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Chen S, Xing L, Xie Z, Zhao M, Yu H, Gan J, Zhao H, Ma Z, Li H. Single-cell transcriptomic reveals a cell atlas and diversity of chicken amygdala responded to social hierarchy. iScience 2024; 27:109880. [PMID: 38952686 PMCID: PMC11215297 DOI: 10.1016/j.isci.2024.109880] [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: 12/05/2023] [Revised: 02/29/2024] [Accepted: 04/29/2024] [Indexed: 07/03/2024] Open
Abstract
Amygdala serves as a highly cellular, heterogeneous brain region containing excitatory and inhibitory neurons and is involved in the dopamine and serotoninergic neuron systems. An increasing number of studies have revealed the underpinned mechanism mediating social hierarchy in mammal and vertebrate, however, there are rare studies conducted on how amygdala on social hierarchy in poultry. In this study, we conducted food competition tests and determined the social hierarchy of the rooster. We performed cross-species analysis with mammalian amygdala, and found that cell types of human and rhesus monkeys were more closely related and that of chickens were more distant. We identified 26 clusters and divided them into 10 main clusters, of which GABAergic and glutamatergic neurons were associated with social behaviors. In conclusion, our results provide to serve the developmental studies of the amygdala neuron system and new insights into the underpinned mechanism of social hierarchy in roosters.
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Affiliation(s)
- Siyu Chen
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, Key Laboratory of Animal Molecular Design and Precise Breeding of Guangdong Higher Education Institutes, School of Life Science and Engineering, Foshan University, Foshan 528250, China
| | - Limin Xing
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, Key Laboratory of Animal Molecular Design and Precise Breeding of Guangdong Higher Education Institutes, School of Life Science and Engineering, Foshan University, Foshan 528250, China
| | - Zhijiang Xie
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, Key Laboratory of Animal Molecular Design and Precise Breeding of Guangdong Higher Education Institutes, School of Life Science and Engineering, Foshan University, Foshan 528250, China
| | - Mengqiao Zhao
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, Key Laboratory of Animal Molecular Design and Precise Breeding of Guangdong Higher Education Institutes, School of Life Science and Engineering, Foshan University, Foshan 528250, China
| | - Hui Yu
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, Key Laboratory of Animal Molecular Design and Precise Breeding of Guangdong Higher Education Institutes, School of Life Science and Engineering, Foshan University, Foshan 528250, China
| | - Jiankang Gan
- Guangdong Tinoo’s FOODS Group Co., Ltd, Qingyuan 511500, China
| | - Haiquan Zhao
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, Key Laboratory of Animal Molecular Design and Precise Breeding of Guangdong Higher Education Institutes, School of Life Science and Engineering, Foshan University, Foshan 528250, China
| | - Zheng Ma
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, Key Laboratory of Animal Molecular Design and Precise Breeding of Guangdong Higher Education Institutes, School of Life Science and Engineering, Foshan University, Foshan 528250, China
| | - Hua Li
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, Key Laboratory of Animal Molecular Design and Precise Breeding of Guangdong Higher Education Institutes, School of Life Science and Engineering, Foshan University, Foshan 528250, China
- Guangdong Tinoo’s FOODS Group Co., Ltd, Qingyuan 511500, China
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2
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Williams AV, Peña CJ, Ramos-Maciel S, Laman-Maharg A, Ordoñez-Sanchez E, Britton M, Durbin-Johnson B, Settles M, Hao R, Yokoyama S, Xu C, Luo PX, Dwyer T, Bhela S, Black AM, Labonté B, Serafini RA, Ruiz A, Neve RL, Zachariou V, Nestler EJ, Trainor BC. Comparative Transcriptional Analyses in the Nucleus Accumbens Identifies RGS2 as a Key Mediator of Depression-Related Behavior. Biol Psychiatry 2022; 92:942-951. [PMID: 36075764 PMCID: PMC9794384 DOI: 10.1016/j.biopsych.2022.06.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Major depressive disorder is one of the most commonly diagnosed mental illnesses worldwide, with a higher prevalence in women than in men. Although currently available pharmacological therapeutics help many individuals, they are not effective for most. Animal models have been important for the discovery of molecular alterations in stress and depression, but difficulties in adapting animal models of depression for females has impeded progress in developing novel therapeutic treatments that may be more efficacious for women. METHODS Using the California mouse social defeat model, we took a multidisciplinary approach to identify stress-sensitive molecular targets that have translational relevance for women. We determined the impact of stress on transcriptional profiles in male and female California mouse nucleus accumbens (NAc) and compared these results with data from postmortem samples of the NAc from men and women diagnosed with major depressive disorder. RESULTS Our cross-species computational analyses identified Rgs2 (regulator of G protein signaling 2) as a transcript downregulated by social defeat stress in female California mice and in women with major depressive disorder. RGS2 plays a key role in signal regulation of neuropeptide and neurotransmitter receptors. Viral vector-mediated overexpression of Rgs2 in the NAc restored social approach and sucrose preference in stressed female California mice. CONCLUSIONS These studies show that Rgs2 acting in the NAc has functional properties that translate to changes in anxiety- and depression-related behavior. Future studies should investigate whether targeting Rgs2 represents a novel target for treatment-resistant depression in women.
