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de Lima RMS, da Mata MJ, Santos JCPD, Costa L, Marques VHM, Bento LVDS, Lugon MDMV, Arcego DM, Barauna VG, Bittencourt AS, Bittencourt APSDV. Exploring the role of environmental enrichment and early life adversity on emotional development. Behav Brain Res 2024; 472:115147. [PMID: 39029628 DOI: 10.1016/j.bbr.2024.115147] [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: 03/08/2024] [Revised: 06/14/2024] [Accepted: 07/09/2024] [Indexed: 07/21/2024]
Abstract
Early life adversity has been linked with a higher probability of developing behavioral impairments and environmental manipulation is a strategy that may reduce the negative effects of exposure to adversity in early life. Here, we focused on exploring the influence of environmental enrichment (EE) as a protective factor in the context of early life adversity. We hypothesized that 24 hours of maternal deprivation (MD), in the second week of life, could induce anxiety-like behavior alterations and that exposure to EE could induce resilience to these behaviors due to alterations in the serotonergic system. Male Wistar rats were exposed to MD, on postnatal days 11 and 13, and to EE, after weaning. In adulthood, we performed a series of behavioral tests for fear, anxiety, and locomotor activity. We also measured the levels of serotonin in the amygdala and dorsal raphe nucleus. Our results revealed that MD does not impact fear behavior or the levels of serotonin, while EE decreases locomotor activity in a novel environment and enhances exploration in the predator odor test. EE also decreases serotonin in the amygdala and increases its turnover rate levels. Our findings provide insights into the critical timeframe during which stress exposure impacts the development and confirm that exposure to EE has an independent and protective effect for anxiety-like behaviors later in life.
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Affiliation(s)
- Randriely Merscher Sobreira de Lima
- Department of Psychiatry, Faculty of Medicine, McGill University, Montreal, Quebec, Canada; Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil.
| | - Martielo Januario da Mata
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Josefa Cristina Pereira Dos Santos
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Ludhielle Costa
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Victor Hugo Moreira Marques
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Lucas Victor Dos Santos Bento
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Marcelo di Marcello Valladão Lugon
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Danusa Mar Arcego
- Department of Psychiatry, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
| | - Valério Garrone Barauna
- Programa de Pós-Graduação em Ciências Fisiológicas, Centro de Ciências da Saúde, Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Athelson Stefanon Bittencourt
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil; Departamento de Morfologia, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Ana Paula Santana de Vasconcellos Bittencourt
- Programa de Pós-Graduação em Ciências Fisiológicas, Centro de Ciências da Saúde, Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
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2
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Alnassar JS, Juruena MF, Macare C, Perkins AM, Young AH. Effect of childhood emotional abuse on depression and anxiety in adulthood is partially mediated by neuroticism: Evidence from a large online sample. J Affect Disord 2024; 359:158-163. [PMID: 38734243 DOI: 10.1016/j.jad.2024.05.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 05/04/2024] [Accepted: 05/07/2024] [Indexed: 05/13/2024]
Abstract
Childhood trauma is widely recognized as a potential risk factor for psychiatric illness in adulthood, yet the precise mechanisms underlying this relationship remain incompletely understood. One proposed mechanism involves the impact of childhood trauma on personality development, particularly in relation to neuroticism, which may subsequently heighten susceptibility to psychiatric disorders. In this study, we aimed to investigate this hypothesis through an online survey involving 1116 participants (232 male, 21 %). Participants completed the Childhood Trauma Questionnaire (CTQ), assessing emotional abuse, physical abuse, sexual abuse, emotional neglect, and physical neglect, along with the Trait Self-Description Inventory (TSDI) for personality assessment and the PHQ-9 and GAD-7 clinical questionnaires for depression and anxiety symptoms evaluation, respectively. Our analyses revealed significant positive correlations between all facets of childhood trauma and neuroticism (all p < .01). Linear regression analysis demonstrated that emotional abuse significantly contributed to neuroticism (β = 0.267, p < .05), openness (β = 0.142, p < .05), and agreeableness (β = 0.089, p < .05), while sexual abuse was associated with agreeableness (β = 0.137, p < .01) Emotional neglect was negatively correlated with conscientiousness (β = -0.090, p < .01), extroversion (β = -0.109, p < .01) and agreeableness (β = -0.154, p < .01). Furthermore, linear regression analysis revealed that emotional abuse was positively and significantly correlated with PHQ-9 and GAD-7 scores (r = 0.330, p < .01 and r = 0.327, p < .01, respectively). Mediation analysis supported a significant mediating role of neuroticism in the association between childhood emotional abuse and both depression (PHQ-9) (z = 8.681, p < .01) and anxiety (GAD-7) (z = 9.206, p < .01). Notably, the correlation between childhood emotional abuse and psychiatric symptoms was attenuated but not eliminated after controlling for neuroticism, suggesting partial mediation. While our cross-sectional design precludes causal inference, our findings support the notion that childhood emotional abuse may contribute to increased neuroticism, thereby elevating vulnerability to affective disorders in adulthood. These results underscore the importance of considering personality factors in understanding the long-term consequences of childhood trauma on mental health outcomes.
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Affiliation(s)
- Jawaher S Alnassar
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Mario F Juruena
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom.
| | - Christine Macare
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Adam M Perkins
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Allan H Young
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
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3
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Pan T, Gallo ME, Donald KA, Webb K, Bath KG. Elevated risk for psychiatric outcomes in pediatric patients with Multisystem Inflammatory Syndrome (MIS-C): A review of neuroinflammatory and psychosocial stressors. Brain Behav Immun Health 2024; 38:100760. [PMID: 38586284 PMCID: PMC10992702 DOI: 10.1016/j.bbih.2024.100760] [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: 09/02/2023] [Revised: 02/19/2024] [Accepted: 03/17/2024] [Indexed: 04/09/2024] Open
Abstract
Multisystem Inflammatory Syndrome in Children (MIS-C) is a secondary immune manifestation of COVID-19 involving multiple organ systems in the body, resulting in fever, skin rash, abdominal pain, nausea, shock, and cardiac dysfunction that often lead to hospitalization. Although many of these symptoms resolve following anti-inflammatory treatment, the long-term neurological and psychiatric sequelae of MIS-C are unknown. In this review, we will summarize two domains of the MIS-C disease course, 1) Neuroinflammation in the MIS-C brain and 2) Psychosocial disruptions resulting from stress and hospitalization. In both domains, we present existing clinical findings and hypothesize potential connections to psychiatric outcomes. This is the first review to conceptualize a holistic framework of psychiatric risk in MIS-C patients that includes neuroinflammatory and psychosocial risk factors. As cases of severe COVID-19 and MIS-C subside, it is important for clinicians to monitor outcomes in this vulnerable patient population.
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Affiliation(s)
- Tracy Pan
- Stanford University School of Medicine, Stanford, CA, USA
- Department of Cognitive, Linguistic, and Psychological Sciences, Brown University, Providence, RI 029112, USA
- The Neuroscience Institute, University of Cape Town, South Africa
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, 10032, USA
| | - Meghan E. Gallo
- Department of Cognitive, Linguistic, and Psychological Sciences, Brown University, Providence, RI 029112, USA
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, 10032, USA
- Department of Psychiatry, Columbia University Irving Medical College, New York, NY, 10032, USA
- Division of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY, 10032, USA
| | - Kirsten A. Donald
- Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, South Africa
- The Neuroscience Institute, University of Cape Town, South Africa
| | - Kate Webb
- Division of Paediatric Rheumatology, School of Child and Adolescent Health, Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, 7700, South Africa
- Crick African Network, Francis Crick Institute, London, UK
| | - Kevin G. Bath
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, 10032, USA
- Department of Psychiatry, Columbia University Irving Medical College, New York, NY, 10032, USA
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Lian J, Kiely KM, Callaghan BL, Anstey KJ. Childhood adversity is associated with anxiety and depression in older adults: A cumulative risk and latent class analysis. J Affect Disord 2024; 354:181-190. [PMID: 38484890 DOI: 10.1016/j.jad.2024.03.016] [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: 08/23/2023] [Revised: 02/09/2024] [Accepted: 03/07/2024] [Indexed: 03/21/2024]
Abstract
BACKGROUND The long-lasting influence of childhood adversity on mental health is well documented; however empirical research examining how this association extends into older adults is limited. This study operationalises adversity using cumulative risk and latent class analysis (LCA) models to assess how adversity exposure and typologies may predict anxiety and depression in older adults. METHODS Data came from the Personality and Total Health (PATH) Through Life Project (N = 2551, age 60-66). Participants retrospectively reported their childhood experiences of domestic adversity on a 17-item scale. Mental health was measured using four validated questionnaires of depression and anxiety. RESULTS Linear and generalised additive models (GAM) indicated a dose-response relationship, where a greater number of cumulative adversities were associated with poorer scores on all four mental health measures. LCA identified a four-class solution; with high adversity and high parental dysfunction being associated with poorer mental health outcomes while moderate parental dysfunction and low adversity groups scored at healthy levels. Women reported higher overall anxiety than men, but no notable interactions between ACEs and gender were observed. Patterns revealed by LCA were similar to patterns shown by the cumulative risk model. LIMITATIONS There is a large time gap from childhood to assessment, making our study susceptible to recall bias. Also, our findings were based on cross-sectional data, limiting causal inferences. CONCLUSION Childhood adversity had independent and additive contributions to depression and anxiety in older adulthood, and both cumulative risk and person-centred approaches captured this relationship.
