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Toll-like receptor-induced changes in glycolytic metabolism regulate dendritic cell activation

MPG-Autoren
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Pearce,  Edward J.
Department Immunometabolism, Max Planck Institute of Immunobiology and Epigenetics, Max Planck Society;

Externe Ressourcen

https://ashpublications.org/blood/article/115/23/4742/27736/Toll-like-receptor-induced-changes-in-glycolytic
(Verlagsversion)

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Krawczyk et al..pdf
(Verlagsversion), 421KB

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Zitation

Krawczyk, C. M., Holowka, T., Sun, J., Blagih, J., Amiel, E., DeBerardinis, R. J., et al. (2010). Toll-like receptor-induced changes in glycolytic metabolism regulate dendritic cell activation. PLoS Pathogens, 6, e1000840. doi:10.1182/blood-2009-10-249540.


Zitierlink: https://hdl.handle.net/21.11116/0000-0006-A8FF-E
Zusammenfassung
Dendritic cells (DCs) are key regulators of innate and acquired immunity. The maturation of DCs is directed by signal transduction events downstream of toll-like receptors (TLRs) and other pattern recognition receptors. Here, we demonstrate that, in mouse DCs, TLR agonists stimulate a profound metabolic transition to aerobic glycolysis, similar to the Warburg metabolism displayed by cancer cells. This metabolic switch depends on the phosphatidyl inositol 3′-kinase/Akt pathway, is antagonized by the adenosine monophosphate (AMP)–activated protein kinase (AMPK), and is required for DC maturation. The metabolic switch induced by DC activation is antagonized by the antiinflammatory cytokine interleukin-10. Our data pinpoint TLR-mediated metabolic conversion as essential for DC maturation and function and reveal it as a potential target for intervention in the control of excessive inflammation and inappropriately regulated immune responses.