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Affiliation(s)
- Alexia V Williams
- Department of Psychology, University of California, Davis, Davis, California
| | - Catherine J Peña
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York; Princeton Neuroscience Institute, Princeton, New Jersey
| | | | | | - Evelyn Ordoñez-Sanchez
- Department of Psychology, University of California, Davis, Davis, California; Department of Psychology, Temple University, Philadelphia, Pennsylvania
| | - Monica Britton
- Bioinformatics Core Facility, UC Davis Genome Center, University of California, Davis, Davis, California
| | | | - Matt Settles
- Bioinformatics Core Facility, UC Davis Genome Center, University of California, Davis, Davis, California
| | - Rebecca Hao
- Department of Psychology, University of California, Davis, Davis, California
| | - Sae Yokoyama
- Department of Psychology, University of California, Davis, Davis, California
| | - Christine Xu
- Department of Psychology, University of California, Davis, Davis, California
| | - Pei X Luo
- Department of Psychology, University of California, Davis, Davis, California
| | - Tjien Dwyer
- Department of Psychology, University of California, Davis, Davis, California
| | - Shanu Bhela
- Department of Psychology, University of California, Davis, Davis, California
| | - Alexis M Black
- Department of Psychology, University of California, Davis, Davis, California
| | - Benoit Labonté
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York; Department of Psychiatry and Neuroscience, Laval University, Québec, Quebec, Canada
| | - Randal Alex Serafini
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Anne Ruiz
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Rachael L Neve
- Gene Delivery Technology Core, Massachusetts General Hospital, Boston, Massachusetts
| | - Venetia Zachariou
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Eric J Nestler
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Brian C Trainor
- Department of Psychology, University of California, Davis, Davis, California.
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3
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Dietary emulsifier consumption alters gene expression in the amygdala and paraventricular nucleus of the hypothalamus in mice. Sci Rep 2022; 12:9146. [PMID: 35650224 PMCID: PMC9159048 DOI: 10.1038/s41598-022-13021-7] [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: 01/27/2022] [Accepted: 05/13/2022] [Indexed: 11/12/2022] Open
Abstract
Dietary emulsifier consumption promotes systemic low-grade inflammation, metabolic deregulation, and possibly an anxiety-like phenotype. The latter finding suggests that dietary emulsifiers impact brain areas that modulate stress responses. The goal of the current study was to test whether emulsifier consumption is associated with changes in gene expression in the amygdala and the paraventricular nucleus of the hypothalamus (PVN), two brain areas that are involved in behavioral and neuroendocrine responses to stress. Using RNA-Seq, we compared groups consuming either carboxymethylcellulose or polysorbate 80 for 12-weeks. A total of 243 genes were differentially expressed in the amygdala and PVN of emulsifier-treated mice compared to controls. There was minimal overlap of differentially expressed genes in CMC- and P80-treated animals, suggesting that each emulsifier acts via distinct molecular mechanisms to produce an anxiety-like phenotype. Furthermore, gene ontology and pathway analysis revealed that various stress, metabolic, and immune terms and pathways were altered by emulsifiers. These findings are the first to demonstrate that emulsifier consumption changes gene expression in brain regions that are critical for stress responding, providing possible molecular mechanisms that may underly the previously observed anxiety-like phenotype.
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4
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Taylor JH, Walton JC, McCann KE, Norvelle A, Liu Q, Vander Velden JW, Borland JM, Hart M, Jin C, Huhman KL, Cox DN, Albers HE. CRISPR-Cas9 editing of the arginine-vasopressin V1a receptor produces paradoxical changes in social behavior in Syrian hamsters. Proc Natl Acad Sci U S A 2022; 119:e2121037119. [PMID: 35512092 PMCID: PMC9171636 DOI: 10.1073/pnas.2121037119] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 03/31/2022] [Indexed: 11/18/2022] Open
Abstract
Studies from a variety of species indicate that arginine–vasopressin (AVP) and its V1a receptor (Avpr1a) play a critical role in the regulation of a range of social behaviors by their actions in the social behavior neural network. To further investigate the role of AVPRs in social behavior, we performed CRISPR-Cas9–mediated editing at the Avpr1a gene via pronuclear microinjections in Syrian hamsters (Mesocricetus auratus), a species used extensively in behavioral neuroendocrinology because they produce a rich suite of social behaviors. Using this germ-line gene-editing approach, we generated a stable line of hamsters with a frame-shift mutation in the Avpr1a gene resulting in the null expression of functional Avpr1as. Avpr1a knockout (KO) hamsters exhibited a complete lack of Avpr1a-specific autoradiographic binding throughout the brain, behavioral insensitivity to centrally administered AVP, and no pressor response to a peripherally injected Avpr1a-specific agonist, thus confirming the absence of functional Avpr1as in the brain and periphery. Contradictory to expectations, Avpr1a KO hamsters exhibited substantially higher levels of conspecific social communication (i.e., odor-stimulated flank marking) than their wild-type (WT) littermates. Furthermore, sex differences in aggression were absent, as both male and female KOs exhibited more aggression toward same-sex conspecifics than did their WT littermates. Taken together, these data emphasize the importance of comparative studies employing gene-editing approaches and suggest the startling possibility that Avpr1a-specific modulation of the social behavior neural network may be more inhibitory than permissive.
