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Delcourte S, Etievant A, Haddjeri N. Role of central serotonin and noradrenaline interactions in the antidepressants' action: Electrophysiological and neurochemical evidence. PROGRESS IN BRAIN RESEARCH 2021; 259:7-81. [PMID: 33541681 DOI: 10.1016/bs.pbr.2021.01.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The development of antidepressant drugs, in the last 6 decades, has been associated with theories based on a deficiency of serotonin (5-HT) and/or noradrenaline (NA) systems. Although the pathophysiology of major depression (MD) is not fully understood, numerous investigations have suggested that treatments with various classes of antidepressant drugs may lead to an enhanced 5-HT and/or adapted NA neurotransmissions. In this review, particular morpho-physiological aspects of these systems are first considered. Second, principal features of central 5-HT/NA interactions are examined. In this regard, the effects of the acute and sustained antidepressant administrations on these systems are discussed. Finally, future directions including novel therapeutic strategies are proposed.
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Affiliation(s)
- Sarah Delcourte
- Univ Lyon, Université Claude Bernard Lyon 1, Inserm, Stem Cell and Brain Research Institute U1208, Bron, France
| | - Adeline Etievant
- Integrative and Clinical Neurosciences EA481, University of Bourgogne Franche-Comté, Besançon, France
| | - Nasser Haddjeri
- Univ Lyon, Université Claude Bernard Lyon 1, Inserm, Stem Cell and Brain Research Institute U1208, Bron, France.
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Cui SY, Li SJ, Cui XY, Zhang XQ, Yu B, Huang YL, Cao Q, Xu YP, Yang G, Ding H, Song JZ, Ye H, Sheng ZF, Wang ZJ, Zhang YH. Ca(2+) in the dorsal raphe nucleus promotes wakefulness via endogenous sleep-wake regulating pathway in the rats. Mol Brain 2016; 9:71. [PMID: 27456222 PMCID: PMC4960696 DOI: 10.1186/s13041-016-0252-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 07/19/2016] [Indexed: 01/09/2023] Open
Abstract
Serotonergic neurons in the dorsal raphe nucleus (DRN) are involved in the control of sleep-wake states. Our previous studies have indicated that calcium (Ca(2+)) modulation in the DRN plays an important role in rapid-eye-movement sleep (REMS) and non-REMS (NREMS) regulation during pentobarbital hypnosis. The present study investigated the effects of Ca(2+) in the DRN on sleep-wake regulation and the related neuronal mechanism in freely moving rats. Our results showed that microinjection of CaCl2 (25 or 50 nmol) in the DRN promoted wakefulness and suppressed NREMS including slow wave sleep and REMS in freely moving rats. Application of CaCl2 (25 or 50 nmol) in the DRN significantly increased serotonin in the DRN and hypothalamus, and noradrenaline in the locus coeruleus and hypothalamus. Immunohistochemistry study indicated that application of CaCl2 (25 or 50 nmol) in the DRN significantly increased c-Fos expression ratio in wake-promoting neurons including serotonergic neurons in the DRN, noradrenergic neurons in the locus coeruleus, and orxinergic neurons in the perifornical nucleus, but decreased c-Fos expression ratio of GABAergic sleep-promoting neurons in the ventrolateral preoptic nucleus. These results suggest that Ca(2+) in the DRN exert arousal effects via up-regulating serotonergic functions in the endogenous sleep-wake regulating pathways.
