Impairment of ADP-Induced Platelet Aggregation by Hashish Components

Rachel Levy; Avital Schurr; Ilana Nathan; Alexander Dvilanski; Avinoam Livne

doi:10.1055/s-0038-1648084

Thrombosis and Haemostasis, Inhaltsverzeichnis

Thromb Haemost 1976; 36(03): 634-640
DOI: 10.1055/s-0038-1648084

Original Article

Schattauer GmbH

Impairment of ADP-Induced Platelet Aggregation by Hashish Components

Autoren

Rachel Levy

¹Biology Department and Research and Development Authority, Ben-Gurion University of the Negev and Blood Research Laboratory, Soroka Medical Center, Beer-Sheva, Israel
Avital Schurr

¹Biology Department and Research and Development Authority, Ben-Gurion University of the Negev and Blood Research Laboratory, Soroka Medical Center, Beer-Sheva, Israel
Ilana Nathan

¹Biology Department and Research and Development Authority, Ben-Gurion University of the Negev and Blood Research Laboratory, Soroka Medical Center, Beer-Sheva, Israel
Alexander Dvilanski

¹Biology Department and Research and Development Authority, Ben-Gurion University of the Negev and Blood Research Laboratory, Soroka Medical Center, Beer-Sheva, Israel
Avinoam Livne

¹Biology Department and Research and Development Authority, Ben-Gurion University of the Negev and Blood Research Laboratory, Soroka Medical Center, Beer-Sheva, Israel

Abstract

Summary

ADP-induced aggregation of washed human platelets is inhibited by the hashish components Δ¹-tetrahydrocannabinol (THC) and cannabidiol (CBD). The inhibition is counteracted by added ADP. When the cannabinoids are present at concentrations higher than 10⁻⁵M, the platelets aggregate non-reversibly, independently of an added inducer, apparently due to lysis and release of endogenous inducers. THC is clearly more potent than CBD in exhibiting the biphasic effect. Collagen- and thrombin-induced aggregation of washed platelets are hardly affected by the cannabinoids. THC and CBD also curtail ADP-induced reversible aggregation in platelet-rich plasma, while serotonin release and irreversible aggregation, caused by either ADP, collagen or thrombin, are not affected by the cannabinoids in platelet-rich plasma. The data point to associated sites for ADP and the cannabinoids on the platelet membrane.

Volltext

Referenzen

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