Alpha-tocopherol, a potent modulator of endothelial cell function.

Abstract:

:The effect of alpha-tocopherol on various endothelial cell functions was evaluated in vitro using cultures of human umbilical vein endothelial cells. Prostacyclin synthesis, plasminogen activator activity and von Willebrand factor activity were evaluated in control and alpha-tocopherol supplemented cultures. Alpha-tocopherol produced stimulation of prostacyclin production which peaked at or near 0.5 mM. Plasminogen activator activity was markedly reduced by the addition of alpha-tocopherol. Von Willebrand factor activity showed a significant decrease of processed and cellular forms that was dose-dependent. The incorporation of alpha-tocopherol into endothelial cells could be demonstrated by measuring intracellular levels of the vitamin in washed endothelial cells. Our results show that alpha-tocopherol has a profound effect on multiple endothelial cell functions which are intimately involved in hemostasis.

journal_name

Thromb Res

journal_title

Thrombosis research

authors

Huang N,Lineberger B,Steiner M

doi

10.1016/0049-3848(88)90203-4

subject

Has Abstract

pub_date

1988-05-15 00:00:00

pages

547-57

issue

4

eissn

0049-3848

issn

1879-2472

journal_volume

50

pub_type

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