Anakinra restores cellular proteostasis by coupling mitochondrial redox balance to autophagy

Autophagy selectively degrades aggregation-prone misfolded proteins caused by defective cellular proteostasis. However, the complexity of autophagy may prevent the full appreciation of how its modulation could be used as a therapeutic strategy in disease management. Here, we define a molecular pathw...

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Veröffentlicht in:The Journal of clinical investigation 2022-01, Vol.132 (2), p.0_1-16
Hauptverfasser: van de Veerdonk, Frank L, Renga, Giorgia, Pariano, Marilena, Bellet, Marina M, Servillo, Giuseppe, Fallarino, Francesca, De Luca, Antonella, Iannitti, Rossana G, Piobbico, Danilo, Gargaro, Marco, Manni, Giorgia, D'Onofrio, Fiorella, Stincardini, Claudia, Sforna, Luigi, Borghi, Monica, Castelli, Marilena, Pieroni, Stefania, Oikonomou, Vasileios, Villella, Valeria R, Puccetti, Matteo, Giovagnoli, Stefano, Galarini, Roberta, Barola, Carolina, Maiuri, Luigi, Fazia, Maria Agnese Della, Cellini, Barbara, Talesa, Vincenzo Nicola, Dinarello, Charles A, Costantini, Claudio, Romani, Luigina
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container_issue 2
container_start_page 0_1
container_title The Journal of clinical investigation
container_volume 132
creator van de Veerdonk, Frank L
Renga, Giorgia
Pariano, Marilena
Bellet, Marina M
Servillo, Giuseppe
Fallarino, Francesca
De Luca, Antonella
Iannitti, Rossana G
Piobbico, Danilo
Gargaro, Marco
Manni, Giorgia
D'Onofrio, Fiorella
Stincardini, Claudia
Sforna, Luigi
Borghi, Monica
Castelli, Marilena
Pieroni, Stefania
Oikonomou, Vasileios
Villella, Valeria R
Puccetti, Matteo
Giovagnoli, Stefano
Galarini, Roberta
Barola, Carolina
Maiuri, Luigi
Fazia, Maria Agnese Della
Cellini, Barbara
Talesa, Vincenzo Nicola
Dinarello, Charles A
Costantini, Claudio
Romani, Luigina
description Autophagy selectively degrades aggregation-prone misfolded proteins caused by defective cellular proteostasis. However, the complexity of autophagy may prevent the full appreciation of how its modulation could be used as a therapeutic strategy in disease management. Here, we define a molecular pathway through which recombinant IL-1 receptor antagonist (IL-1Ra, anakinra) affects cellular proteostasis independently from the IL-1 receptor (IL-1R1). Anakinra promoted H2O2-driven autophagy through a xenobiotic sensing pathway involving the aryl hydrocarbon receptor that, activated through the indoleamine 2,3-dioxygenase 1-kynurenine pathway, transcriptionally activated NADPH oxidase 4 independent of the IL-1R1. By coupling the mitochondrial redox balance to autophagy, anakinra improved the dysregulated proteostasis network in murine and human cystic fibrosis. We anticipate that anakinra may represent a therapeutic option in addition to its IL-1R1-dependent antiinflammatory properties by acting at the intersection of mitochondrial oxidative stress and autophagy with the capacity to restore conditions in which defective proteostasis leads to human disease.
doi_str_mv 10.1172/JCM44983
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We anticipate that anakinra may represent a therapeutic option in addition to its IL-1R1-dependent antiinflammatory properties by acting at the intersection of mitochondrial oxidative stress and autophagy with the capacity to restore conditions in which defective proteostasis leads to human disease.</abstract><cop>Ann Arbor</cop><pub>American Society for Clinical Investigation</pub><doi>10.1172/JCM44983</doi></addata></record>
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subjects Anti-inflammatory agents
Autophagy
Binding sites
Biomedical research
Cystic fibrosis
Disease management
Gene expression
Hydrocarbons
Hydrogen peroxide
Inflammation
Interleukin 1
Interleukin 1 receptor antagonist
Lung diseases
Mitochondria
Mutation
NAD(P)H oxidase
Oxidative stress
Pathogenesis
Protein folding
Proteins
Transcription
Tryptophan 2,3-dioxygenase
title Anakinra restores cellular proteostasis by coupling mitochondrial redox balance to autophagy
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