Matches in SemOpenAlex for { <https://semopenalex.org/work/W2946815342> ?p ?o ?g. }
- W2946815342 abstract "ABSTRACT Cytokines activate downstream signaling networks via assembly of cell surface receptors, but it is unclear whether modulation of cytokine-receptor binding parameters can modify biological outcomes. We have engineered variants of IL-6 with different affinities to the gp130 receptor chain to investigate how cytokine receptor binding kinetics influence functional selectivity. Engineered IL-6 variants showed a range of signaling amplitudes, from minimal to full agonist, and induced biased signaling, with changes in receptor binding kinetics affecting more profoundly STAT1 than STAT3 phosphorylation. We show that this differential signaling arises from defective translocation of ligand-gp130 complexes to the endosomal compartment and competitive STAT1/STAT3 binding to phospho-tyrosines in gp130, and results in unique patterns of STAT3 binding to chromatin. This, in turn, leads to a graded gene expression response and substantial differences in ex vivo differentiation of Th17, Th1 and Treg cells. These results provide a molecular understanding of signaling biased by cytokine receptors, and demonstrate that manipulation of signaling thresholds is a useful strategy to decouple cytokine functional pleiotropy." @default.
- W2946815342 created "2019-05-29" @default.
- W2946815342 creator A5009660346 @default.
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- W2946815342 date "2019-05-15" @default.
- W2946815342 modified "2023-10-17" @default.
- W2946815342 title "Kinetics of cytokine receptor trafficking determine signaling and functional selectivity" @default.
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- W2946815342 doi "https://doi.org/10.1101/638031" @default.
- W2946815342 hasPublicationYear "2019" @default.
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