Abstract:
:The release of PGI2-like activity into the circulation in response to cholinergic agonists and modification of this response by beta-adrenergic antagonists was investigated in anaesthetized cats and healthy humans. Antiaggregatory activity in the arterial blood was continuously assayed by measuring platelet aggregation on blood superfused collagen strip. In some of the human experiments, after the administration of the drugs, the conversion of [14C]-arachidonate to [14C]-prostaglandins in the pulmonary vascular bed was studied. Cholinergic agonists stimulated the release of PGI2-like activity into the circulation, which effect was potentiated in cats by beta-adrenergic antagonists. In humans the latter agents did not stimulate the conversion of [14C]-arachidonate to prostaglandins in the pulmonary circulation and, moreover, inhibited the stimulatory cholinergic effect. The results suggest that an interplay between cholinergic and beta-adrenergic mediators may be involved, although in a different way in cats and in humans, in the release of PGI2-like activity into the systemic circulation.
journal_name
Eur J Clin Investjournal_title
European journal of clinical investigationauthors
Swies J,Radomski M,Dembińska-Kieć A,Korbut R,Gryglewski RJ,Brandt R,Nowak Jdoi
10.1111/j.1365-2362.1985.tb00279.xsubject
Has Abstractpub_date
1985-12-01 00:00:00pages
320-6issue
6eissn
0014-2972issn
1365-2362journal_volume
15pub_type
临床试验,杂志文章abstract:BACKGROUND:In inflammatory bowel diseases, changes in autonomic enteric regulation may also affect neural cardiovascular control. However, while cardiac autonomic modulation has been shown to be impaired in active ulcerative colitis, the occurrence of cardiovascular autonomic alterations, also in the quiescent phase of...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1985-02-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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更新日期:2007-06-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
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