{"title":"Chaperonin 60 and macrophage activation.","authors":"Anthony R M Coates, Ana Cehovin, Yanmin Hu","doi":"10.1002/9780470754030.ch12","DOIUrl":null,"url":null,"abstract":"<p><p>Eukaryotic and prokaryotic chaperonin 60s (Cpn60s) activate macrophages to produce pro-inflammatory cytokines. CD14 and TLR4 have been proposed as potential Cpn receptors. In addition, Cpn60s can block LPS-induced activation. This is a dose-related effect, low concentrations block, and high concentrations activate. This may relate to the ability of Cpn60s to block inflammatory disease. Cpns are multiplex or moon-lighting proteins, with functions as molecular chaperones, in stress survival and as inflammatory modulators. A cpn60.1 knockout mutant does not induce a granulomatous response and cytokine levels, such as tumour necrosis factor are reduced in the tissues. These data suggest that Cpn60.1 may also function as a virulence factor.</p>","PeriodicalId":19323,"journal":{"name":"Novartis Foundation Symposium","volume":"291 ","pages":"160-9; discussion 169-72, 221-4"},"PeriodicalIF":0.0000,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/9780470754030.ch12","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Novartis Foundation Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/9780470754030.ch12","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
Eukaryotic and prokaryotic chaperonin 60s (Cpn60s) activate macrophages to produce pro-inflammatory cytokines. CD14 and TLR4 have been proposed as potential Cpn receptors. In addition, Cpn60s can block LPS-induced activation. This is a dose-related effect, low concentrations block, and high concentrations activate. This may relate to the ability of Cpn60s to block inflammatory disease. Cpns are multiplex or moon-lighting proteins, with functions as molecular chaperones, in stress survival and as inflammatory modulators. A cpn60.1 knockout mutant does not induce a granulomatous response and cytokine levels, such as tumour necrosis factor are reduced in the tissues. These data suggest that Cpn60.1 may also function as a virulence factor.
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