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Affiliation(s)
- Jack H. Taylor
- Neuroscience Institute, Georgia State University, Atlanta, GA 30303
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - James C. Walton
- Neuroscience Institute, Georgia State University, Atlanta, GA 30303
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - Katharine E. McCann
- Neuroscience Institute, Georgia State University, Atlanta, GA 30303
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - Alisa Norvelle
- Neuroscience Institute, Georgia State University, Atlanta, GA 30303
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - Qian Liu
- Transgenic and Gene Targeting Core, Georgia State University, Atlanta, GA 30303
| | - Jacob W. Vander Velden
- Neuroscience Institute, Georgia State University, Atlanta, GA 30303
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - Johnathan M. Borland
- Neuroscience Institute, Georgia State University, Atlanta, GA 30303
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - Michael Hart
- Institute for Biomedical Science, Georgia State University, Atlanta, GA 30303
| | - Chengliu Jin
- Transgenic and Gene Targeting Core, Georgia State University, Atlanta, GA 30303
| | - Kim L. Huhman
- Neuroscience Institute, Georgia State University, Atlanta, GA 30303
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - Daniel N. Cox
- Neuroscience Institute, Georgia State University, Atlanta, GA 30303
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - H. Elliott Albers
- Neuroscience Institute, Georgia State University, Atlanta, GA 30303
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
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5
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Grossman YS, Fillinger C, Manganaro A, Voren G, Waldman R, Zou T, Janssen WG, Kenny PJ, Dumitriu D. Structure and function differences in the prelimbic cortex to basolateral amygdala circuit mediate trait vulnerability in a novel model of acute social defeat stress in male mice. Neuropsychopharmacology 2022; 47:788-799. [PMID: 34799681 PMCID: PMC8782864 DOI: 10.1038/s41386-021-01229-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 10/22/2021] [Accepted: 10/30/2021] [Indexed: 02/03/2023]
Abstract
Stressful life events are ubiquitous and well-known to negatively impact mental health. However, in both humans and animal models, there is large individual variability in how individuals respond to stress, with some but not all experiencing long-term adverse consequences. While there is growing understanding of the neurobiological underpinnings of the stress response, much less is known about how neurocircuits shaped by lifetime experiences are activated during an initial stressor and contribute to this selective vulnerability versus resilience. We developed a model of acute social defeat stress (ASDS) that allows classification of male mice into "susceptible" (socially avoidant) versus "resilient" (expressing control-level social approach) one hour after exposure to six minutes of social stress. Using circuit tracing and high-resolution confocal imaging, we explored differences in activation and dendritic spine density and morphology in the prelimbic cortex to basolateral amygdala (PL→BLA) circuit in resilient versus susceptible mice. Susceptible mice had greater PL→BLA recruitment during ASDS and activated PL→BLA neurons from susceptible mice had more and larger mushroom spines compared to resilient mice. We hypothesized identified structure/function differences indicate an overactive PL→BLA response in susceptible mice and used an intersectional chemogenetic approach to inhibit the PL→BLA circuit during or prior to ASDS. We found in both cases that this blocked ASDS-induced social avoidance. Overall, we show PL→BLA structure/function differences mediate divergent behavioral responses to ASDS in male mice. These results support PL→BLA circuit overactivity during stress as a biomarker of trait vulnerability and potential target for prevention of stress-induced psychopathology.
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Affiliation(s)
- Yael S Grossman
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Psychiatry, Duke University School of Medicine, Durham, NC, USA
| | - Clementine Fillinger
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Alessia Manganaro
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY, USA
| | - George Voren
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Rachel Waldman
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Tiffany Zou
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - William G Janssen
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Paul J Kenny
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Dani Dumitriu
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY, USA.
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Environmental Medicine & Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA.
- New York State Psychiatric Institute, Columbia University, New York, NY, USA.
- Sackler Institute, Columbia University, New York, NY, USA.
- Columbia Population Research Center, Columbia University, New York, NY, USA.
- Zuckerman Institute, Columbia University, New York, NY, USA.
