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László K, Vörös D, Correia P, Fazekas CL, Török B, Plangár I, Zelena D. Vasopressin as Possible Treatment Option in Autism Spectrum Disorder. Biomedicines 2023; 11:2603. [PMID: 37892977 PMCID: PMC10603886 DOI: 10.3390/biomedicines11102603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/13/2023] [Accepted: 09/21/2023] [Indexed: 10/29/2023] Open
Abstract
Autism spectrum disorder (ASD) is rather common, presenting with prevalent early problems in social communication and accompanied by repetitive behavior. As vasopressin was implicated not only in salt-water homeostasis and stress-axis regulation, but also in social behavior, its role in the development of ASD might be suggested. In this review, we summarized a wide range of problems associated with ASD to which vasopressin might contribute, from social skills to communication, motor function problems, autonomous nervous system alterations as well as sleep disturbances, and altered sensory information processing. Beside functional connections between vasopressin and ASD, we draw attention to the anatomical background, highlighting several brain areas, including the paraventricular nucleus of the hypothalamus, medial preoptic area, lateral septum, bed nucleus of stria terminalis, amygdala, hippocampus, olfactory bulb and even the cerebellum, either producing vasopressin or containing vasopressinergic receptors (presumably V1a). Sex differences in the vasopressinergic system might underline the male prevalence of ASD. Moreover, vasopressin might contribute to the effectiveness of available off-label therapies as well as serve as a possible target for intervention. In this sense, vasopressin, but paradoxically also V1a receptor antagonist, were found to be effective in some clinical trials. We concluded that although vasopressin might be an effective candidate for ASD treatment, we might assume that only a subgroup (e.g., with stress-axis disturbances), a certain sex (most probably males) and a certain brain area (targeting by means of virus vectors) would benefit from this therapy.
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Affiliation(s)
- Kristóf László
- Institute of Physiology, Medical School, University of Pécs, 7624 Pecs, Hungary; (K.L.); (D.V.); (P.C.); (C.L.F.); (B.T.); (I.P.)
- Center of Neuroscience, University of Pécs, 7624 Pecs, Hungary
- Szentágothai Research Center, University of Pécs, 7624 Pecs, Hungary
| | - Dávid Vörös
- Institute of Physiology, Medical School, University of Pécs, 7624 Pecs, Hungary; (K.L.); (D.V.); (P.C.); (C.L.F.); (B.T.); (I.P.)
- Center of Neuroscience, University of Pécs, 7624 Pecs, Hungary
- Szentágothai Research Center, University of Pécs, 7624 Pecs, Hungary
| | - Pedro Correia
- Institute of Physiology, Medical School, University of Pécs, 7624 Pecs, Hungary; (K.L.); (D.V.); (P.C.); (C.L.F.); (B.T.); (I.P.)
- Center of Neuroscience, University of Pécs, 7624 Pecs, Hungary
- Szentágothai Research Center, University of Pécs, 7624 Pecs, Hungary
- Hungarian Research Network, Institute of Experimental Medicine, 1083 Budapest, Hungary
| | - Csilla Lea Fazekas
- Institute of Physiology, Medical School, University of Pécs, 7624 Pecs, Hungary; (K.L.); (D.V.); (P.C.); (C.L.F.); (B.T.); (I.P.)
- Center of Neuroscience, University of Pécs, 7624 Pecs, Hungary
- Szentágothai Research Center, University of Pécs, 7624 Pecs, Hungary
- Hungarian Research Network, Institute of Experimental Medicine, 1083 Budapest, Hungary
| | - Bibiána Török
- Institute of Physiology, Medical School, University of Pécs, 7624 Pecs, Hungary; (K.L.); (D.V.); (P.C.); (C.L.F.); (B.T.); (I.P.)
- Center of Neuroscience, University of Pécs, 7624 Pecs, Hungary
- Szentágothai Research Center, University of Pécs, 7624 Pecs, Hungary
- Hungarian Research Network, Institute of Experimental Medicine, 1083 Budapest, Hungary
| | - Imola Plangár
- Institute of Physiology, Medical School, University of Pécs, 7624 Pecs, Hungary; (K.L.); (D.V.); (P.C.); (C.L.F.); (B.T.); (I.P.)
- Center of Neuroscience, University of Pécs, 7624 Pecs, Hungary
- Szentágothai Research Center, University of Pécs, 7624 Pecs, Hungary
| | - Dóra Zelena
- Institute of Physiology, Medical School, University of Pécs, 7624 Pecs, Hungary; (K.L.); (D.V.); (P.C.); (C.L.F.); (B.T.); (I.P.)
- Center of Neuroscience, University of Pécs, 7624 Pecs, Hungary
- Szentágothai Research Center, University of Pécs, 7624 Pecs, Hungary
- Hungarian Research Network, Institute of Experimental Medicine, 1083 Budapest, Hungary
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Malone CL, Rieger NS, Spool JA, Payette A, Riters LV, Marler CA. Behavioral convergence in defense behaviors in pair bonded individuals correlates with neuroendocrine receptors in the medial amygdala. Behav Brain Res 2023; 452:114556. [PMID: 37356669 PMCID: PMC10644349 DOI: 10.1016/j.bbr.2023.114556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 06/19/2023] [Accepted: 06/22/2023] [Indexed: 06/27/2023]
Abstract
Monogamous, pair-bonded animals coordinate intra-pair behavior for spatially separated challenges including territorial defense and nest attendance. Paired California mice, a monogamous, territorial and biparental species, approach intruders together or separately, but often express behavioral convergence across intruder challenges. To gain a more systems-wide perspective of potential mechanisms contributing to behavioral convergence across two conspecific intruder challenges, we conducted an exploratory study correlating behavior and receptor mRNA (Days 10 and 17 post-pairing). We examined associations between convergence variability in pair time for intruder-oriented behaviors with a pair mRNA index for oxytocin (OXTR), androgen (AR), and estrogen alpha (ERα) receptors within the medial amygdala (MeA) and the anterior olfactory nucleus (AON), brain regions associated with social behavior. An intruder behavior index revealed a bimodal distribution of intruder-related behaviors in Challenge 1 and a unimodal distribution in Challenge 2, suggesting population behavioral convergence, but no significant correlations with neuroendocrine measures. However, OXTR, AR, and ERα mRNA in the MeA were positively associated with convergence in individual intruder-related behaviors, suggesting multiple mechanisms may influence convergence. Mice could also occupy the nest during intruder challenges and convergence in nest attendance was positively correlated with MeA OXTR. At an individual level, nest attendance was positively associated with MeA ERα. Vocalizations were positively associated with AR and ERα mRNA. No positive associations were found in the AON. Overall, neuroendocrine receptors were implicated in convergence of a monogamous pair's defense behavior, highlighting the potential importance of the MeA as part of a circuit underlying convergence.
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Affiliation(s)
- Candice L Malone
- University of Wisconsin-Madison, Department of Psychology, Madison, WI, USA.
| | - Nathaniel S Rieger
- University of Wisconsin-Madison, Department of Psychology, Madison, WI, USA; University of Washington-Seattle, Department of Psychiatry and Behavioral Sciences, Seattle, WA, USA
| | - Jeremy A Spool
- University of Wisconsin-Madison, Department of Integrative Biology, Madison, WI, USA; University of Massachusetts-Amherst, Department of Psychological and Brain Sciences, Amherst, MA, USA
| | - Alexis Payette
- University of Wisconsin-Madison, Department of Psychology, Madison, WI, USA
| | - Lauren V Riters
- University of Wisconsin-Madison, Department of Integrative Biology, Madison, WI, USA
| | - Catherine A Marler
- University of Wisconsin-Madison, Department of Psychology, Madison, WI, USA.
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Brunert D, Quintela RM, Rothermel M. The anterior olfactory nucleus revisited - an emerging role for neuropathological conditions? Prog Neurobiol 2023:102486. [PMID: 37343762 DOI: 10.1016/j.pneurobio.2023.102486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 06/14/2023] [Accepted: 06/16/2023] [Indexed: 06/23/2023]
Abstract
Olfaction is an important sensory modality for many species and greatly influences animal and human behavior. Still, much about olfactory perception remains unknown. The anterior olfactory nucleus is one of the brain's central early olfactory processing areas. Located directly posterior to the olfactory bulb in the olfactory peduncle with extensive in- and output connections and unique cellular composition, it connects olfactory processing centers of the left and right hemispheres. Almost 20 years have passed since the last comprehensive review on the anterior olfactory nucleus has been published and significant advances regarding its anatomy, function, and pathophysiology have been made in the meantime. Here we briefly summarize previous knowledge on the anterior olfactory nucleus, give detailed insights into the progress that has been made in recent years, and map out its emerging importance in translational research of neurological diseases.
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Affiliation(s)
- Daniela Brunert
- Institute of Physiology, Medical Faculty, Otto-von-Guericke-University, 39120 Magdeburg, Germany
| | | | - Markus Rothermel
- Institute of Physiology, Medical Faculty, Otto-von-Guericke-University, 39120 Magdeburg, Germany.
