In vivo blockade of platelet ADP receptor P2Y(12) reduces embolus and thrombus formation but not thrombus stability

M.A. Gestel, van, J.W.M. Heemskerk, D.W. Slaaf, V.V.T. Heijnen, R.S. Reneman, M.G.A. Oude Egbrink

    Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

    74 Citaten (Scopus)

    Samenvatting

    Objective— ADP is a key platelet agonist in thromboembolism. One of the receptors involved in ADP-induced platelet activation is the P2Y12 receptor, which is a target for antithrombotic drugs. Methods and Results— Here, we present first evidence for a differential role of this receptor in thrombus and embolus formation in vivo. Anesthetized rabbits were treated with the selective P2Y12 antagonists AR-C69931 MX (3 µg · kg · min-1 IV) or clopidogrel (25 mg/kg orally). Efficacy of these treatments was monitored by aggregation and thrombin generation measurements in blood samples ex vivo. Mesenteric arterioles were mechanically injured; thrombus growth and subsequent embolus formation were visualized by real-time intravital microscopy. AR-C69931 MX and clopidogrel significantly (P
    Originele taal-2Engels
    Pagina's (van-tot)518-523
    TijdschriftArteriosclerosis, Thrombosis, and Vascular Biology
    Volume23
    Nummer van het tijdschrift3
    DOI's
    StatusGepubliceerd - 2003

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