alexa Effects of heparin and endothelial cell growth supplement on haemostatic functions of vascular endothelium.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Steroids & Hormonal Science

Author(s): Minter AJ, Dawes J, Chesterman CN

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Abstract Heparin in combination with endothelial cell growth factor (ECGF) affects physiological responses and growth of human umbilical vein endothelial cells (HUVEC). We have examined the effect of heparin, crude ECGF (endothelial cell growth supplement [ECGS]), or both on the basal and thrombin challenged output of metabolites by HUVEC. The supernatant and/or cell lysate was assayed for released prostacyclin, von Willebrand factor, tissue plasminogen activator, plasminogen activator inhibitor and thrombospondin. Heparin modified release of all these metabolites when in combination with ECGS, and in general these responses were the opposite of those generated by inflammatory mediators such as interleukin-1. It has been postulated that heparin acts by potentiating the effect of ECGF, but heparin inhibited thrombospondin release and enhanced that of von Willebrand factor in the absence of ECGS, while ECGS alone inhibited release of plasminogen activator inhibitor. Thus, under our experimental conditions it would appear that heparin and crude ECGF can affect HUVEC independently of one another.
This article was published in Thromb Haemost and referenced in Journal of Steroids & Hormonal Science

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