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Spool JA, Lally AP, Remage-Healey L. Top-down, auditory pallial regulation of the social behavior network. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.08.531754. [PMID: 36945416 PMCID: PMC10028912 DOI: 10.1101/2023.03.08.531754] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
UNLABELLED Social encounters rely on sensory cues that carry nuanced information to guide social decision-making. While high-level features of social signals are processed in the telencephalic pallium, nuclei controlling social behaviors, called the social behavior network (SBN), reside mainly in the diencephalon. Although it is well known how mammalian olfactory pallium interfaces with the SBN, there is little information for how pallial processing of other sensory modalities can modulate SBN circuits. This is surprising given the importance of complex vocalizations, for example, for social behavior in many vertebrate taxa such as humans and birds. Using gregarious and highly vocal songbirds, female Zebra finches, we asked to what extent auditory pallial circuits provide consequential input to the SBN as it processes social sensory cues. We transiently inactivated auditory pallium of female Zebra finches during song playback and examined song-induced activation in SBN nuclei. Auditory pallial inactivation impaired responses to song specifically within the lateral ventromedial nucleus of the hypothalamus (VMHl), providing the first evidence in vertebrates of a connection between auditory pallium and the SBN. This same treatment elevated feeding behavior, which also correlated with VMHl activation. This suggests that signals from auditory pallium to VMHl can tune the balance between social attention and feeding drive. A descending influence of sensory pallium on hypothalamic circuits could therefore provide a functional connection for the integration of social stimuli with internal state to influence social decision-making. SIGNIFICANCE Sensory cues such as vocalizations contain important social information. These social signals can be substantially nuanced, containing information about vocalizer identity, prior experience, valence, and emotional state. Processing these features of vocalizations necessitates processing the fast, complex sound streams in song or speech, which depends on circuits in pallial cortex. But whether and how this information is then transferred to social circuits in limbic and hypothalamic regions remains a mystery. Here, we identify a top-down influence of the songbird auditory pallium on one specific node of the social behavior network within the hypothalamus. Descending functional connections such as these may be critical for the wide range of vertebrate species that rely on intricate sensory communication signals to guide social decision-making.
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Johnson CE, Hammock EAD, Dewan AK. Vasopressin receptor 1a, oxytocin receptor, and oxytocin knockout male and female mice display normal perceptual abilities towards non-social odorants. Horm Behav 2023; 148:105302. [PMID: 36628861 PMCID: PMC10067158 DOI: 10.1016/j.yhbeh.2022.105302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/27/2022] [Accepted: 12/29/2022] [Indexed: 01/11/2023]
Abstract
Genetic knockouts of the vasopressin receptor 1a (Avpr1a), oxytocin receptor (Oxtr), or oxytocin (Oxt) gene in mice have helped cement the causal relationship between these neuropeptide systems and various social behaviors (e.g., social investigation, recognition, and communication, as well as territoriality and aggression). In mice, these social behaviors depend upon the olfactory system. Thus, it is critical to assess the olfactory capabilities of these knockout models to accurately interpret the observed differences in social behavior. Prior studies utilizing these transgenic mice have sought to test for baseline deficits in olfactory processing; predominantly through use of odor habituation/dishabituation tasks, buried food tests, or investigation assays using non-social odorants. While informative, these assays rely on the animal's intrinsic motivation and locomotor behavior to measure olfactory capabilities and thus, often yield mixed results. Instead, psychophysical analyses using operant conditioning procedures and flow-dilution olfactometry are ideally suited to precisely quantify olfactory perception. In the present study, we used these methods to assess the main olfactory capabilities of adult male and female Avpr1a, Oxtr, and Oxt transgenic mice to volatile non-social odorants. Our results indicate that homozygous and heterozygous knockout mice of all three strains have the same sensitivity and discrimination ability as their wild-type littermates. These data strongly support the hypothesis that the observed social deficits of these global knockout mice are not due to baseline deficits of their main olfactory system.
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Affiliation(s)
- Chloe Elise Johnson
- Department of Psychology, Program in Neuroscience, Florida State University, Tallahassee, FL, United States.
| | - Elizabeth Anne Dunn Hammock
- Department of Psychology, Program in Neuroscience, Florida State University, Tallahassee, FL, United States.
| | - Adam Kabir Dewan
- Department of Psychology, Program in Neuroscience, Florida State University, Tallahassee, FL, United States.
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Kulason S, Ratnanather JT, Miller MI, Kamath V, Hua J, Yang K, Ma M, Ishizuka K, Sawa A. A comparative neuroimaging perspective of olfaction and higher-order olfactory processing: on health and disease. Semin Cell Dev Biol 2022; 129:22-30. [PMID: 34462249 PMCID: PMC9900497 DOI: 10.1016/j.semcdb.2021.08.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 08/18/2021] [Indexed: 02/08/2023]
Abstract
Olfactory dysfunction is often the earliest indicator of disease in a range of neurological and psychiatric disorders. One tempting working hypothesis is that pathological changes in the peripheral olfactory system where the body is exposed to many adverse environmental stressors may have a causal role for the brain alteration. Whether and how the peripheral pathology spreads to more central brain regions may be effectively studied in rodent models, and there is successful precedence in experimental models for Parkinson's disease. It is of interest to study whether a similar mechanism may underlie the pathology of psychiatric illnesses, such as schizophrenia. However, direct comparison between rodent models and humans includes challenges under light of comparative neuroanatomy and experimental methodologies used in these two distinct species. We believe that neuroimaging modality that has been the main methodology of human brain studies may be a useful viewpoint to address and fill the knowledge gap between rodents and humans in this scientific question. Accordingly, in the present review article, we focus on brain imaging studies associated with olfaction in healthy humans and patients with neurological and psychiatric disorders, and if available those in rodents. We organize this review article at three levels: 1) olfactory bulb (OB) and peripheral structures of the olfactory system, 2) primary olfactory cortical and subcortical regions, and 3) associated higher-order cortical regions. This research area is still underdeveloped, and we acknowledge that further validation with independent cohorts may be needed for many studies presented here, in particular those with human subjects. Nevertheless, whether and how peripheral olfactory disturbance impacts brain function is becoming even a hotter topic in the ongoing COVID-19 pandemic, given the risk of long-term changes of mental status associated with olfactory infection of SARS-CoV-2. Together, in this review article, we introduce this underdeveloped but important research area focusing on its implications in neurological and psychiatric disorders, with several pioneered publications.
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Affiliation(s)
- Sue Kulason
- Center for Imaging Science, Johns Hopkins University, Baltimore, MD, USA; Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD, USA; Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - J Tilak Ratnanather
- Center for Imaging Science, Johns Hopkins University, Baltimore, MD, USA; Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD, USA; Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Michael I Miller
- Center for Imaging Science, Johns Hopkins University, Baltimore, MD, USA; Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD, USA; Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Vidyulata Kamath
- Department of Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Jun Hua
- Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA; F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, USA
| | - Kun Yang
- Department of Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD, USA; Johns Hopkins Schizophrenia Center, Baltimore, MD, USA
| | - Minghong Ma
- Department of Neuroscience, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Koko Ishizuka
- Department of Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD, USA; Johns Hopkins Schizophrenia Center, Baltimore, MD, USA
| | - Akira Sawa
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA; Department of Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD, USA; Johns Hopkins Schizophrenia Center, Baltimore, MD, USA; Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, USA; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
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Schmidt SD, Zinn CG, Cavalcante LE, Ferreira FF, Furini CRG, Izquierdo I, de Carvalho Myskiw J. Participation of Hippocampal 5-HT 5A, 5-HT 6 and 5-HT 7 Serotonin Receptors on the Consolidation of Social Recognition Memory. Neuroscience 2022; 497:171-183. [PMID: 35718219 DOI: 10.1016/j.neuroscience.2022.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 05/31/2022] [Accepted: 06/09/2022] [Indexed: 11/28/2022]
Abstract
Social recognition is the ability of animals to identify and recognize a conspecific. The consolidation of social stimuli in long-term memory is crucial for the establishment and maintenance of social groups, reproduction and species survival. Despite its importance, little is known about the circuitry and molecular mechanisms involved in the social recognition memory (SRM). Serotonin (5-hydroxytryptamine, 5-HT) is acknowledged as a major neuromodulator, which plays a key role in learning and memory. Focusing on the more recently described 5-HT receptors, we investigated in the CA1 region of the dorsal hippocampus the participation of 5-HT5A, 5-HT6 and 5-HT7 receptors in the consolidation of SRM. Male Wistar rats cannulated in CA1 were subjected to a social discrimination task. In the sample phase the animals were exposed to a juvenile conspecific for 1 h. Immediately after, they received different pharmacological treatments. Twenty-four hours later, they were submitted to a 5 min retention test in the presence of the previously presented juvenile (familiar) and a novel juvenile. The animals that received infusions of 5-HT5A receptor antagonist SB-699551 (10 µg/µL), 5-HT6 receptor agonist WAY-208466 (0.63 µg/µL) or 5-HT7 receptor agonist AS-19 (5 µg/µL) intra-CA1 were unable to recognize the familiar juvenile. This effect was blocked by the coinfusion of WAY-208466 plus 5-HT6 receptor antagonist SB-271046 (10 µg/µL) or AS-19 plus 5-HT7 receptor antagonist SB-269970 (5 µg/µL). The present study helps to clarify the neurobiological functions of the 5-HT receptors more recently described and extends our knowledge about mechanisms underlying the SRM.
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Affiliation(s)
- Scheila Daiane Schmidt
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil.
| | - Carolina Garrido Zinn
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil
| | - Lorena Evelyn Cavalcante
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil
| | - Flávia Fagundes Ferreira
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil
| | - Cristiane Regina Guerino Furini
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil; National Institute of Translational Neuroscience (INNT), National Research Council of Brazil, Federal University of Rio de Janeiro, 21941-902, Rio de Janeiro, Brazil
| | - Ivan Izquierdo
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil; National Institute of Translational Neuroscience (INNT), National Research Council of Brazil, Federal University of Rio de Janeiro, 21941-902, Rio de Janeiro, Brazil
| | - Jociane de Carvalho Myskiw
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil; National Institute of Translational Neuroscience (INNT), National Research Council of Brazil, Federal University of Rio de Janeiro, 21941-902, Rio de Janeiro, Brazil; Psychobiology and Neurocomputation Laboratory (LPBNC), Department of Biophysics, Institute of Biosciences, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, Building 43422, Room 208A, 91501-970 Porto Alegre, RS, Brazil.