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Affiliation(s)
- James Lian
- School of Psychology, University of New South Wales, Kensington, NSW, Australia; Neuroscience Research Australia, Randwick, NSW, Australia; Department of Psychology, University of California, Los Angeles, Los Angeles, CA, USA.
| | - Kim M Kiely
- School of Psychology, University of New South Wales, Kensington, NSW, Australia; Neuroscience Research Australia, Randwick, NSW, Australia
| | - Bridget L Callaghan
- Department of Psychology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Kaarin J Anstey
- School of Psychology, University of New South Wales, Kensington, NSW, Australia; Neuroscience Research Australia, Randwick, NSW, Australia
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Zhang Y, Lin C, Li H, Li L, Zhou X, Xiong Y, Yan J, Xie M, Zhang X, Zhou C, Yang L. The relationship between childhood adversity and sleep quality among rural older adults in China: the mediating role of anxiety and negative coping. BMC Psychiatry 2024; 24:346. [PMID: 38720293 PMCID: PMC11077779 DOI: 10.1186/s12888-024-05792-2] [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: 01/03/2024] [Accepted: 04/25/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Studies have revealed the effects of childhood adversity, anxiety, and negative coping on sleep quality in older adults, but few studies have focused on the association between childhood adversity and sleep quality in rural older adults and the potential mechanisms of this influence. In this study, we aim to evaluate sleep quality in rural older adults, analyze the impact of adverse early experiences on their sleep quality, and explore whether anxiety and negative coping mediate this relationship. METHODS Data were derived from a large cross-sectional study conducted in Deyang City, China, which recruited 6,318 people aged 65 years and older. After excluding non-agricultural household registration and lack of key information, a total of 3,873 rural older adults were included in the analysis. Structural equation modelling (SEM) was used to analyze the relationship between childhood adversity and sleep quality, and the mediating role of anxiety and negative coping. RESULTS Approximately 48.15% of rural older adults had poor sleep quality, and older adults who were women, less educated, widowed, or living alone or had chronic illnesses had poorer sleep quality. Through structural equation model fitting, the total effect value of childhood adversity on sleep quality was 0.208 (95% CI: 0.146, 0.270), with a direct effect value of 0.066 (95% CI: 0.006, 0.130), accounting for 31.73% of the total effect; the total indirect effect value was 0.142 (95% CI: 0.119, 0.170), accounting for 68.27% of the total effect. The mediating effects of childhood adversity on sleep quality through anxiety and negative coping were significant, with effect values of 0.096 (95% CI: 0.078, 0.119) and 0.024 (95% CI: 0.014, 0.037), respectively. The chain mediating effect of anxiety and negative coping between childhood adversity and sleep quality was also significant, with an effect value of 0.022 (95% CI: 0.017, 0.028). CONCLUSIONS Anxiety and negative coping were important mediating factors for rural older adult's childhood adversity and sleep quality. This suggests that managing anxiety and negative coping in older adults may mitigate the negative effects of childhood adversity on sleep quality.
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Affiliation(s)
- Yuqin Zhang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, Sichuan, China
| | - Chengwei Lin
- Sichuan Provincial Center for Disease Control and Prevention, No.6, Zhongxue Road, Wuhou District, Chengdu, 610041, China
| | - Hongwei Li
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, Sichuan, China
| | - Lei Li
- Hospital of Chengdu University of Traditional Chinese Medicine, Deyang Integrated Traditional Chinese and Western Medicine Hospital, Deyang, 618000, China
| | - Xueyan Zhou
- Centre for Aging Health Service of Deyang City, Deyang, 618000, China
| | - Ying Xiong
- Health Commission of Deyang City, Deyang, 618000, China
| | - Jin Yan
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, Sichuan, China
| | - Mengxue Xie
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, Sichuan, China
| | - Xueli Zhang
- Sichuan Provincial Health Information Center, Chengdu, 610015, Sichuan, China
| | - Chengchao Zhou
- Centre for Health Management and Policy Research,School of Public Health, Cheeloo College of Medicine,Shandong University, NHC Key Lab of Health Economics and Policy Research, Shandong University, Jinan, 250012, China.
| | - Lian Yang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, Sichuan, China.
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Campbell TS, Donoghue K, Roth TL. Unlocking the epigenome: Stress and exercise induced Bdnf regulation in the prefrontal cortex. Neurotoxicol Teratol 2024; 103:107353. [PMID: 38648864 DOI: 10.1016/j.ntt.2024.107353] [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: 12/18/2023] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 04/25/2024]
Abstract
Aversive caregiving in early life is a risk factor for aberrant brain and behavioral development. This outcome is related to epigenetic dysregulation of the brain-derived neurotrophic factor (Bdnf) gene. The Bdnf gene encodes for BDNF, a neurotrophin involved in early brain development, neural plasticity, learning, and memory. Recent work suggests that exercise may be neuroprotective in part by supporting BDNF protein and gene expression, making it an exciting target for therapeutic interventions. To our knowledge, exercise has never been studied as a therapeutic intervention in preclinical rodent models of caregiver maltreatment. To that end, the current study investigated the effect of an adult voluntary wheel running intervention on Bdnf methylation and expression in the prefrontal cortex of rats who experienced aversive caregiving in infancy. We employed a rodent model (Long Evans rats) wherein rat pups experienced intermittent caregiver-induced stress from postnatal days 1-7 and were given voluntary access to a running wheel (except in the control condition) from postnatal days 70-90 as a young adulthood treatment intervention. Our results indicate that maltreatment and exercise affect Bdnf gene methylation in an exon, CG site, and sex-specific manner. Here we add to a growing body of evidence of the ability for our experiences, including exercise, to permeate the brain. Keywords: Early life stress, Bdnf, exercise, prefrontal cortex.
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Affiliation(s)
- Taylor S Campbell
- University of Delaware, Psychological & Brain Sciences, Newark, DE 19716, United States of America.
| | - Katelyn Donoghue
- University of Delaware, Psychological & Brain Sciences, Newark, DE 19716, United States of America
| | - Tania L Roth
- University of Delaware, Psychological & Brain Sciences, Newark, DE 19716, United States of America
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Szalanczy AM, Fitzpatrick M, Beeson A, Bui T, Dyson C, Eller S, Landry J, Scott C, Grzybowski M, Klotz J, Geurts AM, Weiner JL, Redei EE, Solberg Woods LC. Chronic stress from adolescence to adulthood increases adiposity and anxiety in rats with decreased expression of Krtcap3. Front Genet 2024; 14:1247232. [PMID: 38323241 PMCID: PMC10844407 DOI: 10.3389/fgene.2023.1247232] [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: 06/25/2023] [Accepted: 12/21/2023] [Indexed: 02/08/2024] Open
Abstract
We previously identified Keratinocyte-associated protein 3, Krtcap3, as a novel adiposity gene, but subsequently found that its impact on adiposity may depend on environmental stress. To more thoroughly understand the connection between Krtcap3, adiposity, and stress, we exposed wild-type (WT) and Krtcap3 knock-out (KO) rats to chronic stress then measured adiposity and behavioral outcomes. We found that KO rats displayed lower basal stress than WT rats under control conditions and exhibited metabolic and behavioral responses to chronic stress exposure. Specifically, stress-exposed KO rats gained more weight, consumed more food when socially isolated, and displayed more anxiety-like behaviors relative to control KO rats. Meanwhile, there were minimal differences between control and stressed WT rats. At study conclusion stress-exposed KO rats had increased corticosterone (CORT) relative to control KO rats with no differences between WT rats. In addition, KO rats, independent of prior stress exposure, had an increased CORT response to removal of their cage-mate (psychosocial stress), which was only seen in WT rats when exposed to chronic stress. Finally, we found differences in expression of the glucocorticoid receptor, Nr3c1, in the pituitary and colon between control and stress-exposed KO rats that were not present in WT rats. These data support that Krtcap3 expression affects stress response, potentially via interactions with Nr3c1, with downstream effects on adiposity and behavior. Future work is necessary to more thoroughly understand the role of Krtcap3 in the stress response.
