IMIPRAMINE AND DESIPRAMINE DECREASE THE GABA-STIMULATED CHLORIDE UPTAKE, AND ANTIGABAERGIC AGENTS ENHANCE THEIR ACTION IN THE FORCED SWIMMING TEST IN RATS

被引:19
作者
FERNANDEZTERUEL, A
ESCORIHUELA, RM
BOIX, F
LONGONI, B
CORDA, MG
TOBENA, A
机构
[1] UNIV DUSSELDORF, INST PSYCHOL, INST PHYSIOL PSYCHOL, W-4000 DUSSELDORF 1, GERMANY
[2] UNIV CAGLIARI, CHAIR PHARMACOL, DEPT EXPTL BIOL, I-09100 CAGLIARI, ITALY
关键词
ANTIDEPRESSANTS; 36CL-UPTAKE; FORCED SWIMMING TEST; PICROTOXIN; PENTYLENETETRAZOL;
D O I
10.1159/000119442
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The present study reports that long-term (18 days) administration of imipramine (IMI, 20 mg/kg) or desipramine (DMI, 15 mg/kg) produced a significant decrease in the GABA-stimulated Cl-36-uptake into membrane vesicles from the cerebral cortex of rats (experiment 1). Experiments 2A, B and 3A, B show that anti-immobility effects of DMI and IMI (subacute treatment) in the forced swimming test are enhanced when a single subconvulsant injection of picrotoxin or pentylenetetrazol is administered to the animals concurrently to the last antidepressant injection. These results are discussed in relation with a current GABAergic hypothesis of depression and antidepressant drug action.
引用
收藏
页码:147 / 152
页数:6
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