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- Publisher Website: 10.1016/0306-3623(90)90594-C
- Scopus: eid_2-s2.0-0025021540
- PMID: 2105259
- WOS: WOS:A1990CJ60600009
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Article: Postmortem changes in endothelium-dependent and independent responses of porcine coronary arteries
Title | Postmortem changes in endothelium-dependent and independent responses of porcine coronary arteries |
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Authors | |
Issue Date | 1990 |
Publisher | Elsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/vph |
Citation | General Pharmacology, 1990, v. 21 n. 1, p. 49-52 How to Cite? |
Abstract | Studies were performed in porcine left circumflex coronary arteries to determine the time course of changes in their responses to smooth muscle and endothelial cell agonists following death. The pigs were kept at room temperature for 3, 6, 12 and 24 hr after death before removing the arteries, and the responses compared with fresh arteries. Rings of the arteries were mounted in organ chambers filled with modified Krebs-Ringer solution for isometric tension recording. Fresh rings with endothelium relaxed with stretching, whereas 3- and 6-hr rings developed an increase in tension and often rhythmic activity. In 3-hr rings, there were diminished contractile responses to KCl and serotonin. The contractile responses to prostaglandin F(2α) were depressed at 3 and 6 hr. At 6 hr, rings from six of 14 pigs failed to contract and the responses of the other eight to histamine and serotonin but not to KCl or acetylcholine, were depressed compared to fresh rings. 6hr after death endothelium-mediated relaxation to bradykinin and calcium ionophore A-23187 were depressed while endothelium-mediated as well as direct smooth muscle relaxation by adenosine diphosphate did not change. These studies indicate that caution must be observed in interpreting the findings in autopsy specimens examined as early as 3 hr after death. |
Persistent Identifier | http://hdl.handle.net/10722/170972 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Vedernikov, YP | en_US |
dc.contributor.author | Aarhus, L | en_US |
dc.contributor.author | Shepherd, JT | en_US |
dc.contributor.author | Vanhoutte, PM | en_US |
dc.date.accessioned | 2012-10-30T06:11:40Z | - |
dc.date.available | 2012-10-30T06:11:40Z | - |
dc.date.issued | 1990 | en_US |
dc.identifier.citation | General Pharmacology, 1990, v. 21 n. 1, p. 49-52 | en_US |
dc.identifier.issn | 0306-3623 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/170972 | - |
dc.description.abstract | Studies were performed in porcine left circumflex coronary arteries to determine the time course of changes in their responses to smooth muscle and endothelial cell agonists following death. The pigs were kept at room temperature for 3, 6, 12 and 24 hr after death before removing the arteries, and the responses compared with fresh arteries. Rings of the arteries were mounted in organ chambers filled with modified Krebs-Ringer solution for isometric tension recording. Fresh rings with endothelium relaxed with stretching, whereas 3- and 6-hr rings developed an increase in tension and often rhythmic activity. In 3-hr rings, there were diminished contractile responses to KCl and serotonin. The contractile responses to prostaglandin F(2α) were depressed at 3 and 6 hr. At 6 hr, rings from six of 14 pigs failed to contract and the responses of the other eight to histamine and serotonin but not to KCl or acetylcholine, were depressed compared to fresh rings. 6hr after death endothelium-mediated relaxation to bradykinin and calcium ionophore A-23187 were depressed while endothelium-mediated as well as direct smooth muscle relaxation by adenosine diphosphate did not change. These studies indicate that caution must be observed in interpreting the findings in autopsy specimens examined as early as 3 hr after death. | en_US |
dc.language | eng | en_US |
dc.publisher | Elsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/vph | en_US |
dc.relation.ispartof | General Pharmacology | en_US |
dc.subject.mesh | Acetylcholine - Pharmacology | en_US |
dc.subject.mesh | Adenosine Diphosphate - Pharmacology | en_US |
dc.subject.mesh | Animals | en_US |
dc.subject.mesh | Bradykinin - Pharmacology | en_US |
dc.subject.mesh | Calcimycin - Pharmacology | en_US |
dc.subject.mesh | Coronary Vessels - Physiology | en_US |
dc.subject.mesh | Endothelium, Vascular - Physiology | en_US |
dc.subject.mesh | Female | en_US |
dc.subject.mesh | Histamine - Pharmacology | en_US |
dc.subject.mesh | Muscle Contraction - Drug Effects | en_US |
dc.subject.mesh | Muscle Relaxation - Drug Effects | en_US |
dc.subject.mesh | Muscle, Smooth, Vascular - Physiology | en_US |
dc.subject.mesh | Postmortem Changes | en_US |
dc.subject.mesh | Serotonin - Pharmacology | en_US |
dc.subject.mesh | Swine | en_US |
dc.title | Postmortem changes in endothelium-dependent and independent responses of porcine coronary arteries | en_US |
dc.type | Article | en_US |
dc.identifier.email | Vanhoutte, PM:vanhoutt@hku.hk | en_US |
dc.identifier.authority | Vanhoutte, PM=rp00238 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1016/0306-3623(90)90594-C | en_US |
dc.identifier.pmid | 2105259 | - |
dc.identifier.scopus | eid_2-s2.0-0025021540 | en_US |
dc.identifier.volume | 21 | en_US |
dc.identifier.issue | 1 | en_US |
dc.identifier.spage | 49 | en_US |
dc.identifier.epage | 52 | en_US |
dc.identifier.isi | WOS:A1990CJ60600009 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Vedernikov, YP=35461855900 | en_US |
dc.identifier.scopusauthorid | Aarhus, L=7003305335 | en_US |
dc.identifier.scopusauthorid | Shepherd, JT=7401742522 | en_US |
dc.identifier.scopusauthorid | Vanhoutte, PM=7202304247 | en_US |
dc.identifier.issnl | 0306-3623 | - |