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Arakawa H, Higuchi Y. Exocrine scent marking: Coordinative role of arginine vasopressin in the systemic regulation of social signaling behaviors. Neurosci Biobehav Rev 2022; 136:104597. [PMID: 35248677 DOI: 10.1016/j.neubiorev.2022.104597] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 03/01/2022] [Accepted: 03/01/2022] [Indexed: 12/25/2022]
Abstract
Arginine vasopressin (AVP) is a neurohypophysial hormone that coordinatively regulates central socio-emotional behavior and peripheral control of antidiuretic fluid homeostasis. Most mammals, including rodents, utilize exocrine or urine-contained scent marking as a social signaling tool that facilitates social adaptation. The exocrine scent marking behavior is postulated to fine-tune sensory and cognitive abilities to recognize key social features via exocrine/urinary olfactory cues and subsequently control exocrine deposition or urinary marking through the mediation of osmotic fluid balance. AVP is implicated as a major player in controlling both recognition and signaling responses. This review provides constructive hypotheses on the coordinative processes of the AVP neurohypophysial circuits in the systemic regulations of fluid control and social-communicative behavior, via the expression of exocrine scent marking, and further emphasizes a potential role of AVP in a common mechanism underlying social communication in rodents.
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Affiliation(s)
- Hiroyuki Arakawa
- Depertment of Systems Physiology, University of the Ryukyus School of Medicine, Okinawa, Japan.
| | - Yuki Higuchi
- Depertment of Systems Physiology, University of the Ryukyus School of Medicine, Okinawa, Japan
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9
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Campos SM, Belkasim SS. Chemical Communication in Lizards and a Potential Role for Vasotocin in Modulating Social Interactions. Integr Comp Biol 2021; 61:205-220. [PMID: 33940600 DOI: 10.1093/icb/icab044] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Lizards use chemical communication to mediate many reproductive, competitive, and social behaviors, but the neuroendocrine mechanisms underlying chemical communication in lizards are not well understood and understudied. By implementing a neuroendocrine approach to the study of chemical communication in reptiles, we can address a major gap in our knowledge of the evolutionary mechanisms shaping chemical communication in vertebrates. The neuropeptide arginine vasotocin (AVT) and its mammalian homolog vasopressin are responsible for a broad spectrum of diversity in competitive and reproductive strategies in many vertebrates, mediating social behavior through the chemosensory modality. In this review, we posit that, though limited, the available data on AVT-mediated chemical communication in lizards reveal intriguing patterns that suggest AVT plays a more prominent role in lizard chemosensory behavior than previously appreciated. We argue that these results warrant more research into the mechanisms used by AVT to modify the performance of chemosensory behavior and responses to conspecific chemical signals. We first provide a broad overview of the known social functions of chemical signals in lizards, the glandular sources of chemical signal production in lizards (e.g., epidermal secretory glands), and the chemosensory detection methods and mechanisms used by lizards. Then, we review the locations of vasotocinergic populations and neuronal projections in lizard brains, as well as sites of peripheral receptors for AVT in lizards. Finally, we end with a case study in green anoles (Anolis carolinensis), discussing findings from recently published work on the impact of AVT in adult males on chemosensory communication during social interactions, adding new data from a similar study in which we tested the impact of AVT on chemosensory behavior of adult females. We offer concluding remarks on addressing several fundamental questions regarding the role of AVT in chemosensory communication and social behavior in lizards.
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Affiliation(s)
- Stephanie M Campos
- Department of Biology, Swarthmore College, 500 College Avenue, Swarthmore, PA 19081, USA
- Neuroscience Institute and Center for Behavioral Neuroscience, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303, USA
| | - Selma S Belkasim
- Neuroscience Institute and Center for Behavioral Neuroscience, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303, USA
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Suyama H, Egger V, Lukas M. Top-down acetylcholine signaling via olfactory bulb vasopressin cells contributes to social discrimination in rats. Commun Biol 2021; 4:603. [PMID: 34021245 PMCID: PMC8140101 DOI: 10.1038/s42003-021-02129-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 04/19/2021] [Indexed: 02/04/2023] Open
Abstract
Social discrimination in rats requires activation of the intrinsic bulbar vasopressin system, but it is unclear how this system comes into operation, as olfactory nerve stimulation primarily inhibits bulbar vasopressin cells (VPCs). Here we show that stimulation with a conspecific can activate bulbar VPCs, indicating that VPC activation depends on more than olfactory cues during social interaction. A series of in vitro electrophysiology, pharmacology and immunohistochemistry experiments implies that acetylcholine, probably originating from centrifugal projections, can enable olfactory nerve-evoked action potentials in VPCs. Finally, cholinergic activation of the vasopressin system contributes to vasopressin-dependent social discrimination, since recognition of a known rat was blocked by bulbar infusion of the muscarinic acetylcholine receptor antagonist atropine and rescued by additional bulbar application of vasopressin. Thus, our results implicate that top-down cholinergic modulation of bulbar VPC activity is involved in social discrimination in rats.
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Affiliation(s)
- Hajime Suyama
- Institute of Zoology, Neurophysiology, University of Regensburg, Regensburg, Germany
| | - Veronica Egger
- Institute of Zoology, Neurophysiology, University of Regensburg, Regensburg, Germany
| | - Michael Lukas
- Institute of Zoology, Neurophysiology, University of Regensburg, Regensburg, Germany.
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Zhang L, Hernandez VS, Gerfen CR, Jiang SZ, Zavala L, Barrio RA, Eiden LE. Behavioral role of PACAP signaling reflects its selective distribution in glutamatergic and GABAergic neuronal subpopulations. eLife 2021; 10:61718. [PMID: 33463524 PMCID: PMC7875564 DOI: 10.7554/elife.61718] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 01/18/2021] [Indexed: 01/25/2023] Open
Abstract
The neuropeptide PACAP, acting as a co-transmitter, increases neuronal excitability, which may enhance anxiety and arousal associated with threat conveyed by multiple sensory modalities. The distribution of neurons expressing PACAP and its receptor, PAC1, throughout the mouse nervous system was determined, in register with expression of glutamatergic and GABAergic neuronal markers, to develop a coherent chemoanatomical picture of PACAP role in brain motor responses to sensory input. A circuit role for PACAP was tested by observing Fos activation of brain neurons after olfactory threat cue in wild-type and PACAP knockout mice. Neuronal activation and behavioral response, were blunted in PACAP knock-out mice, accompanied by sharply downregulated vesicular transporter expression in both GABAergic and glutamatergic neurons expressing PACAP and its receptor. This report signals a new perspective on the role of neuropeptide signaling in supporting excitatory and inhibitory neurotransmission in the nervous system within functionally coherent polysynaptic circuits.
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Affiliation(s)
- Limei Zhang
- Department of Physiology, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico.,Section on Molecular Neuroscience, National Institute of Mental Health, Intramural Research Program, Bethesda, United States
| | - Vito S Hernandez
- Department of Physiology, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
| | - Charles R Gerfen
- Laboratory of Systems Neuroscience, National Institute of Mental Health, Intramural Research Program, Bethesda, United States
| | - Sunny Z Jiang
- Section on Molecular Neuroscience, National Institute of Mental Health, Intramural Research Program, Bethesda, United States
| | - Lilian Zavala
- Department of Physiology, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
| | - Rafael A Barrio
- Section on Molecular Neuroscience, National Institute of Mental Health, Intramural Research Program, Bethesda, United States.,Department of Complex Systems, Institute of Physics, National Autonomous University of Mexico (UNAM), Mexico, Mexico
| | - Lee E Eiden
- Section on Molecular Neuroscience, National Institute of Mental Health, Intramural Research Program, Bethesda, United States
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12
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Sparapani S, Millet-Boureima C, Oliver J, Mu K, Hadavi P, Kalostian T, Ali N, Avelar CM, Bardies M, Barrow B, Benedikt M, Biancardi G, Bindra R, Bui L, Chihab Z, Cossitt A, Costa J, Daigneault T, Dault J, Davidson I, Dias J, Dufour E, El-Khoury S, Farhangdoost N, Forget A, Fox A, Gebrael M, Gentile MC, Geraci O, Gnanapragasam A, Gomah E, Haber E, Hamel C, Iyanker T, Kalantzis C, Kamali S, Kassardjian E, Kontos HK, Le TBU, LoScerbo D, Low YF, Mac Rae D, Maurer F, Mazhar S, Nguyen A, Nguyen-Duong K, Osborne-Laroche C, Park HW, Parolin E, Paul-Cole K, Peer LS, Philippon M, Plaisir CA, Porras Marroquin J, Prasad S, Ramsarun R, Razzaq S, Rhainds S, Robin D, Scartozzi R, Singh D, Fard SS, Soroko M, Soroori Motlagh N, Stern K, Toro L, Toure MW, Tran-Huynh S, Trépanier-Chicoine S, Waddingham C, Weekes AJ, Wisniewski A, Gamberi C. The Biology of Vasopressin. Biomedicines 2021; 9:89. [PMID: 33477721 PMCID: PMC7832310 DOI: 10.3390/biomedicines9010089] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 12/29/2020] [Accepted: 01/06/2021] [Indexed: 02/07/2023] Open
Abstract
Vasopressins are evolutionarily conserved peptide hormones. Mammalian vasopressin functions systemically as an antidiuretic and regulator of blood and cardiac flow essential for adapting to terrestrial environments. Moreover, vasopressin acts centrally as a neurohormone involved in social and parental behavior and stress response. Vasopressin synthesis in several cell types, storage in intracellular vesicles, and release in response to physiological stimuli are highly regulated and mediated by three distinct G protein coupled receptors. Other receptors may bind or cross-bind vasopressin. Vasopressin is regulated spatially and temporally through transcriptional and post-transcriptional mechanisms, sex, tissue, and cell-specific receptor expression. Anomalies of vasopressin signaling have been observed in polycystic kidney disease, chronic heart failure, and neuropsychiatric conditions. Growing knowledge of the central biological roles of vasopressin has enabled pharmacological advances to treat these conditions by targeting defective systemic or central pathways utilizing specific agonists and antagonists.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Chiara Gamberi
- Biology Department, Concordia University, Montreal, QC H4B 1R6, Canada; (S.S.); (C.M.-B.); (J.O.); (K.M.); (P.H.); (T.K.); (N.A.); (C.M.A.); (M.B.); (B.B.); (M.B.); (G.B.); (R.B.); (L.B.); (Z.C.); (A.C.); (J.C.); (T.D.); (J.D.); (I.D.); (J.D.); (E.D.); (S.E.-K.); (N.F.); (A.F.); (A.F.); (M.G.); (M.C.G.); (O.G.); (A.G.); (E.G.); (E.H.); (C.H.); (T.I.); (C.K.); (S.K.); (E.K.); (H.K.K.); (T.B.U.L.); (D.L.); (Y.F.L.); (D.M.R.); (F.M.); (S.M.); (A.N.); (K.N.-D.); (C.O.-L.); (H.W.P.); (E.P.); (K.P.-C.); (L.S.P.); (M.P.); (C.-A.P.); (J.P.M.); (S.P.); (R.R.); (S.R.); (S.R.); (D.R.); (R.S.); (D.S.); (S.S.F.); (M.S.); (N.S.M.); (K.S.); (L.T.); (M.W.T.); (S.T.-H.); (S.T.-C.); (C.W.); (A.J.W.); (A.W.)
