Key result
GPVI deficiency in FcRgamma-null mice delayed initial thrombus formation and vessel occlusion after severe FeCl3 injury compared with wild-type mice, but laser-induced thrombus was comparable.
Why the study?
Does the absence of glycoprotein VI (GPVI) or the type of vascular injury affect arteriolar thrombus formation in mice?
Population
FcRgamma-null mice (FcRgamma(-/-)) lacking platelet surface GPVI and wild-type mice
Comparison
Severe or mild FeCl injury, laser injury, and… vs Wild-type mice and different injury models
Design
Preclinical
Authors
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GPVI relevance to thrombosis is injury-dependent in mice; leaves open translation to clinical antiplatelet therapy.
Does the absence of glycoprotein VI (GPVI) or the type of vascular injury affect arteriolar thrombus formation in mice?
The mechanism of thrombus formation depends heavily on the injury model, with GPVI-collagen interaction being crucial in FeCl3 injury but thrombin activation dominating in laser injury.
Dubois et al. (2006) studied Arteriolar thrombus formation. FcRgamma-null (GPVI deficiency) vs. Wild-type mice was evaluated on Times to initial thrombus formation and vessel occlusion. GPVI deficiency in FcRgamma-null mice delayed initial thrombus formation and vessel occlusion after severe FeCl3 injury compared with wild-type mice, but laser-induced thrombus was comparable.
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