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Affiliation(s)
- Alexandria M. Szalanczy
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Mackenzie Fitzpatrick
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Angela Beeson
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Trangdai Bui
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Christina Dyson
- Department of Physiology and Pharmacology, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Seth Eller
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Julia Landry
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Christina Scott
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Michael Grzybowski
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Jason Klotz
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Aron M. Geurts
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Jeff L. Weiner
- Department of Physiology and Pharmacology, School of Medicine, Wake Forest University, Winston Salem, NC, United States
| | - Eva E. Redei
- Department of Psychiatry and Behavioral Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Leah C. Solberg Woods
- Department of Internal Medicine, School of Medicine, Wake Forest University, Winston Salem, NC, United States
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Cohen JW, Ramphal B, DeSerisy M, Zhao Y, Pagliaccio D, Colcombe S, Milham MP, Margolis AE. Relative brain age is associated with socioeconomic status and anxiety/depression problems in youth. Dev Psychol 2024; 60:199-209. [PMID: 37747510 PMCID: PMC10993304 DOI: 10.1037/dev0001593] [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] [Indexed: 09/26/2023]
Abstract
Brain age, a measure of biological aging in the brain, has been linked to psychiatric illness, principally in adult populations. Components of socioeconomic status (SES) associate with differences in brain structure and psychiatric risk across the lifespan. This study aimed to investigate the influence of SES on brain aging in childhood and adolescence, a period of rapid neurodevelopment and peak onset for many psychiatric disorders. We reanalyzed data from the Healthy Brain Network to examine the influence of SES components (occupational prestige, public assistance enrollment, parent education, and household income-to-needs ratio [INR]) on relative brain age (RBA). Analyses included 470 youth (5-17 years; 61.3% men), self-identifying as White (55%), African American (15%), Hispanic (9%), or multiracial (17.2%). Household income was 3.95 ± 2.33 (mean ± SD) times the federal poverty threshold. RBA quantified differences between chronological age and brain age using covariation patterns of morphological features and total volumes. We also examined associations between RBA and psychiatric symptoms (Child Behavior Checklist [CBCL]). Models covaried for sex, scan location, and parent psychiatric diagnoses. In a linear regression, lower RBA is associated with lower parent occupational prestige (p = .01), lower public assistance enrollment (p = .03), and more parent psychiatric diagnoses (p = .01), but not parent education or INR. Lower parent occupational prestige (p = .02) and lower RBA (p = .04) are associated with higher CBCL anxious/depressed scores. Our findings underscore the importance of including SES components in developmental brain research. Delayed brain aging may represent a potential biological pathway from SES to psychiatric risk. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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Affiliation(s)
- Jacob W. Cohen
- New York State Psychiatric Institute and Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University
| | - Bruce Ramphal
- New York State Psychiatric Institute and Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University
- T.H. Chan School of Public Health, Harvard Medical School
| | - Mariah DeSerisy
- Department of Epidemiology, Mailman School of Public Health, Columbia University
| | - Yihong Zhao
- Columbia University School of Nursing
- Center for Biological Imaging and Neuromodulation, Nathan S. Kline Institute, Orangeburg, New York, United States
| | - David Pagliaccio
- New York State Psychiatric Institute and Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University
| | - Stan Colcombe
- Center for Biological Imaging and Neuromodulation, Nathan S. Kline Institute, Orangeburg, New York, United States
| | - Michael P. Milham
- Child Mind Institute, New York, New York, United States
- Nathan S. Kline Institute, Orangeburg, New York, United States
| | - Amy E. Margolis
- New York State Psychiatric Institute and Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University
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9
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Jelsma EB, Varner FA, Benner AD. Relationships between sleep duration and health among U.S. adults with a history of household incarceration during childhood. THE AMERICAN JOURNAL OF ORTHOPSYCHIATRY 2023; 94:212-221. [PMID: 38059994 PMCID: PMC10922323 DOI: 10.1037/ort0000716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
The rate of incarceration in the United States has increased at an alarming rate in the past 30 years and thus so has the number of children having a household member incarcerated (referred to as household incarceration). Associations between experiencing household incarceration in childhood and later negative health and developmental outcomes are well-documented; however, the underlying mechanisms linking this childhood stressor and adult outcomes have been less well studied. Using state Behavioral Risk Factor Surveillance System survey data (N = 145,102), this study examines how experiencing household incarceration during childhood is associated with mental and physical health in adulthood and mediational pathways through suboptimal sleep (short or long sleep). Results indicate there were significant indirect effects of household incarceration to physical and mental distress through short sleep (≤ 6 hr per 24 hr) and long sleep (≥ 10 hr per 24 hr), and a significant indirect effect of household incarceration to body mass index through short sleep. Findings from the present study highlight indirect pathways through which household incarceration in childhood is linked with sleep health in adulthood and, in turn, to negative mental and physical health. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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Affiliation(s)
- Elizabeth B Jelsma
- Department of Psychological, Health, and Learning Sciences, University of Houston
| | - Fatima A Varner
- Department of Human Development and Family Sciences, University of Texas at Austin
| | - Aprile D Benner
- Department of Human Development and Family Sciences, University of Texas at Austin
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10
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Lipowicz A, Bugdol MN, Umławska W, Mitas AW. The long-lasting effect of early life family structure on social position, well-being, and biological condition in adulthood. Aging Male 2023; 26:2239896. [PMID: 37519090 DOI: 10.1080/13685538.2023.2239896] [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: 04/19/2023] [Revised: 07/17/2023] [Accepted: 07/18/2023] [Indexed: 08/01/2023] Open
Abstract
BACKGROUND The absence of even one parent has short- and long-term effects on the child's current and future health. The purpose of the study was to determine whether there is a long-term relationship between the type of family in which men were raised and an individual's adult social position, well-being in adulthood and their biological condition regardless of social status in adulthood. MATERIALS AND METHODS Data for 4528 males, aged 25-80 years, were selected from the archives of the Lower Silesian Medical Centre in Wrocław, Poland. A total of 329 men declared that they grew up in incomplete families. Height, weight, % fat, cardiovascular and respiratory systems, blood parameters, and health of men who grew up in complete or incomplete families were compared. RESULTS Growing up in an incomplete family reduced chances for better education, decreased life satisfaction in adulthood, and negatively affected the final height. After taking into account the education achieved, the effect persisted only for diastolic blood pressure, creatinine, and serum phosphorus levels. CONCLUSIONS Growing up in an incomplete family has a significant impact on male's socioeconomic position (SES), life satisfaction, and final height. A poorer quality of diet is proposed as an early life risk factor for adult health.
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Affiliation(s)
- Anna Lipowicz
- Department of Anthropology, Institute of Environmental Biology, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Monika Natalia Bugdol
- Department of Informatics and Medical Equipment, Faculty of Biomedical Engineering, Silesian University of Technology, Gliwice, Poland
| | - Wioleta Umławska
- Department of Human Biology, University of Wrocław, Wrocław, Poland
| | - Andrzej Waldemar Mitas
- Department of Informatics and Medical Equipment, Faculty of Biomedical Engineering, Silesian University of Technology, Gliwice, Poland
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11
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Luk JW, Leiter N, Axelowitz JC, Stangl BL, Melendez CR, Schwandt ML, Gunawan T, Goldman D, Diazgranados N, Ramchandani VA. Effects of clustering and timing of early life stress exposure on mood problems, ADHD symptoms, and problematic drinking. J Psychiatr Res 2023; 166:130-138. [PMID: 37769594 PMCID: PMC10686194 DOI: 10.1016/j.jpsychires.2023.09.018] [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: 11/09/2022] [Revised: 07/14/2023] [Accepted: 09/15/2023] [Indexed: 10/03/2023]
Abstract
OBJECTIVE Exposure to early life stress (ELS) may lead to long-term health consequences. The Early Life Stress Questionnaire (ELSQ) is a retrospective measure of multiple ELS and their timing. Latent class analysis (LCA) has not been applied to the ELSQ and questions regarding timing are rarely explored. This study examined the effects of clustering and timing of ELS exposure on internalizing and externalizing symptoms. METHOD Data from 1095 participants in the NIAAA Natural History Protocol were analyzed. LCA was conducted on 18 ELS items. Regression and correlational analyses examined associations of latent classes with sociodemographic variables and clinical outcomes. RESULTS LCA revealed three classes: Class 1: Minimal ELS (54.2%), Class 2: Moderate ELS (33.2%), and Class 3: Multiple and High ELS (12.6%). Black/African American participants were more likely to be in Class 2, and participants with low household income were more likely to be in Classes 2 and 3. Family history of problematic alcohol use and individual alcohol use disorder diagnosis were linked to Classes with higher ELS exposure. Compared with Class 1, Class 2 reported higher anxiety symptoms, depressive symptoms, ADHD symptoms, and problematic drinking, and Class 3 reported the highest levels across all these outcomes. Regarding timing, earlier exposure to ELS (e.g., sustained family conflict and witnessed domestic violence) was associated with higher psychopathological symptoms. CONCLUSIONS The ELSQ can effectively capture clustering and timing of exposure to multiple ELS. Greater and earlier exposure to ELS were positively associated with internalizing and externalizing symptoms, underscoring the need for early and well-timed intervention.