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13
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Processing of intraspecific chemical signals in the rodent brain. Cell Tissue Res 2021; 383:525-533. [PMID: 33404846 DOI: 10.1007/s00441-020-03383-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 12/06/2020] [Indexed: 12/24/2022]
Abstract
In the rodent brain, the central processing of ecologically relevant chemical stimuli involves many different areas located at various levels within the neuraxis: the main and accessory olfactory bulbs, some nuclei in the amygdala, the hypothalamus, and brainstem. These areas allow the integration of the chemosensory stimuli with other sensory information and the selection of the appropriate neurohormonal and behavioral response. This review is a brief introduction to the processing of intraspecific chemosensory stimuli beyond the secondary projection, focusing on the activity of the relevant amygdala and hypothalamic nuclei, namely the medial amygdala and ventromedial hypothalamus. These areas are involved in the appropriate interpretation of chemosensory information and drive the selection of the proper response, which may be behavioral or hormonal and may affect the neural activity of other areas in the telencephalon and brainstem.Recent data support the notion that the processing of intraspecific chemical signals is not unique to one chemosensory system and some molecules may activate both the main and the accessory olfactory system. Moreover, both these systems have mixed projections and cooperate for the correct identification of the stimuli and selection of relevant responses.
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14
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Brunert D, Rothermel M. Extrinsic neuromodulation in the rodent olfactory bulb. Cell Tissue Res 2021; 383:507-524. [PMID: 33355709 PMCID: PMC7873007 DOI: 10.1007/s00441-020-03365-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 11/24/2020] [Indexed: 12/16/2022]
Abstract
Evolutionarily, olfaction is one of the oldest senses and pivotal for an individual's health and survival. The olfactory bulb (OB), as the first olfactory relay station in the brain, is known to heavily process sensory information. To adapt to an animal's needs, OB activity can be influenced by many factors either from within (intrinsic neuromodulation) or outside (extrinsic neuromodulation) the OB which include neurotransmitters, neuromodulators, hormones, and neuropeptides. Extrinsic sources seem to be of special importance as the OB receives massive efferent input from numerous brain centers even outweighing the sensory input from the nose. Here, we review neuromodulatory processes in the rodent OB from such extrinsic sources. We will discuss extrinsic neuromodulation according to points of origin, receptors involved, affected circuits, and changes in behavior. In the end, we give a brief outlook on potential future directions in research on neuromodulation in the OB.
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Affiliation(s)
- Daniela Brunert
- Department of Chemosensation, AG Neuromodulation, Institute for Biology II, RWTH Aachen University, 52074, Aachen, Germany
| | - Markus Rothermel
- Department of Chemosensation, AG Neuromodulation, Institute for Biology II, RWTH Aachen University, 52074, Aachen, Germany.
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15
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Arakawa H. Dynamic regulation of oxytocin neuronal circuits in the sequential processes of prosocial behavior in rodent models. CURRENT RESEARCH IN NEUROBIOLOGY 2021; 2:100011. [PMID: 36246512 PMCID: PMC9559098 DOI: 10.1016/j.crneur.2021.100011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 03/08/2021] [Accepted: 03/31/2021] [Indexed: 12/16/2022] Open
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16
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Imamura F, Ito A, LaFever BJ. Subpopulations of Projection Neurons in the Olfactory Bulb. Front Neural Circuits 2020; 14:561822. [PMID: 32982699 PMCID: PMC7485133 DOI: 10.3389/fncir.2020.561822] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 08/12/2020] [Indexed: 12/17/2022] Open
Abstract
Generation of neuronal diversity is a biological strategy widely used in the brain to process complex information. The olfactory bulb is the first relay station of olfactory information in the vertebrate central nervous system. In the olfactory bulb, axons of the olfactory sensory neurons form synapses with dendrites of projection neurons that transmit the olfactory information to the olfactory cortex. Historically, the olfactory bulb projection neurons have been classified into two populations, mitral cells and tufted cells. The somata of these cells are distinctly segregated within the layers of the olfactory bulb; the mitral cells are located in the mitral cell layer while the tufted cells are found in the external plexiform layer. Although mitral and tufted cells share many morphological, biophysical, and molecular characteristics, they differ in soma size, projection patterns of their dendrites and axons, and odor responses. In addition, tufted cells are further subclassified based on the relative depth of their somata location in the external plexiform layer. Evidence suggests that different types of tufted cells have distinct cellular properties and play different roles in olfactory information processing. Therefore, mitral and different types of tufted cells are considered as starting points for parallel pathways of olfactory information processing in the brain. Moreover, recent studies suggest that mitral cells also consist of heterogeneous subpopulations with different cellular properties despite the fact that the mitral cell layer is a single-cell layer. In this review, we first compare the morphology of projection neurons in the olfactory bulb of different vertebrate species. Next, we explore the similarities and differences among subpopulations of projection neurons in the rodent olfactory bulb. We also discuss the timing of neurogenesis as a factor for the generation of projection neuron heterogeneity in the olfactory bulb. Knowledge about the subpopulations of olfactory bulb projection neurons will contribute to a better understanding of the complex olfactory information processing in higher brain regions.
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Affiliation(s)
- Fumiaki Imamura
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA, United States
| | - Ayako Ito
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA, United States
| | - Brandon J LaFever
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA, United States
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17
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Dynamic Impairment of Olfactory Behavior and Signaling Mediated by an Olfactory Corticofugal System. J Neurosci 2020; 40:7269-7285. [PMID: 32817250 DOI: 10.1523/jneurosci.2667-19.2020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 06/30/2020] [Accepted: 07/05/2020] [Indexed: 01/16/2023] Open
Abstract
Processing of olfactory information is modulated by centrifugal projections from cortical areas, yet their behavioral relevance and underlying neural mechanisms remain unclear in most cases. The anterior olfactory nucleus (AON) is part of the olfactory cortex, and its extensive connections to multiple upstream and downstream brain centers place it in a prime position to modulate early sensory information in the olfactory system. Here, we show that optogenetic activation of AON neurons in awake male and female mice was not perceived as an odorant equivalent cue. However, AON activation during odorant presentation reliably suppressed behavioral odor responses. This AON-mediated effect was fast and constant across odors and concentrations. Likewise, activation of glutamatergic AON projections to the olfactory bulb (OB) transiently inhibited the excitability of mitral/tufted cells (MTCs) that relay olfactory input to the cortex. Single-unit MTC recordings revealed that optogenetic activation of glutamatergic AON terminals in the OB transiently decreased sensory-evoked MTC spiking, regardless of the strength or polarity of the sensory response. The reduction in MTC firing during optogenetic stimulation was confirmed in recordings in awake mice. These findings suggest that glutamatergic AON projections to the OB impede early olfactory signaling by inhibiting OB output neurons, thereby dynamically gating sensory throughput to the cortex.SIGNIFICANCE STATEMENT The anterior olfactory nucleus (AON) as an olfactory information processing area sends extensive projections to multiple brain centers, but the behavioral consequences of its activation have been scarcely investigated. Using behavioral tests in combination with optogenetic manipulation, we show that, in contrast to what has been suggested previously, the AON does not seem to form odor percepts but instead suppresses behavioral odor responses across odorants and concentrations. Furthermore, this study shows that AON activation inhibits olfactory bulb output neurons in both anesthetized as well as awake mice, pointing to a potential mechanism by which the olfactory cortex can actively and dynamically gate sensory throughput to higher brain centers.
