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Rijnders RJP, van Boxtel A, de Wied M, van Honk J, Kempes MM, Bos PA. Revealed masks: Facial mimicry after oxytocin administration in forensic psychopathic patients. J Psychiatr Res 2024; 176:422-429. [PMID: 38959825 DOI: 10.1016/j.jpsychires.2024.06.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 06/12/2024] [Accepted: 06/24/2024] [Indexed: 07/05/2024]
Abstract
Facial mimicry serves as an evolutionarily rooted important interpersonal communication process that touches on the concepts of socialization and empathy. Facial electromyography (EMG) of the corrugator muscle and the zygomaticus muscle was recorded while male forensic psychopathic patients and controls watched morphed angry or happy facial expressions. We tested the hypothesis that psychopathic patients would show weaker short latency facial mimicry (that is, within 600 ms after stimulus onset) than controls. Exclusively in the group of 20 psychopathic patients, we tested in a placebo-controlled crossover within-subject design the hypothesis that oxytocin would enhance short-latency facial mimicry. Compared with placebo, we found no oxytocin-related significant short-latency responses of the corrugator and the zygomaticus. However, compared with 19 normal controls, psychopathic patients in the placebo condition showed significantly weaker short-latency zygomaticus responses to happy faces, while there was a trend toward significantly weaker short-latency corrugator responses to angry faces. These results are consistent with a recent study of facial EMG responses in adolescents with psychopathic traits. We therefore posit a lifetime developmental deficit in psychopathy pertaining short-latency mimicry of emotional facial expressions. Ultimately, this deficit in mimicking angry and happy expressions may hinder the elicitation of empathy, which is known to be impaired in psychopathy.
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Affiliation(s)
- Ronald J P Rijnders
- Netherlands Institute for Forensic Psychiatry and Psychology, Forensic Observation Clinic "Pieter Baan Centrum", Carl Barksweg 3, 1336 ZL, Almere, the Netherlands; Utrecht University, Faculty of Social Sciences, Department of Psychology Heidelberglaan 8, 3584 CS, Utrecht, the Netherlands.
| | - Anton van Boxtel
- Tilburg University, Department of Cognitive Neuropsychology, Warandelaan 2, 5000 LE, Tilburg, the Netherlands.
| | - Minet de Wied
- Utrecht University, Faculty of Social and Behavioural Sciences, Department of Youth and Family, Heidelberglaan 1, 3584 CS, Utrecht, the Netherlands.
| | - Jack van Honk
- Utrecht University, Faculty of Social and Behavioural Sciences, Department of Psychology, Heidelberglaan 8, 3584 CS, Utrecht, the Netherlands; University of Cape Town, Department of Psychiatry and Mental Health, J-Block, Groote Schuur Hospital, Observatory, 7925, Cape Town, South Africa; University of Cape Town, Institute of Infectious Diseases and Molecular Medicine, Anzio Rd, Observatory, 7925, Cape Town, South Africa.
| | - Maaike M Kempes
- Netherlands Institute for Forensic Psychiatry and Psychology, Department of Science and Education, Herman Gorterstraat 5, 3511 EW, Utrecht, the Netherlands; Leiden University, Faculty of Social and Behavioural Sciences, Institute of Education and Child Studies, Wassenaarseweg 52, 2333 AK, Leiden, the Netherlands.
| | - Peter A Bos
- Leiden University, Faculty of Social and Behavioural Sciences, Institute of Education and Child Studies, Wassenaarseweg 52, 2333 AK, Leiden, the Netherlands.
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Hayashi H, Shimizu K, Nakamura K, Nishimori K, Kondo Y. The bilevel chamber revealed differential involvement of vasopressin and oxytocin receptors in female mouse sexual behavior. PLoS One 2024; 19:e0304703. [PMID: 38900750 PMCID: PMC11189176 DOI: 10.1371/journal.pone.0304703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 05/17/2024] [Indexed: 06/22/2024] Open
Abstract
Arginine vasopressin (AVP) and oxytocin (OT) are well-known as neuropeptides that regulate various social behaviors in mammals. However, little is known about their role in mouse female sexual behavior. Thus, we investigated the role of AVP (v1a and v1b) and OT receptors on female sexual behavior. First, we devised a new apparatus, the bilevel chamber, to accurately observe female mouse sexual behavior. This apparatus allowed for a more precisely measurement of lordosis as receptivity and rejection-like behavior (newly defined in this study), a reversed expression of proceptivity. To address our research question, we evaluated female sexual behavior in mice lacking v1a (aKO), v1b (bKO), both v1a and v1b (dKO), and OT (OTRKO) receptors. aKO females showed decreased rejection-like behavior but a normal level of lordosis, whereas bKO females showed almost no lordosis and no change in rejection-like behavior. In addition, dKO females showed normal lordosis levels, suggesting that the v1b receptor promotes lordosis, but not necessarily, while the v1a receptor latently suppresses it. In contrast, although OTRKO did not influence lordosis, it significantly increased rejection-like behavior. In summary, the present results demonstrated that the v1a receptor inhibits proceptivity and receptivity, whereas the v1b and OT receptors facilitate receptivity and proceptivity, respectively.
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Affiliation(s)
- Himeka Hayashi
- Department of Animal Sciences, Teikyo University of Science, Yamanashi, Japan
| | - Kie Shimizu
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Saitama, Japan
- Department of Pharmacology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Kazuaki Nakamura
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Saitama, Japan
- Department of Pharmacology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Katsuhiko Nishimori
- Department of Obesity and Internal Inflammation, Fukushima Medical University, Fukushima, Japan
| | - Yasuhiko Kondo
- Department of Animal Sciences, Teikyo University of Science, Yamanashi, Japan
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Hou W, Ma H, Huang C, Li Y, Li L, Zhang L, Qu Y, Xun Y, Yang Q, He Z, Tai F. Effects of paternal deprivation on empathetic behavior and the involvement of oxytocin receptors in the anterior cingulate cortex. Horm Behav 2024; 162:105536. [PMID: 38522143 DOI: 10.1016/j.yhbeh.2024.105536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 03/04/2024] [Accepted: 03/18/2024] [Indexed: 03/26/2024]
Abstract
Paternal deprivation (PD) impairs social cognition and sociality and increases levels of anxiety-like behavior. However, whether PD affects the levels of empathy in offspring and its underlying mechanisms remain unknown. The present study found that PD increased anxiety-like behavior in mandarin voles (Microtus mandarinus), impaired sociality, reduced the ability of emotional contagion, and the level of consolation behavior. Meanwhile, PD reduced OT neurons in the paraventricular nucleus (PVN) in both male and female mandarin voles. PD decreased the level of OT receptor (OTR) mRNA in the anterior cingulate cortex (ACC) of male and female mandarin voles. Besides, OTR overexpression in the ACC reversed the PD-induced changes in anxiety-like behavior, social preference, emotional contagion, and consolation behavior. Interference of OTR expression in the ACC increased levels of anxiety-like behaviors, while it reduced levels of sociality, emotional contagion, and consolation. These results revealed that the OTR in the ACC is involved in the effects of PD on empathetic behaviors, and provide mechanistic insight into how social experiences affect empathetic behaviors.
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Affiliation(s)
- Wenjuan Hou
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China; School of Environmental and Material Engineering, Yantai University, 264005, China
| | - Huan Ma
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Caihong Huang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yin Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Lu Li
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Lizi Zhang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yishan Qu
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yufeng Xun
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Qixuan Yang
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Zhixiong He
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China.
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China.
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Shivakumar AB, Mehak SF, Jijimon F, Gangadharan G. Extrahippocampal Contributions to Social Memory: The Role of Septal Nuclei. Biol Psychiatry 2024:S0006-3223(24)01287-3. [PMID: 38718881 DOI: 10.1016/j.biopsych.2024.04.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 03/22/2024] [Accepted: 04/22/2024] [Indexed: 06/16/2024]
Abstract
Social memory, the ability to recognize and remember individuals within a social group, is crucial for social interactions and relationships. Deficits in social memory have been linked to several neuropsychiatric and neurodegenerative disorders. The hippocampus, especially the circuit that links dorsal CA2 and ventral CA1 neurons, is considered a neural substrate for social memory formation. Recent studies have provided compelling evidence of extrahippocampal contributions to social memory. The septal nuclei, including the medial and lateral septum, make up a basal forebrain region that shares bidirectional neuronal connections with the hippocampus and has recently been identified as critical for social memory. The focus of our review is the neural circuit mechanisms that underlie social memory, with a special emphasis on the septum. We also discuss the social memory dysfunction associated with neuropsychiatric and neurodegenerative disorders.
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Affiliation(s)
- Apoorva Bettagere Shivakumar
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Sonam Fathima Mehak
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Feyba Jijimon
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Gireesh Gangadharan
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India.
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Almishri W, Altonsy MO, Swain MG. Cholestatic liver disease leads to significant adaptative changes in neural circuits regulating social behavior in mice to enhance sociability. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167100. [PMID: 38412926 DOI: 10.1016/j.bbadis.2024.167100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 02/29/2024]
Abstract
BACKGROUND & AIMS Cholestatic liver diseases (CLD) are commonly associated with behavioral changes, including social isolation, that negatively affects patient quality of life and remains unaltered by current therapies. It remains unclear whether CLD-associated social dysfunction stems from a direct effect on the brain, or from the psychological impact of CLD. The psychological component of disease is absent in animals, so we investigated the impact of CLD on social behavior and gene expression profiles in key social behavior-regulating brain regions in a mouse model. METHODS CLD due to bile duct ligation was used with the three-chamber sociability test for behavioral phenotyping. Differentially expressed gene (DEG) signatures were delineated in 3 key brain regions regulating social behavior using RNA-seq. Ingenuity Pathway Analysis (IPA®) was applied to streamline DEG data interpretation and integrate findings with social behavior-regulating pathways to identify important brain molecular networks and regulatory mechanisms disrupted in CLD. RESULTS CLD mice exhibited enhanced social interactive behavior and significantly altered gene expression in each of the three social behavior-regulating brain regions examined. DEG signatures in BDL mice were associated with key IPA®-identified social behavior-regulating pathways including Oxytocin in Brain Signaling, GABA Receptor Signaling, Dopamine Receptor Signaling, and Glutamate Receptor Signaling. CONCLUSIONS CLD causes complex alterations in gene expression profiles in key social behavior-regulating brain areas/pathways linked to enhanced social interactive behavior. These findings, if paralleled in CLD patients, suggest that CLD-associated reductions in social interactions predominantly relate to psychological impacts of disease and may inform new approaches to improve management.
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Affiliation(s)
- Wagdi Almishri
- Department of Medicine, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada
| | - Mohammed O Altonsy
- Department of Medicine, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada; Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Mark G Swain
- Department of Medicine, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada; University of Calgary Liver Unit, Division of Gastroenterology and Hepatology, Department of Medicine, University of Calgary, Calgary, AB, Canada.
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Moscovice LR, Sobczak B, Niittynen T, Koski SE, Gimsa U. Changes in salivary oxytocin in response to biologically-relevant events in farm animals: method optimization and usefulness as a biomarker. Front Physiol 2024; 15:1370557. [PMID: 38567114 PMCID: PMC10985263 DOI: 10.3389/fphys.2024.1370557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 02/21/2024] [Indexed: 04/04/2024] Open
Abstract
Although best known for its established role in mediating parturition and lactation, the highly-conserved neuropeptide hormone oxytocin also mediates a range of social and stress-buffering processes across mammalian species. Measurements of peripheral oxytocin in plasma have long been considered the gold standard, but there is increasing interest in developing methods to detect oxytocin non-invasively in saliva. Here we present an analytical and biological validation of a novel method to measure salivary oxytocin (sOXT) in an under-studied research group: farm animals. Given their similarities with humans in physiology and brain, methods that can identify valued social contexts and social relationships for farm animals and investigate their function have implications for clinical research as well as for animal welfare science. However, current methods to measure sOXT vary greatly in terms of sample collection, pre-measurement processing and measurement and more rigorous standardization and validation of methods is critical to determine the utility of sOXT as a biomarker of salient social events and related emotions. We optimized a method for extracting sOXT in pigs and horses and measured sOXT in extracted samples using a commercially available enzyme-immunoassay. Extracted samples were within acceptable ranges for precision (CVs < 15.2%), parallelism and recovery (94%-99%) in both species. Salivary oxytocin increased in samples collected during birth in pigs (Friedmans, p = 0.02) and horses (Wilcoxon, p = 0.02). Salivary oxytocin tended to decrease in sows after a 90-min separation from their piglets (Wilcoxon, p = 0.08). We conclude that sOXT can be reliably linked to physiological events that are mediated by the oxytocinergic system in farm animals, but that more research is needed to determine whether sOXT is a reliable trait marker for more general oxytocin system activation in response to salient social events. Future research should characterize how individual attributes and salivary parameters influence sOXT measurement and should emphasize reporting of analytical and biological validations to increase acceptance of non-invasive methods.
