Biological actions of leukotrienes. State of the art lecture.
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Biological actions of leukotrienes. State of the art lecture.
Leukotrienes are novel mediators derived from arachidonic acid through the 5-lipoxygenase enzyme system. Leukotriene B4 has potent effects on leukocyte function and in vivo induces leukocyte accumulation and changes in vascular permeability and modulates pain responses. Peptido-lipid leukotrienes are potent smooth muscle--contracting agents. They may have important cardiovascular actions throug...
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Leukotrienes are novel mediators derived from arachidonic acid through the 5-lipoxygenase enzyme system. Leukotriene B4 has potent effects on leukocyte function and in vivo induces leukocyte accumulation and changes in vascular permeability and modulates pain responses. Peptidolipid leukotrienes are potent smooth muscle-contracting agents. They may have important cardiovascular actions through ...
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The response of isolated blood vessels to a variety of vasoactive agonists is modulated by the presence of endothelial cells. Indeed, these cells can release both dilator and constrictor substances. The major endothelium-derived relaxing factor may be nitric oxide, which activates soluble guanylate cyclase in the smooth muscle, although the endothelial cells also secrete an unidentified hyperpo...
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By virtue of its location at the interface of flowing blood and vascular tissue, the endothelial cell monolayer is in a unique position for interactions with soluble and cellular elements of the blood on one side and with component cells of the vascular tissue on the other. This brief review outlines humoral and contact-mediated endothelial communication with other cells, particularly the resid...
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Hemodynamic factors, circulating hormones, paracrine factors, and intracrine factors influence vascular smooth muscle growth and plasticity. The well-characterized role of angiotensin II in the modulation of vascular tone and cell function may be critically involved in the mechanisms by which vascular smooth muscle responds to signals associated with vascular endothelial dysfunction and increas...
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ژورنال
عنوان ژورنال: Hypertension
سال: 1986
ISSN: 0194-911X,1524-4563
DOI: 10.1161/01.hyp.8.6_pt_2.ii44