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Affiliation(s)
- Su-Ying Cui
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Sheng-Jie Li
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Xiang-Yu Cui
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Xue-Qiong Zhang
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Bin Yu
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Yuan-Li Huang
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Qing Cao
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Ya-Ping Xu
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Guang Yang
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Hui Ding
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Jin-Zhi Song
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Hui Ye
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Zhao-Fu Sheng
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Zi-Jun Wang
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
| | - Yong-He Zhang
- Department of pharmacology, Peking University, School of Basic Medical Science, 38 Xueyuan Road, Beijing, 100191 China
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de Jong TR, Pattij T, Veening JG, Dederen PJWC, Waldinger MD, Cools AR, Olivier B. Effects of chronic paroxetine pretreatment on (+/-)-8-hydroxy-2-(di-n-propyl-amino)tetralin induced c-fos expression following sexual behavior. Neuroscience 2005; 134:1351-61. [PMID: 16019152 DOI: 10.1016/j.neuroscience.2005.05.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2005] [Revised: 05/04/2005] [Accepted: 05/06/2005] [Indexed: 11/20/2022]
Abstract
Chronic treatment with the selective serotonin reuptake inhibitor paroxetine impairs the functioning of 5-HT(1A) receptors involved in ejaculation. This could underlie the development of delayed ejaculation often reported by men treated with paroxetine. The neurobiological substrate linking the effects of selective serotonin reuptake inhibitor-treatment and 5-HT(1A) receptor activation with ejaculation was investigated. Male Wistar rats that were pretreated with paroxetine (20 mg/kg/day p.o.) or vehicle for 22 days and had received an additional injection with the 5-HT(1A) receptor agonist 8-OH-DPAT ((+/-)-8-hydroxy-2-(di-n-propyl-amino)tetralin; 0.4 mg/kg s.c.) or saline on day 22, 30 min prior to a sexual behavior test, were perfused 1 h after the sexual behavior test. Brains were processed for Fos-, and oxytocin immunohistochemistry. The drug treatments markedly changed both sexual behavior and the pattern and number of Fos-immunoreactive cells in the brain. Chronic pretreatment with paroxetine caused delayed ejaculation. Acute injection with 8-OH-DPAT facilitated ejaculation in vehicle-pretreated rats, notably evident in a strongly reduced intromission frequency, whereas 8-OH-DPAT had no effects in paroxetine-pretreated rats. Chronic treatment with paroxetine reduced Fos-immunoreactivity in the locus coeruleus, and prevented the increase in Fos-immunoreactive neurons induced by 8-OH-DPAT in the oxytocinergic magnocellular part of the paraventricular nucleus as well as in the locus coeruleus. Since oxytocin and noradrenalin facilitate ejaculation, the alterations in Fos-IR in these areas could connect selective serotonin reuptake inhibitor treatment and 5-HT(1A) receptor activation to ejaculation. Chronic paroxetine treatment and 8-OH-DPAT changed c-fos expression in a number of other brain areas, indicating that Fos-immunohistochemistry is a useful tool to find locations where selective serotonin reuptake inhibitors and 8-OH-DPAT exert their effects.
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Affiliation(s)
- T R de Jong
- Department of Anatomy, Radboud University Nijmegen Medical Centre, The Netherlands.
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Jin C, Araki H, Nagata M, Suemaru K, Shibata K, Kawasaki H, Hamamura T, Gomita Y. Withdrawal-induced c-Fos expression in the rat centromedial amygdala 24 h following a single morphine exposure. Psychopharmacology (Berl) 2004; 175:428-35. [PMID: 15175841 DOI: 10.1007/s00213-004-1844-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
RATIONALE An opiate antagonist was found to induce motivational withdrawal signs 24 h or even up to 48 h after a single dose of morphine in rats. OBJECTIVE The present study was undertaken to determine whether such a withdrawal state would modify the neuronal activity in the brain. METHODS A conditioned place aversion was established following a one-trial paradigm in rats undergoing a single exposure to morphine (10 mg/kg) 24 h prior to naloxone administration (0.5 mg/kg). Subsequently, the expression of the protein product of c-fos gene (c-Fos) following naloxone administration was measured within the extended amygdala. RESULTS A significant increase in c-Fos immunoreactivity was seen in the centromedial amygdala (CMA), but not in the bed nucleus of the stria terminalis (BST) and the shell (AcbSh) of the nucleus accumbens (Acb) in rats treated with both morphine and naloxone. Further examination of the distribution of c-Fos-positive neurons along the rostrocaudal axis within CMA showed that the positive neurons distributed throughout this brain area and the caudal level of its central division (the central nucleus of the amygdala, CeA) exhibited the most robust labeling. CONCLUSIONS Neuronal activity can be increased by naloxone at a dose that produces conditioned place aversion 24 h after a single morphine exposure. CMA, particularly the caudal level of its central division, was of high sensitivity. The current data also suggest a possible involvement of CMA in negative motivational component of precipitated withdrawal from acute morphine dependence.
