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Ju LS, Morey T, Gravenstein N, Setlow B, Seubert CN, Martynyuk AE. Effects of Cohabitation on Neurodevelopmental Outcomes in Rats Discordant for Neonatal Exposure to Sevoflurane. BIOLOGICAL PSYCHIATRY GLOBAL OPEN SCIENCE 2024; 4:100359. [PMID: 39282654 PMCID: PMC11400603 DOI: 10.1016/j.bpsgos.2024.100359] [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: 02/08/2024] [Revised: 06/03/2024] [Accepted: 07/02/2024] [Indexed: 09/19/2024] Open
Abstract
Background Having a sibling with autism spectrum disorder is a risk factor for autism spectrum disorder. We used a rat model in which the general anesthetic sevoflurane (SEVO) induces autism spectrum disorder-like neurodevelopmental abnormalities to test whether they can be transmitted via cohabitation. Methods Male rat pups from several litters were mixed and randomized to 3 new litter types: SEVO-exposed (SEVO), SEVO-unexposed (control), and equal numbers of SEVO-exposed and SEVO-unexposed (MIXED). After weaning, rats in experiment 1 were housed with littermates in SEVO, control, and MIXED (MIXED-exposed and MIXED-unexposed) pairs. In experiment 2, MIXED-exposed and MIXED-unexposed rats were paired with an unfamiliar naïve cagemate. Corticosterone levels, gene expression, central inflammatory markers (experiment 1), and behavior and corticosterone levels (experiment 2) were assessed in adulthood. Results In experiment 1, compared with control rats, SEVO rats exhibited abnormalities in the hypothalamic-pituitary-adrenal axis, inflammatory markers, oxytocin, arginine vasopressin, and DNA methylation systems. Almost all these measures in MIXED-exposed and MIXED-unexposed rats were statistically indistinguishable from and similar to those in SEVO or control rats, with most measures in MIXED rats being similar to those in SEVO rats. Experiment 2 showed that pairing with unfamiliar, naïve rats after weaning caused MIXED-unexposed and MIXED-exposed rats' behavior to be no different from that of control and SEVO rats, respectively; however, the 2 groups of MIXED rats also did not differ from each other. Conclusions These findings suggest that neurodevelopmental abnormalities can be transmitted to otherwise healthy individuals through interactions during cohabitation; however, subsequent pairing with unfamiliar, naïve cohabitants may weaken this interaction effect.
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Affiliation(s)
- Ling-Sha Ju
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
| | - Timothy Morey
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
| | - Nikolaus Gravenstein
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
| | - Barry Setlow
- McKnight Brain Institute, University of Florida College of Medicine, Gainesville, Florida
- Department of Psychiatry, University of Florida College of Medicine, Gainesville, Florida
| | - Christoph N Seubert
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
| | - Anatoly E Martynyuk
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
- McKnight Brain Institute, University of Florida College of Medicine, Gainesville, Florida
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Huang CW, Hu T, Zheng H, Wu YL, Li JM, Wang YM, Su WJ, Wang W, Liu YZ, Jiang CL. Contagion of depression: a double-edged sword. Transl Psychiatry 2024; 14:396. [PMID: 39349463 PMCID: PMC11443097 DOI: 10.1038/s41398-024-03124-2] [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: 04/05/2024] [Revised: 09/19/2024] [Accepted: 09/24/2024] [Indexed: 10/02/2024] Open
Abstract
Depression is a significant mental health issue with extensive economic implications, and recent studies suggest it may be transmitted between individuals. However, the mechanisms of this contagion remain unclear, and the social buffering effect has been understudied. This research employs three rodent models, including stress crossover, cohabitation-induced, and non-contact induced depression contagion models, to explore these mechanisms. Here, we report that that naive mice cohabiting with depressed mice showed increased corticosterone levels and depressive behaviors, unlike those with stressed mice, who did not exhibit these changes and even mitigated desperation in stressed mice. Non-contact cohabitation did not produce significant behavioral differences, but exposure to bedding from depressed mice reduced sucrose preference in naive mice. This study introduces reliable models of depression contagion, suggesting it operates independently of stress transmission. The interplay between depression contagion and social buffering may vary in different contexts. These findings provide new insights into the mechanisms of depression contagion and potential strategies for preventing depressive disorders.
