2018
DOI: 10.1051/medsci/20183401013
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NLRP3, un inflammasome sous contrôle

Abstract: > La réponse immunitaire innée protège l'organisme par la détection rapide des agents pathogènes et des lésions via des récepteurs spéciali-sés, dont NLRP3. Celui-ci assemble un inflammasome, un complexe cytosolique de signalisation qui active la caspase-1, contrôle la libération de cytokines et de facteurs inflammatoires produits dans le cytosol comme les interleukines 1 / . Les pathologies inflammatoires associées à NLRP3, dont la goutte, révèlent la nécessité d'un contrôle étroit de son activité. Cette revu… Show more

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Cited by 17 publications
(15 citation statements)
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References 54 publications
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“…11 According to the reports, activation of caspase-1 led to the maturation and secretion of IL-1β and IL-18, which were regarded as the main players in initiating inflammatory response via NLRP3 inflammasome activation signaling axis. 11,19,20,40 The result that PM 2.5 increased the protein expression of Cleaved IL-1β, the key downstream factor of NLRP3 inflammasome activation, further confirmed the view that PM 2.5 activated NLRP3 inflammasome in cardiac tissues. After all, stimulus signal converted pro-IL-1β into Cleaved IL-1β, which depended on the assembly and activation of NLRP3 inflammasome.…”
Section: Discussionsupporting
confidence: 66%
See 1 more Smart Citation
“…11 According to the reports, activation of caspase-1 led to the maturation and secretion of IL-1β and IL-18, which were regarded as the main players in initiating inflammatory response via NLRP3 inflammasome activation signaling axis. 11,19,20,40 The result that PM 2.5 increased the protein expression of Cleaved IL-1β, the key downstream factor of NLRP3 inflammasome activation, further confirmed the view that PM 2.5 activated NLRP3 inflammasome in cardiac tissues. After all, stimulus signal converted pro-IL-1β into Cleaved IL-1β, which depended on the assembly and activation of NLRP3 inflammasome.…”
Section: Discussionsupporting
confidence: 66%
“…[16][17][18] Meanwhile, active caspase-1 converts the cytokines pro-IL-1β and pro-IL-18 into mature and biologically active IL-1β and IL-18, triggering the inflammation occurrence. 19,20 Thus, the assembly of NLRP3 inflammasome, the induction of Cleaved caspase-1 and Cleaved IL-1β are regarded as the important symbols of NLRP3 inflammasome activation. 11 To date, it has been demonstrated that active NLRP3 inflammasome is involved in the inflammatory response of respiratory system induced by particulate matter.…”
Section: Introductionmentioning
confidence: 99%
“…Ils activent des caspases inflammatoires pour induire la maturation des cytokines interleukine-1β (IL-1β) et IL-18, et initier la pyroptose, une forme de mort cellulaire régulée nécrotique (du grec pyros : feu ou fièvre ; ptosis : chute) [3]. Cinq capteurs-récepteurs capables d'assembler, chacun selon le type de signal reçu, un inflammasome canonique, ont été bien décrits : NLRP1 (NOD-like receptor (NLR) family, pyrin domain-containing protein 1), NLRP3 [14](➜) NLRC4 (NOD-, leucin-rich repeat-and CARD-containing 4), AIM2 (absent in melanoma 2), et la Pyrine. Lors de leur activation, ces récepteurs recrutent, par des interactions homotypiques PYD-PYD (domaine Pyrine) ou CARD-CARD, la protéine adaptatrice bipartite ASC (apoptosis-associated speck-like protein containing a CARD) qui contient un domaine PYD et un domaine CARD.…”
Section: Plates-formes D'activation De La Caspase-1unclassified
“…Parmi les 18 caspases identifiées à ce jour, seules les Caspases-17 et -18 sont absentes chez les mammifères placentaires. Le génome humain code douze caspases (Caspases-1 à -10, Caspase-12 et Caspase- 14), tandis que le génome murin en code dix (Caspase-1, 2, 3, 6, 7, 8, 9, 11, 12 et 14). Les gènes casp-4 et casp-5 humains proviennent d'une duplication du gène casp-11, leur orthologue chez la souris.…”
unclassified
“…In addition to transcriptional priming, which has been meticulously reviewed 29,30,31 , posttranslational modifications of inflammasome components have emerged as key checkpoints in the highly-regulated processes of inflammasome activation. These broadly regulated mechanisms shape distinct biochemical responses and have been shown to alter NLRP3 protein-protein interactions, catalytic activity, sub-cellular localization, NLRP3 nucleation, and thus activation status and inflammatory signaling 32 .…”
Section: Nlr Phosphorylation Is An Emerging Regulatory Mechanismmentioning
confidence: 99%