Key result
GPVI provides the primary collagen signal that activates and recruits the integrin receptor alpha2beta1 to further amplify collagen signals and fully activate platelets.
Population
Hematopoietic cell lines, human platelets, low-GPVI mice, mouse platelets lacking LAT, and wild-type platelets
Comparison
Receptor blockade, genetic alteration of… vs Wild-type platelets and unblocked receptors
Design
Preclinical
Authors
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Caution against clinical translation; leaves open human validation of the reciprocal GPVI-integrin model.
This study proposes a reciprocal two-receptor model where GPVI provides the primary collagen signal that activates and recruits integrin alpha2beta1 to amplify signals and fully activate platelets.
Chen et al. (2003) studied Platelet activation. GPVI provides the primary collagen signal that activates and recruits the integrin receptor alpha2beta1 to further amplify collagen signals and fully activate platelets.
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