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Vascular and Platelet Eicosanoids, Smoking and Atherosclerosis

  • J. Y. Jeremy
  • D. P. Mikhailidis
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 273)

Abstract

Vascular tissue synthesizes prostanoids (PGs) that modulate contractility, myocyte and fibroblast proliferation, platelet aggregation and leucocyte function, all of which are key components in the pathophysiology of atherogenesis. Furthermore, platelet and leucocyte release substances have been shown to stimulate the synthesis and release of PGs from vascular cells. It is possible, therefore, that vascular PGs are part of a protective response against atherogenic events. Consequently, any disruption of PG synthesis (viz. as a result of smoking) may accelerate the atherogenic state. Although smoking is a major risk factor in the development of atherosclerosis, the combination of smoking with other risk factor (e.g., diabetes, hypertension, hypercholesterolaemia) markedly increases the likelihood of death from atherosclerotic disease. The present paper therefore discusses the following:
  1. 1)

    How PGs relate to pathophysiology of atherosclerosis

     
  2. 2)

    Experimental findings on the effects of cigarette smoking on vascular and platelet prostanoid synthesis.

     
  3. 3)

    How other risk factors may interact with smoking to influence vascular permeability

     
  4. 4)

    Future directions and emphases on research into eicosanoids and smoking.

     

Keywords

Cigarette Smoke Extract Arterial Smooth Muscle Cell Calcium Ionophore A23187 Prostacyclin Synthesis Prostanoid Synthesis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1990

Authors and Affiliations

  • J. Y. Jeremy
    • 1
  • D. P. Mikhailidis
    • 1
  1. 1.Department of Chemical Pathology and Human Metabolism, Royal Free Hospital and School of MedicineUniversity of LondonLondonUK

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