CHRONIC IMIPRAMINE, L-SULPIRIDE AND MIANSERIN DECREASE CORTICOTROPIN-RELEASING FACTOR LEVELS IN THE RAT-BRAIN

被引:24
作者
FADDA, P
PANI, L
PORCELLA, A
FRATTA, W
机构
[1] UNIV CAGLIARI,NATL RES COUNCIL,BB BRODIE DEPT NEUROSCI,I-09124 CAGLIARI,ITALY
[2] UNIV CAGLIARI,NATL RES COUNCIL,CTR NEUROPHARMACOL,I-09124 CAGLIARI,ITALY
关键词
ANTIDEPRESSANT DRUGS; MIANSERIN; CORTICOTROPIN RELEASING FACTOR; DEPRESSION; HYPOTHALAMUS; RAT;
D O I
10.1016/0304-3940(95)11612-Z
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Among clinically effective antidepressant drugs, the action mechanism of mianserin has recently been related to variations in corticotropin releasing factor (CRF) levels in the rat locus coeruleus. We describe a specific effect on CRF levels after chronic treatment with different antidepressants: mianserin (10 mg/kg), imipramine (20 mg/kg), both for 21 days, or L-sulpiride (1 mg/kg) for 15 days. While all antidepressants used greatly decreased CRF concentrations in the hypothalamus, only mianserin decreased CRF concentrations by 40% in extrahypothalamic sites. Acute treatments failed to modify CRF levels. Chronic treatment with mianserin did not affect CRF density either in the hypothalamus or the extrahypothalamic areas. This new finding may add another facet to the therapeutic action of certain antidepressants and in particular to the atypical profile of mianserin.
引用
收藏
页码:121 / 123
页数:3
相关论文
共 25 条
  • [1] Bozarth, The mesolimbic dopamine system as a model reward system, The Mesolimbic Dopamine System: from Motivation to Action, pp. 301-330, (1991)
  • [2] Brady, Whitfield, Fox, Gold, Herkenham, Long antidepressant administration alters corticotropin-releasing hormone, tyrosine hydroxylase and mineralocorti coid receptor gene expression in rat brain, J. Clin. Invest., 87, pp. 831-837, (1991)
  • [3] Brady, Gold, Herkenham, Lynn, Whitfield, The antidepressant fluoxetine, idoxozan and phenelzine alter corticotropin-releasing hormone and tyrosine hydroxylase mRNA levels in rat brain: therapeutic implications, Brain Res., 572, pp. 117-125, (1992)
  • [4] Britton, Koob, Rivier, Vale, Intraventricular corticotropin-releasing factor enhances behavioral effects of novelty, Life Sci., 31, pp. 363-367, (1982)
  • [5] Brown, Fisher, Spien, Rivier, Rivier, Vale, Corticotropin releasing factor. Actions on the sympathetic nervous system and oxygen consumption, Life Sci., 30, pp. 207-210, (1982)
  • [6] Chappel, Smith, Kilts, Bissette, Ritchie, Anderson, Nemeroff, Alterations in corticotropinreleasing factor-like immunoreactivity in discrete rat brain regions after acute and chronic stress, J. Neurosci., 6, pp. 2908-2914, (1986)
  • [7] Curtis, Valentino, Acute and chronic effects of the atypical antidepressant mianserin, on brain noradrenergic neurons, Psychopharmacology, 103, pp. 330-338, (1991)
  • [8] De Souza, Corticotropin-releasing factor receptor in the rat central nervous system: characterization and regional distribution, J. Neurosci., 7, pp. 88-100, (1987)
  • [9] Fludder, Leonard, Chronic effects of mianserin on noradrenaline metabolism in the rat brain: evidence for a presynaptic alpha adrenolytic action in vivo, Psychopharmacology, 64, pp. 329-332, (1979)
  • [10] Gold, Godwin, Chrousos, Clinical and biochemical manifestation of depression: relation to the neurobiology of stress II, N. Engl. J. Med., 319, pp. 413-420, (1988)