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18
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Pais AB, Pais AC, Elmisurati G, Park SH, Miles MF, Wolstenholme JT. A Novel Neighbor Housing Environment Enhances Social Interaction and Rescues Cognitive Deficits from Social Isolation in Adolescence. Brain Sci 2019; 9:E336. [PMID: 31766669 PMCID: PMC6956193 DOI: 10.3390/brainsci9120336] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 11/18/2019] [Accepted: 11/20/2019] [Indexed: 11/17/2022] Open
Abstract
Adolescence is characterized by high levels of playful social interaction, cognitive development, and increased risk-taking behavior. Juvenile exposure to social isolation or social stress can reduce myelin content in the frontal cortex, alter neuronal excitability, and disrupt hypothalamic pituitary adrenal (HPA) axis function. As compared to group housed animals, social isolation increases anxiety-like phenotypes and reduces social and cognitive performance in adulthood. We designed a neighbor housing environment to alleviate issues related to social isolation that still allowed individual homecages. Neighbor housing consists of four standard mouse cages fused together with semi-permeable ports that allow visual, olfactory, and limited social contact between mice. Adolescent C57BL/6J males and females were group housed (4/cage), single housed (1/cage), or neighbor housed (4/complex). As adults, mice were tested for social, anxiety-like, and cognitive behaviors. Living in this neighbor environment reduced anxiety-like behavior in the social interaction task and in the light-dark task. It also rescued cognitive deficits from single housing in the novel object recognition task. These data suggest that neighbor housing may partially ameliorate the social anxiety and cognitive deficits induced by social isolation. These neighbor cage environments may serve as a conduit by which researchers can house mice in individual cages while still enabling limited social interactions to better model typical adolescent development.
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Affiliation(s)
- Alexander B. Pais
- VCU-Alcohol Research Center, Virginia Commonwealth University, Richmond, VA 23298-0613, USA; (A.B.P.); (A.C.P.); (G.E.); (M.F.M.)
| | - Anthony C. Pais
- VCU-Alcohol Research Center, Virginia Commonwealth University, Richmond, VA 23298-0613, USA; (A.B.P.); (A.C.P.); (G.E.); (M.F.M.)
| | - Gabriel Elmisurati
- VCU-Alcohol Research Center, Virginia Commonwealth University, Richmond, VA 23298-0613, USA; (A.B.P.); (A.C.P.); (G.E.); (M.F.M.)
| | - So Hyun Park
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA 23298-0613, USA;
| | - Michael F. Miles
- VCU-Alcohol Research Center, Virginia Commonwealth University, Richmond, VA 23298-0613, USA; (A.B.P.); (A.C.P.); (G.E.); (M.F.M.)
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA 23298-0613, USA;
| | - Jennifer T. Wolstenholme
- VCU-Alcohol Research Center, Virginia Commonwealth University, Richmond, VA 23298-0613, USA; (A.B.P.); (A.C.P.); (G.E.); (M.F.M.)
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA 23298-0613, USA;
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19
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Lukas M, Suyama H, Egger V. Vasopressin Cells in the Rodent Olfactory Bulb Resemble Non-Bursting Superficial Tufted Cells and Are Primarily Inhibited upon Olfactory Nerve Stimulation. eNeuro 2019; 6:ENEURO.0431-18.2019. [PMID: 31217196 PMCID: PMC6620393 DOI: 10.1523/eneuro.0431-18.2019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 05/24/2019] [Accepted: 05/28/2019] [Indexed: 01/09/2023] Open
Abstract
The intrinsic vasopressin system of the olfactory bulb is involved in social odor processing and consists of glutamatergic vasopressin cells (VPCs) located at the medial border of the glomerular layer. To characterize VPCs in detail, we combined various electrophysiological, neuroanatomical, and two-photon Ca2+ imaging techniques in acute bulb slices from juvenile transgenic rats with eGFP-labeled VPCs. VPCs showed regular non-bursting firing patterns, and displayed slower membrane time constants and higher input resistances versus other glutamatergic tufted cell types. VPC axons spread deeply into the external plexiform and superficial granule cell layer (GCL). Axonal projections fell into two subclasses, with either denser local columnar collaterals or longer-ranging single projections running laterally within the internal plexiform layer and deeper within the granule cell layer. VPCs always featured lateral dendrites and a tortuous apical dendrite that innervated a single glomerulus with a homogenously branching tuft. These tufts lacked Ca2+ transients in response to single somatically-evoked action potentials and showed a moderate Ca2+ increase upon prolonged action potential trains.Notably, electrical olfactory nerve stimulation did not result in synaptic excitation of VPCs, but triggered substantial GABAA receptor-mediated IPSPs that masked excitatory barrages with yet longer latency. Exogenous vasopressin application reduced those IPSPs, as well as olfactory nerve-evoked EPSPs recorded from external tufted cells. In summary, VPCs can be classified as non-bursting, vertical superficial tufted cells. Moreover, our findings imply that sensory input alone cannot trigger excitation of VPCs, arguing for specific additional pathways for excitation or disinhibition in social contexts.
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Affiliation(s)
- Michael Lukas
- Institute of Zoology, Neurophysiology, University of Regensburg, 93040 Regensburg, Germany
| | - Hajime Suyama
- Institute of Zoology, Neurophysiology, University of Regensburg, 93040 Regensburg, Germany
| | - Veronica Egger
- Institute of Zoology, Neurophysiology, University of Regensburg, 93040 Regensburg, Germany
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20
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Wacker D, Ludwig M. The role of vasopressin in olfactory and visual processing. Cell Tissue Res 2018; 375:201-215. [PMID: 29951699 PMCID: PMC6335376 DOI: 10.1007/s00441-018-2867-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 05/31/2018] [Indexed: 12/23/2022]
Abstract
Neural vasopressin is a potent modulator of behaviour in vertebrates. It acts at both sensory processing regions and within larger regulatory networks to mediate changes in social recognition, affiliation, aggression, communication and other social behaviours. There are multiple populations of vasopressin neurons within the brain, including groups in olfactory and visual processing regions. Some of these vasopressin neurons, such as those in the main and accessory olfactory bulbs, anterior olfactory nucleus, piriform cortex and retina, were recently identified using an enhanced green fluorescent protein-vasopressin (eGFP-VP) transgenic rat. Based on the interconnectivity of vasopressin-producing and sensitive brain areas and in consideration of autocrine, paracrine and neurohormone-like actions associated with somato-dendritic release, we discuss how these different neuronal populations may interact to impact behaviour.
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Affiliation(s)
- Douglas Wacker
- School of STEM (Division of Biological Sciences), University of Washington Bothell, Bothell, WA, USA.
| | - Mike Ludwig
- Centre for Discovery Brain Sciences, University of Edinburgh, Edinburgh, UK.,Centre for Neuroendocrinology, University of Pretoria, Pretoria, South Africa
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21
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Tomaszycki ML, Atchley D. Pairing Increases Activation of V1aR, but not OTR, in Auditory Regions of Zebra Finches: The Importance of Signal Modality in Nonapeptide-Social Behavior Relationships. Integr Comp Biol 2018; 57:878-890. [PMID: 28992311 DOI: 10.1093/icb/icx043] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Social relationships are complex, involving the production and comprehension of signals, individual recognition, and close coordination of behavior between two or more individuals. The nonapeptides oxytocin and vasopressin are widely believed to regulate social relationships. These findings come largely from prairie voles, in which nonapeptide receptors in olfactory neural circuits drive pair bonding. This research is assumed to apply to all species. Previous reviews have offered two competing hypotheses. The work of Sarah Newman has implicated a common neural network across species, the Social Behavior Network. In contrast, others have suggested that there are signal modality-specific networks that regulate social behavior. Our research focuses on evaluating these two competing hypotheses in the zebra finch, a species that relies heavily on vocal/auditory signals for communication, specifically the neural circuits underlying singing in males and song perception in females. We have demonstrated that the quality of vocal interactions is highly important for the formation of long-term monogamous bonds in zebra finches. Qualitative evidence at first suggests that nonapeptide receptor distributions are very different between monogamous rodents (olfactory species) and monogamous birds (vocal/auditory species). However, we have demonstrated that social bonding behaviors are not only correlated with activation of nonapeptide receptors in vocal and auditory circuits, but also involve regions of the common Social Behavior Network. Here, we show increased Vasopressin 1a receptor, but not oxytocin receptor, activation in two auditory regions following formation of a pair bond. To our knowledge, this is the first study to suggest a role of nonapeptides in the auditory circuit in pair bonding. Thus, we highlight converging mechanisms of social relationships and also point to the importance of studying multiple species to understand mechanisms of behavior.
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Affiliation(s)
- Michelle L Tomaszycki
- Department of Psychology, Program in Neuroscience, Lafayette College, Easton, PA 18042, USA
| | - Derek Atchley
- Department of Psychology, Wayne State University, Detroit, MI 48202, USA
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22
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Garrido Zinn C, Bühler L, Cavalcante LE, Schmidt SD, Fagundes Ferreira F, Zanini ML, Guerino Furini CR, de Carvalho Myskiw J, Izquierdo I. Methylphenidate induces state-dependency of social recognition learning: Central components. Neurobiol Learn Mem 2018; 149:77-83. [PMID: 29408055 DOI: 10.1016/j.nlm.2018.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 01/18/2018] [Accepted: 02/03/2018] [Indexed: 11/29/2022]
Abstract
Methylphenidate (MPH) is a widely prescribed drug for the treatment of attention-deficit hyperactivity disorder. Findings in the literature suggest that the effects of MPH on memory may result from increased extracellular levels of norepinephrine (NE) and dopamine (DA). Here, we report that the systemic administration of MPH before the acquisition phase in a social discrimination task impaired the retrieval of the social recognition memory (SRM), but made it state-dependent: another administration of MPH before the retention test recovered the SRM. We observed that the induction of state dependency by MPH relies on the ventromedial prefrontal cortex (vmPFC), but not on the CA1 region of the hippocampus (CA1). Also, the inhibitors of NE and DA, nisoxetine and GBR12909, respectively, restored the SRM when infused into the vmPFC. Only the GBR12909 was able to restore the SRM in the CA1, whereas nisoxetine could not restore and even caused an impairment on memory retrieval when infused alone before the retention test. The data suggest that the state-dependence of SRM induced by MPH depends on an influence of both catecholamines on the vmPFC, while NE inhibits the retrieval of SRM on the hippocampus.
