltration in HCC. The overexpression of PKM2 sensitized HCC to immune checkpoint blockade, which enhanced IFN-γ positive CD8 T cells in HCC mice models. Conclusion PKM2 might be a predictor and a potential therapeutic target for immune checkpoint inhibitors in HCC.
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DOI:
10.1126/science.aac9935
发表时间:
2016-04-08
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
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通讯作者:
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DOI:
10.1038/s41577-019-0218-4
发表时间:
2020-01
期刊:
Nature reviews. Immunology
影响因子:
--
作者:
Kalbasi A;Ribas A
通讯作者:
Ribas A
影响因子:
20.3
作者:
Green, Michael R.;Monti, Stefano;Shipp, Margaret A.
通讯作者:
Shipp, Margaret A.
DOI:
10.1126/science.1224409
发表时间:
2012-11-23
期刊:
Science (New York, N.Y.)
影响因子:
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作者:
Keller KE;Tan IS;Lee YS
通讯作者:
Lee YS
影响因子:
158.5
作者:
Finn, Richard S.;Qin, Shukui;Cheng, Ann-Lii
通讯作者:
Cheng, Ann-Lii