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Chan A, Li S, Lee AR, Leung J, Yip A, Bird J, Godden KE, Martinez-Gonzalez D, Rattenborg NC, Balaban E, Pompeiano M. Activation of state-regulating neurochemical systems in newborn and embryonic chicks. Neuroscience 2016; 339:219-234. [DOI: 10.1016/j.neuroscience.2016.09.048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 09/14/2016] [Accepted: 09/28/2016] [Indexed: 12/22/2022]
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Nishimura Y, Okabe S, Sasagawa S, Murakami S, Ashikawa Y, Yuge M, Kawaguchi K, Kawase R, Tanaka T. Pharmacological profiling of zebrafish behavior using chemical and genetic classification of sleep-wake modifiers. Front Pharmacol 2015; 6:257. [PMID: 26578964 PMCID: PMC4630575 DOI: 10.3389/fphar.2015.00257] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 10/19/2015] [Indexed: 01/05/2023] Open
Abstract
Sleep-wake states are impaired in various neurological disorders. Impairment of sleep-wake states can be an early condition that exacerbates these disorders. Therefore, treating sleep-wake dysfunction may prevent or slow the development of these diseases. Although many gene products are likely to be involved in the sleep-wake disturbance, hypnotics and psychostimulants clinically used are limited in terms of their mode of action and are not without side effects. Therefore, there is a growing demand for developing new hypnotics and psychostimulants with high efficacy and few side effects. Toward this end, animal models are indispensable for use in genetic and chemical screens to identify sleep-wake modifiers. As a proof-of-concept study, we performed behavioral profiling of zebrafish treated with chemical and genetic sleep-wake modifiers. We were able to demonstrate that behavioral profiling of zebrafish treated with hypnotics or psychostimulants from 9 to 10 days post-fertilization was sufficient to identify drugs with specific modes of action. We were also able to identify behavioral endpoints distinguishing GABA-A modulators and hypocretin (hcrt) receptor antagonists and between sympathomimetic and non-sympathomimetic psychostimulants. This behavioral profiling can serve to identify genes related to sleep-wake disturbance associated with various neuropsychiatric diseases and novel therapeutic compounds for insomnia and excessive daytime sleep with fewer adverse side effects.
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Affiliation(s)
- Yuhei Nishimura
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine Tsu, Japan ; Mie University Medical Zebrafish Research Center Tsu, Japan ; Department of Systems Pharmacology, Mie University Graduate School of Medicine Tsu, Japan ; Department of Omics Medicine, Mie University Industrial Technology Innovation Institute Tsu, Japan ; Department of Bioinformatics, Mie University Life Science Research Center Tsu, Japan
| | - Shiko Okabe
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine Tsu, Japan
| | - Shota Sasagawa
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine Tsu, Japan
| | - Soichiro Murakami
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine Tsu, Japan
| | - Yoshifumi Ashikawa
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine Tsu, Japan
| | - Mizuki Yuge
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine Tsu, Japan
| | - Koki Kawaguchi
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine Tsu, Japan
| | - Reiko Kawase
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine Tsu, Japan
| | - Toshio Tanaka
- Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine Tsu, Japan ; Mie University Medical Zebrafish Research Center Tsu, Japan ; Department of Systems Pharmacology, Mie University Graduate School of Medicine Tsu, Japan ; Department of Omics Medicine, Mie University Industrial Technology Innovation Institute Tsu, Japan ; Department of Bioinformatics, Mie University Life Science Research Center Tsu, Japan
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Dos Santos TS, Krüger J, Melleu FF, Herold C, Zilles K, Poli A, Güntürkün O, Marino-Neto J. Distribution of serotonin 5-HT1A-binding sites in the brainstem and the hypothalamus, and their roles in 5-HT-induced sleep and ingestive behaviors in rock pigeons (Columba livia). Behav Brain Res 2015; 295:45-63. [PMID: 25843559 DOI: 10.1016/j.bbr.2015.03.059] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 02/20/2015] [Accepted: 03/26/2015] [Indexed: 02/06/2023]
Abstract
Serotonin 1A receptors (5-HT1ARs), which are widely distributed in the mammalian brain, participate in cognitive and emotional functions. In birds, 5-HT1ARs are expressed in prosencephalic areas involved in visual and cognitive functions. Diverse evidence supports 5-HT1AR-mediated 5-HT-induced ingestive and sleep behaviors in birds. Here, we describe the distribution of 5-HT1ARs in the hypothalamus and brainstem of birds, analyze their potential roles in sleep and ingestive behaviors, and attempt to determine the involvement of auto-/hetero-5-HT1ARs in these behaviors. In 6 pigeons, the anatomical distribution of [(3)H]8-OH-DPAT binding in the rostral brainstem and hypothalamus was examined. Ingestive/sleep behaviors were recorded (1h) in 16 pigeons pretreated with MM77 (a heterosynaptic 5-HT1AR antagonist; 23 or 69 nmol) for 20 min, followed by intracerebroventricular ICV injection of 5-HT (N:8; 150 nmol), 8-OH-DPAT (DPAT, a 5-HT1A,7R agonist, 30 nmol N:8) or vehicle. 5-HT- and DPAT-induced sleep and ingestive behaviors, brainstem 5-HT neuronal density and brain 5-HT content were examined in 12 pigeons, pretreated by ICV with the 5-HT neurotoxin 5,7-dihydroxytryptamine (5,7-DHT) or vehicle (N:6/group). The distribution of brainstem and diencephalic c-Fos immunoreactivity after ICV injection of 5-HT, DPAT or vehicle (N:5/group) into birds provided with or denied access to water is also described. 5-HT1ARs are concentrated in the brainstem 5-HTergic areas and throughout the periventricular hypothalamus, preoptic nuclei and circumventricular organs. 5-HT and DPAT produced a complex c-Fos expression pattern in the 5-HT1AR-enriched preoptic hypothalamus and the circumventricular organs, which are related to drinking and sleep regulation, but modestly affected c-Fos expression in 5-HTergic neurons. The 5-HT-induced ingestivebehaviors and the 5-HT- and DPAT-induced sleep behaviors were reduced by MM77 pretreatment. 5,7-DHT increased sleep per se, decreased tryptophan hydroxylase expression in the raphe nuclei and decreased prosencephalic 5-HT release but failed to affect 5-HT- or DPAT-induced drinking or sleep behavior. 5-HT- and DPAT-induced ingestive and sleep behaviors in pigeons appear to be mediated by heterosynaptic and/or non-somatodendritic presynaptic 5-HT1ARs localized to periventricular diencephalic circuits.
