Reciprocal interaction between macrophage migration inhibitory factor and interleukin-8 in gout
- Authors
- Kim, K. -W.; Kim, B. -M.; Lee, K. -A.; Kim, H. -S.; Lee, S. -H.; Kim, H. -R.
- Issue Date
- Mar-2019
- Publisher
- Pacini Editore SpA
- Keywords
- gout; monosodium urate; macrophage migration inhibitory factor; interleukin-8
- Citation
- Clinical and Experimental Rheumatology, v.37, no.2, pp 270 - 278
- Pages
- 9
- Journal Title
- Clinical and Experimental Rheumatology
- Volume
- 37
- Number
- 2
- Start Page
- 270
- End Page
- 278
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/4687
- ISSN
- 0392-856X
1593-098X
- Abstract
- Objective Macrophage migration inhibitory factor (MIF) is a proinflammatory, chemotactic, and tissue destructive cytokine. This study determined monosodium urate crystal-induced MIF production and its interaction with interleukin (IL)-8 in gout. Methods Peripheral blood (PB), synovial fluid (SF), and clinical data were obtained from 98 patients with gout. SF and serum concentrations of MIF and IL-8 were measured using ELISA. SF monocytes and neutrophils were cultured with monosodium urate (MSU) crystals and the cytokine production was determined. The signalling pathways involved were determined using signal inhibitors. The interaction between MIF and IL-8 was investigated. Results SF MIF was higher in acute gout and that in serum was higher in patients with intercritical gout compared with controls. SF MIF was positively correlated with SF leukocyte and neutrophil counts and IL-8. The expression of MIF was similar in SF neutrophils and monocytes, while IL-8 was higher in monocytes. MSU crystals induced MIF production in monocytes and IL-8 production in neutrophils. This effect was decreased by inhibiting Fc-gamma receptor 1 and toll-like receptor 4. IL-8 increased MIF production in monocytes while MIF increased interleukin-8 production in neutrophils. Conclusion MIF and IL-8 are highly produced in acute gout. MSU crystals induced MIF production in monocytes and IL-8 production in neutrophils with a reciprocal interaction between the two cytokines.
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