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Affiliation(s)
- Carolina Garrido Zinn
- Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil
| | - Leticia Bühler
- Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil
| | - Lorena Evelyn Cavalcante
- Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil
| | - Scheila Daiane Schmidt
- Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil
| | - Flávia Fagundes Ferreira
- Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil
| | - Mara Lise Zanini
- College of Chemistry, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6681, 90619-900 Porto Alegre, RS, Brazil
| | - Cristiane Regina Guerino Furini
- Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil; National Institute for Translational Neuroscience (INNT), National Research Council of Brazil, Brazil
| | - Jociane de Carvalho Myskiw
- Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil; National Institute for Translational Neuroscience (INNT), National Research Council of Brazil, Brazil
| | - Ivan Izquierdo
- Memory Center, Brain Institute, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690-2nd Floor, 90610-000 Porto Alegre, RS, Brazil; National Institute for Translational Neuroscience (INNT), National Research Council of Brazil, Brazil.
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Tsuji C, Tsuji T, Allchorne A, Leng G, Ludwig M. Effects of lateral olfactory tract stimulation on Fos immunoreactivity in vasopressin neurones of the rat piriform cortex. J Neuroendocrinol 2017; 29:e12531. [PMID: 28862781 DOI: 10.1111/jne.12531] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 08/22/2017] [Accepted: 08/28/2017] [Indexed: 11/28/2022]
Abstract
In the main olfactory system, odours are registered at the main olfactory epithelium and are then processed at the main olfactory bulb (MOB) and, subsequently, by the anterior olfactory nucleus (AON), the piriform cortex (PC) and the cortical amygdala. Previously, we reported populations of vasopressin neurones in different areas of the rat olfactory system, including the MOB, accessory olfactory bulb (AOB) and the AON and showed that these are involved in the coding of social odour information. Utilising immunohistochemistry and a transgenic rat in which an enhanced green fluorescent protein reporter gene is expressed in vasopressin neurones (eGFP-vasopressin), we now show a population of vasopressin neurones in the PC. The vasopressin neurones are predominantly located in the layer II of the PC and the majority co-express the excitatory transmitter glutamate. Furthermore, there is no sex difference in the number of neurones expressing vasopressin. Electrical stimulation of the lateral olfactory tract leads to a significant increase in the number of Fos-positive nuclei in the PC, MOB, AOB, dorsal AON and supraoptic nucleus (SON). However, there was only a significant increase in Fos expression in vasopressin cells of the PC and SON. Thus, functionally distinct populations of vasopressin cells are implicated in olfactory processing at multiple stages of the olfactory pathway.
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Affiliation(s)
- C Tsuji
- Centre for Integrative Physiology, University of Edinburgh, Edinburgh, UK
| | - T Tsuji
- Centre for Integrative Physiology, University of Edinburgh, Edinburgh, UK
| | - A Allchorne
- Centre for Integrative Physiology, University of Edinburgh, Edinburgh, UK
| | - G Leng
- Centre for Integrative Physiology, University of Edinburgh, Edinburgh, UK
| | - M Ludwig
- Centre for Integrative Physiology, University of Edinburgh, Edinburgh, UK
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Mate-choice copying, social information processing, and the roles of oxytocin. Neurosci Biobehav Rev 2016; 72:232-242. [PMID: 27923732 DOI: 10.1016/j.neubiorev.2016.12.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 11/23/2016] [Accepted: 12/01/2016] [Indexed: 01/07/2023]
Abstract
Social and sexual behaviors, including that of mate choice, are dependent on social information. Mate choice can be modified by prior and ongoing social factors and experience. The mate choice decisions of one individual can be influenced by either the actual or potential mate choice of another female or male. Such non-independent mate choice, where individuals gain social information and socially learn about and recognizes potential mates by observing the choices of another female or male, has been termed "mate-choice copying". Here we first briefly review how, why, and under what circumstances individuals engage in mate-choice copying. Secondly, we review the neurobiological mechanisms underlying mate-choice copying. In particular, we consider the roles of the nonapeptide, oxytocin, in the processing of social information and the expression of mate-choice copying.
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Namba T, Taniguchi M, Murata Y, Tong J, Wang Y, Okutani F, Yamaguchi M, Kaba H. Activation of arginine vasopressin receptor 1a facilitates the induction of long-term potentiation in the accessory olfactory bulb of male mice. Neurosci Lett 2016; 634:107-113. [PMID: 27697521 DOI: 10.1016/j.neulet.2016.09.056] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Revised: 09/28/2016] [Accepted: 09/29/2016] [Indexed: 10/20/2022]
Abstract
Olfaction plays an important role in social recognition in most mammals. Central arginine vasopressin (AVP) plays a role in this olfaction-based recognition. The high level of expression of AVP receptors in the accessory olfactory bulb (AOB) at the first relay of the vomeronasal system highlights the importance of AVP signaling at this stage. We therefore analyzed the effects of AVP on the synaptic plasticity of glutamatergic transmission from mitral cells to granule cells in AOB slices from male mice. To monitor the strength of the glutamatergic transmission, we measured the maximal initial slope of the lateral olfactory tract-evoked field potential, which represents the granule cell response to mitral cell activation. AVP paired with 100-Hz stimulation that only produced short-term potentiation enhanced the induction of long-term potentiation (LTP) in a dose-dependent manner. AVP-paired LTP was blocked by the selective AVP receptor 1a (AVPR1a) antagonist, d(CH2)5[Tyr(Me)2]AVP (Manning compound), but not by the AVPR1b antagonist SSR149415, and it was mimicked by the selective AVPR1a agonist [Phe2, Ile3, Orn8]-vasopressin. We further examined the effect of AVP on the reciprocal transmission between mitral and granule cells by stimulating a mitral cell and recording the evoked inhibitory postsynaptic currents (IPSCs) from the same cell using conventional whole-cell patch-clamp techniques. AVP reduced the reciprocal IPSCs triggered by endogenous glutamate release from the excited mitral cell. These results suggest that AVP promotes the induction of LTP at the mitral-to-granule cell synapse via the activation of AVPR1a through an as-yet-to-be-determined mechanism in the AOB of male mice.
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Affiliation(s)
- Toshiharu Namba
- Department of Physiology, Kochi Medical School, Kochi University, Nankoku, Kochi 783-8505, Japan
| | - Mutsuo Taniguchi
- Department of Physiology, Kochi Medical School, Kochi University, Nankoku, Kochi 783-8505, Japan
| | - Yoshihiro Murata
- Department of Physiology, Kochi Medical School, Kochi University, Nankoku, Kochi 783-8505, Japan
| | - Jia Tong
- Department of Physiology, Kochi Medical School, Kochi University, Nankoku, Kochi 783-8505, Japan; Department of Occupational Health, Kochi Medical School, Kochi University, Nankoku, Kochi 783-8505, Japan
| | - Yujie Wang
- Department of Physiology, Kochi Medical School, Kochi University, Nankoku, Kochi 783-8505, Japan
| | - Fumino Okutani
- Department of Physiology, Kochi Medical School, Kochi University, Nankoku, Kochi 783-8505, Japan; Department of Occupational Health, Kochi Medical School, Kochi University, Nankoku, Kochi 783-8505, Japan
| | - Masahiro Yamaguchi
- Department of Physiology, Kochi Medical School, Kochi University, Nankoku, Kochi 783-8505, Japan
| | - Hideto Kaba
- Department of Physiology, Kochi Medical School, Kochi University, Nankoku, Kochi 783-8505, Japan.
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Garrido Zinn C, Clairis N, Silva Cavalcante LE, Furini CRG, de Carvalho Myskiw J, Izquierdo I. Major neurotransmitter systems in dorsal hippocampus and basolateral amygdala control social recognition memory. Proc Natl Acad Sci U S A 2016; 113:E4914-9. [PMID: 27482097 PMCID: PMC4995962 DOI: 10.1073/pnas.1609883113] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Social recognition memory (SRM) is crucial for reproduction, forming social groups, and species survival. Despite its importance, SRM is still relatively little studied. Here we examine the participation of the CA1 region of the dorsal hippocampus (CA1) and the basolateral amygdala (BLA) and that of dopaminergic, noradrenergic, and histaminergic systems in both structures in the consolidation of SRM. Male Wistar rats received intra-CA1 or intra-BLA infusions of different drugs immediately after the sample phase of a social discrimination task and 24-h later were subjected to a 5-min retention test. Animals treated with the protein synthesis inhibitor, anisomycin, into either the CA1 or BLA were unable to recognize the previously exposed juvenile (familiar) during the retention test. When infused into the CA1, the β-adrenoreceptor agonist, isoproterenol, the D1/D5 dopaminergic receptor antagonist, SCH23390, and the H2 histaminergic receptor antagonist, ranitidine, also hindered the recognition of the familiar juvenile 24-h later. The latter drug effects were more intense in the CA1 than in the BLA. When infused into the BLA, the β-adrenoreceptor antagonist, timolol, the D1/D5 dopamine receptor agonist, SKF38393, and the H2 histaminergic receptor agonist, ranitidine, also hindered recognition of the familiar juvenile 24-h later. In all cases, the impairment to recognize the familiar juvenile was abolished by the coinfusion of agonist plus antagonist. Clearly, both the CA1 and BLA, probably in that order, play major roles in the consolidation of SRM, but these roles are different in each structure vis-à-vis the involvement of the β-noradrenergic, D1/D5-dopaminergic, and H2-histaminergic receptors therein.