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Affiliation(s)
- Liza R. Moscovice
- Psychophysiology Working Group, Research Institute for Farm Animal Biology, Dummerstorf, Germany
| | - Birgit Sobczak
- Psychophysiology Working Group, Research Institute for Farm Animal Biology, Dummerstorf, Germany
| | - Taru Niittynen
- Organismal and Evolutionary Biology Research Programme, University of Helsinki, Helsinki, Finland
| | - Sonja E. Koski
- Organismal and Evolutionary Biology Research Programme, University of Helsinki, Helsinki, Finland
| | - Ulrike Gimsa
- Psychophysiology Working Group, Research Institute for Farm Animal Biology, Dummerstorf, Germany
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Nakajo M, Kanda S, Oka Y. Involvement of the kisspeptin system in regulation of sexual behaviors in medaka. iScience 2024; 27:108971. [PMID: 38333699 PMCID: PMC10850746 DOI: 10.1016/j.isci.2024.108971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 11/09/2023] [Accepted: 01/16/2024] [Indexed: 02/10/2024] Open
Abstract
In mammals, kisspeptin (Kiss1) neurons are generally considered as a sex steroid-dependent key regulator of hypothalamic-pituitary-gonadal (HPG) axis. In contrast, previous studies in non-mammalian species, especially in teleosts, propose that Kiss1 is not directly involved in the HPG axis regulation, which suggests some sex-steroid-dependent functions of kisspeptin(s) other than the HPG axis regulation in non-mammals. Here, we used knockout (KO) medaka of kisspeptin receptor-coding genes (gpr54-1 and gpr54-2) and examined possible roles of kisspeptin in the regulation of sexual behaviors. We found that the KO pairs of gpr54-1, but not gpr54-2, spawned fewer eggs and exhibited delayed spawning than wild type pairs. Detailed behavior analysis suggested that the KO females are responsible for the delayed spawning and that the KO males showed hyper-motivation for courtship. Taken together, the present finding suggests that one of the reproductive-state-dependent functions of the Kiss1 may be the control of successful sexual behaviors.
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Affiliation(s)
- Mikoto Nakajo
- Department of Physiology, Division of Life Sciences, Faculty of Medicine, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, Japan
| | - Shinji Kanda
- Laboratory of Physiology, Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Chiba, Japan
| | - Yoshitaka Oka
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Bunkyo, Tokyo, Japan
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8
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Breach MR, Akouri HE, Costantine S, Dodson CM, McGovern N, Lenz KM. Prenatal allergic inflammation in rats confers sex-specific alterations to oxytocin and vasopressin innervation in social brain regions. Horm Behav 2024; 157:105427. [PMID: 37743114 PMCID: PMC10842952 DOI: 10.1016/j.yhbeh.2023.105427] [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: 05/06/2023] [Revised: 08/30/2023] [Accepted: 09/12/2023] [Indexed: 09/26/2023]
Abstract
Prenatal exposure to inflammation via maternal infection, allergy, or autoimmunity increases one's risk for developing neurodevelopmental and psychiatric disorders. Many of these disorders are associated with altered social behavior, yet the mechanisms underlying inflammation-induced social impairment remain unknown. We previously found that a rat model of acute allergic maternal immune activation (MIA) produced deficits like those found in MIA-linked disorders, including impairments in juvenile social play behavior. The neuropeptides oxytocin (OT) and arginine vasopressin (AVP) regulate social behavior, including juvenile social play, across mammalian species. OT and AVP are also implicated in neuropsychiatric disorders characterized by social impairment, making them good candidate regulators of social deficits after MIA. We profiled how acute prenatal exposure to allergic MIA changed OT and AVP innervation in several brain regions important for social behavior in juvenile male and female rat offspring. We also assessed whether MIA altered additional behavioral phenotypes related to sociality and anxiety. We found that allergic MIA increased OT and AVP fiber immunoreactivity in the medial amygdala and had sex-specific effects in the nucleus accumbens, bed nucleus of the stria terminalis, and lateral hypothalamic area. We also found that MIA reduced ultrasonic vocalizations in neonates and increased the stereotypical nature of self-grooming behavior. Overall, these findings suggest that there may be sex-specific mechanisms underlying MIA-induced behavioral impairment and underscore OT and AVP as ideal candidates for future mechanistic studies.
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Affiliation(s)
- Michaela R Breach
- Neuroscience Graduate Program, The Ohio State University, Columbus, OH, USA
| | - Habib E Akouri
- Department of Psychology, The Ohio State University, Columbus, OH, USA
| | - Sophia Costantine
- Department of Neuroscience, The Ohio State University, Columbus, OH, USA
| | - Claire M Dodson
- Department of Psychology, The Ohio State University, Columbus, OH, USA
| | - Nolan McGovern
- Department of Psychology, The Ohio State University, Columbus, OH, USA
| | - Kathryn M Lenz
- Department of Psychology, The Ohio State University, Columbus, OH, USA; Department of Neuroscience, The Ohio State University, Columbus, OH, USA; Institute for Behavioral Medicine Research, The Ohio State University, Columbus, OH, USA.
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9
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John RM, Higgs MJ, Isles AR. Imprinted genes and the manipulation of parenting in mammals. Nat Rev Genet 2023; 24:783-796. [PMID: 37714957 DOI: 10.1038/s41576-023-00644-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2023] [Indexed: 09/17/2023]
Abstract
Genomic imprinting refers to the parent-of-origin expression of genes, which originates from epigenetic events in the mammalian germ line. The evolution of imprinting may reflect a conflict over resource allocation early in life, with silencing of paternal genes in offspring soliciting increased maternal provision and silencing of maternal genes limiting demands on the mother. Parental caregiving has been identified as an area of potential conflict, with several imprinted genes serendipitously found to directly influence the quality of maternal care. Recent systems biology approaches, based on single-cell RNA sequencing data, support a more deliberate relationship, which is reinforced by the finding that imprinted genes expressed in the offspring influence the quality of maternal caregiving. These bidirectional, reiterative relationships between parents and their offspring are critical both for short-term survival and for lifelong wellbeing, with clear implications for human health.
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10
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Zablocki-Thomas P, Lau A, Witczak L, Dufek M, Wright A, Savidge L, Paulus J, Baxter A, Karaskiewicz C, Seelke AMH, Freeman SM, Ferrer E, Bales KL. Intranasal oxytocin does not change partner preference in female titi monkeys (Plecturocebus cupreus), but intranasal vasopressin decreases it. J Neuroendocrinol 2023; 35:e13339. [PMID: 37705310 PMCID: PMC10957293 DOI: 10.1111/jne.13339] [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: 03/17/2023] [Revised: 08/15/2023] [Accepted: 08/28/2023] [Indexed: 09/15/2023]
Abstract
Strong social bonds are critical to human health; however, the mechanisms by which social bonds are formed and maintained are still being elucidated. The neurohormones oxytocin (OT) and vasopressin (AVP) are considered likely candidates. Primate females, both human and nonhuman, remain understudied populations. Here, we conducted a pharmacological study coupled with a behavioral partner preference test (PPT) to better understand the mechanistic basis of attachment in adult female titi monkeys (Plecturocebus cupreus). This pair-bonding species shares a conserved form of oxytocin with humans and is an excellent model organism to study the neural basis of social bonding. We performed intranasal administration of three doses of oxytocin (IN-OT), two doses of vasopressin (IN-AVP), one dose of an oxytocin antagonist (IN-OTA) and one dose of a saline treatment. We found that compared to the saline control, the IN-AVP treatment (lower dose, 40 IU/kg) decreased the time spent in proximity to the partner and increased lip-smacking toward the stranger. We found no effects of IN-OT or IN-OTA manipulation on partner preference. In contrast, low-dose IN-AVP weakened the partner preference in female titi monkeys.
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Affiliation(s)
| | - Allison Lau
- California National Primate Research Center, Davis, CA
- Graduate Group in Animal Behavior, University of California, Davis, CA
| | - Lynea Witczak
- California National Primate Research Center, Davis, CA
- Department of Psychology, University of California, Davis, CA
| | - Madison Dufek
- California National Primate Research Center, Davis, CA
| | - Amber Wright
- California National Primate Research Center, Davis, CA
| | - Logan Savidge
- California National Primate Research Center, Davis, CA
- Department of Psychology, University of California, Davis, CA
| | - John Paulus
- California National Primate Research Center, Davis, CA
- Graduate Group in Neuroscience, University of California, Davis, CA
| | - Alexander Baxter
- California National Primate Research Center, Davis, CA
- Department of Psychology, University of California, Davis, CA
| | - Chloe Karaskiewicz
- California National Primate Research Center, Davis, CA
- Department of Psychology, University of California, Davis, CA
| | - Adele M. H. Seelke
- Department of Neurobiology, Physiology, and Behavior, University of California, Davis, CA
| | - Sara M. Freeman
- California National Primate Research Center, Davis, CA
- Department of Biology, Utah State University, Logan, UT
| | - Emilio Ferrer
- Department of Neurobiology, Physiology, and Behavior, University of California, Davis, CA
| | - Karen L. Bales
- California National Primate Research Center, Davis, CA
- Department of Psychology, University of California, Davis, CA
- Department of Neurobiology, Physiology, and Behavior, University of California, Davis, CA
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11
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Kareklas K, Teles MC, Nunes AR, Oliveira RF. Social zebrafish: Danio rerio as an emerging model in social neuroendocrinology. J Neuroendocrinol 2023; 35:e13280. [PMID: 37165563 DOI: 10.1111/jne.13280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 05/12/2023]
Abstract
The fitness benefits of social life depend on the ability of animals to affiliate with others and form groups, on dominance hierarchies within groups that determine resource distribution, and on cognitive capacities for recognition, learning and information transfer. The evolution of these phenotypes is coupled with that of neuroendocrine mechanisms, but the causal link between the two remains underexplored. Growing evidence from our research group and others demonstrates that the tools available in zebrafish, Danio rerio, can markedly facilitate progress in this field. Here, we review this evidence and provide a synthesis of the state-of-the-art in this model system. We discuss the involvement of generalized motivation and cognitive components, neuroplasticity and functional connectivity across social decision-making brain areas, and how these are modulated chiefly by the oxytocin-vasopressin neuroendocrine system, but also by reward-pathway monoamine signaling and the effects of sex-hormones and stress physiology.
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Affiliation(s)
| | - Magda C Teles
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
- ISPA-Instituto Universitário, Lisbon, Portugal
| | | | - Rui F Oliveira
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
- ISPA-Instituto Universitário, Lisbon, Portugal
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12
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Gryksa K, Schmidtner AK, Masís-Calvo M, Rodríguez-Villagra OA, Havasi A, Wirobski G, Maloumby R, Jägle H, Bosch OJ, Slattery DA, Neumann ID. Selective breeding of rats for high (HAB) and low (LAB) anxiety-related behaviour: A unique model for comorbid depression and social dysfunctions. Neurosci Biobehav Rev 2023; 152:105292. [PMID: 37353047 DOI: 10.1016/j.neubiorev.2023.105292] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 06/13/2023] [Accepted: 06/19/2023] [Indexed: 06/25/2023]
Abstract
Animal models of selective breeding for extremes in emotionality are a strong experimental approach to model psychopathologies. They became indispensable in order to increase our understanding of neurobiological, genetic, epigenetic, hormonal, and environmental mechanisms contributing to anxiety disorders and their association with depressive symptoms or social deficits. In the present review, we extensively discuss Wistar rats selectively bred for high (HAB) and low (LAB) anxiety-related behaviour on the elevated plus-maze. After 30 years of breeding, we can confirm the prominent differences between HAB and LAB rats in trait anxiety, which are accompanied by consistent differences in depressive-like, social and cognitive behaviours. We can further confirm a single nucleotide polymorphism in the vasopressin promotor of HAB rats causative for neuropeptide overexpression, and show that low (or high) anxiety and fear levels are unlikely due to visual dysfunctions. Thus, HAB and LAB rats continue to exist as a reliable tool to study the multiple facets underlying the pathology of high trait anxiety and its comorbidity with depression-like behaviour and social dysfunctions.
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Affiliation(s)
- Katharina Gryksa
- Department of Behavioural and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany.
| | - Anna K Schmidtner
- Department of Behavioural and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany.
| | - Marianella Masís-Calvo
- Department of Behavioural and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany.
| | - Odir A Rodríguez-Villagra
- Centro de Investigación en Neurosciencias, Universidad de Costa Rica, San Pedro, San José, Costa Rica.
| | - Andrea Havasi
- Department of Behavioural and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany.
| | - Gwendolyn Wirobski
- Department of Behavioural and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany.
| | - Rodrigue Maloumby
- Department of Behavioural and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany.
| | - Herbert Jägle
- Department of Ophthalmology, University Hospital of Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany.
| | - Oliver J Bosch
- Department of Behavioural and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany.
| | - David A Slattery
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt, Heinrich-Hoffmann-Straße 10, 60528 Frankfurt am Main, Germany.
| | - Inga D Neumann
- Department of Behavioural and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany.
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13
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Deng G, Ai H, Qin L, Xu J, Feng C, Xu P. Dissociated modulations of intranasal vasopressin on prosocial learning between reward-seeking and punishment-avoidance. Psychol Med 2023; 53:5415-5427. [PMID: 35983609 DOI: 10.1017/s0033291722002483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND As an integral ingredient of human sociality, prosocial behavior requires learning what acts can benefit or harm others. However, it remains unknown how individuals adjust prosocial learning to avoid punishment or to pursue reward. Given that arginine vasopressin (AVP) is a neuropeptide that has been involved in modulating various social behaviors in mammals, it could be a crucial neurochemical facilitator that supports prosocial learning. METHODS In 50 placebo controls and 54 participants with AVP administration, we examined the modulation of AVP on the prosocial learning characterized by reward and punishment framework, as well as its underlying neurocomputational mechanisms combining computational modeling, event-related potentials and oscillations. RESULTS We found a self-bias that individuals learn to avoid punishment asymmetrically more severely than reward-seeking. Importantly, AVP increased behavioral performances and learning rates when making decisions to avoid losses for others and to obtain gains for self. These behavioral effects were underpinned by larger responses of stimulus-preceding negativity (SPN) to anticipation, as well as higher punishment-related feedback-related negativity (FRN) for prosocial learning and reward-related P300 for proself benefits, while FRN and P300 neural processes were integrated into theta (4-7 Hz) oscillation at the outcome evaluation stage. CONCLUSIONS These results suggest that AVP context-dependently up-regulates altruism for concerning others' losses and reward-seeking for self-oriented benefits. Our findings provide insight into the selectively modulatory roles of AVP in prosocial behaviors depending on learning contexts between proself reward-seeking and prosocial punishment-avoidance.
