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Zhou H, Zhu R, Xia Y, Zhang X, Wang Z, Lorimer GH, Ghiladi RA, Bayram H, Wang J. Neuropeptides affecting social behavior in mammals: Oxytocin. Peptides 2024; 177:171223. [PMID: 38626843 DOI: 10.1016/j.peptides.2024.171223] [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: 01/23/2024] [Revised: 03/24/2024] [Accepted: 04/13/2024] [Indexed: 04/30/2024]
Abstract
Oxytocin (OXT), a neuropeptide consisting of only nine amino acids, is synthesized in the paraventricular and supraoptic nuclei of the hypothalamus. Although OXT is best known for its role in lactation and parturition, recent research has shown that it also has a significant impact on social behaviors in mammals. However, a comprehensive review of this topic is still lacking. In this paper, we systematically reviewed the effects of OXT on social behavior in mammals. These effects of OXT from the perspective of five key behavioral dimensions were summarized: parental behavior, anxiety, aggression, attachment, and empathy. To date, researchers have agreed that OXT plays a positive regulatory role in a wide range of social behaviors, but there have been controversially reported results. In this review, we have provided a detailed panorama of the role of OXT in social behavior and, for the first time, delved into the underlying regulatory mechanisms, which may help better understand the multifaceted role of OXT. Levels of OXT in previous human studies were also summarized to provide insights for diagnosis of mental disorders.
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Affiliation(s)
- Hong Zhou
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei University of Technology, Wuhan, Hubei 430068, China; International Center for Redox Biology & Precision Medicine of Hubei Province, Hubei University of Technology, Wuhan, Hubei 430068, China; National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, Hubei 430068, China
| | - Rui Zhu
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei University of Technology, Wuhan, Hubei 430068, China; International Center for Redox Biology & Precision Medicine of Hubei Province, Hubei University of Technology, Wuhan, Hubei 430068, China; National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, Hubei 430068, China
| | - Yuqing Xia
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei University of Technology, Wuhan, Hubei 430068, China; International Center for Redox Biology & Precision Medicine of Hubei Province, Hubei University of Technology, Wuhan, Hubei 430068, China; National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, Hubei 430068, China
| | - Xinming Zhang
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei University of Technology, Wuhan, Hubei 430068, China; International Center for Redox Biology & Precision Medicine of Hubei Province, Hubei University of Technology, Wuhan, Hubei 430068, China; National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, Hubei 430068, China
| | - Zixu Wang
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, Hubei 430068, China
| | | | - Reza A Ghiladi
- Department of Chemistry, North Carolina State University, Raleigh, NC 27695, USA
| | - Hasan Bayram
- Department of Pulmonary Medicine, Koç University School of Medicine, Istanbul 34450, Turkey
| | - Jun Wang
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei University of Technology, Wuhan, Hubei 430068, China; International Center for Redox Biology & Precision Medicine of Hubei Province, Hubei University of Technology, Wuhan, Hubei 430068, China; National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, Hubei 430068, China.
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Clarici A, Bulfon M, Radin Y, Panksepp J. Neuromodulation of safety and surprise in the early stages of infant development: affective homeostatic regulation in bodily and mental functions. Front Psychol 2024; 15:1395247. [PMID: 38903479 PMCID: PMC11187996 DOI: 10.3389/fpsyg.2024.1395247] [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: 03/03/2024] [Accepted: 05/22/2024] [Indexed: 06/22/2024] Open
Abstract
Developing a sense of internal safety and security depends mainly on others: numerous neuromodulators play a significant role in the homeostatic process, regulating the importance of proximity to a caregiver and experiencing feelings that enable us to regulate our interdependence with our conspecifics since birth. This array of neurofunctional structures have been called the SEPARATION DISTRESS system (now more commonly known as the PANIC/ GRIEF system). This emotional system is mainly involved in the production of depressive symptoms. The disruption of this essential emotional balance leads to the onset of feelings of panic followed by depression. We will focus on the neuropeptides that play a crucial role in social approach behavior in mammals, which enhance prosocial behavior and facilitate the consolidation of social bonds. We propose that most prosocial behaviors are regulated through the specific neuromodulators acting on salient intersubjective stimuli, reflecting an increased sense of inner confidence (safety) in social relationships. This review considers the neurofunctional link between the feelings that may ultimately be at the base of a sense of inner safety and the central neuromodulatory systems. This link may shed light on the clinical implications for the development of early mother-infant bonding and the depressive clinical consequences when this bond is disrupted, such as in post-partum depression, depressive feelings connected to, addiction, neurofunctional disorders, and psychological trauma.
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Affiliation(s)
- Andrea Clarici
- Department of Medical, Surgical and Health Sciences, Cattinara Hospital, University of Trieste, Trieste, Italy
| | - Matteo Bulfon
- Department of Pediatrics, Institute for Maternal and Child Health, IRCCS “Burlo Garofolo”, Trieste, Italy
| | - Yvonne Radin
- Department of Pediatrics, Institute for Maternal and Child Health, IRCCS “Burlo Garofolo”, Trieste, Italy
| | - Jaak Panksepp
- College of Veterinary Medicine, Washington State University, Pullman, WA, United States
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Conklin QA, Zanesco AP, King BG, Epel ES, Saron CD. Changes in peripheral oxytocin and vasopressin during a silent month-long Insight meditation retreat. Front Endocrinol (Lausanne) 2024; 15:1345527. [PMID: 38863930 PMCID: PMC11165068 DOI: 10.3389/fendo.2024.1345527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 04/30/2024] [Indexed: 06/13/2024] Open
Abstract
Background Given its putative roles in mediating prosocial behavior, attachment bonds, and stress physiology, oxytocin modulation has been hypothesized to be a biological correlate of the salubrious effects of meditation practice. Here we investigated the effects of a month-long silent meditation retreat on changes in oxytocin, and the related hormone and vasopressin, in relation to psychosocial changes in attachment style, anxiety, personality measures, and feelings of social connectedness with fellow meditators. Methods Plasma oxytocin and vasopressin and self-report questionnaires were measured in retreat participants (n = 28) at the beginning of, and 3 weeks into, a residential meditation retreat. Control participants (n = 34), who were similar in age, gender, and meditation experience, were also assessed across a 3-week interval. Linear mixed effects models were used to assess outcomes. Results The retreat group showed a small but significant decrease in oxytocin compared to controls who showed no change. In the retreat group, higher openness to experience at Time 1 predicted greater reductions in oxytocin during the retreat, and lower oxytocin at Time 2 was related to stronger feelings of personal connection with fellow meditators. The changes in oxytocin were not related to attachment style or anxiety. Vasopressin decreased over time across both groups, suggesting no specific effect of retreat. Conclusion These preliminary findings suggest that meditation training in the context of a silent residential retreat may reduce circulating levels of oxytocin. We interpret this finding from multiple theoretical perspectives, discussing key measurement limitations and proposing future study designs that may help to differentiate the effects of different meditation practices and contexts on oxytocin signaling.
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Affiliation(s)
- Quinn A. Conklin
- Center for Health and Community, University of California, San Francisco, San Francisco, CA, United States
- Center for Mind and Brain, University of California, Davis, Davis, CA, United States
| | - Anthony P. Zanesco
- Center for Mind and Brain, University of California, Davis, Davis, CA, United States
- Department of Psychology, University of Miami, Miami, FL, United States
| | - Brandon G. King
- Center for Mind and Brain, University of California, Davis, Davis, CA, United States
| | - Elissa S. Epel
- Center for Health and Community, University of California, San Francisco, San Francisco, CA, United States
- Department of Psychiatry, University of California, San Francisco, San Francisco, CA, United States
| | - Clifford D. Saron
- Center for Mind and Brain, University of California, Davis, Davis, CA, United States
- The MIND Institute, University of California, Davis, Davis, CA, United States
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Ryznar R, Andrews N, Emery K, Snow M, Payton M, Towne F, Gubler D. Specific Salivary Neuropeptides Shift Synchronously during Acute Stress in Fire Recruits. Brain Sci 2024; 14:492. [PMID: 38790470 PMCID: PMC11119501 DOI: 10.3390/brainsci14050492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/27/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Once thought of as an immune-privileged site, we now know that the nervous system communicates in a bidirectional manner with the immune system via the neuroimmune axis. Neuropeptides constitute a component of this axis, playing critical roles in the brain and periphery. The function of salivary neuropeptides in the acute stress response is not well understood. The purpose of this study is to investigate salivary neuropeptide levels during acute stress. Salivary samples were collected from fire recruits engaged in a stress training exercise previously shown to induce acute stress, at three separate timepoints during the exercise and levels of oxytocin, neurotensin, Substance P, α-MSH, and β-Endorphin were measured using the Human Neuropeptide 5-Plex Custom Assay Eve Technologies. All neuropeptides increased throughout the acute stress simulation and during the recovery phase. Exploratory factor analysis (EFA) identified one factor contributing to baseline values across five neuropeptides and Pairwise Pearson Correlation Coefficient analysis showed positive correlations >0.9 for almost all neuropeptide combinations at the pre-stress timepoint. Further analysis identified negative and positive correlations between past-life trauma and self-assessed hardiness, respectively. Calculated neuropeptide scores showed an overall positive correlation to self-assessed hardiness. Altogether, our results suggest that salivary neuropeptides increase synchronously during acute stress and higher levels correlate with an increase in self-assessed hardiness. Further study is required to determine if interventions designed to enhance neuropeptide activity can increase stress resilience, especially in high-stress occupations such as firefighting.