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6
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Hollis F, Pope BS, Gorman-Sandler E, Wood SK. Neuroinflammation and Mitochondrial Dysfunction Link Social Stress to Depression. Curr Top Behav Neurosci 2022; 54:59-93. [PMID: 35184261 DOI: 10.1007/7854_2021_300] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Major depressive disorder is a debilitating mental illness and a leading cause of global disease burden. While many etiological factors have been identified, social stress is a highly prevalent causative factor for the onset of depression. Unfortunately, rates of depression continue to increase around the world, and the recent COVID-19 pandemic has further exacerbated this mental health crisis. Though several therapeutic strategies are available, nearly 50% of patients who receive treatment never reach remission. The exact mechanisms by which social stress exposure promotes the development of depression are unclear, making it challenging to develop novel and more effective therapeutics. However, accumulating evidence points to a role for stress-induced neuroinflammation, particularly in treatment-resistant patients. Moreover, recent evidence has expanded the concept of the pathogenesis of depression to mitochondrial dysfunction, suggesting that the combined effects of social stress on mitochondria and inflammation may synergize to facilitate stress-related depression. In this chapter, we review evidence for neuroinflammation and mitochondrial dysfunction in the pathogenesis of social stress-induced depression and discuss these in the context of novel therapeutic targets for the treatment of depression.
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Affiliation(s)
- Fiona Hollis
- Department of Pharmacology, Physiology and Neuroscience, University of South Carolina School of Medicine, Columbia, SC, USA
| | - Brittany S Pope
- Department of Pharmacology, Physiology and Neuroscience, University of South Carolina School of Medicine, Columbia, SC, USA
- Department of Exercise Science, University of South Carolina Arnold School of Public Health, Columbia, SC, USA
| | - Erin Gorman-Sandler
- Department of Pharmacology, Physiology and Neuroscience, University of South Carolina School of Medicine, Columbia, SC, USA
| | - Susan K Wood
- Department of Pharmacology, Physiology and Neuroscience, University of South Carolina School of Medicine, Columbia, SC, USA.
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7
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Abstract
Social stressors are known to have strong negative impacts on mental health. There is a long history of preclinical social defeat stress studies in rodents focusing on males that has produced important insights into the neural mechanisms that modulate depression- and anxiety-related behavior. Despite these impressive results, a historical weakness of rodent social stress models has been an under-representation of studies in females. This is problematic because rates of depression and anxiety are higher in women versus men. Recently there has been a surge of interest in adapting social stress methods for female rodents. Here we review new rodent models that have investigated numerous facets of social stress in females. The different models have different strengths and weaknesses, with some model systems having stronger ethological validity with other models having better access to molecular tools to manipulate neural circuits. Continued use and refinement of these complementary models will be critical for addressing gaps in understanding the function of neural circuits modulating depression- and anxiety-related behavior in females.
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Affiliation(s)
- Jace X Kuske
- Department of Psychology, University of California, Davis, CA, USA
| | - Brian C Trainor
- Department of Psychology, University of California, Davis, CA, USA.
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8
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LeClair KB, Russo SJ. Using social rank as the lens to focus on the neural circuitry driving stress coping styles. Curr Opin Neurobiol 2021; 68:167-180. [PMID: 33930622 DOI: 10.1016/j.conb.2021.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 02/02/2021] [Accepted: 03/11/2021] [Indexed: 10/21/2022]
Abstract
Social hierarchy position in humans is negatively correlated with stress-related psychiatric disease risk. Animal models have largely corroborated human studies, showing that social rank can impact stress susceptibility and is considered to be a major risk factor in the development of psychiatric illness. Differences in stress coping style is one of several factors that mediate this relationship between social rank and stress susceptibility. Coping styles encompass correlated groupings of behaviors associated with differential physiological stress responses. Here, we discuss recent insights from animal models that highlight several neural circuits that can contribute to social rank-associated differences in coping style.
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Affiliation(s)
- Katherine B LeClair
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Scott J Russo
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
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9
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Bekhbat M, Mukhara D, Dozmorov MG, Stansfield JC, Benusa SD, Hyer MM, Rowson SA, Kelly SD, Qin Z, Dupree JL, Tharp GK, Tansey MG, Neigh GN. Adolescent stress sensitizes the adult neuroimmune transcriptome and leads to sex-specific microglial and behavioral phenotypes. Neuropsychopharmacology 2021; 46:949-958. [PMID: 33558677 PMCID: PMC8115118 DOI: 10.1038/s41386-021-00970-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/11/2021] [Accepted: 01/13/2021] [Indexed: 01/30/2023]
Abstract
Adolescent exposure to chronic stress, a risk factor for mood disorders in adulthood, sensitizes the neuroinflammatory response to a subsequent immune challenge. We previously showed that chronic adolescent stress (CAS) in rats led to distinct patterns of neuroimmune priming in adult male and female rats. However, sex differences in the neuroimmune consequences of CAS and their underlying mechanisms are not fully understood. Here we hypothesized that biological sex would dictate differential induction of inflammation-related transcriptomic pathways and immune cell involvement (microglia activation and leukocyte presence) in the hippocampus of male and female rats with a history of CAS. Adolescent rats underwent CAS (six restraint and six social defeat episodes during postnatal days 38-49), and behavioral assessments were conducted in adolescence and adulthood. Neuroimmune measures were obtained following vehicle or a systemic lipopolysaccharide (LPS) challenge in adulthood. CAS led to increased time in the corners of the open field in adolescence. In males, CAS also increased social avoidance. As adults, CAS rats displayed an exaggerated enrichment of the nuclear factor kappa-light-chain-enhancer of activated B cells (NFκB) pathway and chemokine induction following LPS challenge, and increased number of perivascular CD45+ cells in the hippocampus. However, CAS females, but not males, showed exaggerated glucocorticoid receptor (GR) pathway enrichment and increased microglial complexity. These results provide further insight to the mechanisms by which peripheral immune events may influence neuroimmune responses differentially among males and females and further demonstrate the importance of adolescent stress in shaping adult responses.