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Affiliation(s)
- Carolina Garrido Zinn
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul, 90610-000 Porto Alegre, RS, Brazil
| | - Nicolas Clairis
- Département de Biologie, Ecole Normale Supérieure de Lyon, 69007 Lyon, France
| | - Lorena Evelyn Silva Cavalcante
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul, 90610-000 Porto Alegre, RS, Brazil
| | - Cristiane Regina Guerino Furini
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul, 90610-000 Porto Alegre, RS, Brazil
| | - Jociane de Carvalho Myskiw
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul, 90610-000 Porto Alegre, RS, Brazil;
| | - Ivan Izquierdo
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul, 90610-000 Porto Alegre, RS, Brazil;
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Bester-Meredith JK, Fancher AP, Mammarella GE. Vasopressin Proves Es-sense-tial: Vasopressin and the Modulation of Sensory Processing in Mammals. Front Endocrinol (Lausanne) 2015; 6:5. [PMID: 25705203 PMCID: PMC4319160 DOI: 10.3389/fendo.2015.00005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2014] [Accepted: 01/12/2015] [Indexed: 11/29/2022] Open
Abstract
As mammals develop, they encounter increasing social complexity in the surrounding world. In order to survive, mammals must show appropriate behaviors toward their mates, offspring, and same-sex conspecifics. Although the behavioral effects of the neuropeptide arginine vasopressin (AVP) have been studied in a variety of social contexts, the effects of this neuropeptide on multimodal sensory processing have received less attention. AVP is widely distributed through sensory regions of the brain and has been demonstrated to modulate olfactory, auditory, gustatory, and visual processing. Here, we review the evidence linking AVP to the processing of social stimuli in sensory regions of the brain and explore how sensory processing can shape behavioral responses to these stimuli. In addition, we address the interplay between hormonal and neural AVP in regulating sensory processing of social cues. Because AVP pathways show plasticity during development, early life experiences may shape life-long processing of sensory information. Furthermore, disorders of social behavior such as autism and schizophrenia that have been linked with AVP also have been linked with dysfunctions in sensory processing. Together, these studies suggest that AVP's diversity of effects on social behavior across a variety of mammalian species may result from the effects of this neuropeptide on sensory processing.
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Affiliation(s)
- Janet K. Bester-Meredith
- Department of Biology, Seattle Pacific University, Seattle, WA, USA
- *Correspondence: Janet K. Bester-Meredith, Department of Biology, Seattle Pacific University, 3307 3rd Avenue W, Seattle, WA 98119, USA e-mail:
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Zimmermann-Peruzatto JM, Lazzari VM, de Moura AC, Almeida S, Giovenardi M. Examining the Role of Vasopressin in the Modulation of Parental and Sexual Behaviors. Front Psychiatry 2015; 6:130. [PMID: 26441691 PMCID: PMC4585274 DOI: 10.3389/fpsyt.2015.00130] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2015] [Accepted: 09/04/2015] [Indexed: 11/13/2022] Open
Abstract
Vasopressin (VP) and VP-like neuropeptides are evolutionarily stable peptides found in all vertebrate species. In non-mammalian vertebrates, vasotocin (VT) plays a role similar to mammalian VP, whereas mesotocin and isotocin are functionally similar to mammalian oxytocin (OT). Here, we review the involvement of VP in brain circuits, synaptic plasticity, evolution, and function, highlighting the role of VP in social behavior. In all studied species, VP is encoded on chromosome 20p13, and in mammals, VP is produced in specific hypothalamic nuclei and released by the posterior pituitary. The role of VP is mediated by the stimulation of the V1a, V1b, and V2 receptors as well as the oxytocinergic and purinergic receptors. VT and VP functions are usually related to osmotic and cardiovascular homeostasis when acting peripherally. However, these neuropeptides are also critically involved in the central modulation of social behavior displays, such as pairing recognition, pair-bonding, social memory, sexual behavior, parental care, and maternal and aggressive behavior. Evidence suggests that these effects are primarily mediated by V1a receptor in specific brain circuits that provide important information for the onset and control of social behaviors in normal and pathological conditions.
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Affiliation(s)
- Josi Maria Zimmermann-Peruzatto
- Programa de Pós-Graduação em Fisiologia, Instituto de Ciências Básicas da Saúde (ICBS), Universidade Federal do Rio Grande do Sul (UFRGS) , Porto Alegre , Brazil
| | - Virgínia Meneghini Lazzari
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA) , Porto Alegre , Brazil
| | - Ana Carolina de Moura
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA) , Porto Alegre , Brazil
| | - Silvana Almeida
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA) , Porto Alegre , Brazil
| | - Márcia Giovenardi
- Programa de Pós-Graduação em Fisiologia, Instituto de Ciências Básicas da Saúde (ICBS), Universidade Federal do Rio Grande do Sul (UFRGS) , Porto Alegre , Brazil ; Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA) , Porto Alegre , Brazil
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29
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Domoic acid epileptic disease. Mar Drugs 2014; 12:1185-207. [PMID: 24663110 PMCID: PMC3967204 DOI: 10.3390/md12031185] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Revised: 01/08/2014] [Accepted: 02/08/2014] [Indexed: 12/23/2022] Open
Abstract
Domoic acid epileptic disease is characterized by spontaneous recurrent seizures weeks to months after domoic acid exposure. The potential for this disease was first recognized in a human case study of temporal lobe epilepsy after the 1987 amnesic shellfish-poisoning event in Quebec, and was characterized as a chronic epileptic syndrome in California sea lions through investigation of a series of domoic acid poisoning cases between 1998 and 2006. The sea lion study provided a breadth of insight into clinical presentations, unusual behaviors, brain pathology, and epidemiology. A rat model that replicates key observations of the chronic epileptic syndrome in sea lions has been applied to identify the progression of the epileptic disease state, its relationship to behavioral manifestations, and to define the neural systems involved in these behavioral disorders. Here, we present the concept of domoic acid epileptic disease as a delayed manifestation of domoic acid poisoning and review the state of knowledge for this disease state in affected humans and sea lions. We discuss causative mechanisms and neural underpinnings of disease maturation revealed by the rat model to present the concept for olfactory origin of an epileptic disease; triggered in dendodendritic synapases of the olfactory bulb and maturing in the olfactory cortex. We conclude with updated information on populations at risk, medical diagnosis, treatment, and prognosis.
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Kim JK, Kim IH, Heo JH, Lee JH, Ra NY, Eom J, Jeong SM, Lee HJ, Park D. Arginine Vasotocin (AVT) Triggers Courtship Behavior Without Exposure to External Stimuli and Modulates the Olfactory Response of MaleHynobius leechiiSalamanders. Zoolog Sci 2013; 30:929-37. [DOI: 10.2108/zsj.30.929] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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31
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Nonsocial functions of hypothalamic oxytocin. ISRN NEUROSCIENCE 2013; 2013:179272. [PMID: 24967304 PMCID: PMC4045544 DOI: 10.1155/2013/179272] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/29/2013] [Accepted: 04/23/2013] [Indexed: 01/06/2023]
Abstract
Oxytocin (OXT) is a hypothalamic neuropeptide composed of nine amino acids. The functions of OXT cover a variety of social and nonsocial activity/behaviors. Therapeutic effects of OXT on aberrant social behaviors are attracting more attention, such as social memory, attachment, sexual behavior, maternal behavior, aggression, pair bonding, and trust. The nonsocial behaviors/functions of brain OXT have also received renewed attention, which covers brain development, reproduction, sex, endocrine, immune regulation, learning and memory, pain perception, energy balance, and almost all the functions of peripheral organ systems. Coordinating with brain OXT, locally produced OXT also involves the central and peripheral actions of OXT. Disorders in OXT secretion and functions can cause a series of aberrant social behaviors, such as depression, autism, and schizophrenia as well as disturbance of nonsocial behaviors/functions, such as anorexia, obesity, lactation failure, osteoporosis, diabetes, and carcinogenesis. As more and more OXT functions are identified, it is essential to provide a general view of OXT functions in order to explore the therapeutic potentials of OXT. In this review, we will focus on roles of hypothalamic OXT on central and peripheral nonsocial functions.