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Affiliation(s)
- Jeremy W Luk
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA.
| | - Noa Leiter
- Human Psychopharmacology Laboratory, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - Jared C Axelowitz
- Human Psychopharmacology Laboratory, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - Bethany L Stangl
- Human Psychopharmacology Laboratory, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - Carlos R Melendez
- Human Psychopharmacology Laboratory, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - Melanie L Schwandt
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - Tommy Gunawan
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA; Human Psychopharmacology Laboratory, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - David Goldman
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA; Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, Rockville, MD, USA
| | - Nancy Diazgranados
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - Vijay A Ramchandani
- Human Psychopharmacology Laboratory, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
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12
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Tesfaye Y, Alemu B, Soboka M, Girma S, Reinhard MA, Rek S, Adorjan K, Zhelyazkova A, Padberg F, Jobst A, Abera M. Mental health problems during the COVID-19 pandemic among residents of Jimma town: a cross-sectional study. Eur Arch Psychiatry Clin Neurosci 2023:10.1007/s00406-023-01674-y. [PMID: 37715069 DOI: 10.1007/s00406-023-01674-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 08/08/2023] [Indexed: 09/17/2023]
Abstract
The COVID-19 pandemic presents an unprecedented challenge to community wellbeing and mental health. However, quantifiable information on the extent of mental health problems and associated factors due to the pandemic is still lacking in low-income countries. Thus, this study aimed to investigate the levels of depression, anxiety, and stress and their association with risk and resilience factors among residents of Jimma town in Southwestern Ethiopia. A community-based cross-sectional study was conducted between October 2021 and November 2021. Data were collected from 1196 adult Jimma town residents selected through multi-stage sampling. The following scales were used for the cross-sectional assessment of depressions, anxiety and stress and their associations: depression, anxiety, and stress-21(DASS-21), World Health Organization (WHO) wellbeing, University of California, Los Angeles Loneliness Scale (UCLA), Childhood trauma questionnaire, and brief resilience scales. A pre-tested, interviewer-completed questionnaire was used for data collection. Bivariate and multivariate logistic regression analyses were conducted to identify factors associated with depression, anxiety, and stress. Odds ratios consistent with 95% CI were used to report the presence of an association between risk and resilience factors and the outcome variable at a P-value < 0.05. Overall, 963 (80.53%) respondents had divergent DASS-21 score findings. Specifically, 27.68%, 31.52% and 21.32% experienced depression, anxiety, and stress respectively. Higher DASS-21 scores were associated with the presence of one or more COVID-19 risk factors for anyone close to the participants (AOR = 1.53, 95% CI 1.03-2.27), feelings of stress/burden (β = 1.09, 95% CI 1.07-1.12), positive coping (β = 1.044, 95% CI 1.01-1.07), loneliness (β = 1.063, 95% CI 1.04-1.08), and childhood trauma (β = 1.03, 95% CI 1.01-1.04). In contrast, lower DASS-21 scores were associated with beliefs about the necessity of solidarity-based behavior (β = 0.94, 95% CI 0.90-0.98), resilience (β = 0.92, 95% CI 0.87-0.97) and wellbeing (β = 0.90, 95% CI 0.87-0.94). In the course of the COVID-19 pandemic in 2021, symptoms of depression, anxiety, and stress in the study community were prevalent, and associated with numerous risk and resilience factors. Although causality cannot be inferred, these findings underscore the importance of strengthening mental health services and may guide COVID-19 prevention and treatment strategies.
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Affiliation(s)
- Yonas Tesfaye
- Department of Psychiatry, Faculty of Medical Sciences, Jimma University, Jimma, Ethiopia.
| | - Bezaye Alemu
- Department of Psychiatry, Faculty of Medical Sciences, Jimma University, Jimma, Ethiopia
| | - Matiwos Soboka
- Department of Psychiatry, Faculty of Medical Sciences, Jimma University, Jimma, Ethiopia
| | - Shimelis Girma
- Department of Psychiatry, Faculty of Medical Sciences, Jimma University, Jimma, Ethiopia
| | - Matthias A Reinhard
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - Stefanie Rek
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - Kristina Adorjan
- Center for International Health, Ludwig Maximilian University, Munich, Germany
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - Ana Zhelyazkova
- Institut für Notfallmedizin und Medizinmanagement (INM), Klinikum der, Universität München LMU München, Munich, Germany
| | - Frank Padberg
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - Andrea Jobst
- Center for International Health, Ludwig Maximilian University, Munich, Germany
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - Mubarek Abera
- Department of Psychiatry, Faculty of Medical Sciences, Jimma University, Jimma, Ethiopia
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13
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Lee ARYB, Low CE, Yau CE, Li J, Ho R, Ho CSH. Lifetime Burden of Psychological Symptoms, Disorders, and Suicide Due to Cancer in Childhood, Adolescent, and Young Adult Years: A Systematic Review and Meta-analysis. JAMA Pediatr 2023; 177:790-799. [PMID: 37345504 PMCID: PMC10288378 DOI: 10.1001/jamapediatrics.2023.2168] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 04/26/2023] [Indexed: 06/23/2023]
Abstract
Importance A cancer diagnosis and treatment may result in highly traumatic periods with lasting psychological consequences for children, adolescent, and young adult patients with cancer (CYACs). Early identification and management may prevent long-term psychological morbidity and suicide. Objective To analyze risk, severity, and risk factors for depression, anxiety, psychotic disorders, and suicide in CYACs and noncancer comparators. Data Sources Literature search of PubMed, MEDLINE, Embase, PsycINFO, CINAHL, and PubMed Central from January 1, 2000, to November 18, 2022. Study Selection Full-length articles in peer-reviewed journals that measured and reported risk and/or severity of depression, anxiety, psychotic disorders, and suicide mortality in CYACs and a noncancer comparator group. Data Extraction and Synthesis Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) reporting guidelines were followed with prospective PROSPERO registration. Main Outcomes and Measures Risk ratios (RRs) were used for dichotomous outcomes, and standardized mean differences (SMDs) were used for continuous outcomes. SMDs were defined as follows: 0.2, small; 0.5, medium; and 0.8, large. Sources of heterogeneity and risk factors were investigated using sensitivity, subgroup, and meta-regression analyses. Results From 7319 records, 52 studies were included. Meta-analyses revealed that CYACs were at increased lifetime risk of severe symptoms or a disorder of depression (RR, 1.57; 95% CI, 1.29-1.92), anxiety (RR, 1.29; 95% CI, 1.14-1.47), and psychotic disorders (RR, 1.56; 95% CI, 1.36-1.80) relative to both matched controls and their siblings. Overall suicide mortality was not significantly elevated (RR, 1.63; 95% CI, 0.78-3.40). The mean severity of depression was found to be elevated in CYACs receiving treatment (SMD, 0.44; 95% CI, 0.13-0.74) and long-term survivors (SMD, 0.18; 95% CI, 0.02-0.33). The mean severity of anxiety was found to be elevated only during treatment (SMD, 0.16; 95% CI, 0.03-0.20). Conclusions and Relevance Findings of this systematic review and meta-analysis suggest that CYACs may experience lasting psychological burden long into survivorship. Timely identification, preventive efforts, and psycho-oncological intervention for psychological comorbidity are recommended.