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Affiliation(s)
- Guangzhi Deng
- Beijing Key Laboratory of Applied Experimental Psychology, National Demonstration Center for Experimental Psychology Education (BNU), Faculty of Psychology, Beijing Normal University, Beijing, China
| | - Hui Ai
- Shenzhen Key Laboratory of Affective and Social Neuroscience, Magnetic Resonance Imaging Center, Center for Brain Disorders and Cognitive Sciences, Shenzhen University, Shenzhen, China
| | - Lili Qin
- Shenzhen Key Laboratory of Affective and Social Neuroscience, Magnetic Resonance Imaging Center, Center for Brain Disorders and Cognitive Sciences, Shenzhen University, Shenzhen, China
| | - Jie Xu
- Shenzhen Key Laboratory of Affective and Social Neuroscience, Magnetic Resonance Imaging Center, Center for Brain Disorders and Cognitive Sciences, Shenzhen University, Shenzhen, China
| | - Chunliang Feng
- Key Laboratory of Brain, Cognition and Education Sciences, Ministry of Education (South China Normal University), Guangzhou, China
- School of Psychology, Center for Studies of Psychological Application, Guangdong Key Laboratory of Mental Health and Cognitive Science, South China Normal University, Guangzhou, China
| | - Pengfei Xu
- Beijing Key Laboratory of Applied Experimental Psychology, National Demonstration Center for Experimental Psychology Education (BNU), Faculty of Psychology, Beijing Normal University, Beijing, China
- Center for Emotion and Brain, Shenzhen Institute of Neuroscience, Shenzhen, China
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14
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Bagosi Z, Megyesi K, Ayman J, Rudersdorf H, Ayaz MK, Csabafi K. The Role of Corticotropin-Releasing Factor (CRF) and CRF-Related Peptides in the Social Behavior of Rodents. Biomedicines 2023; 11:2217. [PMID: 37626714 PMCID: PMC10452353 DOI: 10.3390/biomedicines11082217] [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: 07/13/2023] [Revised: 08/02/2023] [Accepted: 08/05/2023] [Indexed: 08/27/2023] Open
Abstract
Since the corticotropin-releasing factor (CRF) was isolated from an ovine brain, a growing family of CRF-related peptides has been discovered. Today, the mammalian CRF system consists of four ligands (CRF, urocortin 1 (Ucn1), urocortin 2 (Ucn2), and urocortin 3 (Ucn3)); two receptors (CRF receptor type 1 (CRF1) and CRF receptor type 2 (CRF2)); and a CRF-binding protein (CRF-BP). Besides the regulation of the neuroendocrine, autonomic, and behavioral responses to stress, CRF and CRF-related peptides are also involved in different aspects of social behavior. In the present study, we review the experiments that investigated the role of CRF and the urocortins involved in the social behavior of rats, mice, and voles, with a special focus on sociability and preference for social novelty, as well as the ability for social recognition, discrimination, and memory. In general, these experiments demonstrate that CRF, Ucn1, Ucn2, and Ucn3 play important, but distinct roles in the social behavior of rodents, and that they are mediated by CRF1 and/or CRF2. In addition, we suggest the possible brain regions and pathways that express CRF and CRF-related peptides and that might be involved in social interactions. Furthermore, we also emphasize the differences between the species, strains, and sexes that make translation of these roles from rodents to humans difficult.
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Affiliation(s)
- Zsolt Bagosi
- Department of Pathophysiology, Albert Szent-Györgyi School of Medicine, University of Szeged, 6720 Szeged, Hungary; (H.R.); (M.K.A.); (K.C.)
| | - Kíra Megyesi
- Interdisciplinary Center for Excellence, Clinical Research Competence Center, Albert Szent-Györgyi School of Medicine, University of Szeged, 6720 Szeged, Hungary;
| | - Jázmin Ayman
- Department of Obstetrics and Gynecology, Albert Szent-Györgyi Albert School of Medicine, University of Szeged, 6720 Szeged, Hungary;
| | - Hanna Rudersdorf
- Department of Pathophysiology, Albert Szent-Györgyi School of Medicine, University of Szeged, 6720 Szeged, Hungary; (H.R.); (M.K.A.); (K.C.)
| | - Maieda Khan Ayaz
- Department of Pathophysiology, Albert Szent-Györgyi School of Medicine, University of Szeged, 6720 Szeged, Hungary; (H.R.); (M.K.A.); (K.C.)
| | - Krisztina Csabafi
- Department of Pathophysiology, Albert Szent-Györgyi School of Medicine, University of Szeged, 6720 Szeged, Hungary; (H.R.); (M.K.A.); (K.C.)
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15
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Carter CS. Close encounters with oxytocin. COMPREHENSIVE PSYCHONEUROENDOCRINOLOGY 2023; 15:100189. [PMID: 37577297 PMCID: PMC10422098 DOI: 10.1016/j.cpnec.2023.100189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 08/15/2023] Open
Abstract
The purpose of this narrative review is to use a personal perspective to describe unanticipated and pivotal findings that drew the author into the study oxytocin. Oxytocin was originally described as a "female reproductive hormone." However, supporting reproduction is only one of a myriad of functions now attributed to oxytocin. Oxytocin promotes survival and resilience in both sexes and across the lifespan, especially in the context of stress or trauma and helps to explain the health benefits of relationships. Oxytocin works in the context of individual histories and in conjunction with other molecules, as well as the autonomic nervous system and immune factors. The chemical properties of oxytocin make it biologically active, but difficult to measure. As a deeper understanding of the biology of oxytocin is emerging, we may use knowledge of the properties of oxytocin to uncover adaptive strategies that protect and heal in the face of stress and adversity in both males and females.
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Affiliation(s)
- C. Sue Carter
- Kinsey Institute, Indiana University, Bloomington, IN, USA
- Department of Psychology, University of Virginia, Charlotteville, VA, USA
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16
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Rigney N, de Vries GJ, Petrulis A. Sex differences in afferents and efferents of vasopressin neurons of the bed nucleus of the stria terminalis and medial amygdala in mice. Horm Behav 2023; 154:105407. [PMID: 37523807 PMCID: PMC10529859 DOI: 10.1016/j.yhbeh.2023.105407] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/30/2023] [Accepted: 07/14/2023] [Indexed: 08/02/2023]
Abstract
Steroid-sensitive vasopressin (AVP) neurons in the bed nucleus of the stria terminalis (BNST) and medial amygdala (MeA) have been implicated in the control of social behavior, but the connectional architecture of these cells is not well understood. Here we used a modified rabies virus (RV) approach to identify cells that provide monosynaptic input to BNST and MeA AVP cells, and an adeno-associated viral (AAV) anterograde tracer strategy to map the outputs of these cells. Although the location of in- and outputs of these cells generally overlap, we observed several sex differences with differences in density of outputs typically favoring males, but the direction of sex differences in inputs vary based on their location. Moreover, the AVP cells located in both the BNST and MeA are in direct contact with each other suggesting that AVP cells in these two regions act in a coordinated manner, and possibly differently by sex. This study represents the first comprehensive mapping of the sexually dimorphic and steroid-sensitive AVP neurons in the mouse brain.
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17
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Taylor JH, Campbell NS, Powell JM, Elliott Albers H, Kelly AM. Distribution of Vasopressin 1a and Oxytocin Receptor Binding in the Basal Forebrain and Midbrain of Male and Female Mongolian Gerbils. Neuroscience 2023; 522:33-41. [PMID: 37172688 PMCID: PMC10330636 DOI: 10.1016/j.neuroscience.2023.05.004] [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: 03/24/2023] [Revised: 04/26/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023]
Abstract
The nonapeptide system modulates a diversity of social behaviors, including aggression, parental care, affiliation, sexual behavior, and pair bonding. Such social behaviors are regulated through oxytocin and vasopressin activation of the oxytocin receptor (OXTR) and vasopressin V1a receptor (AVPR1A) in the brain. Nonapeptide receptor distributions have been mapped for several species, however, studies have demonstrated that there is substantial variation across species. Mongolian gerbils (Meriones unguiculatus) are an excellent organism for studying family dynamics, social development, pair bonding, and territorial aggression. Although an increasing number of studies are examining the neural mechanisms of social behavior in Mongolian gerbils, nonapeptide receptor distributions have yet to be characterized for this species. Here we conducted receptor autoradiography to map distributions of OXTR and AVPR1A binding throughout the basal forebrain and midbrain of female and male Mongolian gerbils. Further, we assessed whether gonadal sex influenced binding densities in brain regions important for social behavior and reward, however, we observed no effects of sex on OXTR or AVPR1A binding densities. These findings provide mapping distributions of nonapeptide receptors in male and female Mongolian gerbils, laying a foundation for future studies that seek to manipulate the nonapeptide system to examine nonapeptide-mediated social behavior.
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Affiliation(s)
- Jack H Taylor
- Neuroscience Institute, Georgia State University, Atlanta, GA, USA; Center for Behavioral Neuroscience, Atlanta, GA, USA
| | - Noah S Campbell
- Neuroscience Institute, Georgia State University, Atlanta, GA, USA; Center for Behavioral Neuroscience, Atlanta, GA, USA
| | - Jeanne M Powell
- Department of Psychology, Emory University, Atlanta, GA, USA
| | - H Elliott Albers
- Neuroscience Institute, Georgia State University, Atlanta, GA, USA; Center for Behavioral Neuroscience, Atlanta, GA, USA
| | - Aubrey M Kelly
- Department of Psychology, Emory University, Atlanta, GA, USA.
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18
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Tarsha MS, Narvaez D. The evolved nest, oxytocin functioning, and prosocial development. Front Psychol 2023; 14:1113944. [PMID: 37425179 PMCID: PMC10323226 DOI: 10.3389/fpsyg.2023.1113944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 05/16/2023] [Indexed: 07/11/2023] Open
Abstract
Prosociality, orientation to attuned, empathic relationships, is built from the ground up, through supportive care in early life that fosters healthy neurobiological structures that shape behavior. Numerous social and environmental factors within early life have been identified as critical variables influencing child physiological and psychological outcomes indicating a growing need to synthesize which factors are the most influential. To address this gap, we examined the influence of early life experiences according to the evolved developmental niche or evolved nest and its influence on child neurobiological and sociomoral outcomes, specifically, the oxytocinergic system and prosociality, respectively. To-date, this is the first review to utilize the evolved nest framework as an investigatory lens to probe connections between early life experience and child neurobiological and sociomoral outcomes. The evolved nest is comprised of characteristics over 30 million years old and is organized to meet a child's basic needs as they mature. Converging evidence indicates that humanity's evolved nest meets the needs of a rapidly developing brain, optimizing normal development. The evolved nest for young children includes soothing perinatal experiences, breastfeeding, positive touch, responsive care, multiple allomothers, self-directed play, social embeddedness, and nature immersion. We examined what is known about the effects of each evolved nest component on oxytocinergic functioning, a critical neurobiological building block for pro-sociomorality. We also examined the effects of the evolved nest on prosociality generally. We reviewed empirical studies from human and animal research, meta-analyses and theoretical articles. The review suggests that evolved nest components influence oxytocinergic functioning in parents and children and help form the foundations for prosociality. Future research and policy should consider the importance of the first years of life in programming the neuroendocrine system that undergirds wellbeing and prosociality. Complex, interaction effects among evolved nest components as well as among physiological and sociomoral processes need to be studied. The most sensible framework for examining what builds and enhances prosociality may be the millions-year-old evolved nest.
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19
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Morel C, Martinez Sanchez I, Cherifi Y, Chartrel N, Diaz Heijtz R. Perturbation of maternal gut microbiota in mice during a critical perinatal window influences early neurobehavioral outcomes in offspring. Neuropharmacology 2023; 229:109479. [PMID: 36870672 DOI: 10.1016/j.neuropharm.2023.109479] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/20/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023]
Abstract
The gut microbiota is increasingly recognized as a key environmental factor that shapes host development and physiology, including neural circuits formation and function. Concurrently, there has been growing concern that early-life antibiotic exposure may alter brain developmental trajectories, increasing the risk for neurodevelopmental disorders such as autism spectrum disorder (ASD). Here, we assessed whether perturbation of the maternal gut microbiota in mice during a narrow critical perinatal window (last week of pregnancy and first three postnatal days), induced by exposure to a commonly used broad-spectrum oral antibiotic (ampicillin), influences offspring neurobehavioral outcomes relevant to ASD. Our results demonstrate that neonatal offspring from antibiotic-treated dams display an altered pattern of ultrasonic communication, which was more pronounced in males. Moreover, juvenile male, but not female, offspring from antibiotic-treated dams showed reduced social motivation and social interaction, as well as context-dependent anxiety-like behavior. However, no changes were observed in locomotor or exploratory activity. This behavioral phenotype of exposed juvenile males was associated with reduced gene expression of the oxytocin receptor (OXTR) and several tight-junction proteins in the prefrontal cortex, a key region involved in the regulation of social and emotional behaviors, as well as a mild inflammatory response in the colon. Further, juvenile offspring from exposed dams also showed distinct alterations in several gut bacterial species, including, Lactobacillus murinus, and Parabacteroides goldsteinii. Overall, this study highlights the importance of the maternal microbiome in early-life, and how its perturbation by a widely used antibiotic could contribute to atypical social and emotional development of offspring in a sex-dependent manner.
