Transcriptomics

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Immunosuppressive CD29+ Treg accumulation in the liver in mice upon checkpoint inhibitor therapy


ABSTRACT: We report that anti-PD1 treatment expands regulatory T cells (Tregs) in the liver of tumor-bearing mice and this contributes to the resistance mechanism of metastatic liver cancer to immunotherapy. Using FoxP3-GFP strain, Tregs after anti-PD1 treatment were sorted and Tregs from the liver and spleen were sequenced. CD29 positive cluster expanded in PD1-treated mouse liver. CD29-positive Tregs had also a suppression function in vitro validation study. And we identified CD29-positive Tregs in the public database of human liver cancer. We propose that CD29+ Tregs constitute a unique subpopulation of hepatic Tregs that are primed to respond to ICI agents and mediate resistance.

ORGANISM(S): Mus musculus

PROVIDER: GSE221186 | GEO | 2023/12/16

REPOSITORIES: GEO

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