rdf:type |
|
lifeskim:mentions |
|
pubmed:issue |
3
|
pubmed:dateCreated |
1994-5-20
|
pubmed:abstractText |
In rabbit isolated renal artery preparations angiotensin II (1-100 nM) induced concentration-dependent vasoconstriction. Losartan at lower concentrations (3-100 nM) concentration dependently depressed the maximal responses to angiotensin II. At higher concentrations (0.3 and 1 microM) lasartan only shifted the concentration-response curves for angiotensin II to the right without further reducing the maximal responses. PD123177 (1 microM) did not influence angiotensin II-induced contractions. In rabbit renal artery, AT1 but not AT2 receptors appear to mediate the responses to angiotensin II. However, losartan antagonized the AT1 receptors in both an insurmountable and a surmountable manner, possibly involving two subpopulations of AT1 receptors.
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pubmed:language |
eng
|
pubmed:journal |
|
pubmed:citationSubset |
IM
|
pubmed:chemical |
|
pubmed:status |
MEDLINE
|
pubmed:month |
Feb
|
pubmed:issn |
0014-2999
|
pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:day |
11
|
pubmed:volume |
252
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
337-40
|
pubmed:dateRevised |
2010-11-18
|
pubmed:meshHeading |
pubmed-meshheading:8162955-Angiotensin II,
pubmed-meshheading:8162955-Angiotensin Receptor Antagonists,
pubmed-meshheading:8162955-Animals,
pubmed-meshheading:8162955-Biphenyl Compounds,
pubmed-meshheading:8162955-Dose-Response Relationship, Drug,
pubmed-meshheading:8162955-Imidazoles,
pubmed-meshheading:8162955-Losartan,
pubmed-meshheading:8162955-Muscle, Smooth, Vascular,
pubmed-meshheading:8162955-Muscle Contraction,
pubmed-meshheading:8162955-Pyridines,
pubmed-meshheading:8162955-Rabbits,
pubmed-meshheading:8162955-Renal Artery,
pubmed-meshheading:8162955-Tetrazoles,
pubmed-meshheading:8162955-Vasoconstriction
|
pubmed:year |
1994
|
pubmed:articleTitle |
A non-competitive type of angiotensin-receptor antagonism by losartan in renal artery preparations.
|
pubmed:affiliation |
Department of Pharmacotherapy, University of Amsterdam, Netherlands.
|
pubmed:publicationType |
Journal Article,
In Vitro
|