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Affiliation(s)
- Rebecca Ryznar
- Department of Biomedical Sciences, Rocky Vista University, Centennial, CO 80112, USA; (M.P.)
| | - Nathan Andrews
- College of Osteopathic Medicine, Rocky Vista University, Centennial, CO 80112, USA; (N.A.); (K.E.); (M.S.)
| | - Kyle Emery
- College of Osteopathic Medicine, Rocky Vista University, Centennial, CO 80112, USA; (N.A.); (K.E.); (M.S.)
| | - Michaela Snow
- College of Osteopathic Medicine, Rocky Vista University, Centennial, CO 80112, USA; (N.A.); (K.E.); (M.S.)
| | - Mark Payton
- Department of Biomedical Sciences, Rocky Vista University, Centennial, CO 80112, USA; (M.P.)
| | - Francina Towne
- Department of Biomedical Sciences, Rocky Vista University, Centennial, CO 80112, USA; (M.P.)
| | - Dean Gubler
- Department of Military Medicine, Rocky Vista University, Ivins, UT 84738, USA;
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Kim H, Taslakjian B, Kim S, Tirrell MV, Guler MO. Therapeutic Peptides, Proteins and their Nanostructures for Drug Delivery and Precision Medicine. Chembiochem 2024; 25:e202300831. [PMID: 38408302 DOI: 10.1002/cbic.202300831] [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: 12/08/2023] [Revised: 02/05/2024] [Accepted: 02/22/2024] [Indexed: 02/28/2024]
Abstract
Peptide and protein nanostructures with tunable structural features, multifunctionality, biocompatibility and biomolecular recognition capacity enable development of efficient targeted drug delivery tools for precision medicine applications. In this review article, we present various techniques employed for the synthesis and self-assembly of peptides and proteins into nanostructures. We discuss design strategies utilized to enhance their stability, drug-loading capacity, and controlled release properties, in addition to the mechanisms by which peptide nanostructures interact with target cells, including receptor-mediated endocytosis and cell-penetrating capabilities. We also explore the potential of peptide and protein nanostructures for precision medicine, focusing on applications in personalized therapies and disease-specific targeting for diagnostics and therapeutics in diseases such as cancer.
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Affiliation(s)
- HaRam Kim
- The Pritzker School of Molecular Engineering, The University of Chicago, 5640 S. Ellis Ave., Chicago, 60637, IL, USA
| | - Boghos Taslakjian
- The Pritzker School of Molecular Engineering, The University of Chicago, 5640 S. Ellis Ave., Chicago, 60637, IL, USA
| | - Sarah Kim
- The Pritzker School of Molecular Engineering, The University of Chicago, 5640 S. Ellis Ave., Chicago, 60637, IL, USA
| | - Matthew V Tirrell
- The Pritzker School of Molecular Engineering, The University of Chicago, 5640 S. Ellis Ave., Chicago, 60637, IL, USA
| | - Mustafa O Guler
- The Pritzker School of Molecular Engineering, The University of Chicago, 5640 S. Ellis Ave., Chicago, 60637, IL, USA
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Hendry E, McCallister B, Elman DJ, Freeman R, Borsook D, Elman I. Validity of mental and physical stress models. Neurosci Biobehav Rev 2024; 158:105566. [PMID: 38307304 PMCID: PMC11082879 DOI: 10.1016/j.neubiorev.2024.105566] [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: 11/06/2023] [Revised: 01/13/2024] [Accepted: 01/27/2024] [Indexed: 02/04/2024]
Abstract
Different stress models are employed to enhance our understanding of the underlying mechanisms and explore potential interventions. However, the utility of these models remains a critical concern, as their validities may be limited by the complexity of stress processes. Literature review revealed that both mental and physical stress models possess reasonable construct and criterion validities, respectively reflected in psychometrically assessed stress ratings and in activation of the sympathoadrenal system and the hypothalamic-pituitary-adrenal axis. The findings are less robust, though, in the pharmacological perturbations' domain, including such agents as adenosine or dobutamine. Likewise, stress models' convergent- and discriminant validity vary depending on the stressors' nature. Stress models share similarities, but also have important differences regarding their validities. Specific traits defined by the nature of the stressor stimulus should be taken into consideration when selecting stress models. Doing so can personalize prevention and treatment of stress-related antecedents, its acute processing, and chronic sequelae. Further work is warranted to refine stress models' validity and customize them so they commensurate diverse populations and circumstances.
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Affiliation(s)
- Erin Hendry
- Center for Autonomic and Peripheral Nerve Disorders, Harvard Medical School, Boston, MA, USA; Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Brady McCallister
- Center for Autonomic and Peripheral Nerve Disorders, Harvard Medical School, Boston, MA, USA
| | - Dan J Elman
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Roy Freeman
- Center for Autonomic and Peripheral Nerve Disorders, Harvard Medical School, Boston, MA, USA; Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - David Borsook
- Departments of Psychiatry and Radiology, Massachusetts General Hospital, Harvard Medical School, Department of Anesthesiology, Harvard Medical School, Boston, MA, USA.
| | - Igor Elman
- Department of Psychiatry, Cambridge Health Alliance, Harvard Medical School, Cambridge, MA, USA
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Chen Y, Sun J, Tao J, Sun T. Treatments and regulatory mechanisms of acoustic stimuli on mood disorders and neurological diseases. Front Neurosci 2024; 17:1322486. [PMID: 38249579 PMCID: PMC10796816 DOI: 10.3389/fnins.2023.1322486] [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: 10/16/2023] [Accepted: 12/13/2023] [Indexed: 01/23/2024] Open
Abstract
Acoustic stimuli such as music or ambient noise can significantly affect physiological and psychological health in humans. We here summarize positive effects of music therapy in premature infant distress regulation, performance enhancement, sleep quality control, and treatment of mental disorders. Specifically, music therapy exhibits promising effects on treatment of neurological disorders such as Alzheimer's disease (AD) and Parkinson's disease (PD). We also highlight regulatory mechanisms by which auditory intervention affects an organism, encompassing modulation of immune responses, gene expression, neurotransmitter regulation and neural circuitry. As a safe, cost-effective and non-invasive intervention, music therapy offers substantial potential in treating a variety of neurological conditions.
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Affiliation(s)
- Yikai Chen
- Center for Precision Medicine, School of Medicine and School of Biomedical Sciences, Huaqiao University, Xiamen, China
| | - Julianne Sun
- Xiamen Institute of Technology Attached School, Xiamen, China
| | - Junxian Tao
- Center for Precision Medicine, School of Medicine and School of Biomedical Sciences, Huaqiao University, Xiamen, China
| | - Tao Sun
- Center for Precision Medicine, School of Medicine and School of Biomedical Sciences, Huaqiao University, Xiamen, China
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8
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Fulenwider HD, Zhang Y, Ryabinin AE. Characterization of social hierarchy formation and maintenance in same-sex, group-housed male and female C57BL/6 J mice. Horm Behav 2024; 157:105452. [PMID: 37977023 PMCID: PMC10841988 DOI: 10.1016/j.yhbeh.2023.105452] [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: 03/30/2023] [Revised: 10/31/2023] [Accepted: 11/05/2023] [Indexed: 11/19/2023]
Abstract
Social hierarchies are a prevalent feature of all animal groups, and an individual's rank within the group can significantly affect their overall health, typically at the greatest expense of the lowest-ranked individuals, or omegas. These subjects have been shown to exhibit various stress-related phenotypes, such as increased hypothalamic-pituitary axis activity and increased amygdalar corticotropin-releasing factor levels compared to higher-ranked subjects. However, these findings have been primarily characterized in males and in models requiring exhibition of severe aggression. The goals of the current study, therefore, were to characterize the formation and maintenance of social hierarchies using the tube test and palatable liquid competition in same-sex groups of male and female C57BL/6 J mice. We also aimed to examine the effects of tube test-determined social rank on plasma and hypothalamic oxytocin and vasopressin levels, peptides with established roles in social behaviors and the stress response. Lastly, we assessed the effects of environmental enrichment and length of testing on the measures outlined above. Overall, we demonstrated that males and females develop social hierarchies and that these hierarchies can be determined using the tube test. While we were unable to establish a consistent connection between peptide levels and social rank, we observed transient changes in these peptides reflecting complex interactions between social rank, sex, environment, and length of testing. We also found that many male and female omegas began to exhibit passive coping behavior after repeated tube test losses, demonstrating the potential of this assay to serve as a model of chronic, mild psychosocial stress.
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Affiliation(s)
- Hannah D Fulenwider
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, USA
| | - Yangmiao Zhang
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, USA
| | - Andrey E Ryabinin
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, USA.
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Schalla MA, Stengel A. The role of stress in perinatal depression and anxiety - A systematic review. Front Neuroendocrinol 2024; 72:101117. [PMID: 38176543 DOI: 10.1016/j.yfrne.2023.101117] [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: 08/24/2023] [Revised: 11/29/2023] [Accepted: 12/31/2023] [Indexed: 01/06/2024]
Abstract
Perinatal depression (PND) and anxiety affect around 20% of women, but available pharmacotherapy is not sufficiently effective in 20-60% of them, indicating a need for better understanding of these diseases. Since stress is a significant risk factor for PND, the aim was to examine the role of biological, environmental and psychological stress in PND and anxiety through a systematic literature search. Overall 210 studies were included, among which numerous rodent studies showed that perinatal stress induced depressive-like and anxious behavior, which was associated with HPA-axis alterations and morphological brain changes. Human studies indicated that the relationship between cortisol and perinatal depression/anxiety was not as clear and with many contradictions, although social and psychological stress were clearly positively associated with PND. Finally, oxytocin, synthetic neuroactive steroid and n-3 PUFA diet have been identified as potentially beneficial in the therapy of PND and anxiety, worth to be investigated in the future.