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Affiliation(s)
- Ainsley Ryan Yan Bin Lee
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Chen Ee Low
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Chun En Yau
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Jiaqi Li
- School of Clinical Medicine, University of Cambridge, Addenbrooke’s Hospital, Cambridge, United Kingdom
| | - Roger Ho
- Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Department of Psychological Medicine, National University Hospital, Singapore
| | - Cyrus Su Hui Ho
- Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Department of Psychological Medicine, National University Hospital, Singapore
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14
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Sun L, Li W, Qiu Q, Hu Y, Yang Z, Xiao S. Anxiety adds the risk of cognitive progression and is associated with axon/synapse degeneration among cognitively unimpaired older adults. EBioMedicine 2023; 94:104703. [PMID: 37429081 PMCID: PMC10435838 DOI: 10.1016/j.ebiom.2023.104703] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 06/20/2023] [Accepted: 06/26/2023] [Indexed: 07/12/2023] Open
Abstract
BACKGROUND Mental symptoms have been shown to be associated with dementia. As the most common neuropsychiatric disorder, it is unclear whether and why anxiety increases the risk of cognitive progression in elderly. METHODS The aim of this study was to investigate the longitudinal effects of anxiety on cognitive impairment in non-dementia elderly and to explore the underlying biological processes using multi-omics including microarray-based transcriptomics, mass spectrometry-based proteomics and metabolomics, cerebrospinal fluid (CSF) biochemical markers, and brain diffusion tensor imaging (DTI). The Alzheimer's Disease Neuroimaging Initiative (ADNI), Chinese Longitudinal Healthy Longevity Survey (CLHLS) and Shanghai Mental Health Centre (SMHC) cohorts were included. FINDINGS Anxiety was found to increase the risk of subsequent cognitive progression in the ADNI, and a similar result was observed in the CLHLS cohort. Enrichment analysis indicated activated axon/synapse pathways and suppressed mitochondrial pathways in anxiety, the former confirmed by deviations in frontolimbic tract morphology and altered levels of axon/synapse markers, and the latter supported by decreased levels of carnitine metabolites. Mediation analysis revealed that anxiety's effect on the longitudinal cognition was mediated by brain tau burden. Correlations of mitochondria-related expressed genes with axon/synapse proteins, carnitine metabolites, and cognitive changes were found. INTERPRETATION This study provides cross-validated epidemiological and biological evidence that anxiety is a risk factor for cognitive progression in non-dementia elderly, and that axon/synapse damage in the context of energy metabolism imbalance may contribute to this phenomenon. FUNDING The National Natural Science Foundation of China (82271607, 81971682, and 81830059) for data analysis and data collection.
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Affiliation(s)
- Lin Sun
- Department of Psychiatry, Alzheimer's Disease and Related Disorders Center, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China.
| | - Wei Li
- Department of Psychiatry, Alzheimer's Disease and Related Disorders Center, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Qi Qiu
- Department of Psychiatry, Alzheimer's Disease and Related Disorders Center, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Yang Hu
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Institute of Psychological and Behavioural Science, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Zhi Yang
- Beijing Key Laboratory of Mental Disorders, National Clinical Research Center for Mental Disorders & National Center for Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, PR China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, PR China.
| | - Shifu Xiao
- Department of Psychiatry, Alzheimer's Disease and Related Disorders Center, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China.
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15
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White LK, Barzilay R, Moore TM, Calkins ME, Jones JD, Himes MM, Young JF, Gur RC, Gur RE. Risk and Resilience Measures Related to Psychopathology in Youth. Child Psychiatry Hum Dev 2023; 54:961-972. [PMID: 35037180 PMCID: PMC9289457 DOI: 10.1007/s10578-021-01296-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/29/2021] [Indexed: 11/30/2022]
Abstract
Childhood adversity places youth at risk for multiple negative outcomes. The current study aimed to understand how a constellation of risk and resilience factors influenced mental health outcomes as a function of adversities: socioeconomic status (SES) and traumatic stressful events (TSEs). Specifically, we examined outcomes related to psychosis and mood disorders, as well as global clinical functioning. The current study is a longitudinal follow up of 140 participants from the Philadelphia Neurodevelopmental Cohort (PNC) assessed for adversities at Time 1 (Mean age: 14.11 years) and risk, resilience, and clinical outcomes at Time 2 (mean age: 21.54 years). In the context of TSE, a limited set of predictors emerged as important; a more diverse set of moderators emerged in the context of SES. Across adversities, social support was a unique predictor of psychosis spectrum diagnoses and global functioning; emotion dysregulation was an important predictor for mood diagnoses. The current findings underscore the importance of understanding effects of childhood adversity on maladaptive outcomes within a resilience framework.
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Affiliation(s)
- Lauren K White
- Lifespan Brain Institute, Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA.
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.
| | - Ran Barzilay
- Lifespan Brain Institute, Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Tyler M Moore
- Lifespan Brain Institute, Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Monica E Calkins
- Lifespan Brain Institute, Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Jason D Jones
- Lifespan Brain Institute, Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Megan M Himes
- Lifespan Brain Institute, Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Jami F Young
- Lifespan Brain Institute, Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Ruben C Gur
- Lifespan Brain Institute, Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Raquel E Gur
- Lifespan Brain Institute, Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
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16
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Salonen M, Mikkola S, Niskanen JE, Hakanen E, Sulkama S, Puurunen J, Lohi H. Breed, age, and social environment are associated with personality traits in dogs. iScience 2023; 26:106691. [PMID: 37168553 PMCID: PMC10165416 DOI: 10.1016/j.isci.2023.106691] [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: 11/16/2022] [Revised: 03/14/2023] [Accepted: 04/13/2023] [Indexed: 05/13/2023] Open
Abstract
Personality in pets and other domesticated animals is important for their well-being and it can also influence human-animal relationships. Genetic and environmental factors influencing unwanted behavior in dogs are somewhat well known, but the factors influencing dog personality remain understudied. Here we examined environmental and demographic factors associated with seven broad personality traits in a survey of over 11,000 dogs. We utilized linear models and extensive model validation to examine the factors that have the most significant influences on personality and calculated effect sizes to assess the importance of these variables. Breed and age had the strongest associations with dog personality traits. Some environmental factors, especially puppyhood socialization, were also associated with personality. All factors had small effect sizes, highlighting that a lot of variation in personality remains unexplained. Our results indicate that personality traits are complex and strikingly similar in dogs, humans, and other nonhuman animals.