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32
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Schroeder FA, Chonde DB, Riley MM, Moseley CK, Granda ML, Wilson CM, Wagner FF, Zhang YL, Gale J, Holson EB, Haggarty SJ, Hooker JM. FDG-PET imaging reveals local brain glucose utilization is altered by class I histone deacetylase inhibitors. Neurosci Lett 2013; 550:119-24. [PMID: 23810801 DOI: 10.1016/j.neulet.2013.06.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Revised: 05/30/2013] [Accepted: 06/11/2013] [Indexed: 11/17/2022]
Abstract
The purpose of this work--the first of its kind--was to evaluate the impact of chronic selective histone deacetylase (HDAC) inhibitor treatment on brain activity using uptake of the radioligand (18)F-fluorodeoxyglucose and positron emission tomography ((18)FDG-PET). HDAC dysfunction and other epigenetic mechanisms are implicated in diverse CNS disorders and animal research suggests HDAC inhibition may provide a lead toward developing improved treatment. To begin to better understand the role of the class I HDAC subtypes HDAC 1, 2 and 3 in modulating brain activity, we utilized two benzamide inhibitors from the literature, compound 60 (Cpd-60) and CI-994 which selectively inhibit HDAC 1 and 2 or HDACs 1, 2 and 3, respectively. One day after the seventh treatment with Cpd-60 (22.5 mg/kg) or CI-994 (5 mg/kg), (18)FDG-PET experiments (n=11-12 rats per treatment group) revealed significant, local changes in brain glucose utilization. These 2-17% changes were represented by increases and decreases in glucose uptake. The pattern of changes was similar but distinct between Cpd-60 and CI-994, supporting that (18)FDG-PET is a useful tool to examine the relationship between HDAC subtype activity and brain activity. Further work using additional selective HDAC inhibitors will be needed to clarify these effects as well as to understand how brain activity changes influence behavioral response.
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Affiliation(s)
- Frederick A Schroeder
- Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
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Tiedeken JA, Ramsdell JS. Persistent Neurological Damage Associated With Spontaneous Recurrent Seizures and Atypical Aggressive Behavior of Domoic Acid Epileptic Disease. Toxicol Sci 2013; 133:133-43. [DOI: 10.1093/toxsci/kft037] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Mucignat-Caretta C, Redaelli M, Caretta A. One nose, one brain: contribution of the main and accessory olfactory system to chemosensation. Front Neuroanat 2012; 6:46. [PMID: 23162438 PMCID: PMC3494019 DOI: 10.3389/fnana.2012.00046] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Accepted: 10/22/2012] [Indexed: 01/18/2023] Open
Abstract
The accessory olfactory system is present in most tetrapods. It is involved in the perception of chemical stimuli, being implicated also in the detection of pheromones. However, it is sensitive also to some common odorant molecules, which have no clear implication in intraspecific chemical communication. The accessory olfactory system may complement the main olfactory system and may contribute different perceptual features to the construction of a unitary representation, which merges the different chemosensory qualities. Crosstalk between the main and accessory olfactory systems occurs at different levels of central processing, in brain areas where the inputs from the two systems converge. Interestingly, centrifugal projections from more caudal brain areas are deeply involved in modulating both main and accessory sensory processing. A high degree of interaction between the two systems may be conceived and partial overlapping appears to occur in many functions. Therefore, the central chemosensory projections merge inputs from different organs to obtain a complex chemosensory picture.
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Caquineau C, Leng G, Douglas AJ. Sexual behaviour and neuronal activation in the vomeronasal pathway and hypothalamus of food-deprived male rats. J Neuroendocrinol 2012; 24:712-23. [PMID: 22309296 DOI: 10.1111/j.1365-2826.2012.02290.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
As feeding and mating are mutually-exclusive goal-orientated behaviours, we investigated whether brief food deprivation would impair the display of sexual behaviour of male rats. Analysis of performance in a sexual incentive motivation test revealed that, similar to fed males, food-deprived males preferred spending time in the vicinity of receptive females rather than nonreceptive females. Despite this, food-deprived males were more likely to be slow to mate than normally-fed males, and a low dose of the satiety peptide α-melanocyte-stimulating-hormone attenuated the effect of hunger. Using Fos immunocytochemistry, we compared neuronal activity in the vomeronasal projection pathway in response to oestrous cues from receptive females between food-deprived and fed males. As in fed males, more Fos expression was seen in the rostral part of the bed nucleus of the stria terminalis and in the medial preoptic area in food-deprived males, confirming that food-deprived males can recognise and respond to female oestrous cues. However, although there was also an increase in Fos expression in the bed nucleus of the accessory tract and in the posteromedial amygdala in fed males, no increases were seen in these areas in food-deprived rats. We also found selective attenuation in the activation of lateral posterior paraventricular nucleus (lpPVN) oxytocin neurones in food-deprived males. Taken together, the data show that, although food-deprived males can still become sexually motivated, copulation is delayed, and this is accompanied by variations in neuronal activity in the vomeronasal projection pathway. We propose that, in hungry rats, the lpPVN oxytocin neurones (which project to the spinal cord and are involved in maintaining penile erection) facilitate the transition from motivation to intromission, and their lack of activation impairs intromission, and thus delays mating.
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Affiliation(s)
- C Caquineau
- Centre for Integrative Physiology, University of Edinburgh, Edinburgh, UK.
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36
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Wacker DW, Ludwig M. Vasopressin, oxytocin, and social odor recognition. Horm Behav 2012; 61:259-65. [PMID: 21920364 DOI: 10.1016/j.yhbeh.2011.08.014] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2011] [Revised: 08/12/2011] [Accepted: 08/17/2011] [Indexed: 11/30/2022]
Abstract
Central vasopressin and oxytocin, and their homologues, modulate a multitude of social behaviors in a variety of animal taxa. All social behavior requires some level of social (re)cognition, and these neuropeptides exert powerful effects on an animal's ability to recognize and appropriately respond to a conspecific. Social cognition for many mammals, including rodents, begins at the main and accessory olfactory systems. We recently identified vasopressin expressing neurons in the main and accessory olfactory bulb and in the anterior olfactory nucleus, a region of olfactory cortex that transmits and processes information in the main olfactory system. We review this and other work demonstrating that both vasopressin and oxytocin modulate conspecific social recognition at the level of the olfactory system. We also outline recent work on the somato-dendritic release of vasopressin and oxytocin, and propose a model by which the somato-dendritic priming of these neuropeptides in main olfactory regions may facilitate the formation of short-term social odor memories. This article is part of a Special Issue entitled Oxytocin, Vasopressin, and Social Behavior.
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Affiliation(s)
- Douglas W Wacker
- Centre for Integrative Physiology, University of Edinburgh, Edinburgh EH8 9XD, UK
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Almeida O, Gozdowska M, Kulczykowska E, Oliveira RF. Brain levels of arginine-vasotocin and isotocin in dominant and subordinate males of a cichlid fish. Horm Behav 2012; 61:212-7. [PMID: 22206822 DOI: 10.1016/j.yhbeh.2011.12.008] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2011] [Revised: 12/11/2011] [Accepted: 12/12/2011] [Indexed: 10/14/2022]
Abstract
The nonapeptides arginine-vasotocin (AVT) and isotocin (IT), which are the teleost homologues of arginine-vasopressin and oxytocin in mammals, have well established peripheral effects on osmoregulation and stress response, and central effects on social behavior. However, all studies that have looked so far into the relationship between these nonapeptides and social behavior have used indirect measures of AVT/IT activity (i.e. immunohistochemistry of AVT/IT immunoreactive neurons, or AVT/IT or their receptors mRNA expression with in situ hybridization or qPCR) and therefore direct measures of peptide levels in relation to social behavior are still lacking. Here we use a recently developed high-performance liquid chromatography analysis with fluorescence detection (HPLC-FL) method to quantify the levels of both AVT and IT in macro-dissected brain areas [i.e. olfactory bulbs, telencephalon, diencephalon, optic tectum, cerebellum, and hindbrain (= rhombencephalon minus cerebellum)] and pituitary of dominant and subordinate male cichlid fish (Oreochromis mossambicus). The pituitary shows higher levels of both peptides than any of the brain macroareas, and the olfactory bulbs have the highest AVT among all brain areas. Except for IT in the telencephalon there is a lack of correlations between central levels and pituitary peptide levels, suggesting an independent control of hypophysial and CNS nonapeptide secretion. There were also no correlations between AVT and IT levels either for each brain region or for the pituitary gland, suggesting a decoupled activity of the AVT and IT systems at the CNS level. Subordinate AVT pituitary levels are significantly higher than those of dominants, and dominant hindbrain IT levels are significantly higher than those of subordinates, suggesting a potential involvement of AVT in social stress in subordinate fish and of IT in the regulation of dominant behavior at the level of the hindbrain. Since in this species dominant males use urine to communicate social status and since AVT is known to have an antidiuretic effect, we have also investigated the effect of social status on urine storage. As predicted, dominant males stored significantly more urine than subordinates. Given these results we suggest that AVT/IT play a key role in orchestrating social phenotypes, acting both as central neuromodulators that promote behavioral plasticity and as peripheral hormones that promote integrated physiological changes.
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Affiliation(s)
- Olinda Almeida
- Unidade de Investigação em Eco-Etologia, ISPA-Instituto Universitário, Rua Jardim do Tabaco, 34, 1149-041 Lisboa, Portugal
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Kavaliers M, Choleris E. Sociality, Pathogen Avoidance, and the Neuropeptides Oxytocin and Arginine Vasopressin. Psychol Sci 2011; 22:1367-74. [DOI: 10.1177/0956797611420576] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Both humans and nonhumans have evolved a variety of mechanisms to recognize pathogen threat and a variety of adaptive behavioral responses to minimize exposure to it. Because social interactions facilitate the spread of infection among individuals, the ability to recognize and avoid infected and potentially infected individuals is crucial. The neuropeptides oxytocin (OT) and arginine vasopressin (AVP) are involved in mediating various facets of social behavior, including social recognition and responses to salient social threats. Results of studies with rodents have revealed that OT and AVP are also associated with the olfactory-mediated recognition and avoidance of actually or potentially infected individuals. The evidence reviewed here suggests that OT and AVP likely play parallel roles in modulating the recognition and avoidance of socially relevant pathogen threat in both humans and rodents.
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