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Affiliation(s)
- M A Schalla
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 12203 Berlin, Germany; Department of Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, Germany; Department of Gynecology and Obstetrics, Helios Clinic, Rottweil, Germany
| | - A Stengel
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 12203 Berlin, Germany; Department of Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, Germany; German Center für Mental Health (DZPG), Site Tübingen, Germany.
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10
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Zhang S, Zhang YD, Shi DD, Wang Z. Therapeutic uses of oxytocin in stress-related neuropsychiatric disorders. Cell Biosci 2023; 13:216. [PMID: 38017588 PMCID: PMC10683256 DOI: 10.1186/s13578-023-01173-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 11/18/2023] [Indexed: 11/30/2023] Open
Abstract
Oxytocin (OXT), produced and secreted in the paraventricular nucleus and supraoptic nucleus of magnocellular and parvocellular neurons. The diverse presence and activity of oxytocin suggests a potential for this neuropeptide in the pathogenesis and treatment of stress-related neuropsychiatric disorders (anxiety, depression and post-traumatic stress disorder (PTSD)). For a more comprehensive understanding of the mechanism of OXT's anti-stress action, the signaling cascade of OXT binding to targeting stress were summarized. Then the advance of OXT treatment in depression, anxiety, PTSD and the major projection region of OXT neuron were discussed. Further, the efficacy of endogenous and exogenous OXT in stress responses were highlighted in this review. To augment the level of OXT in stress-related neuropsychiatric disorders, current biological strategies were summarized to shed a light on the treatment of stress-induced psychiatric disorders. We also conclude some of the major puzzles in the therapeutic uses of OXT in stress-related neuropsychiatric disorders. Although some questions remain to be resolved, OXT has an enormous potential therapeutic use as a hormone that regulates stress responses.
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Affiliation(s)
- Sen Zhang
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wan Ping Nan Road, Shanghai, 200030, China
- College of Physical Education and Health, East China Normal University, Shanghai, China
| | - Ying-Dan Zhang
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wan Ping Nan Road, Shanghai, 200030, China
| | - Dong-Dong Shi
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wan Ping Nan Road, Shanghai, 200030, China.
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Zhen Wang
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 Wan Ping Nan Road, Shanghai, 200030, China.
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- Institute of Psychological and Behavioral Science, Shanghai Jiao Tong University, Shanghai, China.
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11
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Williams JS, Fattori MR, Honeyborne IR, Ritz SA. Considering hormones as sex- and gender-related factors in biomedical research: Challenging false dichotomies and embracing complexity. Horm Behav 2023; 156:105442. [PMID: 37913648 DOI: 10.1016/j.yhbeh.2023.105442] [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: 07/07/2023] [Revised: 10/05/2023] [Accepted: 10/15/2023] [Indexed: 11/03/2023]
Abstract
The inclusion of sex and gender considerations in biomedicine has been increasing in light of calls from research and funding agencies, governmental bodies, and advocacy groups to direct research attention to these issues. Although the inclusion of both female and male participants is often an important element, overreliance on a female-male binary tends to oversimplify the interactions between sex- and gender-related factors and health, and runs a risk of being influenced by cultural stereotypes about sex and gender. When biomedical researchers are examining how hormones associated with gender and sex may influence pathways of interest, it is of crucial importance to approach this work with a critical lens on the rhetoric used, and in ways that acknowledge the complexity of hormone physiology. Here, we document the ways in which discourses around sex, gender and hormones shape our scientific thinking and practice in biomedical research, and review how the existing scientific knowledge about hormones reflects a complex and dynamic reality that is often not reflected outside of specialist niches of hormone biology. Where biomedical scientists take up sex- and gender-associated hormones as a way of addressing sex and gender considerations, it is valuable for us to bring a critical lens to the rhetoric and discourses used, to employ a sex contextualist approach in designing experimentation, and be rigorous and reflexive about the approaches used in analysis and interpretation of data. These strategies will allow us to design experimentation that goes beyond binaries, and grapples more directly with the material intricacies of sex, gender, and hormones.
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Affiliation(s)
| | - Michelle R Fattori
- Health Sciences Education Program, McMaster University, Hamilton, Ontario, Canada
| | - Isabella R Honeyborne
- Bachelor of Health Sciences (Honours) Program, McMaster University, Hamilton, Ontario, Canada
| | - Stacey A Ritz
- Department of Pathology & Molecular Medicine, McMaster University, Hamilton, Ontario, Canada.
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12
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Kageyama T, Seo J, Yan L, Fukuda J. Effects of oxytocin on the hair growth ability of dermal papilla cells. Sci Rep 2023; 13:15587. [PMID: 37863919 PMCID: PMC10589336 DOI: 10.1038/s41598-023-40521-x] [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: 05/26/2023] [Accepted: 08/11/2023] [Indexed: 10/22/2023] Open
Abstract
Oxytocin (OXT) is a neuropeptide hormone termed "love hormone" produced and released during childbirth and lactation. It is also produced in response to skin stimulation (e.g., during hugging and massaging) and music therapy. The effects of OXT on various organs have been revealed in recent years; however, the relationship between hair follicles and OXT remains unclear. In this study, we examined the effects of OXT on dermal papilla (DP) cells that control hair growth by secreting growth/regression signals. Gene expression analysis revealed that DP signature markers were significantly upregulated in DP cells treated with OXT. In addition, we tested the hair growth-promoting effects of OXT using in vitro hair follicle organoids. OXT promoted the growth of hair peg-like sprouting by upregulating the expression of growth-promoting factors, including genes encoding vascular endothelial growth factor A (VEGFA). This study highlights the positive effects of OXT in hair follicles and may assist in the development of new treatments for alopecia.
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Affiliation(s)
- Tatsuto Kageyama
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-Ku, Yokohama, Kanagawa, 240-8501, Japan
- Institute of Advanced Sciences, Yokohama National University, 79-5 Tokiwadai, Hodogaya-Ku, Yokohama, Kanagawa, 240-8501, Japan
- Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado Takatsu-Ku, Kawasaki, Kanagawa, 213-0012, Japan
| | - Jieun Seo
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-Ku, Yokohama, Kanagawa, 240-8501, Japan
- Institute of Advanced Sciences, Yokohama National University, 79-5 Tokiwadai, Hodogaya-Ku, Yokohama, Kanagawa, 240-8501, Japan
| | - Lei Yan
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-Ku, Yokohama, Kanagawa, 240-8501, Japan
- Institute of Advanced Sciences, Yokohama National University, 79-5 Tokiwadai, Hodogaya-Ku, Yokohama, Kanagawa, 240-8501, Japan
- Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado Takatsu-Ku, Kawasaki, Kanagawa, 213-0012, Japan
| | - Junji Fukuda
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-Ku, Yokohama, Kanagawa, 240-8501, Japan.
- Institute of Advanced Sciences, Yokohama National University, 79-5 Tokiwadai, Hodogaya-Ku, Yokohama, Kanagawa, 240-8501, Japan.
- Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado Takatsu-Ku, Kawasaki, Kanagawa, 213-0012, Japan.
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13
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Matsuura T, Kawasaki M, Suzuki H, Fujitani T, Baba K, Nishimura H, Ikeda N, Yamanaka Y, Tsukamoto M, Yoshimi Y, Ohnishi H, Ueta Y, Sakai A. Nitric oxide synthase contributes to the maintenance of LTP in the oxytocin-mRFP1 neuron of the rat hypothalamus. J Neuroendocrinol 2023; 35:e13340. [PMID: 37776071 DOI: 10.1111/jne.13340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 07/21/2023] [Accepted: 08/11/2023] [Indexed: 10/01/2023]
Abstract
Oxytocin (OXT) is a neuropeptide hormone that plays a critical role in nociception. Long-term potentiation (LTP) is a major form of synaptic plasticity in the central nervous system. Recently, LTP has been reported in the hypothalamus; however, data on LTP in hypothalamic OXT-ergic neurons are unclear. Furthermore, the signaling pathways for hypothalamic OXT-ergic neuronal LTP and its physiological significance remain unknown. Herein, we aimed to investigate the induction of hypothalamic OXT-ergic neuronal LTP and its synaptic mechanism using OXT-monomeric red fluorescent protein 1 transgenic rats to visualize and record from OXT-ergic neurons. The hypothalamic paraventricular nucleus (PVN) OXT-ergic neuronal LTP induced by the pairing protocol was dependent on N-methyl-D-aspartate receptor (NMDAR). Furthermore, nitric oxide synthase (NOS) is required to maintain the LTP regardless of the NMDARs. In addition, hypothalamic OXT-ergic neuronal LTP was not induced in the adjuvant arthritis rat model but increased excitatory postsynaptic currents were detected. LTP in hypothalamic OXT-ergic neurons in the PVN in the presence of NOS may be involved in neuronal changes during OXT synthesis in chronic inflammation.
