Fig. 1
From: Thrombosis in COVID-19 infection: Role of platelet activation-mediated immunity
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12959-021-00311-9/MediaObjects/12959_2021_311_Fig1_HTML.png)
Different predominant platelet receptors and their physiological role. PAR1/PAR4; Adhesion, spreading, and secretion, GPIb-IX-V complex;Initiation of platelet recruitment, TXA2R;Platelet aggregation, TLR; Inflammatory response, P2Y1 and P2Y12; Amplification of aggregation, GPIIb/IIIa; Platelet aggregation, CD36;Aggregation, stabilization of aggregates, P-selectin; Clot formation with leukocytes, GPVI; Platelet aggregation, P-selectin interacting with PSGL-1 on leukocyte, CXCR4; Platelet activation (P-selectin expression, adhesion [41]