期刊
IMMUNOLOGICAL INVESTIGATIONS
卷 46, 期 3, 页码 274-283出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/08820139.2016.1248562
关键词
Array; carrageenan; CINC; cytokine; inflammation; paw edema
类别
资金
- SRM University
Objective: Carrageenan (CA)-induced edema has been described as highly reproducible model of acute inflammation. However, little is known about the cytokines attributed to the CA-induced inflammation. In this study, we aimed to investigate the local and systemic expression profiles of various inflammatory cytokines following the subplantar injection of CA in rats.Methodology: Acute inflammation was induced in male Wistar rats by subplantar injection of CA. Serum and paw tissue were examined for the level of 19 specific inflammatory cytokines using antibody array. Further, the CA-elicited level of key inflammatory cytokines, cytokine-induced neutrophil chemoattractant (CINC)-2, CINC-3, interleukin (IL)-1, IL-6, and tumor necrosis factor (TNF)-, were quantified by enzyme-linked immunosorbent assay (ELISA).Results: Edema was peaked 3 h postinjection of CA in hind paw. Among 19 specific cytokines profiled using antibody array, CA significantly (p < 0.05) elicited the levels of CINC-2, CINC-3, IL-1, IL-6, -NGF, TNF-, and VEGF in paw tissue and that of CINC-2 and CINC-3 in serum. Consistently, levels of CINC-2, CINC-3, IL-1, IL-6, and TNF- in tissue and CINC-2 and CINC-3 in serum were upregulated in CA-treated rats when compared to control, quantified by ELISA.Conclusions: This study corroborates the distinct pattern of inflammatory cytokines involved during CA-induced acute inflammation. Furthermore, data provide new evidence on elevated expression of rat CXC chemokines: CINC-2 and CINC-3 at the site of inflammation as well as their significant reflection in the circulation, thereby suggesting their frontline role in CA-induced acute inflammation.
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