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Affiliation(s)
- Takanori Matsuura
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
- Department of Physiology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
- Moji Medical Center, Kitakyushu, Japan
- Nishinomiya Watanabe Hospital, Nishinomiya, Japan
| | - Makoto Kawasaki
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Hitoshi Suzuki
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Teruaki Fujitani
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Kazuhiko Baba
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Haruki Nishimura
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Naofumi Ikeda
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yoshiaki Yamanaka
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Manabu Tsukamoto
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | | | - Hideo Ohnishi
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
- Moji Medical Center, Kitakyushu, Japan
| | - Yoichi Ueta
- Department of Physiology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Akinori Sakai
- Department of Orthopedics, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
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14
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Mortimer AR, Mortimer RB. Psychological First Aid for Wilderness Trauma: Interventions for Expedition or Search and Rescue Team Members. Wilderness Environ Med 2023; 34:346-353. [PMID: 37105845 DOI: 10.1016/j.wem.2023.02.009] [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: 10/03/2022] [Revised: 02/03/2023] [Accepted: 02/22/2023] [Indexed: 04/29/2023]
Abstract
When exposed to actual or threatened death or serious injury in austere settings, expedition members are at risk of acute stress reactions, as are search and rescue members involved with extricating the patient. Acute stress reactions are a normal response to significant trauma and commonly resolve on their own. If they do not, they can lead to post-traumatic stress disorder (PTSD), a set of persistent symptoms that cause significant effects on the person's life. Medication has a limited preventive role in the field for treatment of stress partly because so few are trained to administer it. Contrastingly, psychological first aid can be performed by lay team members with minimal training. Psychological first aid consists of interventions attempting to encourage feelings of safety, calm, self-efficacy, connection, and hope. These are interventions that provide guidance to not make the situation emotionally worse and might have a preventive effect on later development of PTSD. They are valuable in the field not only for the patient but also for affected team members as well as for search and rescue team members who may be indirectly affected by the trauma and experience repercussions later.
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Affiliation(s)
- Amanda R Mortimer
- Department of Psychology, California State University, Fresno, Fresno, CA
| | - Roger B Mortimer
- Fresno Medical Education Program, Department of Family Medicine, University of California, San Francisco, San Francisco, CA.
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15
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Becker HC, Lopez MF, King CE, Griffin WC. Oxytocin Reduces Sensitized Stress-Induced Alcohol Relapse in a Model of Posttraumatic Stress Disorder and Alcohol Use Disorder Comorbidity. Biol Psychiatry 2023; 94:215-225. [PMID: 36822933 PMCID: PMC10247903 DOI: 10.1016/j.biopsych.2022.12.003] [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: 06/30/2022] [Revised: 11/29/2022] [Accepted: 12/02/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND There is high comorbidity of posttraumatic stress disorder (PTSD) and alcohol use disorder with few effective treatment options. Animal models of PTSD have shown increases in alcohol drinking, but effects of stress history on subsequent vulnerability to alcohol relapse have not been examined. Here we present a mouse model of PTSD involving chronic multimodal stress exposure that resulted in long-lasting sensitization to stress-induced alcohol relapse, and this sensitized stress response was blocked by oxytocin (OT) administration. METHODS Male and female mice trained to self-administer alcohol were exposed to predator odor (TMT) + yohimbine over 5 consecutive days or left undisturbed. After reestablishing stable alcohol responding/intake, mice were tested under extinction conditions, and then all mice were exposed to TMT or context cues previously associated with TMT before a reinstatement test session. Separate studies examined messenger RNA expression of Oxt and Oxtr in hypothalamus following chronic stress exposure. A final study examined the effects of systemic administration of OT on stress-induced alcohol relapse in mice with and without a history of chronic stress experience. RESULTS Chronic stress exposure produced long-lasting sensitization to subsequent stress-induced alcohol relapse that also generalized to stress-related context cues and transcriptional changes in hypothalamic OT system. OT injected before the reinstatement test session completely blocked the sensitized stress-induced alcohol relapse effect. CONCLUSIONS Collectively, these results provide support for the therapeutic potential of OT, along with highlighting the value of utilizing this model in evaluating other pharmacological interventions for treatment of PTSD/alcohol use disorder comorbidity.
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Affiliation(s)
- Howard C Becker
- Charleston Alcohol Research Center, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, South Carolina; Department of Neuroscience, Medical University of South Carolina, Charleston, South Carolina; Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston, South Carolina.
| | - Marcelo F Lopez
- Charleston Alcohol Research Center, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Courtney E King
- Charleston Alcohol Research Center, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - William C Griffin
- Charleston Alcohol Research Center, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, South Carolina
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16
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Shen G, Yang S, Wu L, Chen Y, Hu Y, Zhou F, Wang W, Liu P, Wu F, Liu Y, Wang F, Chen L. The oxytocin receptor rs2254298 polymorphism and alcohol withdrawal symptoms: a gene-environment interaction in mood disorders. Front Psychiatry 2023; 14:1085429. [PMID: 37520225 PMCID: PMC10380931 DOI: 10.3389/fpsyt.2023.1085429] [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: 10/31/2022] [Accepted: 07/04/2023] [Indexed: 08/01/2023] Open
Abstract
Objective Alcohol use disorder (AUD) is a common mental disorder characterized by repeated withdrawal episodes. Negative emotions during withdrawal are the primary factors affecting successful abstinence. Oxytocin is a critical modulator of emotions. OXTR, the oxytocin receptor, may also be a promising candidate for treating alcohol withdrawal symptoms. Previous studies indicated that people with different genotypes of OXTR rs2254298 were reported to suffer from more significant depressive or heightened anxiety symptoms when experiencing early adversity. The present study aims to explore the modulatory role of the polymorphism OXTR rs2254298 on mood disorders during alcohol withdrawal and to help researchers better understand and develop effective relapse prevention and interventions for alcohol use disorders. Methods We recruited 265 adult Chinese Han men with AUD. Anxiety and depressive symptoms were measured using the Self-Rating Anxiety Scale and Self-Rating Depression Scale. Alcohol dependence levels were measured using Michigan Alcoholism Screening Test. Genomic DNA extraction and genotyping from participants' peripheral blood samples. Result First, a multiple linear regression was used to set the alcohol dependence level, OXTR.rs2254298, interaction terms as the primary predictor variable, and depression or anxiety as an outcome; age and educational years were covariates. There was a significant interaction between OXTR rs2254298 and alcohol dependence level on anxiety (B = 0.23, 95% confidence interval [CI]: 0.01-0.45) but not on depression (B = -0.06, 95% CI: -0.30 - 0.18). The significance region test showed that alcohol-dependent men who are GG homozygous were more likely to experience anxiety symptoms than subjects with the A allele (A allele: β = 0.27, p < 0.001; GG homozygote: β = 0.50, p < 0.001). Finally, re-parameterized regression analysis demonstrated that this gene-environment interaction of OXTR rs2254298 and alcohol dependence on anxiety fits the weak differential susceptibility model (R2 = 0.17, F (5,259) = 13.46, p < 0.001). Conclusion This study reveals a gene-environment interactive effect between OXTR rs2254298 and alcohol withdrawal on anxiety but not depression. From the perspective of gene-environment interactions, this interaction fits the differential susceptibility model; OXTR rs2254298 GG homozygote carriers are susceptible to the environment and are likely to experience anxiety symptoms of alcohol withdrawal.
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Affiliation(s)
- Guanghui Shen
- Wenzhou Seventh People’s Hospital, Wenzhou, China
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Shizhuo Yang
- School of Pharmacy, Wenzhou Medical University, Wenzhou, China
| | - Liujun Wu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
- Applied Psychology (Ningbo) Research Center, Wenzhou Medical University, Ningbo, China
- Cixi Biomedical Research Institute, Wenzhou Medical University, Ningbo, China
| | - Yingjie Chen
- School of Pharmacy, Wenzhou Medical University, Wenzhou, China
- Cixi Biomedical Research Institute, Wenzhou Medical University, Ningbo, China
| | - Yueling Hu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Fan Zhou
- Department of Pediatrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Wei Wang
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Peining Liu
- Department of Pediatrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Fenzan Wu
- School of Pharmacy, Wenzhou Medical University, Wenzhou, China
- Laboratory of Translational Medicine, Affiliated Cixi Hospital, Wenzhou Medical University, Ningbo, China
| | - Yanlong Liu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Fan Wang
- Beijing Hui-Long-Guan Hospital, Peking University, Beijing, China
- Key Laboratory of Psychosomatic Medicine, Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Li Chen
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
- Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, Wenzhou Medical University, Wenzhou, China
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17
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Dong W, Ding Z, Wu X, Wan R, Liu Y, Pei L, Zhu W. The association between neuropeptide oxytocin and neuropsychiatric disorders after orthopedic surgery stress in older patients. BMC Geriatr 2023; 23:416. [PMID: 37420191 PMCID: PMC10329356 DOI: 10.1186/s12877-023-03989-w] [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: 11/04/2022] [Accepted: 04/22/2023] [Indexed: 07/09/2023] Open
Abstract
BACKGROUND The health outcomes of geriatric patients exposed to surgery were found to be enhanced by social support and stress management. The aim of this study was to characterise the relationship between oxytocin and neuropsychiatric disorders after surgery. METHODS A total of 132 geriatric patients aged ≥ 60 years received orthopedic surgery in the First Affiliated Hospital of Harbin Medical University (Harbin, China) were enrolled in the present study. The salivary levels of stress hormone cortisol and oxytocin were measured by enzyme-linked immunosorbent assay for the screening of the stress state and oxytocin function. Moreover, the Depression Anxiety and Stress Scale (DASS), the Geriatric Anxiety Inventory (GAI), the Geriatric Depression Scale (GDS) and the Montgomery-Åsberg Depression Rating Scale (MADRS) were conducted to identify the severity of anxiety and depression. The association between oxytocin and mental health was performed by linear regression analyses in older patients receiving orthopedic surgery. Finally, the Duke Social Support Index (DSSI) was selected to measure the social support and the potential link to mental outcomes. RESULTS The scores from questionnaires showed that female patients with higher social support and higher levels of oxytocin demonstrated better stress-reducing responses as reflected by lower cortisol and decreased anxiety and depression symptoms. Regression analyses revealed that there was a significant association between oxytocin and scores in DASS, GAI, GDS, MADRS and DSSI, suggesting a potential link between peripheral oxytocin function and mood outcomes after orthopedic surgery. CONCLUSIONS Our findings reveal that oxytocin enhances the stress-protective effects of social support and reduces anxiety and depression states under stressful circumstances, particularly in older women receiving orthopedic surgery.
