- Research article
- Open Access
The expression of the eotaxins IL-6 and CXCL8 in human epithelial cells from various levels of the respiratory tract
Cellular & Molecular Biology Letters volume 18, pages612–630(2013)
Airway epithelium acts as multifunctional site of response in the respiratory tract. Epithelial activity plays an important part in the pathophysiology of obstructive lung disease. In this study, we compare normal human epithelial cells from various levels of the respiratory tract in terms of their reactivity to pro-allergic and pro-inflammatory stimulation. Normal human nasal, bronchial and small airway epithelial cells were stimulated with IL-4 and IL-13. The expressions of the eotaxins IL-6 and CXCL8 were evaluated at the mRNA and protein levels. The effects of pre-treatment with IFN-γ on the cell reactivity were measured, and the responses to TNF-α, LPS and IFN-γ were evaluated. All of the studied primary cells expressed CCL26, IL-6 and IL-8 after IL-4 or IL-13 stimulation. IFN-γ pre-treatment resulted in decreased CCL26 and increased IL-6 expression in the nasal and small airway cells, but this effect was not observed in the bronchial cells. IL-6 and CXCL8 were produced in varying degrees by all of the epithelial primary cells in cultures stimulated with TNF-α, LPS or IFN-γ. We showed that epithelial cells from the various levels of the respiratory tract act in a united way, responding in a similar manner to stimulation with IL-4 and IL-13, showing similar reactivity to TNF-α and LPS, and giving an almost unified response to IFN-γ pre-stimulation.
American Type Culture Collection
bronchial epithelial cell growth medium
chronic obstructive pulmonary disease
transforming growth factor beta
tumor necrosis factor alpha
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Paplińska-Goryca, M., Nejman-Gryz, P., Chazan, R. et al. The expression of the eotaxins IL-6 and CXCL8 in human epithelial cells from various levels of the respiratory tract. Cell Mol Biol Lett 18, 612–630 (2013). https://doi.org/10.2478/s11658-013-0107-y
- Interferon gamma
- Interleukin 6
- Respiratory epithelium
- United airways