THE STUDY OF REGULARITIES OF INDUCTION OF IL-8 SYNTHESIS BY NEUTROPHIL DEFENSINS IN VITRO
https://doi.org/10.15789/1563-0625-2005-5-6-579-582
Abstract
Abstract. We explored the effects of defensins on IL-8 synthesis in various human cells, including bronchoepithelial cell line A-549, monocytes, monocyte-derived macrophages differentiated in the presence of M-CSF, HU-VEC cells, HEK293 and THP-1 cell lines. HNP at 10-5-10-4М induced IL-8 production and cytotoxicity in serum-less A-549 culture. The addition of serum abrogated the cytotoxicity along with the induction of IL-8 synthesis. Similar effects were observed in HEK293 cell line and HUVEC.
The induction of cytotoxicity along with IL-8 production by HNP at 10-5-10-4М was also observed in the serum-less cultures of human monocytes and macrophages. However, monocytes and macrophages retained HNP-induced production of IL-8 after the addition of serum, while cytotoxic effect of HNP was completely inhibited. The data imply a specific interaction of alpha-defensins with some membrane receptors of monocytes and macrophages that leads to the induction of IL-8 and might also occur in vivo.
About the Authors
Y. V. Chaly
РНПЦ гематологии и трансфузиологии МЗ РБ, Минск
Belarus
Belarus
K. V. Kotlinsky
РНПЦ гематологии и трансфузиологии МЗ РБ, Минск
Belarus
Belarus
A. M. Sholukh
РНПЦ гематологии и трансфузиологии МЗ РБ, Минск
Belarus
Belarus
N. N. Voitenok
Фонд развития молекулярной гематологии и иммунологии, Москва
Russian Federation
Russian Federation
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Review
For citations:
Chaly Y.V., Kotlinsky K.V., Sholukh A.M., Voitenok N.N. THE STUDY OF REGULARITIES OF INDUCTION OF IL-8 SYNTHESIS BY NEUTROPHIL DEFENSINS IN VITRO. Medical Immunology (Russia). 2005;7(5-6):579-582. (In Russ.) https://doi.org/10.15789/1563-0625-2005-5-6-579-582
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