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- W4312064967 abstract "Abstract Intestinal epithelial cells are critical for gastrointestinal homeostasis. However, their function declines during aging. The aging-related loss of organ performance is largely driven by the increase in senescent cells. To date, the hallmarks and molecular mechanisms related to cellular senescence are not fully understood. Microtubules control epithelial functions, and we identified microtubule stabilization as a phenotypic marker of senescent intestinal epithelial cells. The senescence inducer determined the pathway to microtubule stabilization. Specifically, enhanced microtubule stability was associated with α-tubulin hyperacetylation or increased abundance of the microtubule-binding protein tau. We show further that overexpression of MAPT , which encodes tau, augmented microtubule stability in intestinal epithelial cells. Notably, pharmacological microtubule stabilization was sufficient to induce cellular senescence. Taken together, this study provides new insights into the molecular mechanisms that control epithelial cell homeostasis. Our results support the concept that microtubule stability serves as a critical cue to trigger intestinal epithelial cell senescence." @default.
- W4312064967 created "2023-01-04" @default.
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- W4312064967 date "2022-12-16" @default.
- W4312064967 modified "2023-10-15" @default.
- W4312064967 title "Multiple pathways promote microtubule stabilization in senescent intestinal epithelial cells" @default.
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- W4312064967 doi "https://doi.org/10.1038/s41514-022-00097-8" @default.
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