Platelet-derived chemokines in atherosclerosis

 

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Summary

In atherosclerosis, activated platelets have been recently recognised not only to participate in thrombotic events but also to play an essential role in the development of atherosclerotic lesions. Upon their activation, platelets release several pro-inflammatory mediators including chemokines. Chemokines are key molecules in inflammation as they are able to recruit leukocytes, modulate their activation/differentiation and control their proliferation/apoptosis.

In this review we will discuss recent findings regarding the specific roles of chemokines released by platelets on leukocytes and their effects on atherosclerosis.

Zusammenfassung

Dass aktivierte Plättchen nicht nur entscheidend an thrombotischen Ereignissen beteiligt sind, sondern auch eine essenzielle Rolle bei der Ausbildung atherosklerotischer Plaques spielen ist eine Erkenntnis, die sich zunehmend durchsetzt. Nach Aktivierung, setzen Plättchen eine Reihe proinflammatorischer Mediatoren (z. B. Chemokine) frei. Chemokine sind für Entzündungsprozesse zentrale regulatorische Moleküle, da sie Leukozyten rekrutieren, differenzieren und ihre Proliferation und Apoptose beeinflussen.

In dieser Übersichtsarbeit behandeln wir aktuelle Erkenntnisse des Einflusses der von Plättchen freigesetzten Chemokine auf Leukozyten im Kontext von Atherosklerose.

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