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Affiliation(s)
- Cassandre Morel
- Department of Neuroscience, Karolinska Institutet, 171 77, Stockholm, Sweden; University of Rouen Normandy, INSERM, NorDIC, UMR, 1239, F-76000, Rouen, France
| | | | - Yamina Cherifi
- University of Rouen Normandy, INSERM, NorDIC, UMR, 1239, F-76000, Rouen, France
| | - Nicolas Chartrel
- University of Rouen Normandy, INSERM, NorDIC, UMR, 1239, F-76000, Rouen, France
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20
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Powell JM, Inoue K, Wallace KJ, Seifert AW, Young LJ, Kelly AM. Distribution of vasopressin 1a and oxytocin receptor protein and mRNA in the basal forebrain and midbrain of the spiny mouse (Acomys cahirinus). Brain Struct Funct 2023; 228:413-431. [PMID: 36271259 PMCID: PMC9974677 DOI: 10.1007/s00429-022-02581-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/07/2022] [Indexed: 01/25/2023]
Abstract
The nonapeptide system modulates numerous social behaviors through oxytocin and vasopressin activation of the oxytocin receptor (OXTR) and vasopressin receptor (AVPR1A) in the brain. OXTRs and AVPR1As are widely distributed throughout the brain and binding densities exhibit substantial variation within and across species. Although OXTR and AVPR1A binding distributions have been mapped for several rodents, this system has yet to be characterized in the spiny mouse (Acomys cahirinus). Here we conducted receptor autoradiography and in situ hybridization to map distributions of OXTR and AVPR1A binding and Oxtr and Avpr1a mRNA expression throughout the basal forebrain and midbrain of male and female spiny mice. We found that nonapeptide receptor mRNA is diffuse throughout the forebrain and midbrain and does not always align with OXTR and AVPR1A binding. Analyses of sex differences in brain regions involved in social behavior and reward revealed that males exhibit higher OXTR binding densities in the lateral septum, bed nucleus of the stria terminalis, and anterior hypothalamus. However, no association with gonadal sex was observed for AVPR1A binding. Hierarchical clustering analysis further revealed that co-expression patterns of OXTR and AVPR1A binding across brain regions involved in social behavior and reward differ between males and females. These findings provide mapping distributions and sex differences in nonapeptide receptors in spiny mice. Spiny mice are an excellent organism for studying grouping behaviors such as cooperation and prosociality, and the nonapeptide receptor mapping here can inform the study of nonapeptide-mediated behavior in a highly social, large group-living rodent.
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Affiliation(s)
- Jeanne M Powell
- Department of Psychology, Emory University, 36 Eagle Row, Atlanta, GA, 30322, USA
| | - Kiyoshi Inoue
- Center for Translational Social Neuroscience, Emory University, Atlanta, GA, 30329, USA
- Emory National Primate Research Center, Emory University, Atlanta, GA, 30329, USA
| | - Kelly J Wallace
- Department of Psychology, Emory University, 36 Eagle Row, Atlanta, GA, 30322, USA
| | - Ashley W Seifert
- Department of Biology, University of Kentucky, 101 Morgan Building, Lexington, KY, 40506, USA
| | - Larry J Young
- Center for Translational Social Neuroscience, Emory University, Atlanta, GA, 30329, USA
- Emory National Primate Research Center, Emory University, Atlanta, GA, 30329, USA
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Aubrey M Kelly
- Department of Psychology, Emory University, 36 Eagle Row, Atlanta, GA, 30322, USA.
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21
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Caria A. A Hypothalamic Perspective of Human Socioemotional Behavior. Neuroscientist 2023:10738584221149647. [PMID: 36703298 DOI: 10.1177/10738584221149647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Historical evidence from stimulation and lesion studies in animals and humans demonstrated a close association between the hypothalamus and typical and atypical socioemotional behavior. A central hypothalamic contribution to regulation of socioemotional responses was also provided indirectly by studies on oxytocin and arginine vasopressin. However, a limited number of studies have so far directly investigated the contribution of the hypothalamus in human socioemotional behavior. To reconsider the functional role of the evolutionarily conserved hypothalamic region in regulating human social behavior, here I provide a synthesis of neuroimaging investigations showing that the hypothalamus is involved in multiple and diverse facets of human socioemotional behavior through widespread functional interactions with other cortical and subcortical regions. These neuroimaging findings are then integrated with recent optogenetics studies in animals demonstrating that the hypothalamus plays a more active role in eliciting socioemotional responses and is not simply a downstream effector of higher-level brain systems. Building on the aforementioned evidence, the hypothalamus is argued to substantially contribute to a continuum of human socioemotional behaviors promoting survival and preservation of the species that extends from exploratory and approaching responses facilitating social bonding to aggressive and avoidance responses aimed to protect and defend formed relationships.
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Affiliation(s)
- Andrea Caria
- Department of Psychology and Cognitive Sciences, University of Trento, Rovereto, Italy
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22
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Bous J, Fouillen A, Orcel H, Granier S, Bron P, Mouillac B. Structures of the arginine-vasopressin and oxytocin receptor signaling complexes. VITAMINS AND HORMONES 2023; 123:67-107. [PMID: 37718002 DOI: 10.1016/bs.vh.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Arginine-vasopressin (AVP) and oxytocin (OT) are neurohypophysial hormones which share a high sequence and structure homology. These are two cyclic C-terminally amidated nonapeptides with different residues at position 3 and 8. In mammals, AVP and OT exert their multiple biological functions through a specific G protein-coupled receptor family: four receptors are identified, the V1a, V1b, V2 receptors (V1aR, V1bR and V2R) and the OT receptor (OTR). The chemical structure of AVP and OT was elucidated in the early 1950s. Thanks to X-ray crystallography and cryo-electron microscopy, it took however 70 additional years to determine the three-dimensional structures of the OTR and the V2R in complex with their natural agonist ligands and with different signaling partners, G proteins and β-arrestins. Today, the comparison of the different AVP/OT receptor structures gives structural insights into their orthosteric ligand binding pocket, their molecular mechanisms of activation, and their interfaces with canonical Gs, Gq and β-arrestin proteins. It also paves the way to future rational drug design and therapeutic compound development. Indeed, agonist, antagonist, biased agonist, or pharmacological chaperone analogues of AVP and OT are promising candidates to regulate different physiological functions and treat several pathologies.
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Affiliation(s)
- Julien Bous
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France; CBS (Centre de Biologie Structurale), Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Aurélien Fouillen
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France; CBS (Centre de Biologie Structurale), Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Hélène Orcel
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Sébastien Granier
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Patrick Bron
- CBS (Centre de Biologie Structurale), Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Bernard Mouillac
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France.
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23
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Martin JS, Jaeggi AV, Koski SE. The social evolution of individual differences: Future directions for a comparative science of personality in social behavior. Neurosci Biobehav Rev 2023; 144:104980. [PMID: 36463970 DOI: 10.1016/j.neubiorev.2022.104980] [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: 08/05/2022] [Revised: 11/21/2022] [Accepted: 11/29/2022] [Indexed: 12/05/2022]
Abstract
Personality is essential for understanding the evolution of cooperation and conflict in behavior. However, personality science remains disconnected from the field of social evolution, limiting our ability to explain how personality and plasticity shape phenotypic adaptation in social behavior. Researchers also lack an integrative framework for comparing personality in the contextualized and multifaceted behaviors central to social interactions among humans and other animals. Here we address these challenges by developing a social evolutionary approach to personality, synthesizing theory, methods, and organizing questions in the study of individuality and sociality in behavior. We critically review current measurement practices and introduce social reaction norm models for comparative research on the evolution of personality in social environments. These models demonstrate that social plasticity affects the heritable variance of personality, and that individual differences in social plasticity can further modify the rate and direction of adaptive social evolution. Future empirical studies of frequency- and density-dependent social selection on personality are crucial for further developing this framework and testing adaptive theory of social niche specialization.
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Affiliation(s)
- Jordan S Martin
- Human Ecology Group, Institute of Evolutionary Medicine, University of Zurich, Switzerland.
| | - Adrian V Jaeggi
- Human Ecology Group, Institute of Evolutionary Medicine, University of Zurich, Switzerland.
| | - Sonja E Koski
- Organismal and Evolutionary Biology, University of Helsinki, Finland.
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Moon AL, Clifton NE, Wellard N, Thomas KL, Hall J, Brydges NM. Social interaction following prepubertal stress alters prefrontal gene expression associated with cell signalling and oligodendrocytes. Transl Psychiatry 2022; 12:516. [PMID: 36526621 PMCID: PMC9758144 DOI: 10.1038/s41398-022-02280-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 11/18/2022] [Accepted: 12/02/2022] [Indexed: 12/23/2022] Open
Abstract
Early-life adversity is associated with an increased risk of psychopathology, including mood disorders, later in life. Early-life stress affects several physiological systems, however, the exact mechanisms underlying pathological risk are not fully understood. This knowledge is crucial in developing appropriate therapeutic interventions. The prepubertal period is documented as a key developmental period for the maturation of the prefrontal cortex (PFC), a brain region involved in higher cognitive functions, including social function. In this study, we performed RNA sequencing on the PFC of adult rats who had experienced prepubertal stress (PPS) and controls to investigate the genome-wide consequences of this stress. PPS alters social behaviour in adulthood, therefore we also performed RNA sequencing on PPS and control rats following a social interaction test to determine social activity-dependent gene changes. At a baseline state (1 week following a social interaction test), no genes were differentially expressed in the PPS group. However, 1603 genes were differentially expressed in PPS rats compared to controls following a social interaction. These genes were enriched in biological pathways associated with cell signalling and axon myelination dynamics. Cell enrichment analysis showed these genes were associated with oligodendrocytes, and a comparison with an existing early-life stress sequencing dataset showed that pathways linked to oligodendrocyte morphology are impacted in a range of models of early-life stress in rodents. In conclusion, we identify pathways, including those involved in axon myelination, that are differentially activated in the adult in response to social stimulation following PPS. These differential responses may contribute to vulnerability to psychiatric pathology.
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Affiliation(s)
- Anna L Moon
- Neuroscience and Mental Health Research Institute, Cardiff University, Hadyn Ellis Building, Maindy Road, Cardiff, CF24 4HQ, UK
| | - Nicholas E Clifton
- Neuroscience and Mental Health Research Institute, Cardiff University, Hadyn Ellis Building, Maindy Road, Cardiff, CF24 4HQ, UK.,MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Hadyn Ellis Building, Maindy Road, Cardiff, CF24 4HQ, UK
| | - Natalie Wellard
- Neuroscience and Mental Health Research Institute, Cardiff University, Hadyn Ellis Building, Maindy Road, Cardiff, CF24 4HQ, UK
| | - Kerrie L Thomas
- Neuroscience and Mental Health Research Institute, Cardiff University, Hadyn Ellis Building, Maindy Road, Cardiff, CF24 4HQ, UK.,School of Biosciences, Cardiff University, Museum Avenue, Cardiff, CF10 3AX, UK
| | - Jeremy Hall
- Neuroscience and Mental Health Research Institute, Cardiff University, Hadyn Ellis Building, Maindy Road, Cardiff, CF24 4HQ, UK.,MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Hadyn Ellis Building, Maindy Road, Cardiff, CF24 4HQ, UK
| | - Nichola M Brydges
- Neuroscience and Mental Health Research Institute, Cardiff University, Hadyn Ellis Building, Maindy Road, Cardiff, CF24 4HQ, UK.
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Kawata M, Kodani Y, Ohkuma M, Miyachi EI, Kaneko YS, Nakashima A, Suga H, Kameyama T, Saito K, Nagasaki H. Long-range axonal projections of transplanted mouse embryonic stem cell-derived hypothalamic neurons into adult mouse brain. PLoS One 2022; 17:e0276694. [PMID: 36356043 PMCID: PMC9648832 DOI: 10.1371/journal.pone.0276694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 10/11/2022] [Indexed: 11/12/2022] Open
Abstract
The hypothalamus is comprised of heterogenous cell populations and includes highly complex neural circuits that regulate the autonomic nerve system. Its dysfunction therefore results in severe endocrine disorders. Although recent experiments have been conducted for in vitro organogenesis of hypothalamic neurons from embryonic stem (ES) or induced pluripotent stem (iPS) cells, whether these stem cell-derived hypothalamic neurons can be useful for regenerative medicine remains unclear. We therefore performed orthotopic transplantation of mouse ES cell (mESC)-derived hypothalamic neurons into adult mouse brains. We generated electrophysiologically functional hypothalamic neurons from mESCs and transplanted them into the supraoptic nucleus of mice. Grafts extended their axons along hypothalamic nerve bundles in host brain, and some of them even projected into the posterior pituitary (PPit), which consists of distal axons of the magnocellular neurons located in hypothalamic supraoptic and paraventricular nuclei. The axonal projections to the PPit were not observed when the mESC-derived hypothalamic neurons were ectopically transplanted into the substantia nigra reticular part. These findings suggest that our stem cell-based orthotopic transplantation approach might contribute to the establishment of regenerative medicine for hypothalamic and pituitary disorders.