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Affiliation(s)
- Milla Salonen
- Department of Medical and Clinical Genetics, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Folkhälsan Research Center, Uusimaa, 00290 Helsinki, Finland
- Department of Biology, University of Turku, Turku, 20014 Southwest Finland, Finland
- Corresponding author
| | - Salla Mikkola
- Department of Medical and Clinical Genetics, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Folkhälsan Research Center, Uusimaa, 00290 Helsinki, Finland
| | - Julia E. Niskanen
- Department of Medical and Clinical Genetics, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Folkhälsan Research Center, Uusimaa, 00290 Helsinki, Finland
| | - Emma Hakanen
- Department of Medical and Clinical Genetics, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Folkhälsan Research Center, Uusimaa, 00290 Helsinki, Finland
| | - Sini Sulkama
- Department of Medical and Clinical Genetics, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Folkhälsan Research Center, Uusimaa, 00290 Helsinki, Finland
| | - Jenni Puurunen
- Department of Medical and Clinical Genetics, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Folkhälsan Research Center, Uusimaa, 00290 Helsinki, Finland
| | - Hannes Lohi
- Department of Medical and Clinical Genetics, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, Uusimaa, 00014 Helsinki, Finland
- Folkhälsan Research Center, Uusimaa, 00290 Helsinki, Finland
- Corresponding author
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17
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Chen MA, Suchting R, Thayer JF, Fagundes CP. Resilience to stress across the lifespan: Childhood maltreatment, heart rate variability, and bereavement. Psychol Aging 2023; 38:247-262. [PMID: 36951695 PMCID: PMC10192121 DOI: 10.1037/pag0000738] [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] [Indexed: 03/24/2023]
Abstract
Following a stressful life event, there is considerable variation in how individuals respond and adapt. Multiple models of risk and resilience show that adverse childhood experiences may be associated with an individual's response to stress later in life. While there is considerable support that early adversity can sensitize the stress response system and lead to adverse outcomes later in life, there is mounting evidence that in adolescence and young adulthood, certain biological predispositions to stress may be associated with resilience in the context of subsequent stressors. In this study, we evaluated how individual differences in vagally mediated heart rate variability moderated the relationship between childhood maltreatment and grief among a sample of individuals experiencing a stressful life event (i.e., spousal bereavement) over time. Data were collected at approximately 3, 4.5, and 6.5 months after the death of a spouse (n = 130). Heart rate variability moderated the relationship between childhood maltreatment and grief symptoms over time (b = -0.03, p < .001), such that among individuals with more severe experiences of childhood maltreatment, those with higher heart rate variability had a faster recovery from grief than those with low heart rate variability. This research highlights an overall pattern of resilience among older adult's following spousal bereavement, as well as the relationships between childhood maltreatment, heart rate variability, and differential responses to grief following the loss of a spouse. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Affiliation(s)
- Michelle A. Chen
- Institute of Policy Research, Northwestern University, Evanston, IL
| | - Robert Suchting
- Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center, Houston, TX
| | - Julian F. Thayer
- Department of Psychological Science, University of California, Irvine, Irvine, CA
- Department of Psychology, The Ohio State University, Columbus, OH
| | - Christopher P. Fagundes
- Department of Psychological Sciences, Rice University, Houston, TX
- Department of Behavioral Sciences, The University of Texas MD Anderson Cancer Center, Houston, TX
- Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX
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18
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Silva AO, Ribeiro JM, Patrocínio TB, Amorim GE, Pereira-Júnior AA, Ângelo ML, de Araújo Paula FB, de Mello Silva Oliveira N, Ruginsk SG, Antunes-Rodrigues J, Elias LLK, Dias MVS, Torres LH, Ceron CS. Protective Effects of Kefir Against Unpredictable Chronic Stress Alterations in Mice Central Nervous System, Heart, and Kidney. Probiotics Antimicrob Proteins 2023; 15:411-423. [PMID: 36534210 DOI: 10.1007/s12602-022-10031-9] [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] [Accepted: 12/07/2022] [Indexed: 12/23/2022]
Abstract
Kefir is a probiotic mixture with anxiolytic and antioxidant properties. Chronic stress can lead to anxiety disorders and increase oxidative damage in organs such as the heart and kidney. In this study, we examined whether kefir ameliorates the anxiety-like behavior of mice submitted to chronic unpredictable stress (CUS) by modulating brain-derived neurotrophic factor (BDNF) and corticosterone levels and whether kefir modifies the oxidative parameters in the heart and kidney of mice. Male Swiss mice received kefir (0.3 mL/100 g/day) or milk for 30 days (gavage). On the 10th day, the mice were submitted to CUS. Behavioral analysis was performed using the elevated plus maze and forced swimming tests. BDNF levels were analyzed in brain tissues. Heart and kidney superoxide dismutase (SOD), catalase, glutathione (GSH), thiobarbituric acid reactive substances (TBARS), 3-nitrotyrosine, metalloproteinase-2 (MMP-2), and plasma corticosterone were evaluated. Kefir reverted the CUS-induced decrease in the time spent in the open arms, the increase in grooming frequency, and decrease in the head dipping frequency, but not the reduced immobility time. CUS decreased the cerebellum BDNF levels and increased corticosterone levels, which were restored by Kefir. Neither catalase and SOD activities nor GSH, TBARS, 3-nitrotyrosine, and MMP-2 were modified by CUS in the heart. In the kidney, CUS increased 3-nitrotyrosine and MMP-2. Kefir increased the antioxidant defense in the heart and kidney of control and CUS mice. These results suggest that kefir ameliorated CUS-induced anxiety-like behavior by modulating brain BDNF and corticosterone levels. Kefir also increased the antioxidant defense of mice heart and kidney.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | - Carla Speroni Ceron
- Department of Biological Sciences, Institute of Exact and Biological Sciences, Federal University of Ouro Preto (UFOP), Diogo de Vasconcelos, 122, 35400-000l, Ouro Preto, MG, Brazil.
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19
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Karaytuğ MO, Tamam L, Demirkol ME, Namlı Z, Gürbüz M, Yeşiloğlu C. Impact of Childhood Trauma and Adult Separation Anxiety Disorder on Quality of Life in Individuals with Schizophrenia. Neuropsychiatr Dis Treat 2023; 19:181-196. [PMID: 36714165 PMCID: PMC9882412 DOI: 10.2147/ndt.s391897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 01/13/2023] [Indexed: 01/24/2023] Open
Abstract
Background Childhood trauma and anxiety disorders are common in individuals with schizophrenia. This study aimed to investigate the effects of childhood trauma and adult separation anxiety disorder on the quality of life of individuals with schizophrenia. Methods This cross-sectional study included 111 individuals with schizophrenia and 85 control subjects. The separation anxiety symptom inventory (SASI), adult separation anxiety questionnaire (ASAQ), Positive and Negative Syndrome Scale (PANSS), childhood trauma questionnaire (CTQ), and World Health Organization quality of life questionnaire (WHOQoL-BREF) were administered to the participants. Results More individuals with schizophrenia than control subjects were unemployed and single (p<0.05). Individuals with schizophrenia scored significantly higher on the SASI, ASAQ, and CTQ (p<0.05), whereas the control subjects scored significantly higher on the WHOQoL-BREF (p<0.05). ASAQ scores had mild positive correlations with total PANSS and PANSS subscale scores, and moderate positive correlations with total CTQ, CTQ emotional subscale scores, and CTQ physical abuse subscale scores. A negative moderate correlation was found between ASAQ and total WHOQoL-BREF scores. Mediation analysis revealed that CTQ scores significantly affected total WHOQoL-BREF and ASAQ scores. The model pathway for ASAQ scores showed a significant direct and indirect effect of CTQ on the total WHOQoL-BREF scores. Conclusion Childhood trauma predicts adult separation anxiety disorder, which partially mediates the impact of childhood trauma on quality of life in individuals with schizophrenia. Therapeutic interventions for adult separation anxiety disorder in individuals with schizophrenia and a history of childhood trauma may help increase their quality of life.
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Affiliation(s)
- Mahmut Onur Karaytuğ
- Department of Psychiatry, Faculty of Medicine, Çukurova University, Adana, Turkey
| | - Lut Tamam
- Department of Psychiatry, Faculty of Medicine, Çukurova University, Adana, Turkey
| | - Mehmet Emin Demirkol
- Department of Psychiatry, Faculty of Medicine, Çukurova University, Adana, Turkey
| | - Zeynep Namlı
- Department of Psychiatry, Faculty of Medicine, Çukurova University, Adana, Turkey
| | - Mahmut Gürbüz
- Clinic for Psychiatry and Psychotherapy, St. Elisabeth Hospital, Gelsenkirchen, Nordrhein Westfalen, Germany
| | - Caner Yeşiloğlu
- Department of Psychiatry, Ahi Evran University, Kırşehir, Turkey
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20
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Huang Z, Zhang Y, Ma X, Feng Y, Zong X, Jordan JD, Zhang Q. Photobiomodulation attenuates oligodendrocyte dysfunction and prevents adverse neurological consequences in a rat model of early life adversity. Theranostics 2023; 13:913-930. [PMID: 36793860 PMCID: PMC9925323 DOI: 10.7150/thno.78777] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 01/04/2023] [Indexed: 02/04/2023] Open
Abstract
Rationale: Adverse experiences in early life including abuse, trauma and neglect, have been linked to poor physical and mental health outcomes. Emerging evidence implies that those who experienced early life adversity (ELA) are more likely to develop cognitive dysfunction and depressive-like symptoms in adulthood. The molecular mechanisms responsible for the negative consequences of ELA, however, remain unclear. In the absence of effective management options, anticipatory guidance is the mainstay of ELA prevention. Furthermore, there is no available treatment that prevents or alleviates the neurologic sequelae of ELA, especially traumatic stress. Hence, the present study aims to investigate the mechanisms for these associations and evaluate whether photobiomodulation (PBM), a non-invasive therapeutic procedure, can prevent the negative cognitive and behavioral manifestations of ELA in later life. Methods: ELA was induced by repeated inescapable electric foot shock of rats from postnatal day 21 to 26. On the day immediately following the last foot shock, 2-min daily PBM treatment was applied transcranially for 7 consecutive days. Cognitive dysfunction and depression-like behaviors were measured by a battery of behavioral tests in adulthood. Subsequently, oligodendrocyte progenitor cells (OPCs) differentiation, the proliferation and apoptosis of oligodendrocyte lineage cells (OLs), mature oligodendrocyte, myelinating oligodendrocyte, the level of oxidative damage, reactive oxygen species (ROS) and total antioxidant capacity were measured and analyzed using immunofluorescence staining, capillary-based immunoassay (ProteinSimple®) and antioxidant assay kit. Results: The rats exposed to ELA exhibited obvious oligodendrocyte dysfunction, including a reduction in OPCs differentiation, diminished generation and survival of OLs, decreased OLs, and decreased matured oligodendrocyte. Furthermore, a deficit in myelinating oligodendrocytes was observed, in conjunction with an imbalance in redox homeostasis and accumulated oxidative damage. These alternations were concomitant with cognitive dysfunction and depression-like behaviors. Importantly, we found that early PBM treatment largely prevented these pathologies and reversed the neurologic sequelae resulting from ELA. Conclusions: Collectively, these findings provide new insights into the mechanism by which ELA affects neurological outcomes. Moreover, our findings support that PBM may be a promising strategy to prevent ELA-induced neurologic sequelae that develops later in life.