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Affiliation(s)
- Mandakh Bekhbat
- grid.189967.80000 0001 0941 6502Department of Physiology, Emory University, Atlanta, GA 30322 USA
| | - Deepika Mukhara
- grid.224260.00000 0004 0458 8737Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298 USA
| | - Mikhail G. Dozmorov
- grid.417264.20000 0001 2194 2791Center for Clinical and Translational Research, Virginia Commonwealth University Medical Center, Richmond, VA 23298 USA
| | - John C. Stansfield
- grid.417264.20000 0001 2194 2791Center for Clinical and Translational Research, Virginia Commonwealth University Medical Center, Richmond, VA 23298 USA
| | - Savannah D. Benusa
- grid.224260.00000 0004 0458 8737Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298 USA
| | - Molly M. Hyer
- grid.224260.00000 0004 0458 8737Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298 USA
| | - Sydney A. Rowson
- grid.189967.80000 0001 0941 6502Department of Physiology, Emory University, Atlanta, GA 30322 USA
| | - Sean D. Kelly
- grid.189967.80000 0001 0941 6502Department of Physiology, Emory University, Atlanta, GA 30322 USA
| | - Zhaohui Qin
- grid.189967.80000 0001 0941 6502Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, GA USA
| | - Jeffrey L. Dupree
- grid.224260.00000 0004 0458 8737Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298 USA
| | - Gregory K. Tharp
- grid.189967.80000 0001 0941 6502Division of Developmental & Cognitive Neuroscience, Yerkes National Primate Research Center, Atlanta, GA 30322 USA
| | - Malú G. Tansey
- grid.189967.80000 0001 0941 6502Department of Physiology, Emory University, Atlanta, GA 30322 USA
| | - Gretchen N. Neigh
- grid.189967.80000 0001 0941 6502Department of Physiology, Emory University, Atlanta, GA 30322 USA ,grid.224260.00000 0004 0458 8737Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298 USA ,grid.189967.80000 0001 0941 6502Department of Psychiatry & Behavioral Sciences, Emory University, Atlanta, GA 30322 USA
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10
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Partrick KA, Rosenhauer AM, Auger J, Arnold AR, Ronczkowski NM, Jackson LM, Lord MN, Abdulla SM, Chassaing B, Huhman KL. Ingestion of probiotic (Lactobacillus helveticus and Bifidobacterium longum) alters intestinal microbial structure and behavioral expression following social defeat stress. Sci Rep 2021; 11:3763. [PMID: 33580118 PMCID: PMC7881201 DOI: 10.1038/s41598-021-83284-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 01/28/2021] [Indexed: 02/08/2023] Open
Abstract
Social stress exacerbates anxious and depressive behaviors in humans. Similarly, anxiety- and depressive-like behaviors are triggered by social stress in a variety of non-human animals. Here, we tested whether oral administration of the putative anxiolytic probiotic strains Lactobacillus helveticus R0052 and Bifidobacterium longum R0175 reduces the striking increase in anxiety-like behavior and changes in gut microbiota observed following social defeat stress in Syrian hamsters. We administered the probiotic at two different doses for 21 days, and 16S rRNA gene amplicon sequencing revealed a shift in microbial structure following probiotic administration at both doses, independently of stress. Probiotic administration at either dose increased anti-inflammatory cytokines IL-4, IL-5, and IL-10 compared to placebo. Surprisingly, probiotic administration at the low dose, equivalent to the one used in humans, significantly increased social avoidance and decreased social interaction. This behavioral change was associated with a reduction in microbial richness in this group. Together, these results demonstrate that probiotic administration alters gut microbial composition and may promote an anti-inflammatory profile but that these changes may not promote reductions in behavioral responses to social stress.
