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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6
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pubmed:dateCreated |
1994-6-29
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pubmed:abstractText |
The objective of this investigation was to determine the effect of transforming growth factor beta 1 (TGF-beta 1) on endothelium-dependent relaxation in isolated epicardial coronary artery rings obtained from anesthetized dogs after multiple brief episodes of coronary artery occlusion and reperfusion in vivo. Dogs were subjected to four 5-minute periods of left anterior descending coronary artery occlusion interspersed with 5 minutes of reperfusion and followed by a final 1-hour period of reperfusion. Normal left circumflex coronary arteries were used as control samples. Repetitive ischemia and reperfusion significantly (p < 0.01) inhibited the relaxation response to acetylcholine in rings preconstricted with potassium. In an additional group of dogs subjected to the same protocol, 10 micrograms of human recombinant TGF-beta 1 was infused into the left anterior descending coronary artery distal to the site of occlusion via a diagonal branch at 0.3 ml/min immediately before and during the repetitive occlusions and reperfusions. TGF-beta 1 prevented impaired endothelium-dependent relaxation after multiple brief occlusions and reperfusions. These results demonstrate a protective role for TGF-beta 1 in the endothelial injury that occurs during repeated episodes of coronary artery occlusion and reperfusion.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
AIM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jun
|
pubmed:issn |
0002-8703
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pubmed:author | |
pubmed:issnType |
Print
|
pubmed:volume |
127
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pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
1456-61
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:8197968-Acetylcholine,
pubmed-meshheading:8197968-Animals,
pubmed-meshheading:8197968-Coronary Circulation,
pubmed-meshheading:8197968-Coronary Disease,
pubmed-meshheading:8197968-Coronary Vessels,
pubmed-meshheading:8197968-Dogs,
pubmed-meshheading:8197968-Dose-Response Relationship, Drug,
pubmed-meshheading:8197968-Endothelium, Vascular,
pubmed-meshheading:8197968-Female,
pubmed-meshheading:8197968-Male,
pubmed-meshheading:8197968-Myocardial Reperfusion,
pubmed-meshheading:8197968-Myocardial Stunning,
pubmed-meshheading:8197968-Recombinant Proteins,
pubmed-meshheading:8197968-Recurrence,
pubmed-meshheading:8197968-Time Factors,
pubmed-meshheading:8197968-Transforming Growth Factor beta
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pubmed:year |
1994
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pubmed:articleTitle |
Transforming growth factor beta 1 preserves endothelial function after multiple brief coronary artery occlusions and reperfusion.
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pubmed:affiliation |
Department of Medicine, Medical College of Wisconsin, Milwaukee 53226.
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pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.
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