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ER stress inhibits neuronal death by promoting autophagy

Abstract : Endoplasmic reticulum (ER) stress has been implicated in neurodegenerative diseases but its relationship and role in disease progression remain unclear. Using genetic and pharmacological approaches, we showed that mild ER stress ("preconditioning") is neuroprotective in Drosophila and mouse models of Parkinson disease. In addition, we found that the combination of mild ER stress and apoptotic signals triggers an autophagic response both in vivo and in vitro. We showed that when autophagy is impaired, ER-mediated protection is lost. We further demonstrated that autophagy inhibits caspase activation and apoptosis. Based on our findings, we conclude that autophagy is required for the neuroprotection mediated by mild ER stress, and therefore ER preconditioning has potential therapeutic value for the treatment of neurodegenerative diseases.
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Submitted on : Thursday, April 4, 2013 - 9:32:07 AM
Last modification on : Tuesday, September 21, 2021 - 2:32:05 PM


  • HAL Id : ensl-00807628, version 1



Antoine Fouillet, Clémence Levet, Angélique Virgone, Marion Robin, Pierre Dourlen, et al.. ER stress inhibits neuronal death by promoting autophagy. Autophagy, Taylor & Francis, 2012, 8 (6), pp.915 - 926. ⟨ensl-00807628⟩



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