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Affiliation(s)
- Katherine A Partrick
- Neuroscience Institute, Center for Behavioral Neuroscience, Georgia State University, PO Box 5030, Atlanta, GA, 30303-5030, USA
| | - Anna M Rosenhauer
- Neuroscience Institute, Center for Behavioral Neuroscience, Georgia State University, PO Box 5030, Atlanta, GA, 30303-5030, USA
| | - Jérémie Auger
- Rosell Institute for Microbiome and Probiotics, Montreal, QC, Canada
| | - Amanda R Arnold
- Neuroscience Institute, Center for Behavioral Neuroscience, Georgia State University, PO Box 5030, Atlanta, GA, 30303-5030, USA
| | - Nicole M Ronczkowski
- Neuroscience Institute, Center for Behavioral Neuroscience, Georgia State University, PO Box 5030, Atlanta, GA, 30303-5030, USA
| | - Lanaya M Jackson
- Neuroscience Institute, Center for Behavioral Neuroscience, Georgia State University, PO Box 5030, Atlanta, GA, 30303-5030, USA
| | - Magen N Lord
- Neuroscience Institute, Center for Behavioral Neuroscience, Georgia State University, PO Box 5030, Atlanta, GA, 30303-5030, USA
| | - Sara M Abdulla
- Neuroscience Institute, Center for Behavioral Neuroscience, Georgia State University, PO Box 5030, Atlanta, GA, 30303-5030, USA
| | - Benoit Chassaing
- Neuroscience Institute, Center for Behavioral Neuroscience, Georgia State University, PO Box 5030, Atlanta, GA, 30303-5030, USA.,INSERM U1016, Team "Mucosal Microbiota in Chronic Inflammatory Diseases", CNRS UMR 8104, Université de Paris, Paris, France.,Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, USA
| | - Kim L Huhman
- Neuroscience Institute, Center for Behavioral Neuroscience, Georgia State University, PO Box 5030, Atlanta, GA, 30303-5030, USA.
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11
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Grieb ZA, Ross AP, McCann KE, Lee S, Welch M, Gomez MG, Norvelle A, Michopoulos V, Huhman KL, Albers HE. Sex-dependent effects of social status on the regulation of arginine-vasopressin (AVP) V1a, oxytocin (OT), and serotonin (5-HT) 1A receptor binding and aggression in Syrian hamsters (Mesocricetus auratus). Horm Behav 2021; 127:104878. [PMID: 33148500 PMCID: PMC8889570 DOI: 10.1016/j.yhbeh.2020.104878] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/15/2020] [Accepted: 10/13/2020] [Indexed: 12/13/2022]
Abstract
Dominance status in hamsters is driven by interactions between arginine-vasopressin V1a, oxytocin (OT), and serotonin 1A (5-HT1A) receptors. Activation of V1a and OT receptors in the anterior hypothalamus (AH) increases aggression in males, while decreasing aggression in females. In contrast, activation of 5-HT1A receptors in the AH decreases aggression in males and increases aggression in females. The mechanism underlying these differences is not known. The purpose of this study was to determine if dominance status and sex interact to regulate V1a, OT, and 5-HT1A receptor binding. Same-sex hamsters (N = 47) were paired 12 times across six days in five min sessions. Brains from paired and unpaired (non-social control) hamsters were collected immediately after the last interaction and processed for receptor binding using autoradiography. Differences in V1a, OT, and 5-HT1A receptor binding densities were observed in several brain regions as a function of social status and sex. For example, in the AH, there was an interaction between sex and social status, such that V1a binding in subordinate males was lower than in subordinate females and V1a receptor density in dominant males was higher than in dominant females. There was also an interaction in 5-HT1A receptor binding, such that social pairing increased 5-HT1A binding in the AH of males but decreased 5-HT1A binding in females compared with unpaired controls. These results indicate that dominance status and sex play important roles in shaping the binding profiles of key receptor subtypes across the neural circuitry that regulates social behavior.
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Affiliation(s)
- Z A Grieb
- Neuroscience Institute, Georgia State University, Center for Behavioral Neuroscience, Atlanta, GA, United State of America.
