ArticleBritish journal of pharmacology1996
Effect of cold storage in University of Wisconsin solution on the responses of porcine hepatic arteries to 5-hydroxytryptamine and bradykinin in vitro.
Article in British journal of pharmacology, 1996. 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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3 authors at 2 institutions in 1 country.
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Abstract
1. Responses to 5-hydroxytryptamine (5-HT), bradykinin and sodium nitroprusside (SNP) were examined in hepatic arteries of the pig 1 h after dissection (fresh) and following 24 h storage in either Ca(2+)-free Krebs solution or the cryopreservative University of Wisconsin (UW) solution. 2. In fresh arteries contracted to approximately 40% of the maximum response to potassium with U46619, a thromboxane A2-mimetic, concentration-response curves to 5-HT (10(-10)-10(-5) M) were biphasic, with relaxation at low concentrations (< 10(-8) M) and contraction at high concentrations. Bradykinin (10(-10)-10(-7) M) produced concentration-dependent relaxation of precontracted fresh arteries with no apparent constrictor response. 3. Following 24 h storage in Ca(2+)-free Krebs solution, relaxation responses to 5-HT and the sensitivity of the arteries to bradykinin were significantly reduced. Storage in UW solution did not affect relaxation responses to either 5-HT or bradykinin. Relaxation responses to SNP (10(-8)-10(-3) M) were unaffected by storage in either solution. 4. Treatment of fresh arteries with NG-nitro-L-arginine (L-NOARG, 10(-4) M) significantly attenuated the relaxation response to 5-HT and displaced the bradykinin concentration-response curve four fold to the right with no affect on its maximum relaxation. 5. From these results it is concluded that endothelial cell function is better preserved during cold storage in UW solution than in Ca(2+)-free Krebs solution.
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