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Updated: Jul 4, 2026

Isolation Protocol of Mouse Monocyte-derived Dendritic Cells and Their Subsequent In Vitro Activation with Tumor Immune Complexes
Published on: May 31, 2018
Chaperonin 60 and macrophage activation
Anthony R M Coates1, Ana Cehovin, Yanmin Hu
1Medical Microbiology, Centre for Infection, Department of Cellular and Molecular Medicine, St George's, University of London, Cranmer Terrace, London SW17 0RE, UK.
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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