Key result
Old rat platelets showed a 25% decrease in size and a 10% reduction in clot-retracting ability compared to young platelets, with no statistically significant difference in ATP content.
Why the study?
Does in vivo aging of rat blood platelets affect their size, ATP content, and clot retraction ability?
Population
Rat blood platelets. Young platelets obtained 2 days after injecting rats with antiplatelet serum; old…
Comparison
In vivo aging of platelets (old platelets) vs Young and normal platelets
Design
Preclinical
Authors
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Aging rat platelets show reduced size and retraction; leaves open translation to human thrombosis risk and clinical relevance.
Does in vivo aging of rat blood platelets affect their size, ATP content, and clot retraction ability?
In vivo aging of rat platelets is associated with a reduction in platelet size and clot retraction ability, but no significant change in ATP content.
Detwiler et al. (1962) studied this question. Platelet age (old vs young) vs. Young platelets was evaluated on Platelet size, ATP content, and clot retraction. Old rat platelets showed a 25% decrease in size and a 10% reduction in clot-retracting ability compared to young platelets, with no statistically significant difference in ATP content.
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