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Borgonovo J, Ahumada-Galleguillos P, Oñate-Ponce A, Allende-Castro C, Henny P, Concha ML. Organization of the Catecholaminergic System in the Short-Lived Fish Nothobranchius furzeri. Front Neuroanat 2021; 15:728720. [PMID: 34588961 PMCID: PMC8473916 DOI: 10.3389/fnana.2021.728720] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 08/13/2021] [Indexed: 12/02/2022] Open
Abstract
The catecholaminergic system has received much attention based on its regulatory role in a wide range of brain functions and its relevance in aging and neurodegenerative diseases. In the present study, we analyzed the neuroanatomical distribution of catecholaminergic neurons based on tyrosine hydroxylase (TH) immunoreactivity in the brain of adult Nothobranchius furzeri. In the telencephalon, numerous TH+ neurons were observed in the olfactory bulbs and the ventral telencephalic area, arranged as strips extending through the rostrocaudal axis. We found the largest TH+ groups in the diencephalon at the preoptic region level, the ventral thalamus, the pretectal region, the posterior tuberculum, and the caudal hypothalamus. In the dorsal mesencephalic tegmentum, we identified a particular catecholaminergic group. The rostral rhombencephalon housed TH+ cells in the locus coeruleus and the medulla oblongata, distributing in a region dorsal to the inferior reticular formation, the vagal lobe, and the area postrema. Finally, scattered TH+ neurons were present in the ventral spinal cord and the retina. From a comparative perspective, the overall organization of catecholaminergic neurons is consistent with the general pattern reported for other teleosts. However, N. furzeri shows some particular features, including the presence of catecholaminergic cells in the midbrain. This work provides a detailed neuroanatomical map of the catecholaminergic system of N. furzeri, a powerful aging model, also contributing to the phylogenetic understanding of one of the most ancient neurochemical systems.
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Affiliation(s)
- Janina Borgonovo
- Laboratory of Experimental Ontogeny, Faculty of Medicine, Institute of Biomedical Sciences, Universidad de Chile, Santiago, Chile.,Biomedical Neuroscience Institute, Santiago, Chile.,Center for Geroscience, Brain Health and Metabolism, Santiago, Chile
| | - Patricio Ahumada-Galleguillos
- Laboratory of Experimental Ontogeny, Faculty of Medicine, Institute of Biomedical Sciences, Universidad de Chile, Santiago, Chile.,Biomedical Neuroscience Institute, Santiago, Chile
| | - Alejandro Oñate-Ponce
- Laboratory of Experimental Ontogeny, Faculty of Medicine, Institute of Biomedical Sciences, Universidad de Chile, Santiago, Chile.,Biomedical Neuroscience Institute, Santiago, Chile.,Center for Geroscience, Brain Health and Metabolism, Santiago, Chile
| | - Camilo Allende-Castro
- Laboratory of Experimental Ontogeny, Faculty of Medicine, Institute of Biomedical Sciences, Universidad de Chile, Santiago, Chile.,Biomedical Neuroscience Institute, Santiago, Chile.,Center for Geroscience, Brain Health and Metabolism, Santiago, Chile
| | - Pablo Henny
- Department of Anatomy and Interdisciplinary Center of Neurosciences, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Miguel L Concha
- Laboratory of Experimental Ontogeny, Faculty of Medicine, Institute of Biomedical Sciences, Universidad de Chile, Santiago, Chile.,Biomedical Neuroscience Institute, Santiago, Chile.,Center for Geroscience, Brain Health and Metabolism, Santiago, Chile
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Macedo-Lima M, Remage-Healey L. Dopamine Modulation of Motor and Sensory Cortical Plasticity among Vertebrates. Integr Comp Biol 2021; 61:316-336. [PMID: 33822047 PMCID: PMC8600016 DOI: 10.1093/icb/icab019] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Goal-directed learning is a key contributor to evolutionary fitness in animals. The neural mechanisms that mediate learning often involve the neuromodulator dopamine. In higher order cortical regions, most of what is known about dopamine's role is derived from brain regions involved in motivation and decision-making, while significantly less is known about dopamine's potential role in motor and/or sensory brain regions to guide performance. Research on rodents and primates represents over 95% of publications in the field, while little beyond basic anatomy is known in other vertebrate groups. This significantly limits our general understanding of how dopamine signaling systems have evolved as organisms adapt to their environments. This review takes a pan-vertebrate view of the literature on the role of dopamine in motor/sensory cortical regions, highlighting, when available, research on non-mammalian vertebrates. We provide a broad perspective on dopamine function and emphasize that dopamine-induced plasticity mechanisms are widespread across all cortical systems and associated with motor and sensory adaptations. The available evidence illustrates that there is a strong anatomical basis-dopamine fibers and receptor distributions-to hypothesize that pallial dopamine effects are widespread among vertebrates. Continued research progress in non-mammalian species will be crucial to further our understanding of how the dopamine system evolved to shape the diverse array of brain structures and behaviors among the vertebrate lineage.