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Affiliation(s)
- Tiago Souza Dos Santos
- Department of Physiological Sciences, CCB, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil.
| | - Jéssica Krüger
- Department of Physiological Sciences, CCB, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil.
| | - Fernando Falkenburger Melleu
- Department of Physiological Sciences, CCB, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil.
| | - Christina Herold
- C & O. Vogt Institute for Brain Research, Heinrich Heine University, 40225 Düsseldorf, Germany.
| | - Karl Zilles
- Institute of Neuroscience and Medicine INM-1, Research Center Jülich, 52425 Jülich, Germany; Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany; JARA - Translational Brain Medicine, 52074 Aachen, Germany.
| | - Anicleto Poli
- Department of Pharmacology, CCB, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil.
| | - Onur Güntürkün
- Institute for Cognitive Neuroscience, Faculty of Psychology, Ruhr University Bochum, 44780 Bochum, Germany.
| | - José Marino-Neto
- Department of Physiological Sciences, CCB, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil; Institute of Biomedical Engineering, EEL-CTC, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil.
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Pérez MR, Pellegrini E, Cano-Nicolau J, Gueguen MM, Menouer-Le Guillou D, Merot Y, Vaillant C, Somoza GM, Kah O. Relationships between radial glial progenitors and 5-HT neurons in the paraventricular organ of adult zebrafish - potential effects of serotonin on adult neurogenesis. Eur J Neurosci 2013; 38:3292-301. [PMID: 23981075 DOI: 10.1111/ejn.12348] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Revised: 07/26/2013] [Accepted: 07/29/2013] [Indexed: 12/22/2022]
Abstract
In non-mammalian vertebrates, serotonin (5-HT)-producing neurons exist in the paraventricular organ (PVO), a diencephalic structure containing cerebrospinal fluid (CSF)-contacting neurons exhibiting 5-HT or dopamine (DA) immunoreactivity. Because the brain of the adult teleost is known for its neurogenic activity supported, for a large part, by radial glial progenitors, this study addresses the origin of newborn 5-HT neurons in the hypothalamus of adult zebrafish. In this species, the PVO exhibits numerous radial glial cells (RGCs) whose somata are located at a certain distance from the ventricle. To study relationships between RGCs and 5-HT CSF-contacting neurons, we performed 5-HT immunohistochemistry in transgenic tg(cyp19a1b-GFP) zebrafish in which RGCs are labelled with GFP under the control of the cyp19a1b promoter. We show that the somata of the 5-HT neurons are located closer to the ventricle than those of RGCs. RGCs extend towards the ventricle cytoplasmic processes that form a continuous barrier along the ventricular surface. In turn, 5-HT neurons contact the CSF via processes that cross this barrier through small pores. Further experiments using proliferating cell nuclear antigen or 5-bromo-2'-deoxyuridine indicate that RGCs proliferate and give birth to 5-HT neurons migrating centripetally instead of centrifugally as in other brain regions. Furthermore, treatment of adult zebrafish with tryptophan hydroxylase inhibitor causes a significant decrease in the number of proliferating cells in the PVO, but not in the mediobasal hypothalamus. These data point to the PVO as an intriguing region in which 5-HT appears to promote genesis of 5-HT neurons that accumulate along the brain ventricles and contact the CSF.
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Affiliation(s)
- María Rita Pérez
- Neuroendocrine Effects of Endocrine Disruptors, IRSET, Case 1302, INSERM U1085, Université de Rennes 1, Campus de Beaulieu, Rennes cedex, 35 042, France; Laboratorio de Ictiofisiología y Acuicultura, Instituto de Investigaciones Biotecnológicas-Instituto Tecnológico de Chascomús (IIB-INTECH. CONICET-UNSAM), Chascomús, Argentina
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