Thromb Haemost 1972; 27(01): 121-133
DOI: 10.1055/s-0038-1649347
Originalarbeiten — Original Articles — Travaux Originaux
Schattauer GmbH

On the Mechanism by which Cell Contact Induces the Release Reaction of Blood Platelets; the Effect of Cationic Polymers

P Massini
1   Theodor Kocher Institute, University of Berne
,
E. F Lüscher
1   Theodor Kocher Institute, University of Berne
› Author Affiliations
Further Information

Publication History

Publication Date:
29 June 2018 (online)

Summary

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.

 
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