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Affiliation(s)
- Matheus Macedo-Lima
- Neuroscience and Behavior Program, Center for Neuroendocrine Studies, University of Massachusetts Amherst, Amherst, MA 01003, USA
- CAPES Foundation, Ministry of Education of Brazil, 70040-031 Brasília, Brazil
| | - Luke Remage-Healey
- Neuroscience and Behavior Program, Center for Neuroendocrine Studies, University of Massachusetts Amherst, Amherst, MA 01003, USA
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Mazurais D, Servili A, Le Bayon N, Gislard S, Madec L, Zambonino-Infante JL. Long-term exposure to near-future ocean acidification does not affect the expression of neurogenesis- and synaptic transmission-related genes in the olfactory bulb of European sea bass (Dicentrarchus labrax). J Comp Physiol B 2020; 190:161-167. [DOI: 10.1007/s00360-019-01256-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 11/13/2019] [Accepted: 12/23/2019] [Indexed: 01/04/2023]
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Lozano D, Morona R, González A, López JM. Comparative Analysis of the Organization of the Catecholaminergic Systems in the Brain of Holostean Fishes (Actinopterygii/Neopterygii). BRAIN, BEHAVIOR AND EVOLUTION 2019; 93:206-235. [PMID: 31711060 DOI: 10.1159/000503769] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 09/29/2019] [Indexed: 11/19/2022]
Abstract
Living holosteans, comprising 8 species of bowfins and gars, form a small monophyletic group of actinopterygian fishes, which are currently considered as the sister group to the enormously numerous teleosts and have largely been neglected in neuroanatomical studies. We have studied the catecholaminergic (CAergic) systems by means of antibodies against tyrosine hydroxylase (TH) and dopamine (DA) in the brain of representative species of the 3 genera included in the 2 orders of holostean fishes: Amia calva (Amiiformes) and Lepisosteus platyrhincus, Lepisosteus oculatus, and Atractosteus spatula (Lepisosteiformes). Different groups of TH/DA-immunoreactive (ir) cells were observed in the olfactory bulb, subpallium, and preoptic area of the telencephalon. Hypothalamic groups were labeled in the suprachiasmatic nucleus, tuberal (only in A. calva), retrotuberal, and retromamillary areas; specifically, the paraventricular organ showed only DA immunoreactivity. In the diencephalon, TH/DA-ir groups were detected in the prethalamus, posterior tubercle, and pretectum. In the caudal hindbrain, the solitary tract nucleus and area postrema presented TH/DA-ir cell groups, and also the spinal cord and the retina. Only in A. calva, particular CAergic cell groups were observed in the habenula, the mesencephalic tegmentum, and in the locus coeruleus. Following a neuromeric analysis, the comparison of these results with those obtained in other classes of fishes and tetrapods shows many common traits of CAergic systems shared by most vertebrates and in addition highlights unique features of actinopterygian fishes.
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Affiliation(s)
- Daniel Lozano
- Department of Cell Biology, Faculty of Biology, University Complutense, Madrid, Spain
| | - Ruth Morona
- Department of Cell Biology, Faculty of Biology, University Complutense, Madrid, Spain
| | - Agustín González
- Department of Cell Biology, Faculty of Biology, University Complutense, Madrid, Spain
| | - Jesús M López
- Department of Cell Biology, Faculty of Biology, University Complutense, Madrid, Spain,
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Perelmuter JT, Wilson AB, Sisneros JA, Forlano PM. Forebrain Dopamine System Regulates Inner Ear Auditory Sensitivity to Socially Relevant Acoustic Signals. Curr Biol 2019; 29:2190-2198.e3. [PMID: 31204161 DOI: 10.1016/j.cub.2019.05.055] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 04/13/2019] [Accepted: 05/20/2019] [Indexed: 01/11/2023]
Abstract
Dopamine is integral to attentional and motivational processes, but studies are largely restricted to the central nervous system. In mammals [1, 2] and fishes [3, 4], central dopaminergic neurons project to the inner ear and could modulate acoustic signals at the earliest stages of processing. Studies in rodents show dopamine inhibits cochlear afferent neurons and protects against noise-induced acoustic injury [5-10]. However, other functions for inner ear dopamine have not been investigated, and the effect of dopamine on peripheral auditory processing in non-mammalians remains unknown [11, 12]. Insights could be gained by studies conducted in the context of intraspecific acoustic communication. We present evidence from a vocal fish linking reproductive-state-dependent changes in auditory sensitivity with seasonal changes in the dopaminergic efferent system in the saccule, their primary organ of hearing. Plainfin midshipman (Porichthys notatus) migrate from deep-water winter habitats to the intertidal zone in the summer to breed. Nesting males produce nocturnal vocalizations to attract females [13]. Both sexes undergo seasonal enhancement of hearing sensitivity at the level of the hair cell [14-16], increasing the likelihood of detecting conspecific signals [17, 18]. Importantly, reproductive females concurrently have reduced dopaminergic input to the saccule [19]. Here, we show that dopamine decreases saccule auditory sensitivity via a D2-like receptor. Saccule D2a receptor expression is reduced in the summer and correlates with sensitivity within and across seasons. We propose that reproductive-state-dependent changes to the dopaminergic efferent system provide a release of inhibition in the saccule, enhancing peripheral encoding of social-acoustic signals.
