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- W4313345029 abstract "Abstract The immune system encodes information about the severity of a pathogenic threat in the quantity and type of memory cell populations formed in response. This encoding emerges from the decisions of lymphocytes to maintain or lose self-renewal and memory potential during a challenge. By tracking responding CD8 T cells at the single-cell and clonal lineage level using time-resolved transcriptomics and quantitative live imaging, we identify a remarkably flexible decision-making strategy, whereby T cells initially choose whether to maintain or lose memory potential early after antigen recognition, but following pathogen clearance may regain memory potential if initially lost. Mechanistically, this flexibility is implemented by a cis -epigenetic switch that silences the memory regulator TCF1 in a stochastic and reversible manner in response to stimulatory inputs. Mathematical modeling shows how this strategy allows memory T cell numbers to scale robustly with pathogen virulence and immune response magnitudes. We propose that flexibility and stochasticity in cellular decision making ensures optimal immune responses against diverse threats." @default.
- W4313345029 created "2023-01-06" @default.
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- W4313345029 date "2022-12-31" @default.
- W4313345029 modified "2023-10-02" @default.
- W4313345029 title "Flexible and scalable control of T cell memory by a reversible epigenetic switch" @default.
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- W4313345029 doi "https://doi.org/10.1101/2022.12.31.521782" @default.
- W4313345029 hasPublicationYear "2022" @default.
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