| | - A P Ross
- Neuroscience Institute, Georgia State University, Center for Behavioral Neuroscience, Atlanta, GA, United State of America
| | - K E McCann
- Neuroscience Institute, Georgia State University, Center for Behavioral Neuroscience, Atlanta, GA, United State of America
| | - S Lee
- Neuroscience Institute, Georgia State University, Center for Behavioral Neuroscience, Atlanta, GA, United State of America
| | - M Welch
- Neuroscience Institute, Georgia State University, Center for Behavioral Neuroscience, Atlanta, GA, United State of America
| | - M G Gomez
- Neuroscience Institute, Georgia State University, Center for Behavioral Neuroscience, Atlanta, GA, United State of America
| | - A Norvelle
- Neuroscience Institute, Georgia State University, Center for Behavioral Neuroscience, Atlanta, GA, United State of America
| | - V Michopoulos
- Yerkes National Primate Research Center, Atlanta, GA, United States of America; Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, United States of America
| | - K L Huhman
- Neuroscience Institute, Georgia State University, Center for Behavioral Neuroscience, Atlanta, GA, United State of America
| | - H E Albers
- Neuroscience Institute, Georgia State University, Center for Behavioral Neuroscience, Atlanta, GA, United State of America
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12
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Taylor JH, McCann KE, Ross AP, Albers HE. Binding affinities of oxytocin, vasopressin and Manning compound at oxytocin and V1a receptors in male Syrian hamster brains. J Neuroendocrinol 2020; 32:e12882. [PMID: 32662552 PMCID: PMC7485222 DOI: 10.1111/jne.12882] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 05/11/2020] [Accepted: 06/05/2020] [Indexed: 12/27/2022]
Abstract
Oxytocin (OT) and arginine vasopressin (AVP), as well as synthetic ligands targeting their receptors (OTR, V1aR), are used in a wide variety of research contexts, although their pharmacological properties are determined in only a few species. Syrian hamsters (Mesocricetus auratus) have a long history of use as a behavioural and biomedical model for the study of OT and AVP and, more recently, hamsters have been used to investigate behavioural consequences of OT-mediated activation of V1aR. We aimed to determine the binding affinities of OT, AVP and the selective V1aR antagonist, Manning compound, for OTR and V1aR in hamster brains. We performed saturation binding assays to determine the Kd values for the selective OTR and V1aR radioligands, [125 I]ornithine vasotocin analogue and [125 I]linear vasopressin antagonist. We then performed competition binding assays to determine Ki values for OT, AVP and Manning compound at both the OTR and V1aR. We found that OT and AVP each had the highest affinity for their canonical receptors (OT-OTR Ki = 4.28 [95% confidence interval (CI) = 2.9-6.3] nmol L-1 ; AVP-V1ar Ki = 4.70 [95% CI = 1.5-14.1] nmol L-1 ) and had the lowest affinity for their non-canonical ligands (OT-V1aR = 495.2 [95% CI = 198.5-1276] nmol L-1 ; AVP-OTR Ki = 36.1 [95% CI = 12.4-97.0] nmol L-1 ). Manning compound had the highest affinity for the V1aR (MC-V1aR Ki = 6.87 [95% CI = 4.0-11.9] nmol L-1 ; MC-OTR Ki = 213.8 [95% CI = 117.3-392.7] nmol L-1 ), although Manning compound was not as selective for the V1aR in hamsters as has been reported for the receptor in rats. When comparing these data with previously published work, we found that the promiscuity of the V1aR in hamsters with respect to OT and AVP binding is more similar to the promiscuity of the human V1aR than to the rat V1aR receptor. Moreover, the selectivity of OT at hamster receptors is more similar to the selectivity of OT at human receptors than the selectivity of OT at rat receptors. These data highlight the importance of determining the pharmacological properties of behaviourally relevant compounds in diverse model species.
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Affiliation(s)
- Jack H Taylor
- Neuroscience Institute, Georgia State University
- Center for Behavioral Neuroscience, Atlanta, Georgia
| | - Katharine E McCann
- Neuroscience Institute, Georgia State University
- Center for Behavioral Neuroscience, Atlanta, Georgia
| | - Amy P Ross
- Neuroscience Institute, Georgia State University
- Center for Behavioral Neuroscience, Atlanta, Georgia
| | - H Elliott Albers
- Neuroscience Institute, Georgia State University
- Center for Behavioral Neuroscience, Atlanta, Georgia
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13
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Vallianatos CN, Raines B, Porter RS, Bonefas KM, Wu MC, Garay PM, Collette KM, Seo YA, Dou Y, Keegan CE, Tronson NC, Iwase S. Mutually suppressive roles of KMT2A and KDM5C in behaviour, neuronal structure, and histone H3K4 methylation. Commun Biol 2020; 3:278. [PMID: 32483278 PMCID: PMC7264178 DOI: 10.1038/s42003-020-1001-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 05/09/2020] [Indexed: 12/17/2022] Open
Abstract
Histone H3 lysine 4 methylation (H3K4me) is extensively regulated by numerous writer and eraser enzymes in mammals. Nine H3K4me enzymes are associated with neurodevelopmental disorders to date, indicating their important roles in the brain. However, interplay among H3K4me enzymes during brain development remains largely unknown. Here, we show functional interactions of a writer-eraser duo, KMT2A and KDM5C, which are responsible for Wiedemann-Steiner Syndrome (WDSTS), and mental retardation X-linked syndromic Claes-Jensen type (MRXSCJ), respectively. Despite opposite enzymatic activities, the two mouse models deficient for either Kmt2a or Kdm5c shared reduced dendritic spines and increased aggression. Double mutation of Kmt2a and Kdm5c clearly reversed dendritic morphology, key behavioral traits including aggression, and partially corrected altered transcriptomes and H3K4me landscapes. Thus, our study uncovers common yet mutually suppressive aspects of the WDSTS and MRXSCJ models and provides a proof of principle for balancing a single writer-eraser pair to ameliorate their associated disorders.
