On the Mechanism by which Cell Contact Induces the Release Reaction of Blood Platelets; the Effect of Cationic Polymers
- 1 January 1972
- journal article
- schattauer gmbh
- Published by Georg Thieme Verlag KG in Thrombosis and Haemostasis
- Vol. 27 (01) , 121-133
- https://doi.org/10.1055/s-0038-1649347
Abstract
Human blood platelets are aggregated by the basic polymers polylysine and DEAE- dextran. Under certain conditions a second phase of aggregation, concomitant with the release reaction, is elicited. The presence of ADP, calcium ions and a plasmatic cofactor within the primary aggregates are necessary for the induction of the release reaction. These experiments demonstrate that cell contact per se does not lead to a release reaction ; in order to become effective it must take place in the presence of ADP.Keywords
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