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Indian J Physiol Pharmacol ; 2004 Oct; 48(4): 471-5
Article Dans Anglais | IMSEAR | ID: sea-108656

Résumé

Injection of chemicals into the brain has been considered as an important technique to study various functions of the brain. In these studies, as a rule, only one bilateral injection is given in one animal. This study was undertaken to evaluate the quality of the body temperature data obtained after first and second injections of methoxamine and artificial cerebrospinal fluid into the medial preoptic area. Though there was quantitative decrease in the effects produced after the second injection of the drug, there was no significant change in the effects produced by the second injections of artificial cerebrospinal fluid, which was used as a vehicle. Results of this study support the earlier recommendation to perform only one injection in any of the brain sites for evaluating the effect of any drug. But the vehicle can be administered as a second injection, without compromising on the quality of data.


Sujets)
Animaux , Température du corps/effets des médicaments et des substances chimiques , Liquide cérébrospinal/physiologie , Mâle , Méthoxamine/administration et posologie , Microinjections , Aire préoptique/effets des médicaments et des substances chimiques , Rats , Rat Wistar , Véhicules pharmaceutiques
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