SR 48692, a non-peptide neurotensin receptor antagonist, blocks the cardiovascular effects elicited by neurotensin in guinea pigs. 1994

D Nisato, and P Guiraudou, and G Barthélémy, and D Gully, and G Le Fur
Sanofi Recherche, Montpellier, France.

In guinea pigs anaesthetized with sodium pentobarbital, SR 48692, a non peptide neurotensin receptor antagonist blunted the blood pressure increase induced by exogenous neurotensin in a dose dependent manner. Furthermore, in isolated spontaneously beating guinea pig atria, both the tachycardia and inotropic responses induced by neurotensin were potently antagonized. SR 48692 did not show any intrinsic effect in vivo or in vitro.

UI MeSH Term Description Entries
D008297 Male Males
D009119 Muscle Contraction A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments. Inotropism,Muscular Contraction,Contraction, Muscle,Contraction, Muscular,Contractions, Muscle,Contractions, Muscular,Inotropisms,Muscle Contractions,Muscular Contractions
D009496 Neurotensin A biologically active tridecapeptide isolated from the hypothalamus. It has been shown to induce hypotension in the rat, to stimulate contraction of guinea pig ileum and rat uterus, and to cause relaxation of rat duodenum. There is also evidence that it acts as both a peripheral and a central nervous system neurotransmitter.
D011720 Pyrazoles Azoles of two nitrogens at the 1,2 positions, next to each other, in contrast with IMIDAZOLES in which they are at the 1,3 positions.
D011804 Quinolines
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D002319 Cardiovascular System The HEART and the BLOOD VESSELS by which BLOOD is pumped and circulated through the body. Circulatory System,Cardiovascular Systems,Circulatory Systems
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D006168 Guinea Pigs A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research. Cavia,Cavia porcellus,Guinea Pig,Pig, Guinea,Pigs, Guinea
D006325 Heart Atria The chambers of the heart, to which the BLOOD returns from the circulation. Heart Atrium,Left Atrium,Right Atrium,Atria, Heart,Atrium, Heart,Atrium, Left,Atrium, Right

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