Bradykinin-related peptides (kinins) are well known to contribute to leukocyte recruitment to inflammatory foci; however, a role of these universal pro-inflammatory mediators in the first step of this process, i.e. the leukocyte adhesion to endothelial cells, is not well understood. In this work we found that bradykinin and des-Arg 10-kallidin enhance the adhesion of polymorphonuclear bloods cells (PMN) to fibrinogen and fibronectin. Also, the PMN adherence to endothelial cells of HMEC-1 line strongly increased after stimulation by kinins, particularly des-Arg 10-kallidin, or when PMN were co-stimulated with bradykinin and interleukin-1β. These effects were attenuated after PMN treatment with a specific inhibitor of carboxypeptidases, which convert kinins to their des-Arg metabolites. The kinin peptides were also able to change the Mac-1 integrin expression on the PMN surface. These results suggest a regulatory effect of kinins on leukocyte adhesion to endothelial wall, providing new aspects of the leukocyte infiltration into inflamed tissues. © 2011 Informa Healthcare USA, Inc.
CITATION STYLE
Guevara-Lora, I., Labedz, A., Skrzeczynska-Moncznik, J., & Kozik, A. (2011). Bradykinin and des-Arg 10-kallidin enhance the adhesion of polymorphonuclear leukocytes to extracellular matrix proteins and endothelial cells. Cell Communication and Adhesion, 18(4), 67–71. https://doi.org/10.3109/15419061.2011.617854
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