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Affiliation(s)
- Chen-Wei Huang
- Department of Stress Medicine, Faculty of Psychology, Naval Medical University, Shanghai, 200433, China
| | - Ting Hu
- Department of Stress Medicine, Faculty of Psychology, Naval Medical University, Shanghai, 200433, China
| | - Hong Zheng
- Department of Stress Medicine, Faculty of Psychology, Naval Medical University, Shanghai, 200433, China
| | - Yi-Lin Wu
- Department of Stress Medicine, Faculty of Psychology, Naval Medical University, Shanghai, 200433, China
| | - Jia-Mei Li
- Department of Neurology, The 971st Hospital of PLA, Qingdao, 266071, China
| | - Yi-Ming Wang
- School of Basic Medicine, Naval Medical University, Shanghai, 200433, China
| | - Wen-Jun Su
- Department of Stress Medicine, Faculty of Psychology, Naval Medical University, Shanghai, 200433, China
| | - Wei Wang
- Department of Stress Medicine, Faculty of Psychology, Naval Medical University, Shanghai, 200433, China
| | - Yun-Zi Liu
- Department of Stress Medicine, Faculty of Psychology, Naval Medical University, Shanghai, 200433, China.
| | - Chun-Lei Jiang
- Department of Stress Medicine, Faculty of Psychology, Naval Medical University, Shanghai, 200433, China.
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Müller TE, Dos Santos MM, Ferreira SA, Claro MT, de Macedo GT, Fontana BD, Barbosa NV. Negative impacts of social isolation on behavior and neuronal functions are recovered after short-term social reintroduction in zebrafish. Prog Neuropsychopharmacol Biol Psychiatry 2024; 134:111038. [PMID: 38810717 DOI: 10.1016/j.pnpbp.2024.111038] [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: 11/10/2023] [Revised: 05/16/2024] [Accepted: 05/22/2024] [Indexed: 05/31/2024]
Abstract
Recently, social isolation measures were crucial to prevent the spread of the coronavirus pandemic. However, the lack of social interactions affected the population mental health and may have long-term consequences on behavior and brain functions. Here, we evaluated the behavioral, physiological, and molecular effects of a social isolation (SI) in adult zebrafish, and whether the animals recover such changes after their reintroduction to the social environment. Fish were submitted to 12 days of SI, and then reintroduced to social context (SR). Behavioral analyses to evaluate locomotion, anxiety-like and social-related behaviors were performed after SI protocol, and 3 and 6 days after SR. Cortisol and transcript levels from genes involved in neuronal homeostasis (c-fos, egr, bdnf), and serotonergic (5-HT) and dopaminergic (DA) neurotransmission (thp, th) were also measured. SI altered social behaviors in zebrafish such as aggression, social preference, and shoaling. Fish submitted to SI also presented changes in the transcript levels of genes related to neural activity, and 5-HT/DA signaling. Interestingly, most of the behavioral and molecular changes induced by SI were not found again 6 days after SR. Thus, we highlight that SR of zebrafish to their conspecifics played a positive role in social behaviors and in the expression of genes involved in different neuronal signaling pathways that were altered after 12 days of SI. This study brings unprecedented data on the effects of SR in the recovery from SI neurobehavioral alterations, and reinforces the role of zebrafish as a translational model for understanding the neurobiological mechanisms adjacent to SI and resocialization.
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Affiliation(s)
- Talise E Müller
- Laboratory of Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil.; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil..
| | - Matheus M Dos Santos
- Laboratory of Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil.; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Sabrina A Ferreira
- Laboratory of Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil.; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Mariana T Claro
- Laboratory of Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil.; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Gabriel T de Macedo
- Laboratory of Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil.; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Barbara D Fontana
- Department of Biological Sciences, Wayne State University, Detroit, MI 48202, USA
| | - Nilda V Barbosa
- Laboratory of Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Center of Natural and Exact Sciences, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil.; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria. 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil..