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Affiliation(s)
- Wanru Dong
- Drug Safety Evaluation Center, Heilongjiang University of Chinese Medicine, Harbin, 150040, China
| | - Zengbo Ding
- National Institute On Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, Beijing, 100191, China
| | - Xiao Wu
- National Institute On Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, Beijing, 100191, China
| | - Ran Wan
- Department of Orthopedics, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Ying Liu
- College of Pharmacy, Hainan Medical College, Haikou, 570100, China
| | - Liubao Pei
- Department of Orthopedics, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China.
| | - Weili Zhu
- National Institute On Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, Beijing, 100191, China.
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18
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Craba A, Marano G, Kotzalidis GD, Avallone C, Lisci FM, Crosta ML, Callea A, Monti L, De Berardis D, Lai C, Balocchi M, Sessa I, Harnic D, Sani G, Mazza M. Resilience and Attachment in Patients with Major Depressive Disorder and Bipolar Disorder. J Pers Med 2023; 13:969. [PMID: 37373958 DOI: 10.3390/jpm13060969] [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: 03/30/2023] [Revised: 05/12/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Resilience represents one of the fundamental elements of attachment and has often been investigated in mood disorders. This study aims to investigate possible correlations between attachment and resilience in patients with major depressive disorder (MDD) and bipolar disorder (BD). METHODS 106 patients (51 MDD, 55 BD) and 60 healthy controls (HCs) were administered the 21-item Hamilton Depression Rating Scale (HAM-D-21), the Hamilton Anxiety Rating Scale (HAM-A), the Young Mania Rating Scale (YMRS), the Snaith-Hamilton Pleasure Scale (SHAPS), the Barratt Impulsiveness Scale-11 (BIS-11), the Toronto Alexithymia Scale (TAS), the Connor-Davidson Resilience Scale (CD-RISC), and Experiences in Close Relationship (ECR). RESULTS MDD and BD patients did not significantly differ from each other according to the HAM-D-21, HAM-A, YMRS, SHAPS, and TAS, while they scored higher than HCs on all these scales. Patients in the clinical group scored significantly lower on CD-RISC resilience than HCs (p < 0.01). A lower proportion of secure attachment was found among patients with MDD (27.4%) and BD (18.2%) compared to HCs (90%). In both clinical groups, fearful attachment prevailed (39.2% patients with MDD; 60% BD). CONCLUSIONS Our results highlight the central role played by early life experiences and attachment in participants with mood disorders. Our study confirms the data from previous research showing a significant positive correlation between the quality of attachment and the development of resilience capacity, and supports the hypothesis that attachment constitutes a fundamental aspect of resilience capacity.
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Affiliation(s)
- Ambra Craba
- Department of Geriatrics, Neuroscience and Orthopedics, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
- Department of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Giuseppe Marano
- Department of Geriatrics, Neuroscience and Orthopedics, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
- Department of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Georgios D Kotzalidis
- Department of Geriatrics, Neuroscience and Orthopedics, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
- Department of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
- Department of Neurosciences, Mental Health, and Sensory Organs (NESMOS), Sapienza University of Rome, 00189 Rome, Italy
| | - Carla Avallone
- Department of Geriatrics, Neuroscience and Orthopedics, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
- Department of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Francesco Maria Lisci
- Department of Geriatrics, Neuroscience and Orthopedics, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
- Department of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Maria Luigia Crosta
- Department of Geriatrics, Neuroscience and Orthopedics, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
- Department of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Antonino Callea
- Department of Human Sciences, LUMSA University, 00193 Rome, Italy
| | - Laura Monti
- UOS Psicologia Clinica, Governo Clinico, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
| | | | - Carlo Lai
- Department of Dynamic, Clinical Psychology and Health Studies, Faculty of Medicine and Psychology, Sapienza University of Rome, 00185 Rome, Italy
| | - Marta Balocchi
- Department of Geriatrics, Neuroscience and Orthopedics, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
- Department of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Ilenia Sessa
- Department of Geriatrics, Neuroscience and Orthopedics, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
- Department of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | | | - Gabriele Sani
- Department of Geriatrics, Neuroscience and Orthopedics, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
- Department of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Marianna Mazza
- Department of Geriatrics, Neuroscience and Orthopedics, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
- Department of Psychiatry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
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Mota-Rojas D, Marcet-Rius M, Domínguez-Oliva A, Martínez-Burnes J, Lezama-García K, Hernández-Ávalos I, Rodríguez-González D, Bienboire-Frosini C. The Role of Oxytocin in Domestic Animal’s Maternal Care: Parturition, Bonding, and Lactation. Animals (Basel) 2023; 13:ani13071207. [PMID: 37048463 PMCID: PMC10093258 DOI: 10.3390/ani13071207] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/22/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Oxytocin (OXT) is one of the essential hormones in the birth process; however, estradiol, prolactin, cortisol, relaxin, connexin, and prostaglandin are also present. In addition to parturition, the functions in which OXT is also involved in mammals include the induction of maternal behavior, including imprinting and maternal care, social cognition, and affiliative behavior, which can affect allo-parental care. The present article aimed to analyze the role of OXT and the neurophysiologic regulation of this hormone during parturition, how it can promote or impair maternal behavior and bonding, and its importance in lactation in domestic animals.
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Affiliation(s)
- Daniel Mota-Rojas
- Neurophysiology, Behavior and Animal Welfare Assessment, DPAA, Xochimilco Campus, Universidad Autónoma Metropolitana, Mexico City 04960, Mexico
| | - Míriam Marcet-Rius
- Department of Animal Behaviour and Welfare, Research Institute in Semiochemistry and Applied Ethology (IRSEA), 84400 Apt, France
| | - Adriana Domínguez-Oliva
- Neurophysiology, Behavior and Animal Welfare Assessment, DPAA, Xochimilco Campus, Universidad Autónoma Metropolitana, Mexico City 04960, Mexico
| | - Julio Martínez-Burnes
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Tamaulipas, Victoria City 87000, Mexico
| | - Karina Lezama-García
- Neurophysiology, Behavior and Animal Welfare Assessment, DPAA, Xochimilco Campus, Universidad Autónoma Metropolitana, Mexico City 04960, Mexico
| | - Ismael Hernández-Ávalos
- Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de Mexico (UNAM), Cuautitlán 54714, Mexico
| | - Daniela Rodríguez-González
- Neurophysiology, Behavior and Animal Welfare Assessment, DPAA, Xochimilco Campus, Universidad Autónoma Metropolitana, Mexico City 04960, Mexico
| | - Cécile Bienboire-Frosini
- Department of Molecular Biology and Chemical Communication, Research Institute in Semiochemistry and Applied Ethology (IRSEA), 84400 Apt, France
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20
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Ohmura N, Okuma L, Truzzi A, Esposito G, Kuroda KO. Maternal physiological calming responses to infant suckling at the breast. J Physiol Sci 2023; 73:3. [PMID: 36918820 DOI: 10.1186/s12576-023-00860-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 03/02/2023] [Indexed: 03/16/2023]
Abstract
The mother-infant relation is key to infant physical, cognitive and social development. Mutual regulation and cooperation are required to maintain the dyadic system, but the biological foundation of these responses remains to be clarified. In this study, we report the maternal calming responses to infant suckling during breastfeeding. Using behavioral measures and a Holter electrocardiogram as a readout of the maternal autonomic nervous system, the maternal activities during resting, sitting with her infant on her lap, and breastfeeding were assessed. We found that during breastfeeding, mothers talked less and maternal heart rate was lower than during sitting with the infant without breastfeeding. Congruently, maternal heart rate variability measurements indicated a higher parasympathetic activity during breastfeeding. Time-locked analyses suggested that this maternal calming response was initiated by the tactile stimulation at the breast by the infant face or mouth latch, which preceded the perceived milk ejection. These findings suggest that somatosensory stimuli of breastfeeding activate parasympathetic activity in mothers. Just as how the infant Transport Response facilitates the carrying of infants, the maternal calming responses during breastfeeding may promote efficient milk intake by inhibiting spontaneous maternal activities.
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Affiliation(s)
- Nami Ohmura
- Laboratory for Affiliative Social Behavior, RIKEN Center for Brain Science, 351-0198, Saitama, Japan.
| | - Lana Okuma
- Laboratory for Affiliative Social Behavior, RIKEN Center for Brain Science, 351-0198, Saitama, Japan.,Laboratory for Human Cognition and Learning, RIKEN Center for Brain Science, Saitama, 351-0198, Japan
| | - Anna Truzzi
- Department of Psychology and Cognitive Science, University of Trento, Rovereto, TN, Italy.,School of Psychology, Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland
| | - Gianluca Esposito
- Department of Psychology and Cognitive Science, University of Trento, Rovereto, TN, Italy
| | - Kumi O Kuroda
- Laboratory for Affiliative Social Behavior, RIKEN Center for Brain Science, 351-0198, Saitama, Japan.