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Affiliation(s)
- Chunyu Jin
- Department of Clinical Pharmaceutical Science, Graduate School of Natural Science and Technology, Okayama University, 1-1-1, Tsushima-naka, Okayama, 700-8530, Japan
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Miyata S, Hamamura T, Yoshinaga J, Nakamura Y, Imamura T, Hikiji A, Kuroda S. Amelioration of frozen gait by tandospirone, a serotonin 1A agonist, in a patient with pure akinesia developing resistance to L-threo-3,4-dihydroxyphenylserine. Clin Neuropharmacol 2001; 24:232-4. [PMID: 11479395 DOI: 10.1097/00002826-200107000-00007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
A 71-year-old woman presented with severe akinesia, frozen gait, and compromised postural reflexes, without rigidity, tremor, or vertical gaze disturbance. With a working diagnosis of pure akinesia, we administered amantadine (150 mg/d) and L-threo-3,4-dihydroxyphenylserine (DOPS) (600 mg/d), which alleviated her symptoms. When frozen gait recurred 2 months later, we increased the dose of L-threo-DOPS to 900 mg/d and added levodopa (300 mg/d) combined with carbidopa, but this failed to improve the patient's symptoms. We then combined administration of tandospirone, a serotonin (5-HT) 1A agonist with L-threo-DOPS (600 mg/d), resulting in marked clinical improvement. Tandospirone is reported to activate noradrenergic neurons via the 5-HT 1A receptor, which could account for such striking improvement in a patient previously responsive to the noradrenergic precursor L-threo-DOPS given alone.
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Affiliation(s)
- S Miyata
- Department of Neuropsychiatry, Okayama University Medical School, Okayama, Japan
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Vicentic A, Cabrera-Vera TM, Pinto W, Battaglia G. 5-HT(1A) and 5-HT(2A) serotonin receptor turnover in adult rat offspring prenatally exposed to cocaine. Brain Res 2000; 877:141-8. [PMID: 10986326 DOI: 10.1016/s0006-8993(00)02668-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This study investigated the effects of prenatal exposure to cocaine on the intracellular kinetics (i.e. rate constant of receptor production and degradation) that govern the maintenance and regulation of cortical 5-HT(1A) and 5-HT(2A) receptor densities in offspring. Adult male rat offspring, prenatally exposed to saline or (-) cocaine (15 mg/kg, s.c., b.i.d, from gestational day 13 through 20), were injected with either vehicle or the irreversible receptor antagonist, EEDQ (10 mg/kg, s.c.), and sacrificed at various post-injection times to monitor the recovery of receptor densities in cerebral cortex. In both saline and cocaine exposed offspring, initial EEDQ-induced reductions (>80%) in 5-HT(1A) and 5-HT(2A) receptor densities were followed by a time-dependent repopulation that reached steady state ([B(max)](ss)) densities comparable to non-EEDQ treated controls by day 10 post-treatment. Calculation of 5-HT(1A) receptor kinetic parameters indicated that prenatal exposure to cocaine did not significantly alter: (1) the receptor production rate (saline: 0.809 fmol/mg protein/h; cocaine: 0.724 fmol/mg protein/h), (2) the receptor degradation rate constant (saline: 0.0063 h(-1); cocaine: 0.0062 h(-1)) or (3) the half-life (t(1/2)) of receptor repopulation (saline: 109.2 h; cocaine: 111.5 h). Similarly, 5-HT(2A) receptor rate constants for production (1. 550 fmol/mg protein/h) and degradation (0.0061 h(-1)) and consequently, t(1/2) (113.2 h), were not significantly altered by prenatal exposure to cocaine. These data suggest that within homogenates of cerebral cortex, prenatal exposure to cocaine did not alter the overall intracellular processes that underlie receptor production or degradation and determine steady state densities of 5-HT(1A) or 5-HT(2A) receptors.
