Journal
CELLULAR IMMUNOLOGY
Volume 283, Issue 1-2, Pages 8-11Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.cellimm.2013.05.005
Keywords
CCL20; Human gingival fibroblasts; IL-1 beta; Periodontitis; TLR3
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Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan [21792123]
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Viruses are related to the etiology of periodontitis. However, the role of viruses on Th17 cells infiltration in periodontitis lesions is unknown. Therefore, we examined the effects of TLR3 ligand on CCL20, which is related to Th17 cells migration, production in human gingival fibroblasts (HGFs). Polyinosinic-polycytidylic acid (Poly I:C), which is a TLR3 agonist, stimulation could moderately induce CCL20 production in HGFs. Poly I:C synergistically enhanced CCL20 expression from IL-1 beta-stimulated HGFs. Inhibitors of p38 MAPK, extracellular signal-regulated kinase (ERR), c-Jun N terminal kinase (JNK), and NF-kappa B significantly inhibited CCL20 production in Poly I:C/IL-1 beta-stimulated HGFs. Western blot analysis disclosed phosphorylation of p38 MAPK, JNK, and I kappa B-alpha were enhanced in Poly I:C/IL-1 beta-treated HGFs. These data suggested that virus infection is related to Th17 cells migration in periodontitis lesion to induce CCL20 production in HGFs via TLR3. Therefore, our results indicated that virus might be important pathogen in periodontal disease. (C) 2013 Elsevier Inc. All rights reserved.
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