Production of Rantes/CCL5 in human gingival fibroblasts challenged with tumor necrosis factor alpha

European Journal of Oral Sciences
M MustafaT Modéer

Abstract

Chemokines are small-secreted proteins that stimulate the directional migration of leukocytes and thereby mediate the inflammatory process. The present study investigates the capacity of human gingival fibroblasts to produce the beta chemokine Rantes/CCL5. In situ hybridization, immunohistochemistry and ELISA were used to measure the induction of Rantes/CCL5 at the mRNA and protein levels, both in unstimulated gingival fibroblasts as well as in fibroblasts treated with the proinflammatory cytokines tumor necrosis factor (TNF)alpha or interleukin (IL)-1beta. TNFalpha in different concentrations (0.1-10 ng/ml) induced Rantes/CCL5 mRNA expression and protein production in 24-h cultures of human gingival fibroblasts. The expression of Rantes/CCL5-mRNA and protein production, induced by TNFalpha, was evident at 6 h and thereafter increased continuously during the study period (24 h). IL-1beta (3-300 pg/ml) also enhanced the production of Rantes/CCL5 in gingival fibroblasts. The amount of Rantes/CCL5 induced by IL-1beta (300 pg/ml), however, was less than that induced by TNFalpha (10 ng/ml). The study suggests that human gingival fibroblasts, by producing the chemokine Rantes/CCL5, participate in the regulation of the host response d...Continue Reading

References

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Citations

Dec 31, 2003·Clinical Immunology : the Official Journal of the Clinical Immunology Society·Matthias FolwacznyChristian Folwaczny
Mar 18, 2004·Journal of Periodontology·R B JohnsonF G Serio
Feb 14, 2014·Mediators of Inflammation·Edyta KawkaAchim Jörres

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