Subpopulations in purified platelets adhering on glass.
Biointerphases
; 11(2): 029811, 2016 06 22.
Article
in En
| MEDLINE
| ID: mdl-27338300
ABSTRACT
Understanding how platelet activation is regulated is important in the context of cardiovascular disorders and their management with antiplatelet therapy. Recent evidence points to different platelet subpopulations performing different functions. In particular, procoagulant and aggregating subpopulations have been reported in the literature in platelets treated with the GPVI agonists. How the formation of platelet subpopulations upon activation is regulated remains unclear. Here, it is shown that procoagulant and aggregating platelet subpopulations arise spontaneously upon adhesion of purified platelets on clean glass surfaces. Calcium ionophore treatment of the adhering platelets resulted in one platelet population expressing both the procoagulant and the adherent population markers phosphatidylserine and the activated form of GPIIb/IIIa, while all of the platelets expressed CD62P independently of the ionophore treatment. Therefore, all platelets have the capacity to express all three activation markers. It is concluded that platelet subpopulations observed in various studies reflect the dynamics of the platelet activation process.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Blood Platelets
/
Platelet Activation
/
Adsorption
/
Glass
Limits:
Humans
Language:
En
Journal:
Biointerphases
Journal subject:
BIOTECNOLOGIA
/
ENGENHARIA BIOMEDICA
Year:
2016
Document type:
Article
Affiliation country:
Germany