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Affiliation(s)
- A Vicentic
- Department of Pharmacology and Experimental Therapeutics, Loyola University Chicago, Stritch School of Medicine, 2160 South First Avenue, Maywood, IL 60153, USA
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Lejeune F, Millan MJ. Pindolol excites dopaminergic and adrenergic neurons, and inhibits serotonergic neurons, by activation of 5-HT1A receptors. Eur J Neurosci 2000; 12:3265-75. [PMID: 10998110 DOI: 10.1046/j.1460-9568.2000.00222.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Pindolol accelerates the clinical actions of selective serotonin reuptake inhibitors (SSRIs) in man, and modulates extracellular levels of monoamines in corticolimbic structures in rats. Herein, we examined its influence upon electrical activity of serotonergic, dopaminergic and adrenergic perikarya in the dorsal raphe nucleus (DRN), ventral tegmental area (VTA) and locus coeruleus (LC) of anaesthetized rats. In analogy to the serotonin1A (5-HT1A) agonist, 8-OH-DPAT (-100%), pindolol dose-dependently (0.063- 1.0 mg/kg) decreased (-70%) the firing rate of serotonergic neurons. The inhibitory action of pindolol was abolished by the selective 5-HT1A antagonist, WAY-100,635 (0.031 mg/kg). In contrast, 8-OH-DPAT (+26%) and pindolol (0.25-4.0 mg/kg, +60%) dose-dependently increased the firing rate of dopaminergic cells. Of 57 neurons recorded (pindolol, 2.0 mg/kg), 36 (63%) were excited, 11 (19%) were unaffected and 10 (18%) were inhibited. This variable influence could be attributed to regularly firing neurons in the parabrachial subdivision, inasmuch as all neurons in the paranigral subnucleus were excited. The facilitation of firing by pindolol was accompanied by an increase in burst firing throughout the VTA. Both the increases in burst firing and in firing rate were reversed by WAY-100,635 (0.031 mg/kg). Finally, the electrical activity of adrenergic neurons was dose-dependently enhanced by 8-OH-DPAT and pindolol (+99% and +83%, respectively). WAY-100,635 reversed this excitation and, itself, inhibited the activity of adrenergic neurons. In conclusion, via engagement of 5-HT1A receptors, pindolol inhibits serotonergic, and activates dopaminergic and adrenergic, neurons in anaesthetized rats. Such actions may contribute to its influence upon mood, both alone and in association with antidepressant agents.
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Affiliation(s)
- F Lejeune
- Institut de Recherches Servier, Centre de Recherches de Croissy, Department of Psychopharmacology, 125 Chemin de Ronde, 78290 Croissy-sur-Seine, Paris, France
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Hatanaka K, Yatsugi S, Yamaguchi T. Effect of acute treatment with YM992 on extracellular norepinephrine levels in the rat frontal cortex. Eur J Pharmacol 2000; 395:31-6. [PMID: 10781670 DOI: 10.1016/s0014-2999(00)00173-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The effects of acute treatment with (S)-2-[[(7-fluoroindan-4-yl)oxy]methyl]morpholine monohydrochloride (YM992), venlafaxine, fluoxetine and citalopram on extracellular norepinephrine levels were examined in the rat frontal cortex by in vivo microdialysis. YM992 (3, 10, 30 mg/kg, i.p.) dose-dependently increased extracellular norepinephrine levels (3-fold at 10 mg/kg, 5. 5-fold at 30 mg/kg). While venlafaxine and 30 mg/kg fluoxetine also produced significant increases in norepinephrine levels, 30 mg/kg citalopram had no effect. The combined administration of MDL100,907 (a selective 5-HT(2A) receptor antagonist) and citalopram did significantly increase norepinephrine levels compared with either saline or citalopram treatment. Therefore, a synergistic effect due to 5-HT reuptake inhibition and 5-HT(2A) receptor antagonism of YM992 may partly contribute to the increase of extracellular norepinephrine levels. YM992 enhances the neurotransmission of not only 5-HT system but also norepinephrine, and as such may have a preclinical profile different from that of a selective serotonin reuptake inhibitor.
