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Nlrp12 mutation causes C57BL/6J strain-specific defect in neutrophil recruitment
Journal article   Open access   Peer reviewed

Nlrp12 mutation causes C57BL/6J strain-specific defect in neutrophil recruitment

Tyler K Ulland, Nidhi Jain, Emma E Hornick, Eric I Elliott, Gwendolyn M Clay, Jeffrey J Sadler, Kathleen A M Mills, Ann M Janowski, A Paige Davis Volk, Kai Wang, …
Nature communications, Vol.7(1), pp.13180-13180
10/25/2016
DOI: 10.1038/ncomms13180
PMCID: PMC5093323
PMID: 27779193
url
https://doi.org/10.1038/ncomms13180View
Published (Version of record) Open Access

Abstract

The inbred mouse strain C57BL/6J is widely used in models of immunological and infectious diseases. Here we show that C57BL/6J mice have a defect in neutrophil recruitment to a range of inflammatory stimuli compared with the related C57BL/6N substrain. This immune perturbation is associated with a missense mutation in Nlrp12 in C57BL/6J mice. Both C57BL/6J and NLRP12-deficient mice have increased susceptibility to bacterial infection that correlates with defective neutrophil migration. C57BL/6J and NLRP12-deficient macrophages have impaired CXCL1 production and the neutrophil defect observed in C57BL/6J and NLRP12-deficient mice is rescued by restoration of macrophage NLRP12. These results demonstrate that C57BL/6J mice have a functional defect in NLRP12 and that macrophages require NLRP12 expression for effective recruitment of neutrophils to inflammatory sites.

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