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Affiliation(s)
- Jonathan T Perelmuter
- Psychology Subprogram in Behavioral & Cognitive Neuroscience, The Graduate Center, City University of New York, 365 5(th) Avenue, New York, NY 10016, USA; Biology Department, Brooklyn College, City University of New York, 2900 Bedford Avenue, Brooklyn, NY 11210, USA.
| | - Anthony B Wilson
- Biology Department, Brooklyn College, City University of New York, 2900 Bedford Avenue, Brooklyn, NY 11210, USA; Biology Subprogram in Ecology, Evolutionary Biology and Behavior, The Graduate Center, City University of New York, 365 5(th) Avenue, New York, NY 10016, USA
| | - Joseph A Sisneros
- Psychology Department, University of Washington, Guthrie Hall, Seattle, WA 98195, USA
| | - Paul M Forlano
- Psychology Subprogram in Behavioral & Cognitive Neuroscience, The Graduate Center, City University of New York, 365 5(th) Avenue, New York, NY 10016, USA; Biology Department, Brooklyn College, City University of New York, 2900 Bedford Avenue, Brooklyn, NY 11210, USA; Biology Subprogram in Neuroscience, The Graduate Center, City University of New York, 365 5(th) Avenue, New York, NY 10016, USA; Biology Subprogram in Ecology, Evolutionary Biology and Behavior, The Graduate Center, City University of New York, 365 5(th) Avenue, New York, NY 10016, USA.
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Singh O, Pradhan DR, Nagalakashmi B, Kumar S, Mitra S, Sagarkar S, Sakharkar AJ, Lechan RM, Singru PS. Thyrotropin-releasing hormone (TRH) in the brain and pituitary of the teleost, Clarias batrachus and its role in regulation of hypophysiotropic dopamine neurons. J Comp Neurol 2018; 527:1070-1101. [PMID: 30370602 DOI: 10.1002/cne.24570] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 10/18/2018] [Accepted: 10/23/2018] [Indexed: 11/11/2022]
Abstract
Thyrotropin-releasing hormone (TRH) regulates the hypothalamic-pituitary-thyroid axis in mammals and also regulates prolactin secretion, directly or indirectly via tuberoinfundibular dopamine neurons. Although TRH is abundantly expressed in teleost brain and believed to mediate neuronal communication, empirical evidence is lacking. We analyzed pro-TRH-mRNA expression, mapped TRH-immunoreactive elements in the brain and pituitary, and explored its role in regulation of hypophysiotropic dopamine (DA) neurons in the catfish, Clarias batrachus. Partial pro-TRH transcript from C. batrachus transcriptome showed six TRH progenitors repeats. Quantitative real-time polymerase chain reaction (qRT-PCR) identified pro-TRH transcript in a number of different brain regions and immunofluorescence showed TRH-immunoreactive cells/fibers in the olfactory bulb, telencephalon, preoptic area (POA), hypothalamus, midbrain, hindbrain, and spinal cord. In the pituitary, TRH-immunoreactive fibers were seen in the neurohypophysis, proximal pars distalis, and pars intermedia but not rostral pars distalis. In POA, distinct TRH-immunoreactive cells/fibers were seen in nucleus preopticus periventricularis anterior (NPPa) that demonstrated a significant increase in TRH-immunoreactivity when collected during preparatory and prespawning phases, reaching a peak in the spawning phase. Although tyrosine hydroxylase (TH)-immunoreactive neurons in NPPa are hypophysiotropic, none of the TRH-immunoreactive neurons in NPPa accumulated neuronal tracer DiI following implants into the pituitary. However, 87 ± 1.6% NPPa TH-immunoreactive neurons were surrounded by TRH-immunoreactive axons that were seen in close proximity to the somata. Superfused POA slices treated with TRH (0.5-2 μM) significantly reduced TH concentration in tissue homogenates and the percent TH-immunoreactive area in the NPPa. We suggest that TRH in the brain of C. batrachus regulates a range of physiological functions but in particular, serves as a potential regulator of hypophysiotropic DA neurons and reproduction.