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Affiliation(s)
- Miho Kawata
- Department of Physiology I, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Yu Kodani
- Department of Physiology I, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Mahito Ohkuma
- Department of Physiology II, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Ei-ichi Miyachi
- Department of Physiology II, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
- Department of Health and Nutrition, Faculty of Health and Science, Nagoya Women’s University, Nagoya, Aichi, Japan
| | - Yoko S. Kaneko
- Department of Physiology I, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
- Biochemistry and Molecular Cell Biology, Faculty of Pharmacy, Gifu University of Medical Science, Kani, Gifu, Japan
| | - Akira Nakashima
- Department of Physiological Chemistry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Hidetaka Suga
- Department of Endocrinology and Diabetes, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Toshiki Kameyama
- Department of Physiology I, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Kanako Saito
- Department of Physiology I, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Hiroshi Nagasaki
- Department of Physiology I, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
- * E-mail:
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The live biotherapeutic Blautia stercoris MRx0006 attenuates social deficits, repetitive behaviour, and anxiety-like behaviour in a mouse model relevant to autism. Brain Behav Immun 2022; 106:115-126. [PMID: 35995237 DOI: 10.1016/j.bbi.2022.08.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 07/27/2022] [Accepted: 08/13/2022] [Indexed: 12/14/2022] Open
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterised by deficits in social behaviour, increased repetitive behaviour, anxiety and gastrointestinal symptoms. The aetiology of ASD is complex and involves an interplay of genetic and environmental factors. Emerging pre-clinical and clinical studies have documented a potential role for the gut microbiome in ASD, and consequently, the microbiota represents a potential target in the development of novel therapeutics for this neurodevelopmental disorder. In this study, we investigate the efficacy of the live biotherapeutic strain, Blautia stercoris MRx0006, in attenuating some of the behavioural deficits in the autism-relevant, genetic mouse model, BTBR T+ Itpr3tf/J (BTBR). We demonstrate that daily oral administration with MRx0006 attenuates social deficits while also decreasing repetitive and anxiety-like behaviour. MRx0006 administration increases the gene expression of oxytocin and its receptor in hypothalamic cells in vitro and increases the expression of hypothalamic arginine vasopressin and oxytocin mRNA in BTBR mice. Additionally at the microbiome level, we observed that MRx0006 administration decreases the abundance of Alistipes putredinis, and modulates the faecal microbial metabolite profile. This alteration in the metabolite profile possibly underlies the observed increase in expression of oxytocin, arginine vasopressin and its receptors, and the consequent improvements in behavioural outcomes. Taken together, these findings suggest that the live biotherapeutic MRx0006 may represent a viable and efficacious treatment option for the management of physiological and behavioural deficits associated with ASD.
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Malone SG, Shaykin JD, Stairs DJ, Bardo MT. Neurobehavioral effects of environmental enrichment and drug abuse vulnerability: An updated review. Pharmacol Biochem Behav 2022; 221:173471. [PMID: 36228739 DOI: 10.1016/j.pbb.2022.173471] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 09/16/2022] [Accepted: 10/05/2022] [Indexed: 12/14/2022]
Abstract
Environmental enrichment consisting of social peers and novel objects is known to alter neurobiological functioning and have an influence on the behavioral effects of drugs of abuse in preclinical rodent models. An earlier review from our laboratory (Stairs and Bardo, 2009) provided an overview of enrichment-specific changes in addiction-like behaviors and neurobiology. The current review updates the literature in this extensive field. Key findings from this updated review indicate that enrichment produces positive outcomes in drug abuse vulnerability beyond just psychostimulants. Additionally, recent studies indicate that enrichment activates key genes involved in cell proliferation and protein synthesis in nucleus accumbens and enhances growth factors in hippocampus and neurotransmitter signaling pathways in prefrontal cortex, amygdala, and hypothalamus. Remaining gaps in the literature and future directions for environmental enrichment and drug abuse research are identified.
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Affiliation(s)
- Samantha G Malone
- Department of Psychology, University of Kentucky, BBSRB, 741 S. Limestone, Lexington, KY, USA
| | - Jakob D Shaykin
- Department of Psychology, University of Kentucky, BBSRB, 741 S. Limestone, Lexington, KY, USA
| | - Dustin J Stairs
- Department of Psychological Science, Creighton University, Hixson-Lied Science Building, 2500 California Plaza, Omaha, NE, USA
| | - Michael T Bardo
- Department of Psychology, University of Kentucky, BBSRB, 741 S. Limestone, Lexington, KY, USA.
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28
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Chen Q, Zhuang J, Zuo R, Zheng H, Dang J, Wang Z. Exploring associations between postpartum depression and oxytocin levels in cerebrospinal fluid, plasma and saliva. J Affect Disord 2022; 315:198-205. [PMID: 35917937 DOI: 10.1016/j.jad.2022.07.052] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 07/05/2022] [Accepted: 07/20/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND Postpartum depression (PPD) is a serious mental health concern affecting approximately 17.22 % of new mothers worldwide. In addition to its obstetric effects, oxytocin (OXT) has also been considered to play a role in PPD. However, most previous studies exploring associations between PPD and OXT levels focus on easier accessible compartments such as blood or saliva. STUDY AIM To explore the possible association between PPD and OXT levels, and to assess the interaction between peripheral secretion and central release of OXT. METHODS In this study, we prospectively measured OXT concentrations in cerebrospinal fluid (CSF), plasma and saliva of 94 women with elective cesarean section by enzyme-linked immunosorbent assay (ELISA) kits. The participants were divided into the PPD group if the score of Edinburgh Postpartum Depression Scale (EPDS) ≥ 10 at 3 months postpartum, otherwise into the non-PPD (nPPD) group. RESULTS The incidence of PPD was 30.85 %. OXT concentrations in CSF (r = -0.518, p < 0.001), plasma (r = -0.240, p = 0.020) and saliva (r = -0.263, p = 0.010) were negatively correlated with EPDS score, and were valuable for the prediction of PPD, with AUC and 95%CI of 0.890 (0.809-0.945), 0.683 (0.579-0.775) and 0.699 (0.596-0.790), respectively. Moreover, OXT concentrations in plasma (r = 0.407, p < 0.001) and saliva (r = 0.624, p < 0.001) were positively correlated with CSF OXT concentrations. LIMITATIONS Only full-term pregnant women undergoing elective cesarean section were included in this study, which may affect study generalizability. CONCLUSIONS The central and peripheral release of OXT is coordinated, and OXT level measured prenatally in CSF, plasma, or saliva is valuable for the prediction of PPD.
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Affiliation(s)
- Qianmin Chen
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Jingwen Zhuang
- Department of Anesthesiology, The First People's Hospital of Changde City, Changde 415000, Hunan, China
| | - Ronghua Zuo
- Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Huiwen Zheng
- Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Jingjing Dang
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Zhiping Wang
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221004, Jiangsu, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China.
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29
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Solomon-Lane TK, Butler RM, Hofmann HA. Vasopressin mediates nonapeptide and glucocorticoid signaling and social dynamics in juvenile dominance hierarchies of a highly social cichlid fish. Horm Behav 2022; 145:105238. [PMID: 35932752 DOI: 10.1016/j.yhbeh.2022.105238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/28/2022] [Accepted: 07/18/2022] [Indexed: 11/28/2022]
Abstract
Early-life social experience can strongly affect adult behavior, yet the behavioral mechanisms underlying developmental trajectories are poorly understood. Here, we use the highly social cichlid, Burton's Mouthbrooder (Astatotilapia burtoni) to investigate juvenile social status and behavior, as well as the underlying neuroendocrine mechanisms. We placed juveniles in pairs or triads and found that they readily establish social status hierarchies, with some group structural variation depending on group size, as well as the relative body size of the group members. Next, we used intracerebroventricular injections to test the hypothesis that arginine vasopressin (AVP) regulates juvenile social behavior and status, similar to adult A. burtoni. While we found no direct behavioral effects of experimentally increasing (via vasotocin) or decreasing (via antagonist Manning Compound) AVP signaling, social interactions directed at the treated individual were significantly altered. This group-level effect of central AVP manipulation was also reflected in a significant shift in whole brain expression of genes involved in nonapeptide signaling (AVP, oxytocin, and oxytocin receptor) and the neuroendocrine stress axis (corticotropin-releasing factor (CRF), glucocorticoid receptors (GR) 1a and 1b). Further, social status was associated with the expression of genes involved in glucocorticoid signaling (GR1a, GR1b, GR2, mineralocorticoid receptor), social interactions with the dominant fish, and nonapeptide signaling activity (AVP, AVP receptor V1aR2, OTR). Together, our results considerably expand our understanding of the context-specific emergence of social dominance hierarchies in juveniles and demonstrate a role for nonapeptide and stress axis signaling in the regulation of social status and social group dynamics.
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Affiliation(s)
- Tessa K Solomon-Lane
- Department of Integrative Biology, The University of Texas at Austin, Austin, TX 78712, United States of America; Institute for Neuroscience, The University of Texas at Austin, Austin, TX 78712, United States of America.
| | - Rebecca M Butler
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, United States of America
| | - Hans A Hofmann
- Department of Integrative Biology, The University of Texas at Austin, Austin, TX 78712, United States of America; Institute for Neuroscience, The University of Texas at Austin, Austin, TX 78712, United States of America; Institute for Cell & Molecular Biology, The University of Texas at Austin, Austin, TX 78712, United States of America
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30
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Rigney N, Zbib A, de Vries GJ, Petrulis A. Knockdown of sexually differentiated vasopressin expression in the bed nucleus of the stria terminalis reduces social and sexual behaviour in male, but not female, mice. J Neuroendocrinol 2022; 34:e13083. [PMID: 34978098 PMCID: PMC9213575 DOI: 10.1111/jne.13083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/12/2021] [Accepted: 12/15/2021] [Indexed: 12/30/2022]
Abstract
The neuropeptide arginine-vasopressin (AVP) has long been implicated in the regulation of social behaviour and communication, but the sources of AVP release relevant for behaviour have not been precisely determined. Ablations of the sexually dimorphic AVP cells within the bed nucleus of the stria terminalis (BNST), which are more numerous in males, affect social behaviour differently in males and females. However, it is unknown whether these behavioural effects are caused by a reduction of AVP or of other factors associated with these cells. To test the role of AVP specifically, we used an shRNA viral construct to knock down AVP gene expression within the BNST of wild-type male and female mice, using scrambled sequence virus as a control, and evaluated subsequent changes in social behaviours (social investigation, ultrasonic vocalization (USV), scent marking, copulation, and aggression), or anxiety-like behaviours (elevated plus maze). We observed that, in males, knockdown of AVP expression in the BNST strongly reduced investigation of novel males, aggressive signalling towards other males (tail rattling, USV), and copulatory behaviour, but did not alter attack initiation, other measures of social communication, or anxiety-like behaviours. In females, however, BNST AVP knockdown did not alter any of these behaviours. These results point to differential involvement of AVP derived from the BNST in social behaviour.
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Affiliation(s)
- Nicole Rigney
- Center for Behavioral NeuroscienceNeuroscience InstituteGeorgia State UniversityAtlantaGeorgiaUSA
| | - Adam Zbib
- Center for Behavioral NeuroscienceNeuroscience InstituteGeorgia State UniversityAtlantaGeorgiaUSA
| | - Geert J. de Vries
- Center for Behavioral NeuroscienceNeuroscience InstituteGeorgia State UniversityAtlantaGeorgiaUSA
| | - Aras Petrulis
- Center for Behavioral NeuroscienceNeuroscience InstituteGeorgia State UniversityAtlantaGeorgiaUSA
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31
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Carter CS, Kingsbury MA. Oxytocin and oxygen: the evolution of a solution to the ‘stress of life’. Philos Trans R Soc Lond B Biol Sci 2022; 377:20210054. [PMID: 35856299 PMCID: PMC9272143 DOI: 10.1098/rstb.2021.0054] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Oxytocin (OT) and the OT receptor occupy essential roles in our current understanding of mammalian evolution, survival, sociality and reproduction. This narrative review examines the hypothesis that many functions attributed to OT can be traced back to conditions on early Earth, including challenges associated with managing life in the presence of oxygen and other basic elements, including sulfur. OT regulates oxidative stress and inflammation especially through effects on the mitochondria. A related nonapeptide, vasopressin, as well as molecules in the hypothalamic–pituitary–adrenal axis, including the corticotropin-releasing hormone family of molecules, have a broad set of functions that interact with OT. Interactions among these molecules have roles in the causes and consequence of social behaviour and the management of threat, fear and stress. Here, we discuss emerging evidence suggesting that unique properties of the OT system allowed vertebrates, and especially mammals, to manage over-reactivity to the ‘side effects’ of oxygen, including inflammation, oxidation and free radicals, while also supporting high levels of sociality and a perception of safety. This article is part of the theme issue ‘Interplays between oxytocin and other neuromodulators in shaping complex social behaviours’.
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Affiliation(s)
- C. Sue Carter
- Kinsey Institute, Indiana University, Bloomington, IN 47405, USA
- Department of Psychology, University of Virginia, Charlottesville, VA 22904, USA
| | - Marcy A. Kingsbury
- Lurie Center for Autism, Mass General Hospital for Children, Harvard University Medical School, Charlestown, Boston, MA 02129, USA
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Wei D, Tsheringla S, McPartland JC, Allsop AZASA. Combinatorial approaches for treating neuropsychiatric social impairment. Philos Trans R Soc Lond B Biol Sci 2022; 377:20210051. [PMID: 35858103 PMCID: PMC9274330 DOI: 10.1098/rstb.2021.0051] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 05/13/2022] [Indexed: 01/30/2023] Open
Abstract
Social behaviour is an essential component of human life and deficits in social function are seen across multiple psychiatric conditions with high morbidity. However, there are currently no FDA-approved treatments for social dysfunction. Since social cognition and behaviour rely on multiple signalling processes acting in concert across various neural networks, treatments aimed at social function may inherently require a combinatorial approach. Here, we describe the social neurobiology of the oxytocin and endocannabinoid signalling systems as well as translational evidence for their use in treating symptoms in the social domain. We leverage this systems neurobiology to propose a network-based framework that involves pharmacology, psychotherapy, non-invasive brain stimulation and social skills training to combinatorially target trans-diagnostic social impairment. Lastly, we discuss the combined use of oxytocin and endocannabinoids within our proposed framework as an illustrative strategy to treat specific aspects of social function. Using this framework provides a roadmap for actionable treatment strategies for neuropsychiatric social impairment. This article is part of the theme issue 'Interplays between oxytocin and other neuromodulators in shaping complex social behaviours'.
