Key result
In vitro cholesterol depletion of rabbit platelets by methyl-β-cyclodextrin significantly decreased thrombin-induced platelet aggregation from 55.7% to 22.5%.
Why the study?
Does in vitro modulation of cholesterol content affect platelet aggregation and calcium mobilization in rabbit platelets?
Does in vitro modulation of cholesterol content affect platelet aggregation and calcium mobilization in rabbit platelets?
Absolute Event Rate: 22.5% vs 55.7%
p-value: p=<0.05
Cholesterol content directly modulates rabbit platelet activation, with depletion inhibiting and enrichment augmenting aggregation and calcium mobilization.
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Cholesterol depletion effects in rabbit platelets should not change practice; leaves open translation to human platelet studies.
Shiraishi et al. (2010) studied Platelet activation. Cholesterol depletion (Methyl-β-cyclodextrin) vs. Untreated control platelets was evaluated on Thrombin-induced platelet aggregation (0.1 unit/ml) (p=<0.05). In vitro cholesterol depletion of rabbit platelets by methyl-β-cyclodextrin significantly decreased thrombin-induced platelet aggregation from 55.7% to 22.5%.
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