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High-level of intratumoral GITR+ CD4 T cells associate with poor prognosis in gastric cancer.


ABSTRACT: Immunotherapy targeting glucocorticoid-induced TNFR-related protein (GITR) exhibited strong anti-tumor capacity in mouse model but poor efficacy in clinical trials. This may be attributed to the different GITR expression mode between human and mouse. In this study, we analyzed single-cell RNA sequencing (scRNA-seq) data of human gastric cancer (GC) and used flow to explore the GITR expression across T cell subsets and tissue types in GC patients. We revealed that GITR+ CD4 T cells, including regulatory CD4 T (Treg) cells and conventional CD4 T (Tconv) cells, might contribute to the immunosuppressive microenvironment in GC. The enrichment of these cells was associated with a worse prognosis. Moreover, we found the cellular distribution of GITR protein in Treg cells was microenvironment dependent. In conclusion, GITR is still an important immune checkpoint need to be studied.

SUBMITTER: Ke S 

PROVIDER: S-EPMC9676631 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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High-level of intratumoral GITR+ CD4 T cells associate with poor prognosis in gastric cancer.

Ke Shouyu S   Xie Feng F   Guo Yixian Y   Chen Jieqiong J   Wang Zeyu Z   Yu Yimeng Y   Geng Haigang H   Xu Danhua D   Liu Xu X   Xia Xiang X   Yu Fengrong F   Zhu Chunchao C   Zhang Zizhen Z   Zhao Gang G   Li Bin B   Zhao Wenyi W  

iScience 20221107 12


Immunotherapy targeting glucocorticoid-induced TNFR-related protein (GITR) exhibited strong anti-tumor capacity in mouse model but poor efficacy in clinical trials. This may be attributed to the different GITR expression mode between human and mouse. In this study, we analyzed single-cell RNA sequencing (scRNA-seq) data of human gastric cancer (GC) and used flow to explore the GITR expression across T cell subsets and tissue types in GC patients. We revealed that GITR+ CD4 T cells, including reg  ...[more]

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