Matches in SemOpenAlex for { <https://semopenalex.org/work/W3130705524> ?p ?o ?g. }
- W3130705524 abstract "Abstract Regulatory CD4 + T cells (Treg) prevent tumor clearance by conventional T cells (Tconv) comprising a major obstacle of cancer immune-surveillance. Hitherto, the mechanisms of Treg repertoire formation in human cancers remain largely unclear. Here, we analyze Treg clonal origin in breast cancer patients using T-Cell Receptor and single-cell transcriptome sequencing. While Treg in peripheral blood and breast tumors are clonally distinct, Tconv clones, including tumor-antigen reactive effectors (Teff), are detected in both compartments. Tumor-infiltrating CD4 + cells accumulate into distinct transcriptome clusters, including early activated Tconv, uncommitted Teff, Th1 Teff, suppressive Treg and pro-tumorigenic Treg. Trajectory analysis suggests early activated Tconv differentiation either into Th1 Teff or into suppressive and pro-tumorigenic Treg. Importantly, Tconv, activated Tconv and Treg share highly-expanded clones contributing up to 65% of intratumoral Treg. Here we show that Treg in human breast cancer may considerably stem from antigen-experienced Tconv converting into secondary induced Treg through intratumoral activation." @default.
- W3130705524 created "2021-03-01" @default.
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- W3130705524 date "2021-02-18" @default.
- W3130705524 modified "2023-10-01" @default.
- W3130705524 title "Common clonal origin of conventional T cells and induced regulatory T cells in breast cancer patients" @default.
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