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platelet-activating factor |
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platelet-activating factor [¦plāt·lət ′ak·tə‚vād·iŋ ‚fak·tər] (immunology) A phospholipid released by leukocytes that causes aggregation of platelets and other effects, such as an increase in vascular permeability and bronchoconstriction. Abbreviated PAF. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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This results in the release of cytokines with vasoactive and procoagulant properties (interleukins, tumor necrosis factor, platelet-activating factor, and urokinase) (17,18). These cytokines include platelet-derived growth factor, transforming growth factor B1, platelet-derived epidermal growth factor, platelet-derived angiogenesis factor platelet factor 4, and platelet-activating factor. Folts suggests that alprazolam acts by blocking platelet-activating factor, a clot-inducing protein produced by cells lining the blood vessels. |
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