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21
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Male Stressed Mice Having Behavioral Control Exhibit Escalations in Dorsal Dentate Adult-Born Neurons and Spatial Memory. Int J Mol Sci 2023; 24:ijms24031983. [PMID: 36768303 PMCID: PMC9916676 DOI: 10.3390/ijms24031983] [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: 12/13/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
An escapable (ES)/inescapable stress (IS) paradigm was used to study whether behavioral control and repeated footshock stressors may affect adult neurogenesis and related cognitive function. Male stressed mice having behavioral control (ES) had a short-term escalation in dorsal dentate gyrus (DG) neurogenesis, while similarly stressed mice having no such control had unaltered neurogenesis as compared to control mice receiving no stressors. Paradoxically, ES and IS mice had comparable stress-induced corticosterone elevations throughout the stress regimen. Appetitive operant conditioning and forced running procedures were used to model learning and exercise effects in this escapable/inescapable paradigm. Further, conditioning and running procedures did not seem to affect the mice's corticosterone or short-term neurogenesis. ES and IS mice did not show noticeable long-term changes in their dorsal DG neurogenesis, gliogenesis, local neuronal density, apoptosis, autophagic flux, or heterotypic stress responses. ES mice were found to have a greater number of previously labeled and functionally integrated DG neurons as compared to IS and control mice 6 weeks after the conclusion of the stressor regimen. Likewise, ES mice outperformed IS and non-stressed control mice for the first two, but not the remaining two, trials in the object location task. Compared to non-stressed controls, temozolomide-treated ES and IS mice having a lower number of dorsal DG 6-week-old neurons display poor performance in their object location working memory. These results, taken together, prompt us to conclude that repeated stressors, albeit their corticosterone secretion-stimulating effect, do not necessary affect adult dorsal DG neurogenesis. Moreover, stressed animals having behavioral control may display adult neurogenesis escalation in the dorsal DG. Furthermore, the number of 6-week-old and functionally-integrated neurons in the dorsal DG seems to confer the quality of spatial location working memory. Finally, these 6-week-old, adult-born neurons seem to contribute spatial location memory in a use-dependent manner.
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Sims M, Cauble RN, Powell J, Kegley B, Foote AP, Salak-Johnson JL, Beck P. Association of maternal temperament and offspring disposition on growth performance. Transl Anim Sci 2022; 7:txac164. [PMID: 36655230 PMCID: PMC9838100 DOI: 10.1093/tas/txac164] [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: 09/22/2022] [Accepted: 12/08/2022] [Indexed: 12/15/2022] Open
Abstract
Animal behavior is complex and varies in definition, depending upon specific traits under observation. Temperament is one component of behavior, that in cattle, is described as the level of fearfulness to a novel or threatening environment. Temperament is a heritable trait which is important since aggressiveness and docility contribute to reproductive success, growth, and carcass quality. We observed maternal temperament at calving and the subsequent influence, if any, on offspring disposition at weaning and their effects collectively on growth performance and carcass traits. Maternal behaviors at calving were observed at four locations within the University of Arkansas system. Cows were assigned a maternal disposition score (MDS) at calving; a scale from 1 to 5 in which aggression decreases. At weaning, calves were assigned a chute score (CS); a scale from 1 to 6 in which aggression increases. Both scoring systems have been previously established. Blood was collected during the 56-d backgrounding period postweaning for blood glucose analysis. Data were analyzed using GLIMMIX procedures of SAS (α = 0.05). The relationship between the two scoring systems was determined with a Pearson correlation (P = 0.22). Animal was the experimental unit and blocked by location for all dependent variables. Location, sex, diet, and MDS were included in the class as covariables for all growth performance and carcass data related to CS. Cows that were more aggressive birthed heavier calves (P < 0.01) compared to indifferent cows. Calves born to cows with either very aggressive or very attentive (MDS of 2 or 3, respectively) scores were heavier upon feedlot entry (P = 0.03) compared to those from indifferent or apathetic cows (MDS of 4 or 5, respectively). Calves defined as nervous and restless (CS of 3 and 2, respectively) were heavier at weaning compared to docile calves (P < 0.01). Restless calves were heavier compared to nervous calves upon arrival and exiting the feedlot (P ≤ 0.01). Calves that were docile at weaning had greater marbling compared to calves that were restless (P ≤ 0.01). Calves that were restless at weaning had greater lean muscle area compared to calves that were nervous (P = 0.05). No definitive relationship was determined between dam and calf temperament. However, the results suggest temperament does impact growth performance and carcass traits but whether the influence comes from the dam or calf temperament, specifically, remains unanswered.
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Affiliation(s)
- Michael Sims
- Ten Triple X Ranch, Glen Rose, TX 76652, USA,Department of Animal and Food Sciences, Oklahoma State University, Stillwater, OK 74074, USA
| | | | - Jeremy Powell
- Division of Agriculture, Department of Animal Science, University of Arkansas, Fayetteville, AR 72701, USA
| | - Beth Kegley
- Division of Agriculture, Department of Animal Science, University of Arkansas, Fayetteville, AR 72701, USA
| | - Andrew P Foote
- Department of Animal and Food Sciences, Oklahoma State University, Stillwater, OK 74074, USA
| | - Janeen L Salak-Johnson
- Department of Animal and Food Sciences, Oklahoma State University, Stillwater, OK 74074, USA
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Morita A, Shikano A, Nakamura K, Noi S, Fujiwara T. Oxytocin Reactivity during a Wilderness Program without Parents in Adolescents. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:15437. [PMID: 36497512 PMCID: PMC9737778 DOI: 10.3390/ijerph192315437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/05/2022] [Accepted: 11/15/2022] [Indexed: 06/17/2023]
Abstract
While wilderness programs are recognized as a feasible intervention to promote psychological independence in adolescence, little is known about physiological changes. The present study focused on oxytocin, a key hormone for social cognition and behavior, and investigated changes in OT concentrations during a wilderness program among adolescents. Twenty-one 4th-7th graders were separated from parents and immersed with adventures and challenges in the woodlands of Motegi, Tochigi Prefecture, Japan for 31 days, and dataset of 20 boys aged 9-13 years-old were used for analysis. OT concentrations in early morning saliva samples on days 2, 5, 8, 13, 18, 20, 21, 22 and 30 were determined using ELIZA. We performed multi-level regression analyses to compare the OT concentrations before and after solo and team-based survival challenges, and across the nine observational points, adjusting for potential covariates. We found that adolescents increased OT level in a situation where they needed others' cooperation and support for survival (coefficient: 2.86, SE: 1.34, p = 0.033). Further, we found that adolescents gradually decreased their basal OT level during a long separation from parents (coefficient: -0.083, SE: 0.034, p = 0.016). A combination of these findings suggest the OT level may be a marker for psychological independence.
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Affiliation(s)
- Ayako Morita
- Department of Global Health Promotion, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
| | - Akiko Shikano
- Research Institute for Health and Sport Science, Nippon Sport Science University, Tokyo 158-8508, Japan
| | - Kazuaki Nakamura
- Department of Pharmacology, National Research Institute for Child Health and Development, Tokyo 157-0074, Japan
| | - Shingo Noi
- Research Institute for Health and Sport Science, Nippon Sport Science University, Tokyo 158-8508, Japan
| | - Takeo Fujiwara
- Department of Global Health Promotion, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
- Department of Social Medicine, National Research Institute for Child Health and Development, Tokyo 157-0074, Japan
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Ugartemendia L, De Guzman RM, Cai J, Rajamanickam S, Jiang Z, Tao J, Zuloaga DG, Justice NJ. A subpopulation of oxytocin neurons initiate expression of CRF receptor 1 (CRFR1) in females post parturition. Psychoneuroendocrinology 2022; 145:105918. [PMID: 36116320 PMCID: PMC9881188 DOI: 10.1016/j.psyneuen.2022.105918] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 09/02/2022] [Accepted: 09/04/2022] [Indexed: 02/06/2023]
Abstract
Oxytocin (OT) is essential for successful reproduction, particularly during parturition and lactation. During the postpartum period, OT also influences maternal behavior to promote bonding between mothers and their newborns, and increases stress resilience. However, the mechanism by which stress influences OT neuron activity and OT release has remained unclear. Here, we provide evidence that a subpopulation of OT neurons initiate expression of the receptor for the stress neuropeptide Corticotropin Releasing Factor (CRF), CRFR1, in reproductive females. OT neuron expression of CRFR1 begins at the first parturition and increases during the postpartum period until weaning. The percentage of OT neurons that express CRFR1 increases with successive breeding cycles until it reaches a plateau of 20-25% of OT neurons. OT neuron expression of CRFR1 in reproductive females is maintained after they are no longer actively breeding. CRFR1 expression leads to activation of OT neurons when animals are stressed. We propose a model in which direct CRF signaling to OT neurons selectively in reproductive females potentiates OT release to promote stress resilience in mothers.
