FcγRIIB engagement drives agonistic activity of Fc-engineered αOX40 antibody to stimulate human tumor-infiltrating T cells
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ABSTRACT: Background: OX40 (CD134) is a co-stimulatory molecule of the tumor necrosis factor receptor (TNFR) superfamily, that is currently investigated as a target for cancer immunotherapy. However, despite promising results in murine tumor models, the clinical efficacy of agonistic αOX40 antibodies in treatment of cancer patients has fallen short of the high expectation in earlier stage trials. Methods: Using lymphocytes from resected tumor, tumor-free tissue and PBMC of 4 hepatocellular and colorectal cancer patients, we performed RNA-Seq to evaluate OX40-mediated transcriptional changes in CD4+ and CD8+ human tumor-infiltrating lymphocytes (TILs). Results: The transcriptional landscape of CD4+ and CD8+ TILs shifted towards a pro-survival, inflammatory and chemotactic profile upon treatment with αOX40_v12.
ORGANISM(S): Homo sapiens
PROVIDER: GSE152904 | GEO | 2020/06/22
REPOSITORIES: GEO
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