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Oncostatin M receptor-beta signaling limits monocytic cell recruitment in acute inflammation

Hams, Emily, Colmont, Chantal S., Dioszeghy, Vincent, Hammond, Victoria Jayne, Fielding, Ceri Alan ORCID:, Williams, Anwen Sian ORCID:, Tanaka, Minoru, Miyajima, Atsushi, Taylor, Philip Russel ORCID:, Topley, Nicholas and Jones, Simon Arnett ORCID: 2008. Oncostatin M receptor-beta signaling limits monocytic cell recruitment in acute inflammation. Journal of Immunology 181 (3) , pp. 2174-2180.

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Although the IL-6-related cytokine oncostatin M (OSM) affects processes associated with disease progression, the specific function of OSM in the face of an inflammatory challenge remains unclear. In this report, a peritoneal model of acute inflammation was used to define the influence of OSM on chemokine-mediated leukocyte recruitment. When compared with wild-type and IL-6-deficient mice, peritoneal inflammation in oncostatin M receptor-beta-deficient (OSMR-KO) mice resulted in enhanced monocytic cell trafficking. In contrast to IL-6-deficient mice, OSMR-KO mice displayed no difference in neutrophil and lymphocyte migration. Subsequent in vitro studies using human peritoneal mesothelial cells and an in vivo appraisal of inflammatory chemokine expression after peritoneal inflammation identified OSM as a prominent regulator of CCL5 expression. Specifically, OSM inhibited IL-1beta-mediated NF-kappaB activity and CCL5 expression in human mesothelial cells. This was substantiated in vivo where peritoneal inflammation in OSMR-KO mice resulted in a temporal increase in both CCL5 secretion and NF-kappaB activation. These findings suggest that IL-6 and OSM individually affect the profile of leukocyte trafficking, and they point to a hitherto unidentified interplay between OSM signaling and the inflammatory activation of NF-kappaB.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Systems Immunity Research Institute (SIURI)
Subjects: Q Science > QR Microbiology > QR180 Immunology
R Medicine > R Medicine (General)
Publisher: American Association of Immunologists
ISSN: 0022-1767
Last Modified: 09 Nov 2022 08:45

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