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Affiliation(s)
- Don Wei
- Department of Psychiatry, UCLA, Los Angeles, CA, USA
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Koyasu H, Takahashi H, Yoneda M, Naba S, Sakawa N, Sasao I, Nagasawa M, Kikusui T. Correlations between behavior and hormone concentrations or gut microbiome imply that domestic cats (Felis silvestris catus) living in a group are not like ‘groupmates’. PLoS One 2022; 17:e0269589. [PMID: 35895662 PMCID: PMC9328509 DOI: 10.1371/journal.pone.0269589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 05/25/2022] [Indexed: 11/18/2022] Open
Abstract
Domestic cats (Felis silvestris catus) can live in high densities, although most feline species are solitary and exclusively territorial animals; it is possible that certain behavioral strategies enable this phenomenon. These behaviors are regulated by hormones and the gut microbiome, which, in turn, is influenced by domestication. Therefore, we investigated the relationships between the sociality, hormone concentrations, and gut microbiome of domestic cats by conducting three sets of experiments for each group of five cats and analyzing their behavior, hormone concentrations (cortisol, oxytocin, and testosterone), and their gut microbiomes. We observed that individuals with high cortisol and testosterone concentrations established less contact with others, and individuals with high oxytocin concentrations did not exhibit affiliative behaviors as much as expected. Additionally, the higher the frequency of contact among the individuals, the greater the similarity in gut microbiome; gut microbial composition was also related to behavioral patterns and cortisol secretion. Notably, individuals with low cortisol and testosterone concentrations were highly tolerant, making high-density living easy. Oxytocin usually functions in an affiliative manner within groups, but our results suggest that even if typically solitary and territorial animals live in high densities, their oxytocin functions are opposite to those of typically group-living animals.
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Affiliation(s)
- Hikari Koyasu
- Laboratory of Human-Animal Interaction and Reciprocity, Azabu University, Kanagawa, Japan
- * E-mail:
| | - Hironobu Takahashi
- Laboratory of Human-Animal Interaction and Reciprocity, Azabu University, Kanagawa, Japan
| | - Moeka Yoneda
- Laboratory of Human-Animal Interaction and Reciprocity, Azabu University, Kanagawa, Japan
| | - Syunpei Naba
- Laboratory of Human-Animal Interaction and Reciprocity, Azabu University, Kanagawa, Japan
| | - Natsumi Sakawa
- Laboratory of Human-Animal Interaction and Reciprocity, Azabu University, Kanagawa, Japan
| | - Ikuto Sasao
- Laboratory of Human-Animal Interaction and Reciprocity, Azabu University, Kanagawa, Japan
| | - Miho Nagasawa
- Laboratory of Human-Animal Interaction and Reciprocity, Azabu University, Kanagawa, Japan
| | - Takefumi Kikusui
- Laboratory of Human-Animal Interaction and Reciprocity, Azabu University, Kanagawa, Japan
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Kelly AM, Gonzalez Abreu JA, Thompson RR. Beyond sex and aggression: testosterone rapidly matches behavioural responses to social context and tries to predict the future. Proc Biol Sci 2022; 289:20220453. [PMID: 35673866 PMCID: PMC9174716 DOI: 10.1098/rspb.2022.0453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Although androgens are widely studied in the context of aggression, androgenic influences on prosocial behaviours have been less explored. We examined testosterone's (T) influence on prosocial and aggressive responses in a positively valenced social context (interacting with a pairbond partner) and a negatively valenced context (interacting with an intruder) in socially monogamous Mongolian gerbils. T increased and decreased prosocial responses in the same individuals towards a pairbond partner and an intruder, respectively, both within 30 min, but did not affect aggression. T also had persistent effects on prosocial behaviour; males in which T initially increased prosocial responses towards a partner continued to exhibit elevated prosocial responses towards an intruder male days later until a second T injection rapidly eliminated those responses. Thus, T surges can rapidly match behaviour to current social context, as well as prime animals for positive social interactions in the future. Neuroanatomically, T rapidly increased hypothalamic oxytocin, but not vasopressin, cellular responses during interactions with a partner. Together, our results indicate that T can facilitate and inhibit prosocial behaviours depending on social context, that it can influence prosocial responses across rapid and prolonged time scales, and that it affects oxytocin signalling mechanisms that could mediate its context-dependent behavioural influences.
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Affiliation(s)
- Aubrey M. Kelly
- Department of Psychology, Emory University, 36 Eagle Row, Atlanta, GA 30322, USA
| | | | - Richmond R. Thompson
- Division of Social Sciences, Oxford College of Emory University, 801 Emory Street, Oxford GA 30054 USA
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35
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Towner TT, Papastrat KM, Spear LP, Varlinskaya EI, Werner DF. Impact of adolescent intermittent ethanol exposure in male and female rats on social drinking and neuropeptide gene expression. Alcohol Clin Exp Res 2022; 46:979-993. [PMID: 35470441 DOI: 10.1111/acer.14847] [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: 11/01/2021] [Revised: 03/11/2022] [Accepted: 04/15/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Alcohol use during adolescence can alter maturational changes that occur in brain regions associated with social and emotional responding. Our previous studies have shown that adult male, but not female rats demonstrate social anxiety-like alterations and enhanced sensitivity to ethanol-induced social facilitation following adolescent intermittent ethanol exposure (AIE). These consequences of AIE may influence adult social drinking in a sex-specific manner. METHODS To test the effects of AIE on social drinking, male and female Sprague-Dawley rats exposed to water or ethanol (0 or 4 g/kg, intragastrically, every other day, between postnatal day [P] 25 and 45) were tested as adults (P72-83) in a social drinking paradigm (30-minute access to a 10% ethanol solution in supersac or supersac alone in groups of three same-sex littermates across two 4-day cycles separated by 4 days off). Social behavior was assessed during the last drinking session, along with assessment of oxytocin (OXT), oxytocin receptor (OXTR), vasopressin (AVP), and vasopressin receptors 1a and 1b (AVPR1a, AVPR1b) in the hypothalamus and lateral septum. RESULTS Males exposed to AIE consumed more ethanol than water-exposed controls during the second drinking cycle, whereas AIE did not affect supersac intake in males. AIE-exposed females consumed less ethanol and more supersac than water-exposed controls. Water-exposed females drinking ethanol showed more social investigation and significantly higher hypothalamic OXTR, AVP, and AVPR1b gene expression than their counterparts ingesting supersac and AIE females drinking ethanol. In males, hypothalamic AVPR1b gene expression was affected by drinking solution, with significantly higher expression evident in males drinking ethanol than those consuming supersac. CONCLUSIONS Collectively, these findings provide new evidence regarding sex-specific effects of AIE on social drinking and suggest that the hypothalamic OXT and AVP systems are implicated in the effects of ingested ethanol on social behavior in a sex- and adolescent-exposure-dependent manner.
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Affiliation(s)
- Trevor T Towner
- Neurobiology of Adolescent Drinking in Adulthood Consortium, Center for Development and Behavioral Neuroscience, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - Kimberly M Papastrat
- Neurobiology of Adolescent Drinking in Adulthood Consortium, Center for Development and Behavioral Neuroscience, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - Linda P Spear
- Neurobiology of Adolescent Drinking in Adulthood Consortium, Center for Development and Behavioral Neuroscience, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - Elena I Varlinskaya
- Neurobiology of Adolescent Drinking in Adulthood Consortium, Center for Development and Behavioral Neuroscience, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - David F Werner
- Neurobiology of Adolescent Drinking in Adulthood Consortium, Center for Development and Behavioral Neuroscience, Department of Psychology, Binghamton University, Binghamton, New York, USA
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Species-typical group size differentially influences social reward neural circuitry during nonreproductive social interactions. iScience 2022; 25:104230. [PMID: 35521530 PMCID: PMC9062245 DOI: 10.1016/j.isci.2022.104230] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/24/2022] [Accepted: 04/06/2022] [Indexed: 11/22/2022] Open
Abstract
We investigated whether nonreproductive social interactions may be rewarding for colonial but not non-colonial species. We found that the colonial spiny mouse (Acomys cahirinus) is significantly more gregarious, more prosocial, and less aggressive than its non-colonial relative, the Mongolian gerbil (Meriones unguiculatus). In an immediate-early gene study, we examined oxytocin (OT) and tyrosine hydroxylase (TH) neural responses to interactions with a novel, same-sex conspecific or a novel object. The paraventricular nucleus of the hypothalamus (PVN) OT cell group was more responsive to interactions with a conspecific compared to a novel object in both species. However, the ventral tegmental area (VTA) TH cell group showed differential responses only in spiny mice. Further, PVN OT and VTA TH neural responses positively correlated in spiny mice, suggesting functional connectivity. These results suggest that colonial species may have evolved neural mechanisms associated with reward in novel, nonreproductive social contexts to promote large group-living.
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Tan Z, Wei H, Song X, Mai W, Yan J, Ye W, Ling X, Hou L, Zhang S, Yan S, Xu H, Wang L. Positron Emission Tomography in the Neuroimaging of Autism Spectrum Disorder: A Review. Front Neurosci 2022; 16:806876. [PMID: 35495051 PMCID: PMC9043810 DOI: 10.3389/fnins.2022.806876] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 03/14/2022] [Indexed: 12/11/2022] Open
Abstract
Autism spectrum disorder (ASD) is a basket term for neurodevelopmental disorders characterized by marked impairments in social interactions, repetitive and stereotypical behaviors, and restricted interests and activities. Subtypes include (A) disorders with known genetic abnormalities including fragile X syndrome, Rett syndrome, and tuberous sclerosis and (B) idiopathic ASD, conditions with unknown etiologies. Positron emission tomography (PET) is a molecular imaging technology that can be utilized in vivo for dynamic and quantitative research, and is a valuable tool for exploring pathophysiological mechanisms, evaluating therapeutic efficacy, and accelerating drug development in ASD. Recently, several imaging studies on ASD have been published and physiological changes during ASD progression was disclosed by PET. This paper reviews the specific radioligands for PET imaging of critical biomarkers in ASD, and summarizes and discusses the similar and different discoveries in outcomes of previous studies. It is of great importance to identify general physiological changes in cerebral glucose metabolism, cerebral blood flow perfusion, abnormalities in neurotransmitter systems, and inflammation in the central nervous system in ASD, which may provide excellent points for further ASD research.
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Affiliation(s)
- Zhiqiang Tan
- Center of Cyclotron and PET Radiopharmaceuticals, Department of Nuclear Medicine and PET/CT-MRI Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Huiyi Wei
- Center of Cyclotron and PET Radiopharmaceuticals, Department of Nuclear Medicine and PET/CT-MRI Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Xiubao Song
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Wangxiang Mai
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Jiajian Yan
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Weijian Ye
- Center of Cyclotron and PET Radiopharmaceuticals, Department of Nuclear Medicine and PET/CT-MRI Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Xueying Ling
- Center of Cyclotron and PET Radiopharmaceuticals, Department of Nuclear Medicine and PET/CT-MRI Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Lu Hou
- Center of Cyclotron and PET Radiopharmaceuticals, Department of Nuclear Medicine and PET/CT-MRI Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Shaojuan Zhang
- Center of Cyclotron and PET Radiopharmaceuticals, Department of Nuclear Medicine and PET/CT-MRI Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Sen Yan
- Guangdong-Hongkong-Macau Institute of CNS Regeneration, Ministry of Education CNS Regeneration Collaborative Joint Laboratory, Jinan University, Guangzhou, China
| | - Hao Xu
- Center of Cyclotron and PET Radiopharmaceuticals, Department of Nuclear Medicine and PET/CT-MRI Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
- *Correspondence: Hao Xu,
| | - Lu Wang
- Center of Cyclotron and PET Radiopharmaceuticals, Department of Nuclear Medicine and PET/CT-MRI Center, The First Affiliated Hospital of Jinan University, Guangzhou, China
- Lu Wang,
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Ogawa S, Parhar IS. Role of Habenula in Social and Reproductive Behaviors in Fish: Comparison With Mammals. Front Behav Neurosci 2022; 15:818782. [PMID: 35221943 PMCID: PMC8867168 DOI: 10.3389/fnbeh.2021.818782] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 12/27/2021] [Indexed: 02/05/2023] Open
Abstract
Social behaviors such as mating, parenting, fighting, and avoiding are essential functions as a communication tool in social animals, and are critical for the survival of individuals and species. Social behaviors are controlled by a complex circuitry that comprises several key social brain regions, which is called the social behavior network (SBN). The SBN further integrates social information with external and internal factors to select appropriate behavioral responses to social circumstances, called social decision-making. The social decision-making network (SDMN) and SBN are structurally, neurochemically and functionally conserved in vertebrates. The social decision-making process is also closely influenced by emotional assessment. The habenula has recently been recognized as a crucial center for emotion-associated adaptation behaviors. Here we review the potential role of the habenula in social function with a special emphasis on fish studies. Further, based on evolutional, molecular, morphological, and behavioral perspectives, we discuss the crucial role of the habenula in the vertebrate SDMN.