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Affiliation(s)
- Omprakash Singh
- School of Biological Sciences, National Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, India
| | - Dipti R Pradhan
- School of Biological Sciences, National Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, India
| | - B Nagalakashmi
- Department of Biotechnology, Savitribai Phule Pune University, Pune, India
| | - Santosh Kumar
- School of Biological Sciences, National Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, India
| | - Saptarsi Mitra
- School of Biological Sciences, National Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, India
| | - Sneha Sagarkar
- Department of Biotechnology, Savitribai Phule Pune University, Pune, India
| | - Amul J Sakharkar
- Department of Biotechnology, Savitribai Phule Pune University, Pune, India
| | - Ronald M Lechan
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Tupper Research Institute, Tufts Medical Center, Boston, Massachusetts.,Department of Neuroscience, Tufts University School of Medicine, Boston, Massachusetts
| | - Praful S Singru
- School of Biological Sciences, National Institute of Science Education and Research (NISER)-Bhubaneswar, Jatni, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, India
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López JM, Lozano D, Morona R, González A. Organization of the catecholaminergic systems in two basal actinopterygian fishes, Polypterus senegalus
and Erpetoichthys calabaricus
(Actinopterygii: Cladistia). J Comp Neurol 2018; 527:437-461. [DOI: 10.1002/cne.24548] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 09/04/2018] [Accepted: 09/23/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Jesús M. López
- Department of Cell Biology, Faculty of Biology; University Complutense of Madrid; Madrid Spain
| | - Daniel Lozano
- Department of Cell Biology, Faculty of Biology; University Complutense of Madrid; Madrid Spain
| | - Ruth Morona
- Department of Cell Biology, Faculty of Biology; University Complutense of Madrid; Madrid Spain
| | - Agustín González
- Department of Cell Biology, Faculty of Biology; University Complutense of Madrid; Madrid Spain
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Kawai T, Yoshimura A, Oka Y. Neurones in the preoptic area of the male goldfish are activated by a sex pheromone 17α,20β-dihydroxy-4-pregnen-3-one. J Neuroendocrinol 2015; 27:123-30. [PMID: 25491596 DOI: 10.1111/jne.12243] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 10/14/2014] [Accepted: 12/02/2014] [Indexed: 11/27/2022]
Abstract
Pheromones are interesting molecules given their ability to evoke changes in the endocrine state and behaviours of animals. In goldfish, a sex pheromone, 17α,20β-dihydroxy-4-pregnen-3-one (17,20β-P), which is released by preovulatory females, is known to trigger the elevation of luteinising hormone (LH) levels, as well as reproductive behaviour in males. Interestingly, when 11-ketotestosterone (11-KT) is implanted into adult female fish, LH levels increase in response to the pheromone at any time of the day, which is normally a male-specific response. However, the neural mechanisms underlying the male-specific information processing of 17,20β-P and its androgen dependence are yet unknown. In the present study, we focused on the preoptic area (POA), which plays important roles in the regulation of reproduction and reproductive behaviours. We mapped activity in the POA evoked by 17,20β-P exposure using the immediate-early gene c-fos. We found that a population of ventral POA neurones close to kisspeptin2 (kiss2) neurones that appear to have important roles in reproduction was activated by 17,20β-P exposure, suggesting that these activated neurones are important for the 17,20β-P response. Next, we investigated the distribution of androgen receptor (ar) in the POA and its relationship with 17,20β-P-responsive and kiss2 neurones. We found that ar is widely expressed in the ventral POA, whereas it is only expressed in approximately 10% of 17,20β-P-activated neurones. On the other hand, it is expressed in almost 90% of the kiss2 neurones. Taken together, it is possible that ar expressing neurones in the ventral POA, most of which were not labelled by c-fos in the present study, may at least partly account for androgen effects on responses to primer pheromones; the ar-positive kiss2 neurones in the ventral POA may be a candidate. These results offer a novel insight into the mechanisms underlying male-specific information processing of 17,20β-P in goldfish.
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Affiliation(s)
- Takafumi Kawai
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo, Japan; Integrative Physiology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
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