ArticleInterdisciplinary toxicology2015
Endothelium and the effect of activated neutrophils on arterial smooth muscle.
Article in Interdisciplinary toxicology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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2 authors at 1 institution in 1 country.
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Abstract
The aim of the study was to analyze the involvement of the endothelium in the effects of neutrophils (PMNL) on phenylephrine-precontracted isolated rings of the rat thoracic aorta and to compare their effects with those of peroxynitrite (ONOO(-)) and hypochlorous acid (HOCl). Activated PMNL-induced contraction of the precontracted aorta was prevented by the blockade of NO-synthase and by endothelium removal. In the endothelium-free preparations, the effect of PMNL reappeared in the presence of sodium nitroprusside. The effect of ONOO(-) and HOCl significantly differed from that of activated PMNL both in the presence and absence of the endothelium. It is therefore likely that neither ONOO(-) nor HOCl generated by transformation of superoxide anion radical (O2 (•-)) produced by PMNL is involved in their action. Reduction of the relaxant effect of nitric oxide derived from the endothelium by O2 (•-) seems to be the keystone mechanism in generation of PMNL-induced contraction.
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