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Multiple Aspects of Inappropriate Action of Renin-Angiotensin, Vasopressin, and Oxytocin Systems in Neuropsychiatric and Neurodegenerative Diseases. J Clin Med 2022; 11:jcm11040908. [PMID: 35207180 PMCID: PMC8877782 DOI: 10.3390/jcm11040908] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/04/2022] [Accepted: 02/05/2022] [Indexed: 02/04/2023] Open
Abstract
The cardiovascular system and the central nervous system (CNS) closely cooperate in the regulation of primary vital functions. The autonomic nervous system and several compounds known as cardiovascular factors, especially those targeting the renin–angiotensin system (RAS), the vasopressin system (VPS), and the oxytocin system (OTS), are also efficient modulators of several other processes in the CNS. The components of the RAS, VPS, and OTS, regulating pain, emotions, learning, memory, and other cognitive processes, are present in the neurons, glial cells, and blood vessels of the CNS. Increasing evidence shows that the combined function of the RAS, VPS, and OTS is altered in neuropsychiatric/neurodegenerative diseases, and in particular in patients with depression, Alzheimer’s disease, Parkinson’s disease, autism, and schizophrenia. The altered function of the RAS may also contribute to CNS disorders in COVID-19. In this review, we present evidence that there are multiple causes for altered combined function of the RAS, VPS, and OTS in psychiatric and neurodegenerative disorders, such as genetic predispositions and the engagement of the RAS, VAS, and OTS in the processes underlying emotions, memory, and cognition. The neuroactive pharmaceuticals interfering with the synthesis or the action of angiotensins, vasopressin, and oxytocin can improve or worsen the effectiveness of treatment for neuropsychiatric/neurodegenerative diseases. Better knowledge of the multiple actions of the RAS, VPS, and OTS may facilitate programming the most efficient treatment for patients suffering from the comorbidity of neuropsychiatric/neurodegenerative and cardiovascular diseases.
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Torres N, Martins D, Monteiro L, Santos AJ, Vaughn BE, Veríssimo M. Salivary oxytocin after play with parents predicts behavioural problems in preschool children. Psychoneuroendocrinology 2022; 136:105609. [PMID: 34875423 DOI: 10.1016/j.psyneuen.2021.105609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 11/19/2021] [Accepted: 11/24/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Oxytocin (OXT) has attracted research interest for its potential involvement in many of the behavioural problems observed in childhood. Due to its logistical advantages, saliva is an attractive fluid to quantify neuropeptides in children. Salivary OXT has been suggested as a potential biomarker for psychopathology during childhood. However, several questions still remain about the extent to which, and under what conditions, concentrations of OXT in saliva can be reliably measured and are related to behavioural problems in preschool age children. METHODS Seven samples of saliva from 30 preschool children (17 girls) were collected in five different days at their homes. Three of the samples were collected by the children's parents at baseline daily routine conditions, and four of the samples were collected by researchers during two home-visits: before and after two 15-minute dyadic play sessions (one with mothers and one fathers) between each individual parent and the child. Oxytocin concentrations were quantified by Radioimmunoassay with prior extraction. Children's behavioural problems were assessed by the Caregiver-Teacher Report Form (C-TRF) questionnaire, completed by the child's' preschool teacher. RESULTS Salivary OXT measured in baseline samples could not predict any of the behavioural problems measured by the C-TRF. However, when measured after playing with parents salivary OXT showed a stronger pattern of negative correlations, specially with the depression and opposition scales of the C-TRF. Furthermore, salivary OXT was unlikely to be reliably measured using single sampling, but acceptable reliabilities were achieved when averaging several samples. Finally, the single measures of salivary OXT evoked after an episode of play with parents showed better reliabilities than collected at baseline. CONCLUSION Measurements of OXT evoked after positive affect interactions with parents seem to capture aspects of the OXT system in young children that might be relevant for understanding the role of this system in children's social behaviour.
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Affiliation(s)
- Nuno Torres
- ISPA - Instituto Universitario de Ciencias Psicologicas Sociais e da Vida, William James Research Center, Rua Jardim do Tabaco, no34, 1149-041 Lisbon, Portugal.
| | - Daniel Martins
- King's College London, Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, 16 De Crespigny Park, London SE5 8AF, United Kingdom; NIHR Maudsley Biomedical Research Centre, South London and Maudsley NHS Trust, London, UK
| | - Lígia Monteiro
- Instituto Universitário de Lisboa (ISCTE-IUL), CIS-IUL, Av.a das Forças Armadas, 1649-026 Lisboa, Portugal
| | - António J Santos
- ISPA - Instituto Universitario de Ciencias Psicologicas Sociais e da Vida, William James Research Center, Rua Jardim do Tabaco, no34, 1149-041 Lisbon, Portugal
| | - Brian E Vaughn
- Auburn University, Department of Human Development and Family Science Auburn, AL 36849, United States
| | - Manuela Veríssimo
- ISPA - Instituto Universitario de Ciencias Psicologicas Sociais e da Vida, William James Research Center, Rua Jardim do Tabaco, no34, 1149-041 Lisbon, Portugal
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Carter CS. Oxytocin and love: Myths, metaphors and mysteries. COMPREHENSIVE PSYCHONEUROENDOCRINOLOGY 2022; 9:100107. [PMID: 35755926 PMCID: PMC9216351 DOI: 10.1016/j.cpnec.2021.100107] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 12/15/2021] [Indexed: 12/15/2022] Open
Abstract
Oxytocin is a peptide molecule with a multitude of physiological and behavioral functions. Based on its association with reproduction - including social bonding, sexual behavior, birth and maternal behavior - oxytocin also has been called “the love hormone.” This essay specifically examines association and parallels between oxytocin and love. However, many myths and gaps in knowledge remain concerning both. A few of these are described here and we hypothesize that the potential benefits of both love and oxytocin may be better understood in light of interactions with more ancient systems, including specifically vasopressin and the immune system. Oxytocin is anti-inflammatory and is associated with recently evolved, social solutions to a variety of challenges necessary for mammalian survival and reproduction. The shared functions of oxytocin and love have profound implications for health and longevity, including the prevention and treatment of excess inflammation and related disorders, especially those occurring in early life and during periods of chronic threat or disease. Oxytocin is a peptide molecule with functions that support a sense of safety, sociality, as well as survival and reproduction. Oxytocin is associated with social and neuroimmune solutions to chronic stress. The related, but more primitive, peptide vasopressin supports more individualistic survival strategies. Controversies and myths surround the properties of oxytocin and love.
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Aspesi D, Choleris E. Neuroendocrine underpinning of social recognition in males and females. J Neuroendocrinol 2022; 34:e13070. [PMID: 34927288 DOI: 10.1111/jne.13070] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 11/14/2021] [Accepted: 11/24/2021] [Indexed: 12/28/2022]
Abstract
Social recognition is an essential skill for the expression of appropriate behaviors towards conspecifics in most social species. Several studies point to oxytocin (OT) and arginine vasopressin (AVP) as key mediators of social recognition in males and females. However, sex differences in social cognitive behaviors highlight an important interplay between OT, AVP and the sex steroids. Estrogens facilitate social recognition by regulating OT action in the hypothalamus and that of OT receptor in the medial amygdala. The role of OT in these brain regions appears to be essential for social recognition in both males and females. Conversely, social recognition in male rats and mice is more dependent on AVP release in the lateral septum than in females. The AVP system comprises a series of highly sexually dimorphic brain nuclei, including the bed nucleus of the stria terminalis, the amygdala and the lateral septum. Various studies suggest that testosterone and its metabolites, including estradiol, influence social recognition in males by modulating the activity of the AVP at V1a receptor. Intriguingly, both estrogens and androgens can affect social recognition very rapidly, through non-genomic mechanisms. In addition, the androgen metabolites, namely 3α-diol and 3β-diol, may also have an impact on social behaviors either by interacting with the estrogen receptors or through other mechanisms. Overall, the regulation of OT and AVP by sex steroids fine tunes social recognition and the behaviors that depend upon it (e.g., social bond, hierarchical organization, aggression) in a sex-dependent manner. Elucidating the sex-dependent interaction between sex steroids and neuroendocrine systems is essential for understanding sex differences in the normal and abnormal expression of social behaviors.
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Affiliation(s)
- Dario Aspesi
- Department of Psychology and Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - Elena Choleris
- Department of Psychology and Neuroscience Program, University of Guelph, Guelph, ON, Canada
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Tanaka K, Besson V, Rivagorda M, Oury F, Marazzi G, Sassoon DA. Paternally expressed gene 3 (Pw1/Peg3) promotes sexual dimorphism in metabolism and behavior. PLoS Genet 2022; 18:e1010003. [PMID: 35025875 PMCID: PMC8791484 DOI: 10.1371/journal.pgen.1010003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 01/26/2022] [Accepted: 12/20/2021] [Indexed: 01/06/2023] Open
Abstract
The paternally expressed gene 3 (Pw1/Peg3) is a mammalian-specific parentally imprinted gene expressed in stem/progenitor cells of the brain and endocrine tissues. Here, we compared phenotypic characteristics in Pw1/Peg3 deficient male and female mice. Our findings indicate that Pw1/Peg3 is a key player for the determination of sexual dimorphism in metabolism and behavior. Mice carrying a paternally inherited Pw1/Peg3 mutant allele manifested postnatal deficits in GH/IGF dependent growth before weaning, sex steroid dependent masculinization during puberty, and insulin dependent fat accumulation in adulthood. As a result, Pw1/Peg3 deficient mice develop a sex-dependent global shift of body metabolism towards accelerated adiposity, diabetic-like insulin resistance, and fatty liver. Furthermore, Pw1/Peg3 deficient males displayed reduced social dominance and competitiveness concomitant with alterations in the vasopressinergic architecture in the brain. This study demonstrates that Pw1/Peg3 provides an epigenetic context that promotes male-specific characteristics through sex steroid pathways during postnatal development. Pw1/Peg3 is under parental specific epigenetic regulation. We propose that Pw1/Peg3 confers a selective advantage in mammals by regulating sexual dimorphism. To address this question, we examined the consequences of Pw1/Peg3 loss of function in mice in an age- and sex-dependent context and found that Pw1/Peg3 mutants display reduced sexual dimorphism in growth, metabolism and behaviors. Our findings support the intralocus sexual conflict model of genomic imprinting where it contributes in sexual differentiation. Furthermore, our observations provide a unifying role of sex steroid signaling as a common property of Pw1/Peg3 expressing stem/progenitor cells and differentiated endocrine cells, both of which remain proliferative in response to gonadal hormones in adult life.
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Affiliation(s)
- Karo Tanaka
- Stem Cells and Regenerative Medicine, Institute of Cardiometabolism and Nutrition (ICAN), INSERM U1166, University of Pierre and Marie Curie Paris VI, Paris, France
| | - Vanessa Besson
- Stem Cells and Regenerative Medicine, Institute of Cardiometabolism and Nutrition (ICAN), INSERM U1166, University of Pierre and Marie Curie Paris VI, Paris, France
| | - Manon Rivagorda
- Hormonal Regulation of Brain Development and Functions, INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Franck Oury
- Hormonal Regulation of Brain Development and Functions, INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Giovanna Marazzi
- Stem Cells and Regenerative Medicine, Institute of Cardiometabolism and Nutrition (ICAN), INSERM U1166, University of Pierre and Marie Curie Paris VI, Paris, France
| | - David A. Sassoon
- Stem Cells and Regenerative Medicine, Institute of Cardiometabolism and Nutrition (ICAN), INSERM U1166, University of Pierre and Marie Curie Paris VI, Paris, France
- * E-mail:
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Cherepanov SM, Gerasimenko M, Yuhi T, Shabalova A, Zhu H, Yokoyama S, Salmina AB, Munesue SI, Harashima A, Yamamoto Y, Higashida H. An improved sample extraction method reveals that plasma receptor for advanced glycation end-products (RAGE) modulates circulating free oxytocin in mice. Peptides 2021; 146:170649. [PMID: 34543678 DOI: 10.1016/j.peptides.2021.170649] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 09/15/2021] [Accepted: 09/15/2021] [Indexed: 12/21/2022]
Abstract
The receptor for advanced glycation end-products (RAGE) binds oxytocin (OT) and transports it from the blood to the brain. As RAGE's OT-binding capacity was lost in RAGE knockout (KO) mice, we predicted that circulating concentrations of unbound (free) OT should be elevated compared to wild-type (WT) mice. However, this hypothesis has not yet been investigated. Unfortunately, the evaluation of the dynamics of circulating free and bound plasma OT is unclear in immunoassays, in part because of interference from plasma proteins. A radioimmunoassay (RIA) is considered the gold standard method for overcoming this issue, but is more challenging to implement; thus, commercially available enzyme-linked immunosorbent assays (ELISAs) are more commonly used. Here, we developed a pre-treatment method to remove the interference-causing components from plasma before performing ELISA. The acetonitrile protein precipitation (PPT) approach was reliable, with fewer steps needed to measure free OT concentrations than by solid-phase extraction of plasma samples. PPT-extracted plasma samples yielded higher concentrations of OT in RAGE KO mice than in WT mice using ELISA. After peripheral OT injection, free OT plasma levels spiked immediately then rapidly declined in WT mice, but remained high in KO mice. These results suggest that plasma samples with PPT pre-treatment appear to be superior and that circulating soluble RAGE can most likely serve as a buffer for plasma OT, which indicates a novel physiological function of RAGE.
