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Cellular senescence links mitochondria-ER contacts and aging

Abstract : Abstract Membrane contact sites emerged in the last decade as key players in the integration, regulation and transmission of many signals within cells, with critical impact in multiple pathophysiological contexts. Numerous studies accordingly point to a role for mitochondria-endoplasmic reticulum contacts (MERCs) in modulating aging. Nonetheless, the driving cellular mechanisms behind this role remain unclear. Recent evidence unravelled that MERCs regulate cellular senescence, a state of permanent proliferation arrest associated with a pro-inflammatory secretome, which could mediate MERC impact on aging. Here we discuss this idea in light of recent advances supporting an interplay between MERCs, cellular senescence and aging.
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https://hal-univ-lyon1.archives-ouvertes.fr/hal-03666551
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Submitted on : Thursday, May 12, 2022 - 3:21:45 PM
Last modification on : Thursday, September 1, 2022 - 9:34:42 AM

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Dorian Ziegler, Nadine Martin, David Bernard. Cellular senescence links mitochondria-ER contacts and aging. Communications Biology, Nature Publishing Group, 2021, 4 (1), pp.1323. ⟨10.1038/s42003-021-02840-5⟩. ⟨hal-03666551⟩

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