The C-type lectin receptor CLECSF8/CLEC4D is a key component of anti-mycobacterial immunity

Wilson, G. J. et al. (2015) The C-type lectin receptor CLECSF8/CLEC4D is a key component of anti-mycobacterial immunity. Cell Host and Microbe, 17(2), pp. 252-259. (doi: 10.1016/j.chom.2015.01.004) (PMID:25674984) (PMCID:PMC4334100)

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The interaction of microbes with pattern recognition receptors (PRRs) is essential for protective immunity. While many PRRs that recognize mycobacteria have been identified, none is essentially required for host defense in vivo. Here, we have identified the C-type lectin receptor CLECSF8 (CLEC4D, MCL) as a key molecule in anti-mycobacterial host defense. Clecsf8−/− mice exhibit higher bacterial burdens and increased mortality upon M. tuberculosis infection. Additionally, Clecsf8 deficiency is associated with exacerbated pulmonary inflammation, characterized by enhanced neutrophil recruitment. Clecsf8−/− mice show reduced mycobacterial uptake by pulmonary leukocytes, but infection with opsonized bacteria can restore this phagocytic defect as well as decrease bacterial burdens. Notably, a CLECSF8 polymorphism identified in humans is associated with an increased susceptibility to pulmonary tuberculosis. We conclude that CLECSF8 plays a non-redundant role in anti-mycobacterial immunity in mouse and in man.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Wilson, Dr Gillian
Authors: Wilson, G. J., Marakalala, M. J., Hoving, J. C., van Laarhoven, A., Drummond, R. A., Kerscher, B., Keeton, R., van de Vosse, E., Ottenhoff, T. H.M., Plantinga, T. S., Alisjahbana, B., Govender, D., Besra, G. S., Netea, M. G., Reid, D. M., Willment, J. A., Jacobs, M., Yamasaki, S., van Crevel, R., and Brown, G. D.
College/School:College of Medical Veterinary and Life Sciences > Institute of Infection Immunity and Inflammation
Journal Name:Cell Host and Microbe
Publisher:Cell Press
Copyright Holders:Copyright © 2015 The Authors
First Published:First published in Cell Host and Microbe 17(2):252-259
Publisher Policy:Reproduced under a Creative Commons License

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