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Affiliation(s)
- Stanislav M Cherepanov
- Department of Basic Research on Social Recognition and Memory, Research Center for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Maria Gerasimenko
- Department of Basic Research on Social Recognition and Memory, Research Center for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Teruko Yuhi
- Department of Basic Research on Social Recognition and Memory, Research Center for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Anna Shabalova
- Department of Basic Research on Social Recognition and Memory, Research Center for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Hong Zhu
- Department of Basic Research on Social Recognition and Memory, Research Center for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Shigeru Yokoyama
- Department of Basic Research on Social Recognition and Memory, Research Center for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Alla B Salmina
- Laboratory for Social Brain Studies, Research Institute of Molecular Medicine and Pathobiochemistry, and Department of Biochemistry, Krasnoyarsk State Medical University named after Prof. V. F. Voino-Yasentsky, Krasnoyarsk, 660022, Russia
| | - Shei-Ichi Munesue
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, 920-8640, Japan
| | - Ai Harashima
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, 920-8640, Japan
| | - Yasuhiko Yamamoto
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, 920-8640, Japan
| | - Haruhiro Higashida
- Department of Basic Research on Social Recognition and Memory, Research Center for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan.
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Been LE, Sheppard PAS, Galea LAM, Glasper ER. Hormones and neuroplasticity: A lifetime of adaptive responses. Neurosci Biobehav Rev 2021; 132:679-690. [PMID: 34808191 DOI: 10.1016/j.neubiorev.2021.11.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 10/15/2021] [Accepted: 11/08/2021] [Indexed: 12/18/2022]
Abstract
Major life transitions often co-occur with significant fluctuations in hormones that modulate the central nervous system. These hormones enact neuroplastic mechanisms that prepare an organism to respond to novel environmental conditions and/or previously unencountered cognitive, emotional, and/or behavioral demands. In this review, we will explore several examples of how hormones mediate neuroplastic changes in order to produce adaptive responses, particularly during transitions in life stages. First, we will explore hormonal influences on social recognition in both males and females as they transition to sexual maturity. Next, we will probe the role of hormones in mediating the transitions to motherhood and fatherhood, respectively. Finally, we will survey the long-term impact of reproductive experience on neuroplasticity in females, including potential protective effects and risk factors associated with reproductive experience in mid-life and beyond. Ultimately, a more complete understanding of how hormones influence neuroplasticity throughout the lifespan, beyond development, is necessary for understanding how individuals respond to life changes in adaptive ways.
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Affiliation(s)
- Laura E Been
- Department of Psychology, Haverford College, 370 Lancaster Avenue, Haverford, PA, 19041, USA.
| | - Paul A S Sheppard
- Department of Physiology and Pharmacology, Robarts Research Institute, Schulich School of Medicine & Dentistry, University of Western Ontario, 1151 Richmond St, London, Ontario, N6A 5B7, Canada.
| | - Liisa A M Galea
- Department of Psychology, Graduate Program in Neuroscience, Djavad Mowafaghian Centre for Brain Health, 2215 Wesbrook Mall, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.
| | - Erica R Glasper
- Department of Psychology, University of Maryland, College Park, MD, 20742 USA.
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Bonaldo B, Casile A, Bettarelli M, Gotti S, Panzica G, Marraudino M. Effects of chronic exposure to bisphenol A in adult female mice on social behavior, vasopressin system, and estrogen membrane receptor (GPER1). Eur J Histochem 2021; 65:3272. [PMID: 34755506 PMCID: PMC8607277 DOI: 10.4081/ejh.2021.3272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 10/20/2021] [Indexed: 11/27/2022] Open
Abstract
Bisphenol A (BPA), an organic synthetic compound found in some plastics and epoxy resins, is classified as an endocrine disrupting chemical. Exposure to BPA is especially dangerous if it occurs during specific "critical periods" of life, when organisms are more sensitive to hormonal changes (i.e., intrauterine, perinatal, juvenile or puberty periods). In this study, we focused on the effects of chronic exposure to BPA in adult female mice starting during pregnancy. Three months old C57BL/6J females were orally exposed to BPA or to vehicle (corn oil). The treatment (4 µg/kg body weight/day) started the day 0 of pregnancy and continued throughout pregnancy, lactation, and lasted for a total of 20 weeks. BPA-treated dams did not show differences in body weight or food intake, but they showed an altered estrous cycle compared to the controls. In order to evidence alterations in social and sociosexual behaviors, we performed the Three-Chamber test for sociability, and analyzed two hypothalamic circuits (well-known targets of endocrine disruption) particularly involved in the control of social behavior: the vasopressin and the oxytocin systems. The test revealed some alterations in the displaying of social behavior: BPA-treated dams have higher locomotor activity compared to the control dams, probably a signal of high level of anxiety. In addition, BPA-treated dams spent more time interacting with no-tester females than with no-tester males. In brain sections, we observed a decrease of vasopressin immunoreactivity (only in the paraventricular and suprachiasmatic nuclei) of BPA-treated females, while we did not find any alteration of the oxytocin system. In parallel, we have also observed, in the same hypothalamic nuclei, a significant reduction of the membrane estrogen receptor GPER1 expression.
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Affiliation(s)
- Brigitta Bonaldo
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano (TO); Department of Neuroscience "Rita Levi-Montalcini", University of Turin.
| | - Antonino Casile
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano (TO).
| | | | - Stefano Gotti
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano (TO); Department of Neuroscience "Rita Levi-Montalcini", University of Turin.
| | - GianCarlo Panzica
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano (TO); Department of Neuroscience "Rita Levi-Montalcini", University of Turin.
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Cid-Jofré V, Moreno M, Reyes-Parada M, Renard GM. Role of Oxytocin and Vasopressin in Neuropsychiatric Disorders: Therapeutic Potential of Agonists and Antagonists. Int J Mol Sci 2021; 22:ijms222112077. [PMID: 34769501 PMCID: PMC8584779 DOI: 10.3390/ijms222112077] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 10/20/2021] [Accepted: 11/02/2021] [Indexed: 12/27/2022] Open
Abstract
Oxytocin (OT) and vasopressin (AVP) are hypothalamic neuropeptides classically associated with their regulatory role in reproduction, water homeostasis, and social behaviors. Interestingly, this role has expanded in recent years and has positioned these neuropeptides as therapeutic targets for various neuropsychiatric diseases such as autism, addiction, schizophrenia, depression, and anxiety disorders. Due to the chemical-physical characteristics of these neuropeptides including short half-life, poor blood-brain barrier penetration, promiscuity for AVP and OT receptors (AVP-R, OT-R), novel ligands have been developed in recent decades. This review summarizes the role of OT and AVP in neuropsychiatric conditions, as well as the findings of different OT-R and AVP-R agonists and antagonists, used both at the preclinical and clinical level. Furthermore, we discuss their possible therapeutic potential for central nervous system (CNS) disorders.
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Affiliation(s)
- Valeska Cid-Jofré
- Centro de Investigación Biomédica y Aplicada (CIBAP), Escuela de Medicina, Facultad de Ciencias Médicas, Universidad de Santiago de Chile (USACH), Santiago 9170022, Chile; (V.C.-J.); (M.M.)
| | - Macarena Moreno
- Centro de Investigación Biomédica y Aplicada (CIBAP), Escuela de Medicina, Facultad de Ciencias Médicas, Universidad de Santiago de Chile (USACH), Santiago 9170022, Chile; (V.C.-J.); (M.M.)
- Facultad de Ciencias Sociales, Escuela de Psicología, Universidad Bernardo OHiggins, Santiago 8370993, Chile
| | - Miguel Reyes-Parada
- Centro de Investigación Biomédica y Aplicada (CIBAP), Escuela de Medicina, Facultad de Ciencias Médicas, Universidad de Santiago de Chile (USACH), Santiago 9170022, Chile; (V.C.-J.); (M.M.)
- Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Providencia 7500912, Chile
- Correspondence: (M.R.-P.); (G.M.R.)
| | - Georgina M. Renard
- Centro de Investigación Biomédica y Aplicada (CIBAP), Escuela de Medicina, Facultad de Ciencias Médicas, Universidad de Santiago de Chile (USACH), Santiago 9170022, Chile; (V.C.-J.); (M.M.)
- Correspondence: (M.R.-P.); (G.M.R.)
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Pouso P, Perrone R, Silva A. Immunohistochemical description of isotocin neurons and the anatomo-functional comparative analysis between isotocin and vasotocin systems in the weakly electric fish, Gymnotus omaroum. Gen Comp Endocrinol 2021; 313:113886. [PMID: 34411583 DOI: 10.1016/j.ygcen.2021.113886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 07/26/2021] [Accepted: 08/12/2021] [Indexed: 10/20/2022]
Abstract
The vasopressin-vasotocin (AVP-AVT) and oxytocin-mesotocin-isotocin (OT-MT-IT) families of nonapeptides are of great importance in shaping context-dependent modulations of a conserved and yet highly plastic network of brain areas involved in social behavior: the social behavior network. The nonapeptide systems of teleost fish are highly conserved and share a common general organization. In this study, we first describe the presence of IT cells and projections in the brain of an electric fish, Gymnotus omarorum. Second, we confirm that IT neuron types and distribution in the preoptic area (POA) follow the same general pattern previously described in other teleost species. Third, we show that although IT and AVT neurons occur intermingled within the POA of G. omarorum and can be classified into the same subgroups, they present subtle but remarkable differences in size, number, and location. Finally, we show that unlike AVT, IT has no effect on basal electric signaling, reinforcing the specificity in the actions that each one of these nonapeptides has on social behavior and communication.
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Affiliation(s)
- Paula Pouso
- Depto. Histología y Embriología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Unidad Bases Neurales de la Conducta, Depto Neurofisiologia Celular y Molecular, IIBCE, Montevideo, Uruguay.
| | - Rossana Perrone
- Unidad Bases Neurales de la Conducta, Depto Neurofisiologia Celular y Molecular, IIBCE, Montevideo, Uruguay; Instituto de Fundamentos y Métodos, Facultad de Psicología, Universidad de la República
| | - Ana Silva
- Unidad Bases Neurales de la Conducta, Depto Neurofisiologia Celular y Molecular, IIBCE, Montevideo, Uruguay; Laboratorio de Neurociencias, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
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Ramlall EK, Hall MAL, Forger NG, Castillo-Ruiz A. Cesarean birth elicits long-term effects on vasopressin and oxytocin neurons in the hypothalamic paraventricular nucleus of mice. Horm Behav 2021; 136:105080. [PMID: 34749276 DOI: 10.1016/j.yhbeh.2021.105080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/15/2021] [Accepted: 10/12/2021] [Indexed: 11/24/2022]
Abstract
Birth is an extraordinary event for placental mammals and occurs at a time when key developmental processes are shaping the brain. Remarkably, little is known about the contributions of birth to brain development and whether birth mode (vaginal vs. Cesarean) alters neurodevelopmental trajectories. We previously reported that Cesarean birth reduces vasopressin (VP) neuron number in the hypothalamic paraventricular nucleus (PVN) of mice at weaning. In this study, we investigated whether this effect extends to adulthood and whether birth mode affects oxytocin (OT) neurons, which are another prominent population in the PVN. We found that Cesarean-born adults had fewer VP neurons in the PVN, specifically in magnocellular regions. Interestingly, these regions also had more dying cells following a Cesarean birth, suggesting that cell death may be the underlying mechanism. The PVN of Cesarean-born adults also had smaller VP neuron somas and reduced VP efferent projections. Additionally, Cesarean-born mice showed fewer and smaller OT neurons in the PVN, but these effects were less robust than for VP neurons. We also examined VP and OT neuron number in the supraoptic and suprachiasmatic nuclei but found no effect of birth mode in these regions. Thus, Cesarean birth causes long-term effects on the VP and, to a lesser extent, OT systems in the PVN, suggesting that this region is particularly sensitive to the effects of birth mode. Our findings may help explain the social deficits reported for Cesarean-born mice, and are also of clinical significance given the widespread practice of Cesarean births across the world.
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Affiliation(s)
- Emma K Ramlall
- Neuroscience Institute, Georgia State University, Atlanta, GA 30302, USA
| | - Megan A L Hall
- Neuroscience Institute, Georgia State University, Atlanta, GA 30302, USA
| | - Nancy G Forger
- Neuroscience Institute, Georgia State University, Atlanta, GA 30302, USA
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Intranasal vasopressin like oxytocin increases social attention by influencing top-down control, but additionally enhances bottom-up control. Psychoneuroendocrinology 2021; 133:105412. [PMID: 34537624 DOI: 10.1016/j.psyneuen.2021.105412] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 11/22/2022]
Abstract
The respective roles of the neuropeptides arginine vasopressin (AVP) and oxytocin (OXT) in modulating social cognition and for therapeutic intervention in autism spectrum disorder have not been fully established. In particular, while numerous studies have demonstrated effects of oxytocin in promoting social attention the role of AVP has not been examined. The present study employed a randomized, double-blind, placebo (PLC)-controlled between-subject design to explore the social- and emotion-specific effects of AVP on both bottom-up and top-down attention processing with a validated emotional anti-saccade eye-tracking paradigm in 80 healthy male subjects (PLC = 40, AVP = 40). Our findings showed that AVP increased the error rate for social (angry, fearful, happy, neutral and sad faces) but not non-social (oval shapes) stimuli during the anti-saccade condition and reduced error rates in the pro-saccade condition. Comparison of these findings with a previous study (sample size: PLC = 33, OXT = 33) using intranasal oxytocin revealed similar effects of the two peptides on anti-saccade errors, although with some difference in effects of specific face emotions, but a significantly greater effect of AVP on pro-saccades. Both peptides also produced a post-task anxiolytic effect by reducing state anxiety. Together these findings suggested that both AVP and OXT decrease goal-directed top-down attention control to social salient stimuli but that AVP more potently increased bottom-up social attentional processing.
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