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Affiliation(s)
| | | | | | | | | | - J. Dedrick Jordan
- Department of Neurology, Louisiana State University Health Sciences Center, Shreveport, LA, 1501 Kings Highway, LA 71103 USA
| | - Quanguang Zhang
- Department of Neurology, Louisiana State University Health Sciences Center, Shreveport, LA, 1501 Kings Highway, LA 71103 USA
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21
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Mahony C, O'Ryan C. A molecular framework for autistic experiences: Mitochondrial allostatic load as a mediator between autism and psychopathology. Front Psychiatry 2022; 13:985713. [PMID: 36506457 PMCID: PMC9732262 DOI: 10.3389/fpsyt.2022.985713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 11/07/2022] [Indexed: 11/27/2022] Open
Abstract
Molecular autism research is evolving toward a biopsychosocial framework that is more informed by autistic experiences. In this context, research aims are moving away from correcting external autistic behaviors and toward alleviating internal distress. Autism Spectrum Conditions (ASCs) are associated with high rates of depression, suicidality and other comorbid psychopathologies, but this relationship is poorly understood. Here, we integrate emerging characterizations of internal autistic experiences within a molecular framework to yield insight into the prevalence of psychopathology in ASC. We demonstrate that descriptions of social camouflaging and autistic burnout resonate closely with the accepted definitions for early life stress (ELS) and chronic adolescent stress (CAS). We propose that social camouflaging could be considered a distinct form of CAS that contributes to allostatic overload, culminating in a pathophysiological state that is experienced as autistic burnout. Autistic burnout is thought to contribute to psychopathology via psychological and physiological mechanisms, but these remain largely unexplored by molecular researchers. Building on converging fields in molecular neuroscience, we discuss the substantial evidence implicating mitochondrial dysfunction in ASC to propose a novel role for mitochondrial allostatic load in the relationship between autism and psychopathology. An interplay between mitochondrial, neuroimmune and neuroendocrine signaling is increasingly implicated in stress-related psychopathologies, and these molecular players are also associated with neurodevelopmental, neurophysiological and neurochemical aspects of ASC. Together, this suggests an increased exposure and underlying molecular susceptibility to ELS that increases the risk of psychopathology in ASC. This article describes an integrative framework shaped by autistic experiences that highlights novel avenues for molecular research into mechanisms that directly affect the quality of life and wellbeing of autistic individuals. Moreover, this framework emphasizes the need for increased access to diagnoses, accommodations, and resources to improve mental health outcomes in autism.
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Affiliation(s)
| | - Colleen O'Ryan
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, South Africa
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22
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Age-related no-go P300 amplitudes are moderated by exposure to early-life stress. Int J Psychophysiol 2022; 180:1-9. [PMID: 35820509 PMCID: PMC9815473 DOI: 10.1016/j.ijpsycho.2022.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 06/08/2022] [Accepted: 06/22/2022] [Indexed: 01/11/2023]
Abstract
Deficits in inhibitory control are common with advancing age and may underlie declines in other complex cognitive functions. The inhibitory P300 event-related potential (ERP) generally decreases in amplitude with age, reflecting deficits in inhibitory performance evaluation and adaptation, with possible generators including precentral and inferior frontal gyri and midcingulate and parietal cortex. Exposure to early-life stress (ELS) is also associated with deficits in inhibitory control, smaller P300 amplitudes, and dysfunction in regions associated with P300 generation. Although biopsychosocial effects of ELS are evident in older adulthood, the influence of ELS on neural processes in later life is unknown. In the current study, 13 young adults and 21 healthy older adults completed a high-accuracy go/no-go task and the Juvenile Victimization Questionnaire (JVQ), an indicator of ELS. Regression analyses revealed significant central-parietal models, with smaller P300 amplitudes predicted by both older age and greater exposure to ELS. Age group*ELS interactions moderated P300 prediction at central and centro-parietal electrodes, such that older age predicted smaller P300 amplitudes only in those with lower to moderate ELS. Amplitudes did not significantly differ by age in those with higher ELS. Post-hoc within-age group correlations showed that greater ELS was associated with smaller P300 amplitudes in young adults. However, greater ELS was modestly associated with larger central amplitudes in older adults, potentially suggestive of anterior age-related compensatory recruitment to maintain high task performance. These findings suggest long-lasting neural implications of ELS that interact with normative neuro-cognitive aging processes, such that ELS may be an important risk factor for age-related cognitive decline.
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23
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Rosen JB, Schulkin J. Hyperexcitability: From Normal Fear to Pathological Anxiety and Trauma. Front Syst Neurosci 2022; 16:727054. [PMID: 35993088 PMCID: PMC9387392 DOI: 10.3389/fnsys.2022.727054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 06/20/2022] [Indexed: 11/16/2022] Open
Abstract
Hyperexcitability in fear circuits is suggested to be important for development of pathological anxiety and trauma from adaptive mechanisms of fear. Hyperexcitability is proposed to be due to acquired sensitization in fear circuits that progressively becomes more severe over time causing changing symptoms in early and late pathology. We use the metaphor and mechanisms of kindling to examine gains and losses in function of one excitatory and one inhibitory neuropeptide, corticotrophin releasing factor and somatostatin, respectively, to explore this sensitization hypothesis. We suggest amygdala kindling induced hyperexcitability, hyper-inhibition and loss of inhibition provide clues to mechanisms for hyperexcitability and progressive changes in function initiated by stress and trauma.
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Affiliation(s)
- Jeffrey B. Rosen
- Department of Psychological and Brain Sciences, University of Delaware, Newark, DE, United States
- *Correspondence: Jeffrey B. Rosen,
| | - Jay Schulkin
- School of Medicine, University of Washington, Seattle, WA, United States
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24
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Featherstone RE, Gifford RL, Crown LM, Amirfathi F, Alaniz JP, Yi J, Tran A, Adomian D, Schwenk A, Melnychenko O, Duval C, Parekh K, Lee DJ, Siegel SJ. Early life social instability stress causes lasting cognitive decrement and elevated hippocampal stress-related gene expression. Exp Neurol 2022; 354:114099. [PMID: 35490720 DOI: 10.1016/j.expneurol.2022.114099] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 04/07/2022] [Accepted: 04/24/2022] [Indexed: 01/06/2023]
Abstract
BACKGROUND Early life stress may have profound effects on brain health, yielding both short- and long-term cognitive or psychiatric impairment. Early life Social Instability Stress (SIS) in rodents has been used to model the effects of early chronic human stress. While many studies have assessed acute and short-term responses to this stressor, less attention has been paid to the lasting effects of early life stress in rodents. METHODS The current study utilized SIS in young mice to assess the impact of early life adversity over the lifespan. Mice were assessed in adulthood between the ages of 18 to 66 weeks for changes in behaviors associated with anxiety, affect, sociability, aggression, motivation, and recognition memory. Additionally, mice were assessed for changes in glucocorticoid level and hippocampal mRNA expression in a subset of genes that display alterations in humans following exposure to stress (CRHR1, CRHR2, FKBP5, SLC6A4). RESULTS Mice exposed to early SIS showed disrupted memory and increased hippocampal expression of FKBP5, CRHR2 and SLC6A4 mRNA compared to non-stressed mice. Importantly, there was a significant association between increased FKBP5 and CRHR2 with reduced recognition memory. Additionally, mice exposed to SIS showed increased responding on a progressive ratio schedule of reinforcement, indicating that reduction in memory performance was not mediated by decreased effort. CONCLUSIONS Ecologically-relevant social stress in mice causes long-term decrements in recognition memory, possibly mediated by persistent changes in moderators of the stress cascade. Additionally, animals exposed to early life stress showed increased motivation for reward, which may contribute to a host of hedonic seeking behaviors throughout life. These data suggest that SIS can be used to evaluate therapeutic interventions to attenuate or reverse lasting effects of early life adversity.