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Hernández-Mondragón JC, Hernández-Hernández DA, Crespo-Ramírez M, Prospero-García O, Rocha-Arrieta L, Fuxe K, Borroto-Escuela DO, Perez de la Mora M. Evidence for the existence of facilitatory interactions between the dopamine D2 receptor and the oxytocin receptor in the amygdala of the rat. Relevance for anxiolytic actions. Front Pharmacol 2023; 14:1251922. [PMID: 37900160 PMCID: PMC10603234 DOI: 10.3389/fphar.2023.1251922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 09/25/2023] [Indexed: 10/31/2023] Open
Abstract
Introduction: The amygdala is a limbic region of high value for understanding anxiety and its treatment. Dopamine D2 receptors (D2Rs) and oxytocin receptors (OXTRs) have both been shown to participate in modulating anxiety involving effects in the amygdala. The goal is to understand if D2R-OXTR heterocomplexes exist in the central amygdala and if, through enhancing allosteric receptor-receptor interactions, may enhance anxiolytic actions. Methods: The methods used involve the shock-probe burying test, the in situ proximity ligation assay (PLA), image acquisition and analysis, and the BRET2 assay. Bilateral cannulas were introduced into the amygdala, and the effects of the coadministration of oxytocin and the D2R-like agonist quinpirole into the amygdala were studied. Results: The combination treatment enhanced the anxiolytic effects compared to the single treatment. The D2R/D3R antagonist raclopride blocked the effects of the combination treatment of oxytocin and the D2R agonist, although oxytocin is regarded as a distinct modulator of fear-mediating anxiolytic effects. In situ PLA results indicate the existence of D2R-OXTR heteroreceptor complexes and/or the co-location of OXTR and D2R within the same cell membrane nanodomains in the central amygdala. With BRET2, evidence is given for the existence of D2R-OXTR heteromers in HEK293 cells upon co-transfection. Discussion: The enhanced behavioral effects observed upon co-treatment with OXTR and D2R agonists may reflect the existence of improved positive receptor-receptor interactions in the putative D2R-OXTR heterocomplexes in certain neuronal populations of the basolateral and central amygdala. The D2R-OXTR heterocomplex, especially upon agonist co-activation in the central amygdala, may open a new pharmacological venue for the treatment of anxiety.
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Affiliation(s)
| | | | - Minerva Crespo-Ramírez
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Oscar Prospero-García
- Laboratorio de Cannabinoides, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - Luisa Rocha-Arrieta
- Department of Pharmacobiology, Centro de Investigación y Estudios Avanzados (CINVESTAV, Sede Sur), Mexico City, Mexico
| | - Kjell Fuxe
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Dasiel O. Borroto-Escuela
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
- Receptomics and Brain Disorders Lab, Department of Human Physiology, Faculty of Medicine, University of Malaga, Málaga, Spain
| | - Miguel Perez de la Mora
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
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Jang M, Jung T, Jeong Y, Byun Y, Noh J. Oxytocin modulation in the medial prefrontal cortex of pair-exposed rats during fear conditioning. Psychoneuroendocrinology 2022; 141:105752. [PMID: 35367716 DOI: 10.1016/j.psyneuen.2022.105752] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 03/25/2022] [Accepted: 03/25/2022] [Indexed: 01/10/2023]
Abstract
INTRODUCTION Social buffering is the phenomenon, in which stress and fear reactions caused by exposure to stressful stimuli when animals are exposed to homogeneous relationships are attenuated. Social buffering reduces fear memory behavior such as escape, avoidance, and freezing behavior in rodents due to social existence. Here, we aimed to determine alterations of fear behavior and neural activity in the medial prefrontal cortex (mPFC) in response to the presence of another rat in fear-exposed conditions and to confirm the role of oxytocin in mPFC in regulating social buffering. METHODS We performed a passive avoidance test and determined positive c-Fos expression in single- and pair-exposed rats. Anisomycin (a protein synthesis inhibitor) and oxytocin receptor regulators (carbetocin; agonist and atosiban; antagonist) were microinjected into the mPFC to clarify the role of oxytocin in the mPFC. RESULTS While single-exposed rats showed a significant increase in both freezing and passive avoidance behaviors compared to control rats, pair-exposed rats showed significantly less fear behavior compared to single-exposed rats. The c-Fos expression in the prelimbic (PL) mPFC was significantly increased in pair-exposed rats compared to that in control and single-exposed rats. The pair-exposed effect was blocked by anisomycin injections into the PL mPFC of pair-exposed rats. Furthermore, when a carbetocin was injected into the PL mPFC in single-exposed rats, fear behavior was decreased, and these changes were blocked by atosiban. DISCUSSION Our findings suggest that reduction of fear-related behavior induced by acute pair-exposure is mediated by oxytocin receptors in the PL mPFC. Pair exposure with conspecifics during fear-inducing situations helps coping with fear by significantly increasing the role of oxytocin in the PL mPFC.
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Affiliation(s)
- Minji Jang
- Department of Science Education, Dankook University, 152 Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do 16890, Republic of Korea
| | - Taesub Jung
- Department of Science Education, Dankook University, 152 Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do 16890, Republic of Korea
| | - Yujeong Jeong
- Department of Science Education, Dankook University, 152 Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do 16890, Republic of Korea
| | - Younsoo Byun
- Department of Science Education, Dankook University, 152 Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do 16890, Republic of Korea
| | - Jihyun Noh
- Department of Science Education, Dankook University, 152 Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do 16890, Republic of Korea.
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