STAT6-abhängige Stimulation des Osteoklasten-Inhibitors Osteoprotegerin in humanen Endothelzellen durch Interleukin-4 und Interleukin-13
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Philipps-Universität Marburg
Abstract
The (neo)-intimal calcifications of atherosclerotic lesions in the vascular wall are associated with an enhanced risk of cardiovascular events. Osteoprotegrin (OPG) may represent a crucial link between the skeleton and the vascular system in vascular calcification. The aim of this research project was to study how TH2-cytokines IL-4 and IL-13 modulate the expression of OPG in endothelial cells, and whether endothelial OPG can control differentiation and activation of osteoclasts. IL-4 and IL-13 stimulate OPG production in human endothelial cells via STAT6 activation. Endothelial cell-derived OPG specifically inhibits osteoclast activity. Collectively, these data highlight the importance of OPG as an essential common mediator of vascular and bone biology.
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This item has been published with the following license: In Copyright