PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 35618289-2 2022 How Treg presence impinges on limited functionality and clonal composition of tumor-associated CD8 +T cells has important implications for their therapeutic targeting in the tumor microenvironment. treg 4-8 CD8a molecule Homo sapiens 95-98 35618289-8 2022 RESULTS: We demonstrate that the emergence of exhaustion-like phenotype and impaired effector functionality in tumor-associated CD8 +T cells is positively correlated with Treg accumulation in the tumor bed and this dysfunctional phenotype becomes reversed on Treg reduction in murine melanoma and lung cancer models. treg 171-175 CD8a molecule Homo sapiens 128-131 35618289-8 2022 RESULTS: We demonstrate that the emergence of exhaustion-like phenotype and impaired effector functionality in tumor-associated CD8 +T cells is positively correlated with Treg accumulation in the tumor bed and this dysfunctional phenotype becomes reversed on Treg reduction in murine melanoma and lung cancer models. treg 259-263 CD8a molecule Homo sapiens 128-131 35618289-10 2022 Furthermore, TCR sequencing revealed a clonal shrinkage of tumor-infiltrating CD8 +T cells as tumor progressed, which was associated with reduced survival profile concomitant to increasing Treg proportions. treg 189-193 CD8a molecule Homo sapiens 78-81 35618289-11 2022 Limited IL-2 availability was a key mechanism contributing to this peripheral repertoire reshaping as Treg depletion improved IL-2 levels, rescued CD8 +T cell viability, and improved their clonal diversity. treg 102-106 CD8a molecule Homo sapiens 147-150