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- Title
Necrotic cell death increases the release of macrophage migration inhibitory factor by monocytes/macrophages.
- Authors
Dankers, Wendy; Hasnat, Md Abul; Swann, Vanesa; Alharbi, Arwaf; Lee, Jacinta PW; Cristofaro, Megan A; Gantier, Michael P; Jones, Sarah A; Morand, Eric F; Flynn, Jacqueline K; Harris, James
- Abstract
Macrophage migration inhibitory factor (MIF) is a pleiotropic inflammatory molecule with both cytokine and noncytokine activity. MIF is constitutively released from multiple cell types via an unconventional secretory pathway that is not well defined. Here, we looked at MIF release from human and mouse monocytes/macrophages in response to different stimuli. While MIF release was not significantly altered in response to lipopolysaccharide or heat‐killed Escherichia coli, cytotoxic stimuli strongly promoted release of MIF. MIF release was highly upregulated in cells undergoing necrosis, necroptosis and NLRP3 inflammasome‐dependent pyroptosis. Our data suggest that cell death represents a major route for MIF release from myeloid cells. The functional significance of these findings and their potential importance in the context of autoimmune and inflammatory diseases warrant further investigation.
- Subjects
MACROPHAGE migration inhibitory factor; CELL death; NECROSIS
- Publication
Immunology & Cell Biology, 2020, Vol 98, Issue 9, p782
- ISSN
0818-9641
- Publication type
Article
- DOI
10.1111/imcb.12376