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Affiliation(s)
- Lierni Ugartemendia
- Center for Metabolic and Degenerative Diseases, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Sciences Center, Houston, TX 77030, United States
| | - Rose M De Guzman
- Department of Psychology, University at Albany, Albany, NY 12222, United States
| | - Jing Cai
- Center for Metabolic and Degenerative Diseases, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Sciences Center, Houston, TX 77030, United States
| | - Shivakumar Rajamanickam
- Center for Metabolic and Degenerative Diseases, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Sciences Center, Houston, TX 77030, United States
| | - Zhiying Jiang
- Center for Metabolic and Degenerative Diseases, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Sciences Center, Houston, TX 77030, United States
| | - Jonathan Tao
- Center for Metabolic and Degenerative Diseases, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Sciences Center, Houston, TX 77030, United States
| | - Damian G Zuloaga
- Department of Psychology, University at Albany, Albany, NY 12222, United States.
| | - Nicholas J Justice
- Center for Metabolic and Degenerative Diseases, Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Sciences Center, Houston, TX 77030, United States.
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25
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Sunahara CS, Wilson SJ, Rosenfield D, Alvi T, Szeto A, Mendez AJ, Tabak BA. Oxytocin reactivity to a lab-based stressor predicts support seeking after stress in daily life: Implications for the Tend-and-Befriend theory. Psychoneuroendocrinology 2022; 145:105897. [PMID: 36095915 DOI: 10.1016/j.psyneuen.2022.105897] [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: 04/04/2022] [Revised: 07/08/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022]
Abstract
Social relationships play an important role in mental and physical health, particularly during times of stress. However, little is known about the biological mechanisms underlying the tendency to seek support following stress. The Tend-and-Befriend theory suggests that oxytocin (OT) may enhance the desire for social contact in response to stress. Yet, no studies in humans have provided empirical support for the connection between stress-induced changes in endogenous OT and increased support seeking after stress. In the present study, 94 participants performed a standardized laboratory stressor and then completed two weeks of daily assessments of support seeking after stress. In line with preregistered hypotheses, stress-induced plasma OT reactivity to the laboratory stressor was associated with more frequent support seeking behaviors following stress in daily life (i.e., outside of the laboratory). Additional results suggested that attachment anxiety (but not avoidance) strengthened this association. Our findings implicate the OT system in affiliative behaviors following stress, providing empirical support for the Tend-and-Befriend theory.
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Affiliation(s)
- Cecile S Sunahara
- Department of Psychology, Southern Methodist University, Dallas, TX, United States
| | - Stephanie J Wilson
- Department of Psychology, Southern Methodist University, Dallas, TX, United States
| | - David Rosenfield
- Department of Psychology, Southern Methodist University, Dallas, TX, United States
| | - Talha Alvi
- Department of Psychology, Southern Methodist University, Dallas, TX, United States
| | - Angela Szeto
- Department of Psychology, University of Miami, Miami, FL, United States
| | - Armando J Mendez
- Diabetes Research Institute, Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Benjamin A Tabak
- Department of Psychology, Southern Methodist University, Dallas, TX, United States.
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Petroni V, Subashi E, Premoli M, Memo M, Lemaire V, Pietropaolo S. Long-term behavioral effects of prenatal stress in the Fmr1-knock-out mouse model for fragile X syndrome. Front Cell Neurosci 2022; 16:917183. [PMID: 36385949 PMCID: PMC9647640 DOI: 10.3389/fncel.2022.917183] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 10/13/2022] [Indexed: 11/25/2022] Open
Abstract
Fragile X syndrome (FXS) is a major neurodevelopmental disorder and the most common monogenic cause of autism spectrum disorder (ASD). FXS is caused by a mutation in the X-linked FMR1 gene leading to the absence of the FMRP protein, inducing several behavioral deficits, including motor, emotional, cognitive, and social abnormalities. Beside its clear genetic origins, FXS can be modulated by environmental factors, e.g., stress exposure: indeed the behavioral phenotype of FXS, as well as of ASD patients can be exacerbated by the repeated experience of stressful events, especially early in life. Here we investigated the long-term effects of prenatal exposure to unpredictable chronic stress on the behavioral phenotype of the Fmr1-knock-out (KO) mouse model for FXS and ASD. Mice were tested for FXS- and ASD-relevant behaviors first at adulthood (3 months) and then at aging (18 months), in order to assess the persistence and the potential time-related progression of the stress effects. Stress induced the selective emergence of behavioral deficits in Fmr1-KO mice that were evident in spatial memory only at aging. Stress also exerted several age-specific behavioral effects in mice of both genotypes: at adulthood it enhanced anxiety levels and reduced social interaction, while at aging it enhanced locomotor activity and reduced the complexity of ultrasonic calls. Our findings underline the relevance of gene-environment interactions in mouse models of neurodevelopmental syndromes and highlight the long-term behavioral impact of prenatal stress in laboratory mice.
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Affiliation(s)
- Valeria Petroni
- Univ. Bordeaux, CNRS, INCIA, UMR 5287, F-33000 Bordeaux, France
| | - Enejda Subashi
- Univ. Bordeaux, CNRS, INCIA, UMR 5287, F-33000 Bordeaux, France
| | - Marika Premoli
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Maurizio Memo
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Valerie Lemaire
- Univ. Bordeaux, CNRS, INCIA, UMR 5287, F-33000 Bordeaux, France
| | - Susanna Pietropaolo
- Univ. Bordeaux, CNRS, INCIA, UMR 5287, F-33000 Bordeaux, France
- *Correspondence: Susanna Pietropaolo,
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Pati D, Krause EG, Frazier CJ. Intrahypothalamic effects of oxytocin on PVN CRH neurons in response to acute stress. CURRENT OPINION IN ENDOCRINE AND METABOLIC RESEARCH 2022; 26:100382. [PMID: 36618014 PMCID: PMC9815561 DOI: 10.1016/j.coemr.2022.100382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Much of the centrally available oxytocin (OT) is synthesized in magnocellular neurons located in the paraventricular nucleus of the hypothalamus. This same area is home to parvocellular corticotropin-releasing hormone (CRH) synthesizing neurons that regulate activation of the hypothalamic-pituitary-adrenal (HPA) axis. A large body of data indicates that complex interactions between these systems inextricably link central OT signaling with the neuroendocrine response to stress. This review focuses on a small but diverse set of cellular and synaptic mechanisms that have been proposed to underlie intrahypothalamic OT/CRF interactions during the response to acute stress.
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Affiliation(s)
- Dipa Pati
- Department of Pharmacodynamics, College of Pharmacy, University of Florida
| | - Eric G. Krause
- Center for Integrative Cardiovascular and Metabolic Diseases, University of Florida, Gainesville, FL
- Evelyn F. and William L. McKnight Brain Institute, University of Florida, Gainesville, FL
- Department of Pharmacodynamics, College of Pharmacy, University of Florida
| | - Charles J. Frazier
- Center for Integrative Cardiovascular and Metabolic Diseases, University of Florida, Gainesville, FL
- Evelyn F. and William L. McKnight Brain Institute, University of Florida, Gainesville, FL
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The effects of moderate-intensity step-aerobics, spinning, and educational game exercise programs on plasma dopamine and oxytocin levels in women in the menopausal transition period. JOURNAL OF SURGERY AND MEDICINE 2022. [DOI: 10.28982/josam.7435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Background/Aim: Menopausal transition (MT) is defined as the transition from reproductive to post-reproductive life. Oxytocin has beneficial effects on health problems, such as sexual activity disorder, vaginal atrophy, cardiovascular system diseases and acceleration in bone mass loss, which may develop due to changes in reproductive hormone levels during the MT period. During exercise, which can be used as adjuvant therapy for most of these health problems, a temporary increase in catecholamine levels is required for response to exercise-induced stress. However, the effects of exercise programs applied during the MT period on plasma dopamine (pDA) and plasma oxytocin (pOT) levels are unknown. The aim of this study was to investigate the effects of three different types of exercise on plasma dopamine (pDA) and plasma oxytocin (pOT) levels in sedentary women in the MT period.
Methods: Twenty-six sedentary healthy participants in the MT period whose fitness levels in the standard maximal exercise treadmill test were at a level that would complement the exercise programs in our study, were included in the study. Participants with the following conditions were excluded from the study: physical disability that would not allow exercise, systemic disease, unilateral oophorectomy, or history of smoking. In addition, participants who could not complete any of the exercise programs for any reason were excluded from the study. Three different exercise programs at moderate intensity [maximum heart rate (HR) = 50%-60%] of 60 minutes duration were performed by the participants at one-week intervals: (i) step-aerobics (SA), (ii) spinning (SP) and (iii) station work in the form of recreational educational games (EG). pOT and pDA levels were measured using the enzyme-linked immunosorbent assay method in venous blood samples taken from participants before the exercise and during the last five minutes of the exercise. pOT and pDA levels measured before the exercise and in the last five minutes of the exercise were compared.
Results: The median age was 45 (41-45) and the body mass index (BMI) was 29 (27-34). There was a significant increase in mean pDA levels during exercise compared to pre-exercise in all three activities of moderate-intensity, SA, SP, and EG (P = 0.008, P = 0.001 and P = 0.030, respectively). The mean pOT level increased significantly during moderate-intensity SA and EG (P = 0.003 and P = 0.001, respectively). When the relationships between pDA and pOT levels and the variables of age, BMI, pulse rate, and maximum HR during all three exercises were evaluated, there was a significant positive correlation between pOT levels and maximum HR only during EG (r = 0.439, P = 0.028).
Conclusions: This study showed that SA and EG applied in women in the MT period increased both pDA and pOT levels, while SP only increased the pDA level significantly. Therefore, SA and EG exercises can contribute positively to the quality of life of women with health problems due to low pOT levels during the MT period.
