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Effect of alpha-tocopherol administration on platelet function in man.

M Steiner

    Thrombosis and Haemostasis
    |April 28, 1983
    PubMed
    Summary

    Vitamin E supplementation significantly reduced collagen-induced platelet aggregation in women and decreased platelet adhesion in both sexes. These findings suggest vitamin E may benefit arterial thromboembolic diseases.

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    Area of Science:

    • Biochemistry
    • Hematology
    • Nutritional Science

    Background:

    • Platelet function is crucial in hemostasis and thrombosis.
    • Arterial thromboembolic diseases represent a significant health burden.
    • Vitamin E, an antioxidant, has been investigated for its potential cardiovascular benefits.

    Purpose of the Study:

    • To evaluate the effect of vitamin E administration on platelet function in healthy volunteers.
    • To compare the effects of vitamin E, aspirin, and a combination of both on platelet aggregation and adhesion.

    Main Methods:

    • A randomized controlled trial involving 47 healthy volunteers (20 men, 27 women).
    • Participants were divided into three experimental groups (vitamin E, aspirin, vitamin E + aspirin) and one control group.
    • Platelet aggregation (induced by collagen, ADP, epinephrine) and platelet adhesion to collagen were measured weekly over a 6-week period.

    Main Results:

    • Vitamin E alone significantly reduced collagen-induced platelet aggregation in women; a similar trend was observed in men.
    • Aspirin did not affect platelet adhesiveness.
    • Vitamin E and the vitamin E + aspirin combination significantly reduced platelet adhesion to collagen.

    Conclusions:

    • Vitamin E administration demonstrates a beneficial effect on platelet function, specifically reducing collagen-induced aggregation and adhesion.
    • The findings suggest a potential therapeutic role for vitamin E in managing arterial thromboembolic diseases.
    • Further research is warranted to confirm these effects and elucidate the underlying mechanisms.

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