K Addicks, S Arnhold, P Fasching, C Hoffmann, W Bloch
{"title":"Nitric oxide mediates microvascular permeability in the isolated perfused rat mesentery?","authors":"K Addicks, S Arnhold, P Fasching, C Hoffmann, W Bloch","doi":"10.1007/978-3-0348-7346-8_19","DOIUrl":null,"url":null,"abstract":"<p><p>The permeability influencing effect of nitric oxide was studied by means of an isolated perfused mesentery preparation in combination with a intravital/fluorescence microscopic set up. As a fluorescent marker served FITC-dextran mol wt 70,000 daltons. Tissue treatment was performed by application of NO-donors like SNP or GTN. Additionally the effects of bradykinin, L-nitroarginine or the combination of both were tested in regard to a permeability modulation. The results point out that NO-donors did not enhance microvascular permeability, whereas the permeability increasing effect of bradykinin is mediated by an NO-independent pathway.</p>","PeriodicalId":7491,"journal":{"name":"Agents and actions. Supplements","volume":"45 ","pages":"139-44"},"PeriodicalIF":0.0000,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Agents and actions. Supplements","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/978-3-0348-7346-8_19","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
The permeability influencing effect of nitric oxide was studied by means of an isolated perfused mesentery preparation in combination with a intravital/fluorescence microscopic set up. As a fluorescent marker served FITC-dextran mol wt 70,000 daltons. Tissue treatment was performed by application of NO-donors like SNP or GTN. Additionally the effects of bradykinin, L-nitroarginine or the combination of both were tested in regard to a permeability modulation. The results point out that NO-donors did not enhance microvascular permeability, whereas the permeability increasing effect of bradykinin is mediated by an NO-independent pathway.
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