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Affiliation(s)
- K Hatanaka
- Neuroscience Research, Pharmacology Laboratories, Institute for Drug Discovery Research, Yamanouchi Pharmaceutical Co. Ltd., 21 Miyukigaoka, Tsukuba, Ibaraki, Japan.
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Hamamura T, Lee Y, Ohashi K, Fujiwara Y, Miki M, Suzuki H, Kuroda S. A low dose of lithium chloride selectively induces Fos protein in the central nucleus of the amygdala of rat brain. Prog Neuropsychopharmacol Biol Psychiatry 2000; 24:285-94. [PMID: 10800751 DOI: 10.1016/s0278-5846(99)00092-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
1. Lithium is a very effective treatment for mood disorders. To elucidate the neural substrates of the mood stabilizing actions of lithium, in the present study the authors investigated the effects of a low dose of lithium on regional expression of Fos protein. 2. The administrations of a high dose of lithium chloride (100 mg/kg) induced Fos in widespread areas of the rat brain. In contrast, administration of a low dose of lithium chloride, equivalent to a therapeutic dose in humans, induced Fos only in the central nucleus of the amygdala. 3. These results demonstrate that the central nucleus of the amygdala plays important role in the neural framework that is responsible for the mood-stabilizing effect of lithium.
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Affiliation(s)
- T Hamamura
- Department of Neuropsychiatry, Okayama University Medical School, Japan.
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Hajós-Korcsok E, Sharp T. Effect of 5-HT(1A) receptor ligands on Fos-like immunoreactivity in rat brain: evidence for activation of noradrenergic transmission. Synapse 1999; 34:145-53. [PMID: 10502313 DOI: 10.1002/(sici)1098-2396(199911)34:2<145::aid-syn7>3.0.co;2-d] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This study investigated the effects of 8-OH-DPAT and various other 5-HT(1A) receptor agonists on brain noradrenergic transmission using Fos-like immunoreactivity (Fos-LI) as a marker of neural activation. Administration of 8-OH-DPAT (0.1 and 1 mg/kg) induced a marked and dose-related increase in the number of cells positive for Fos-LI in the locus coeruleus (LC), the main source of noradrenergic projections to the forebrain. This effect was also induced by the non-selective, partial 5-HT(1A) receptor agonist buspirone (10 mg/kg). The effect of both 8-OH-DPAT (0.1 mg/kg) and buspirone (10 mg/kg) on Fos-LI in the LC was blocked by pretreatment with the selective 5-HT(1A) receptor antagonist WAY 100635 (1 mg/kg). The active S(-)-enantiomer of the partial 5-HT(1A) receptor agonist (+/-)-MDL 75005EF (1 mg/kg) also induced the expression of Fos-LI in the LC, whereas the inactive R(+)-enantiomer of (+/-)-MDL 73005EF at the same dose did not. In addition to the LC, 8-OH-DPAT (0.1 mg/kg) also induced a marked increase in Fos-LI in various forebrain areas including the medial prefrontal cortex (infralimbic and cingulate cortical areas). More detailed analysis of the Fos response to 8-OH-DPAT in the medial prefrontal cortex revealed that the effect was attenuated by pretreatment with a combination of the beta(1)- and beta(2)-adrenoceptor antagonists ICI 118551 (4 mg/kg) and metoprolol (4 mg/kg), but not the alpha(1)-adrenoceptor antagonist prazosin (5 mg/kg). Taken together, the present findings provide immunocytochemical evidence that 5-HT(1A) receptor agonists activate noradrenergic neurones in the LC and that this leads to increased noradrenergic transmission at postsynaptic sites in the forebrain (specifically medial prefrontal cortex).
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Affiliation(s)
- E Hajós-Korcsok
- University Department of Clinical Pharmacology, Radcliffe Infirmary, Oxford, UK
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