Some Characteristics of Mouse Platelet Aggregation and a Comparison of the Activity of a Range of Compounds in Mouse and Human Platelet-Rich Plasma in Vitro

Barbara Nunn

doi:10.1055/s-0038-1650118

Thrombosis and Haemostasis, Inhaltsverzeichnis

Thromb Haemost 1981; 45(01): 001-005
DOI: 10.1055/s-0038-1650118

Original Article

Schattauer GmbH Stuttgart

Some Characteristics of Mouse Platelet Aggregation and a Comparison of the Activity of a Range of Compounds in Mouse and Human Platelet-Rich Plasma in Vitro

Barbara Nunn

Beecham Pharmaceuticals Research Division, Animal Health Research Centre, Walton Oaks, Tadworth, Surrey, U.K

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Abstract

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Summary

Collagen-induced platelet aggregation in mouse citrated platelet-rich plasma (PRP) was associated with 5-hydroxytryptamine (5-HT) release and degranulation. Adenosine 5’-diphosphate (ADP) induced monophasic and reversible aggregation with no degranulation. Mouse platelets gave no response to adrenaline but changed shape and sometimes aggregated in response to 5-HT. Both amines potentiated the effect of ADP. The respective potencies of prostaglandin E₁, papaverine, VK 774, BL 3459 and adenosine as inhibitors of ADP-induced aggregation were similar in mouse and human PRP. Although ticlopidine had similar activity in the two species, aspirin and flurbiprofen were considerably less potent in mouse than human PRP as inhibitors of collagen-induced aggregation. It is suggested that collagen-induced aggregation of mouse platelets in vitro occurs by a mechanism largely independent of arachidonic acid metabolites.

Keywords

Mouse - Platelet - Aggregation - Inhibitors

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Referenzen

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