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Affiliation(s)
- Christina N Vallianatos
- Department of Human Genetics, Michigan Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.,Genetics and Genomics Graduate Program, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Brynne Raines
- Department of Psychology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Robert S Porter
- Department of Human Genetics, Michigan Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.,Genetics and Genomics Graduate Program, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Katherine M Bonefas
- Department of Human Genetics, Michigan Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.,The University of Michigan Neuroscience Graduate Program, Ann Arbor, MI, USA
| | | | - Patricia M Garay
- Department of Human Genetics, Michigan Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.,The University of Michigan Neuroscience Graduate Program, Ann Arbor, MI, USA
| | - Katie M Collette
- Department of Psychology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Young Ah Seo
- Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Yali Dou
- Department of Pathology, Michigan Medicine, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Catherine E Keegan
- Department of Human Genetics, Michigan Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.,Department of Pediatrics, Michigan Medicine, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Natalie C Tronson
- Department of Psychology, University of Michigan, Ann Arbor, MI, 48109, USA.
| | - Shigeki Iwase
- Department of Human Genetics, Michigan Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.
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14
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Social experience and sex-dependent regulation of aggression in the lateral septum by extrasynaptic δGABA A receptors. Psychopharmacology (Berl) 2020; 237:329-344. [PMID: 31691846 PMCID: PMC7024004 DOI: 10.1007/s00213-019-05368-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 09/22/2019] [Indexed: 10/25/2022]
Abstract
RATIONALE Understanding the neurobiological mechanisms mediating dominance and competitive aggression is essential to understanding the development and treatment of various psychiatric disorders. Previous research suggests that these mechanisms are both sexually differentiated and influenced substantially by social experience. In numerous species, GABAA receptors in the lateral septum have been shown to play a significant role in aggression in males. However, very little is known about the role of these GABAA receptors in female aggression, the role of social experience on GABAA receptor-mediated aggression, or the roles of different GABAA subtypes in regulating aggression. OBJECTIVES Thus, in the following set of experiments, we determined the role of social experience in modulating GABAA receptor-induced aggression in both male and female Syrian hamsters, with a particular focus on the GABAA receptor subtype mediating these effects. RESULTS Activation of GABAA receptors in the dorsal lateral septum increased aggression in both males and females. Social housing, however, significantly decreased the ability of GABAA receptor activation to induce aggression in males but not females. No significant differences were observed in the effects of GABAA receptor activation in dominant versus subordinate group-housed hamsters. Finally, examination of potential GABAA receptor subtype specificity revealed that social housing decreased the ratio of δ extrasynaptic to γ2 synaptic subunit GABAA receptor mRNA expression in the anterior dorsal lateral septum, while activation of δ extrasynaptic, but not γ2 synaptic, GABAA receptors in the dorsal lateral septum increased aggression. CONCLUSIONS These data suggest that social experience can have profound effects on the neuronal mechanisms mediating aggression, especially in males, and that δ extrasynaptic GABAA receptors may be an important therapeutic target in disorders characterized by high levels of aggression.
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15
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Hodes GE, Epperson CN. Sex Differences in Vulnerability and Resilience to Stress Across the Life Span. Biol Psychiatry 2019; 86:421-432. [PMID: 31221426 PMCID: PMC8630768 DOI: 10.1016/j.biopsych.2019.04.028] [Citation(s) in RCA: 243] [Impact Index Per Article: 48.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 04/08/2019] [Accepted: 04/25/2019] [Indexed: 12/12/2022]
Abstract
Susceptibility and resilience to stress depend on 1) the timing of the exposure with respect to development, 2) the time across the life span at which effects are measured, and 3) the behavioral or biological phenotype under consideration. This translational review examines preclinical stress models that provide clues to causal mechanisms and their relationship to the more complex phenomenon of stress-related psychiatric and cognitive disorders in humans. We examine how genetic sex and epigenetic regulation of hormones contribute to the proximal and distal effects of stress at different epochs of life. Stress during the prenatal period and early postnatal life puts male offspring at risk of developing diseases involving socialization, such as autism spectrum disorder, and attention and cognition, such as attention-deficit/hyperactivity disorder. While female offspring show resilience to some of the proximal effects of prenatal and early postnatal stress, there is evidence that risk associated with developmental insults is unmasked in female offspring following periods of hormonal activation and flux, including puberty, pregnancy, and perimenopause. Likewise, stress exposures during puberty have stronger proximal effects on girls, including an increased risk of developing mood-related and stress-related illnesses, such as depression, anxiety, and posttraumatic stress disorder. Hormonal changes during menopause and andropause impact the processes of memory and emotion in women and men, though women are preferentially at risk for dementia, and childhood adversity further impacts estradiol effects on neural function. We propose that studies to determine mechanisms for stress risk and resilience across the life span must consider the nature and timing of stress exposures as well as the sex of the organism under investigation.
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Affiliation(s)
- Georgia E. Hodes
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - C. Neill Epperson
- Department of Psychiatry, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
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