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Molecular Mechanisms Underlying Stress Response and Resilience. Int J Mol Sci 2022; 23:ijms23169007. [PMID: 36012271 PMCID: PMC9409481 DOI: 10.3390/ijms23169007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 08/11/2022] [Indexed: 11/25/2022] Open
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Florea T, Palimariciuc M, Cristofor AC, Dobrin I, Chiriță R, Bîrsan M, Dobrin RP, Pădurariu M. Oxytocin: Narrative Expert Review of Current Perspectives on the Relationship with Other Neurotransmitters and the Impact on the Main Psychiatric Disorders. Medicina (B Aires) 2022; 58:medicina58070923. [PMID: 35888641 PMCID: PMC9318841 DOI: 10.3390/medicina58070923] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/04/2022] [Accepted: 07/08/2022] [Indexed: 12/23/2022] Open
Abstract
Is a cyclic neuropeptide produced primarily in the hypothalamus and plays an important neuromodulatory role for other neurotransmitter systems, with an impact on behavior, response to danger, stress, and complex social interactions, such as pair bonding and child care. This narrative expert review examines the literature on oxytocin as a brain hormone. We focused on oxytocin structure, distribution, genetics, and the oxytocin receptor system, as well as the relationship of oxytocin with other neurotransmitters and the resulting impacts on the main psychiatric disorders. Oxytocin levels have been correlated over time with mental illness, with numerous studies focusing on oxytocin and the pathophysiology of the main psychiatric disorders, such as autism, schizophrenia, personality disorders, mood, and eating disorders. We highlight the role oxytocin plays in improving symptoms such as anxiety, depression, and social behavior, as the literature suggests. Risk factors and causes for psychiatric disorders range from genetic to environmental and social factors. Oxytocin could impact the latter, being linked with other neurotransmitter systems that are responsible for integrating different situations during the development phases of individuals. Also, these systems have an important role in how the body responds to stressors or bonding with others, helping with the creation of social support groups that could speed up recovery in many situations. Oxytocin has the potential to become a key therapeutic agent for future treatment and prevention strategies concerning the main psychiatric disorders.
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Affiliation(s)
- Tudor Florea
- Department of Medicine III, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 Universității Street, 700115 Iasi, Romania; (T.F.); (M.P.); (A.C.C.); (I.D.); (R.C.)
| | - Matei Palimariciuc
- Department of Medicine III, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 Universității Street, 700115 Iasi, Romania; (T.F.); (M.P.); (A.C.C.); (I.D.); (R.C.)
- Institute of Psychiatry “Socola”, 36 Bucium Street, 700282 Iasi, Romania;
| | - Ana Caterina Cristofor
- Department of Medicine III, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 Universității Street, 700115 Iasi, Romania; (T.F.); (M.P.); (A.C.C.); (I.D.); (R.C.)
- Institute of Psychiatry “Socola”, 36 Bucium Street, 700282 Iasi, Romania;
| | - Irina Dobrin
- Department of Medicine III, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 Universității Street, 700115 Iasi, Romania; (T.F.); (M.P.); (A.C.C.); (I.D.); (R.C.)
- Institute of Psychiatry “Socola”, 36 Bucium Street, 700282 Iasi, Romania;
| | - Roxana Chiriță
- Department of Medicine III, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 Universității Street, 700115 Iasi, Romania; (T.F.); (M.P.); (A.C.C.); (I.D.); (R.C.)
- Institute of Psychiatry “Socola”, 36 Bucium Street, 700282 Iasi, Romania;
| | - Magdalena Bîrsan
- Department of Drug Industry and Pharmaceutical Biotechnology, Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy of Iaşi, 16 Universităţii Street, 700115 Iaşi, Romania;
| | - Romeo Petru Dobrin
- Department of Medicine III, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 Universității Street, 700115 Iasi, Romania; (T.F.); (M.P.); (A.C.C.); (I.D.); (R.C.)
- Institute of Psychiatry “Socola”, 36 Bucium Street, 700282 Iasi, Romania;
- Correspondence:
| | - Manuela Pădurariu
- Institute of Psychiatry “Socola”, 36 Bucium Street, 700282 Iasi, Romania;
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McParlin Z, Cerritelli F, Rossettini G, Friston KJ, Esteves JE. Therapeutic Alliance as Active Inference: The Role of Therapeutic Touch and Biobehavioural Synchrony in Musculoskeletal Care. Front Behav Neurosci 2022; 16:897247. [PMID: 35846789 PMCID: PMC9280207 DOI: 10.3389/fnbeh.2022.897247] [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: 03/15/2022] [Accepted: 05/24/2022] [Indexed: 12/05/2022] Open
Abstract
Touch is recognised as crucial for survival, fostering cooperative communication, accelerating recovery, reducing hospital stays, and promoting overall wellness and the therapeutic alliance. In this hypothesis and theory paper, we present an entwined model that combines touch for alignment and active inference to explain how the brain develops "priors" necessary for the health care provider to engage with the patient effectively. We appeal to active inference to explain the empirically integrative neurophysiological and behavioural mechanisms that underwrite synchronous relationships through touch. Specifically, we offer a formal framework for understanding - and explaining - the role of therapeutic touch and hands-on care in developing a therapeutic alliance and synchrony between health care providers and their patients in musculoskeletal care. We first review the crucial importance of therapeutic touch and its clinical role in facilitating the formation of a solid therapeutic alliance and in regulating allostasis. We then consider how touch is used clinically - to promote cooperative communication, demonstrate empathy, overcome uncertainty, and infer the mental states of others - through the lens of active inference. We conclude that touch plays a crucial role in achieving successful clinical outcomes and adapting previous priors to create intertwined beliefs. The ensuing framework may help healthcare providers in the field of musculoskeletal care to use hands-on care to strengthen the therapeutic alliance, minimise prediction errors (a.k.a., free energy), and thereby promote recovery from physical and psychological impairments.
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Affiliation(s)
- Zoe McParlin
- Clinical-Based Human Research Department, Foundation COME Collaboration, Pescara, Italy
| | - Francesco Cerritelli
- Clinical-Based Human Research Department, Foundation COME Collaboration, Pescara, Italy
| | | | - Karl J. Friston
- Institute of Neurology, Wellcome Centre for Human Neuroimaging, London, United Kingdom
| | - Jorge E. Esteves
- Clinical-Based Human Research Department, Foundation COME Collaboration, Pescara, Italy
- Malta ICOM Educational, Gzira, Malta
- University College of Osteopathy, London, United Kingdom
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Autistic-like behavioral effects of prenatal stress in juvenile Fmr1 mice: the relevance of sex differences and gene-environment interactions. Sci Rep 2022; 12:7269. [PMID: 35508566 PMCID: PMC9068699 DOI: 10.1038/s41598-022-11083-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 04/11/2022] [Indexed: 12/11/2022] Open
Abstract
Fragile X Syndrome (FXS) is the most common heritable form of mental retardation and monogenic cause of autism spectrum disorder (ASD). FXS is due to a mutation in the X-linked FMR1 gene and is characterized by motor, cognitive and social alterations, mostly overlapping with ASD behavioral phenotypes. The severity of these symptoms and their timing may be exacerbated and/or advanced by environmental adversity interacting with the genetic mutation. We therefore tested the effects of the prenatal exposure to unpredictable chronic stress on the behavioral phenotype of juveniles of both sexes in the Fmr1 knock-out (KO) mouse model of FXS. Mice underwent behavioral tests at 7-8 weeks of age, that is, when most of the relevant behavioral alterations are absent or mild in Fmr1-KOs. Stress induced the early appearance of deficits in spontaneous alternation in KO male mice, without exacerbating the behavioral phenotype of mutant females. In males stress also altered social interaction and communication, but mostly in WT mice, while in females it induced effects on locomotion and communication in mice of both genotypes. Our data therefore highlight the sex-dependent relevance of early environmental stressors to interact with genetic factors to influence the appearance of selected FXS- and ASD-like phenotypes.
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Sanson A, Bosch OJ. Dysfunctions of brain oxytocin signaling: Implications for poor mothering. Neuropharmacology 2022; 211:109049. [PMID: 35390436 DOI: 10.1016/j.neuropharm.2022.109049] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 03/03/2022] [Accepted: 03/29/2022] [Indexed: 10/18/2022]
Abstract
Good mothering has profound impact on both the mother's and the young's well-being. Consequently, experiencing inadequate maternal care - or even neglect - in the first stages of life is a major risk factor for the development of psychiatric disorders, and even for poor parenting towards the future offspring. Thus, understanding the neurobiological basis of maternal neglect becomes crucial. Along with other neurotransmitters and neuropeptides, oxytocin (OXT) has long been known as one of the main modulators of maternal behavior. In rodents, disruptions of central OXT transmission have been associated with poor maternal responses, like impaired onset of nursing behaviors, and reduced care and defense of the pups. Importantly, such behavioral and molecular deficits can be transmitted through generations, creating a vicious circle of low-quality maternal behavior. Similarly, evidence from human studies shows that OXT signaling is defective in conditions of inadequate mothering and child neglect. On those premises, this review aims at providing a comprehensive overview of animal and human studies linking perturbed OXT transmission to poor maternal behavior. Considering the important fallouts of inadequate maternal responses, we believe that unraveling the alterations in OXT transmission might provide useful insights for a better understanding of maternal neglect and, ultimately, for future intervention approaches.
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Affiliation(s)
- Alice Sanson
- Department of Behavioural and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Regensburg, Germany.
| | - Oliver J Bosch
- Department of Behavioural and Molecular Neurobiology, Regensburg Center of Neuroscience, University of Regensburg, Regensburg, Germany.
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