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- W3091077827 abstract "Abstract Cellular senescence is a known driver of carcinogenesis and age-related diseases, yet senescence is required for various physiological processes. However, the mechanisms and factors that control the negative effects of senescence while retaining its benefits are still elusive. Here, we show that the rasGAP SH3-binding protein 1 (G3BP1) is required for the activation of the senescent-associated secretory phenotype (SASP). During senescence, G3BP1 achieves this effect by promoting the association of the cyclic GMP-AMP synthase (cGAS) with cytosolic chromatin fragments. In turn, G3BP1, through cGAS, activates the NF-κB and STAT3 pathways, promoting SASP expression and secretion. G3BP1 depletion or pharmacological inhibition impairs the cGAS-pathway preventing the expression of SASP factors without affecting cell commitment to senescence. These SASPless senescent cells impair senescence-mediated growth of cancer cells in vitro and tumor growth in vivo. Our data reveal that G3BP1 is required for SASP expression and that SASP secretion is a primary mediator of senescence-associated tumor growth." @default.
- W3091077827 created "2020-10-08" @default.
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- W3091077827 date "2020-10-05" @default.
- W3091077827 modified "2023-10-17" @default.
- W3091077827 title "G3BP1 controls the senescence-associated secretome and its impact on cancer progression" @default.
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- W3091077827 doi "https://doi.org/10.1038/s41467-020-18734-9" @default.
- W3091077827 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7536198" @default.
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