Cannabinoids and haemostasis

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Cannabinoids and haemostasis

Journal Title: Advances in Hygiene and Experimental Medicine - Year 2016, Vol 70, Issue

Abstract

Elements of the endocannabinoid system (cannabinoid receptors CB1, CB2, CBPT and CBED, endocannabinoids, enzymes involved in the synthesis and metabolism of endocannabinoids) are located on the structures involved in the process of hemostasis. An increasing level of endocannabinoids was also observed in some pathological conditions, which may occur in disorders of hemostasis. At the same time, disconcertingly, there is an increased number of reports about incidents of cardiovascular events in smokers of marijuana. Experimental and clinical studies demonstrated multidirectional, often contradictory, effects of cannabinoids on hemostasis, including effects of the compounds on platelets, vascular endothelium, fibrinolysis and plasma coagulation systems. The mechanisms of action of cannabinoids on homeostasis depend on the cannabinoid receptors CB1, CB2, CBPT and CBED, receptors of other systems stimulated by endocannabinoids, as well as metabolites of endocannabinoids and nitrogen oxide. The range of biological functions of endo- and plant cannabinoids, expanded to include the process of hemostasis, may constitute a condition for their recognition as a new factor responsible for thromboembolism in smokers of marijuana, in pathological disorders with increased levels of endocannabinoids and in individuals with polymorphisms of FAAH C385A and A385A. On the other hand, there are compelling reasons for anti‑hemostatic action of cannabinoids.

Authors and Affiliations

Agnieszka Zakrzeska, Tomasz Grędziński, Wioleta Kisiel, Ewa Chabielska

Keywords

kannabinoidy receptory kannabinoidowe hemostaza proces zakrzepowy Cannabinoids cannabinoid receptors Hemostasis thrombotic process

EP ID EP220819
DOI -
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