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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1993-1-14
pubmed:abstractText
We examined whether KRN2391, isosorbide dinitrate and nitroglycerin induced tolerance in coronary arteries. Intracoronary arterial administration of KRN2391 (1 microgram), isosorbide dinitrate (30 micrograms) or nitroglycerin (3 micrograms) produced equipotent coronary vasodilatation. Development of tolerance was determined by whether the increase in coronary blood flow, caused by intracoronary arterial administration of these drugs, was attenuated by intravenous infusion of KRN2391, isosorbide dinitrate or nitroglycerin. The increase in coronary blood flow, caused by intracoronary arterial administration of KRN2391 was not affected by intravenous infusion of KRN2391 (0.3 or 1 micrograms/kg/min), isosorbide dinitrate (30 or 100 micrograms/kg/min) or nitroglycerin (1 or 3 micrograms/kg/min). The increase in coronary blood flow, caused by intracoronary arterial administration of isosorbide dinitrate or nitroglycerin, was significantly diminished by intravenous infusion of isosorbide dinitrate and nitroglycerin, but was unaffected by intravenous infusion of KRN2391. The present results suggest that KRN2391 does not induce acute tolerance by itself or cross-tolerance between KRN2391 and other nitrates.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0301-4533
pubmed:author
pubmed:issnType
Print
pubmed:volume
318
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
21-35
pubmed:dateRevised
2010-11-18
pubmed:meshHeading
pubmed:articleTitle
Tolerance to the increase in coronary blood flow induced by KRN2391.
pubmed:affiliation
Pharmaceutical Research Laboratory, Kirin Brewery Co., Ltd., Gunma, Japan.
pubmed:publicationType
Journal Article