Abstract:
CONCLUSION:Our results demonstrate for the first time a potentially enhanced basal secretion of monocyte chemoattractant protein-1 (MCP-1) and interleukin (IL)-17A-stimulated secretion of IL-6 from nasal polyp fibroblasts, enhanced basal secretion of IL-6 from eosinophilic nasal polyp fibroblasts, and a remarkable up-regulation of IL-9 and granulocyte colony-stimulating factor (G-CSF) from nasal fibroblasts by IL-17A stimulation. OBJECTIVES:The fibroblast, one of the main cell types making up nasal polyps, is thought to be a target cell of various cytokines. METHODS:Subcultured fibroblasts were established from human polyp biopsy tissues. Simultaneous quantification of 27 kinds of cytokines and chemokines in culture supernatants in unstimulated and IL-17A-stimulated conditions was performed with a human multiplex cytokine assay system. RESULTS:The IL-17A receptor was expressed at similar levels in all three groups. In the eosinophilic group, basal secretion levels of IL-6 were significantly higher than those in the control and non-eosinophilic groups. Basal secretion of MCP-1 in both the non-eosinophilic and eosinophilic groups was also higher than that of the control group. Both IL-9 and G-CSF secretion were remarkably enhanced by IL-17A stimulation in all three groups. The receptor-mediated response by IL-17A significantly up-regulated IL-6 release alone in the non-eosinophilic and eosinophilic groups as compared with the control group.
journal_name
Acta Otolaryngoljournal_title
Acta oto-laryngologicaauthors
Homma H,Kamiya K,Kusunoki T,Ikeda Kdoi
10.3109/00016489.2013.796091subject
Has Abstractpub_date
2013-10-01 00:00:00pages
1065-72issue
10eissn
0001-6489issn
1651-2251journal_volume
133pub_type
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journal_title:Acta oto-laryngologica
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