Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2012
[High-mobility group box protein 1 in synergy with interleukin-1β promotes interleukin-8 expression in human airway epithelial cells in vitro].
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Zhang Dandan, Zhao Haijin, Zhou Liqin, Song Jiafu, Dong Hangming, Zou Fei, Cai Shaoxi
Аннотация
OBJECTIVE: To test the effect of high-mobility group box protein 1 (HMGB1) alone or in synergy with interleukin-1β (IL-1β) on the expression of IL-8 in human airway epithelial cells in vitro.
METHODS: Human airway epithelial 16HBE and A549 cell lines were incubated with HMGB1 (100 ng/ml) in the absence or presence of IL-1β (10 ng/ml) for 24 h, and the changes of IL-8 mRNA and protein expressions were assessed using quantitative PCR and enzyme-linked immunosorbent assay (ELISA).
RESULTS: In the two human airway epithelial cell lines, HMGB1 alone did not produce obvious effect on the expression of IL-8, but in the presence of IL-1β, HMGB1 caused a significant increase of IL-8 expressions at both the mRNA and protein levels.
CONCLUSION: HMGB1 in synergy with IL-1β increases the expression of IL-8 in human airway epithelial cells, which provides new evidence that HMGB1 contributes to neutrophilic airway inflammation by regulating IL-8 expression.
METHODS: Human airway epithelial 16HBE and A549 cell lines were incubated with HMGB1 (100 ng/ml) in the absence or presence of IL-1β (10 ng/ml) for 24 h, and the changes of IL-8 mRNA and protein expressions were assessed using quantitative PCR and enzyme-linked immunosorbent assay (ELISA).
RESULTS: In the two human airway epithelial cell lines, HMGB1 alone did not produce obvious effect on the expression of IL-8, but in the presence of IL-1β, HMGB1 caused a significant increase of IL-8 expressions at both the mRNA and protein levels.
CONCLUSION: HMGB1 in synergy with IL-1β increases the expression of IL-8 in human airway epithelial cells, which provides new evidence that HMGB1 contributes to neutrophilic airway inflammation by regulating IL-8 expression.