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Affiliation(s)
- Robert E Featherstone
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Raymond L Gifford
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Lindsey M Crown
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Felix Amirfathi
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Jon P Alaniz
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Janice Yi
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - AiVi Tran
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Derrick Adomian
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Andrew Schwenk
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Olya Melnychenko
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Christina Duval
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Krishna Parekh
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America
| | - Darrin J Lee
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America; Department of Neurosurgery, Keck School of Medicine, University of Southern California, 1200 North State St., Suite 3300, Los Angeles, CA 90033, United States of America
| | - Steven J Siegel
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 2250 Alcazar Street, Los Angeles, CA 90033, United States of America.
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25
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Chin JSR, Phan TAN, Albert LT, Keene AC, Duboué ER. Long lasting anxiety following early life stress is dependent on glucocorticoid signaling in zebrafish. Sci Rep 2022; 12:12826. [PMID: 35896563 PMCID: PMC9329305 DOI: 10.1038/s41598-022-16257-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 07/07/2022] [Indexed: 01/06/2023] Open
Abstract
Chronic adversity in early childhood is associated with increased anxiety and a propensity for substance abuse later in adulthood, yet the effects of early life stress (ELS) on brain development remain poorly understood. The zebrafish, Danio rerio, is a powerful model for studying neurodevelopment and stress. Here, we describe a zebrafish model of ELS and identify a role for glucocorticoid signaling during a critical window in development that leads to long-term changes in brain function. Larval fish subjected to chronic stress in early development exhibited increased anxiety-like behavior and elevated glucocorticoid levels later in life. Increased stress-like behavior was only observed when fish were subjected to ELS within a precise time window in early development, revealing a temporal critical window of sensitivity. Moreover, enhanced anxiety-like behavior only emerges after two months post-ELS, revealing a developmentally specified delay in the effects of ELS. ELS leads to increased levels of baseline cortisol, and resulted in a dysregulation of cortisol receptors' mRNA expression, suggesting long-term effects on cortisol signaling. Together, these findings reveal a 'critical window' for ELS to affect developmental reprogramming of the glucocorticoid receptor pathway, resulting in chronic elevated stress.
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Affiliation(s)
- Jacqueline S R Chin
- Jupiter Life Science Initiative, Florida Atlantic University, 5353 Parkside Drive, Jupiter, FL, 33407, USA
| | - Tram-Anh N Phan
- Jupiter Life Science Initiative, Florida Atlantic University, 5353 Parkside Drive, Jupiter, FL, 33407, USA
| | - Lydia T Albert
- Jupiter Life Science Initiative, Florida Atlantic University, 5353 Parkside Drive, Jupiter, FL, 33407, USA
| | - Alex C Keene
- College of Arts and Sciences, Department of Biology, Texas A&M University, 3258 TAMU, College Station, TX, 77843, USA
| | - Erik R Duboué
- Jupiter Life Science Initiative, Florida Atlantic University, 5353 Parkside Drive, Jupiter, FL, 33407, USA.
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26
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Larivee R, Johnson N, Freedgood NR, Cameron HA, Schoenfeld TJ. Inhibition of Hippocampal Neurogenesis Starting in Adolescence Increases Anxiodepressive Behaviors Amid Stress. Front Behav Neurosci 2022; 16:940125. [PMID: 35864848 PMCID: PMC9294378 DOI: 10.3389/fnbeh.2022.940125] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 06/16/2022] [Indexed: 11/16/2022] Open
Abstract
Stressors during the adolescent period can affect development of the brain and have long-lasting impacts on behavior. Specifically, adolescent stress impairs hippocampal neurogenesis and can increase risk for anxiety, depression, and a dysregulated stress response in adulthood. In order to model the functional effects of reduced hippocampal neurogenesis during adolescence, a transgenic neurogenesis ablation rat model was used to suppress neurogenesis during the adolescent period and test anxiodepressive behaviors and stress physiology during adulthood. Wildtype and transgenic (TK) rats were given valganciclovir during the first two weeks of adolescence (4-6 weeks old) to knock down neurogenesis in TK rats. Starting in young adulthood (13 weeks old), blood was sampled for corticosterone at several time points following acute restraint stress to measure negative feedback of the stress response, and rats were tested on a battery of anxiodepressive tests at baseline and following acute restraint stress. Although TK rats had large reductions in both cell proliferation during adolescence, as measured by bromodeoxyuridine (BrdU), and ongoing neurogenesis in adulthood (by doublecortin), resulting in decreased volume of the dentate gyrus, negative feedback of the stress response following acute restraint was similar across all rats. Despite similar stress responses, TK rats showed higher anxiety-like behavior at baseline. In addition, only TK rats had increased depressive-like behavior when tested after acute stress. Together, these results suggest that long-term neurogenesis ablation starting in adolescence produces hippocampal atrophy and increases behavioral caution and despair amid stressful environments.
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Affiliation(s)
- Rachelle Larivee
- Department of Psychological Science and Neuroscience, Belmont University, Nashville, TN, United States
| | - Natalie Johnson
- Department of Psychological Science and Neuroscience, Belmont University, Nashville, TN, United States
| | - Natalie R. Freedgood
- Section on Neuroplasticity, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, United States
| | - Heather A. Cameron
- Section on Neuroplasticity, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, United States
| | - Timothy J. Schoenfeld
- Department of Psychological Science and Neuroscience, Belmont University, Nashville, TN, United States
- *Correspondence: Timothy J. Schoenfeld,
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27
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Effects of Early Weaning Associated with Alimentary Stress on Emotional and Feeding Behavior of Female Adult Wistar Rats. Behav Sci (Basel) 2022; 12:bs12060171. [PMID: 35735381 PMCID: PMC9220599 DOI: 10.3390/bs12060171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/03/2022] [Accepted: 02/09/2022] [Indexed: 02/01/2023] Open
Abstract
Maternal lactation proves crucial for mammals’ nutrition during their early development, influencing the development of adult physiological mechanisms. Its premature termination has been associated with several disorders, but these have been primarily documented in males, when they are most prevalent in women. Therefore, we subjected adult female Wistar rats to Early Weaning through maternal separation at age 15 days to acute alimentary stress in the form of visual and olfactory exposition to a cafeteria diet sans consumption for 22 days. We measured standard diet intake and water intake daily and cafeteria diet intake every 7 days. Additionally, we evaluated anxiety using the elevated plus maze and measured body weight in similar intervals. Results showed less consumption of the cafeteria diet among Early Weaning rats on day 2 and more time spent in the maze’s central area by the Early Weaning rats during the basal evaluation and in the maze’s open arms by control rats on day 7 when compared to the same group’s basal time. No other significant differences were found. These results show the importance of determining the impact that female steroidal gonadal hormones such as estradiol have upon feeding behavior and anxiety and determining to what degree these parameters are influenced by hormonal action.
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28
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Bakouni H, Ouimet MC, Desjardins S, Forget H, Vasiliadis HM. Childhood abuse/neglect and temporal patterns in late-life anxiety. Aging Ment Health 2022; 27:973-982. [PMID: 35612883 DOI: 10.1080/13607863.2022.2076204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
OBJECTIVES Anxiety has been associated with childhood abuse/neglect, but this relationship and its mechanisms are poorly documented in older adults. This study examined the association between childhood abuse/neglect and late-life anxiety temporal patterns (i.e. absence, remission, incidence, persistence), testing for mediators. METHODS Data were derived for 724 French-speaking community-living older adults participating in the Étude sur la santé des ainés - Services study with available information at baseline and 4-year follow-up. Past-month anxiety was based on a cutoff score ≥5 on a French translation of the 7-item Generalized Anxiety Disorder at interviews. Questions on childhood abuse/neglect (e.g. psycho-emotional, physical, sexual) were administered. Adjusted multinomial regression analyses and mediation bootstrapping models were used. Tested mediators included traumatic events (excluding childhood abuse/neglect), daily hassles, psychological resilience, and cortisol activity. RESULTS The absence, remission, incidence and persistence of anxiety was found in 45.3%, 25.3%, 8.7% and 20.7% of the sample, respectively. Participants with incident and persistent late-life anxiety experienced more childhood abuse/neglect. Participants with persistent anxiety also reported lower psychological resilience. The association between childhood abuse/neglect with anxiety incidence was mediated by daily hassles, while its association with anxiety persistence was mediated by daily hassles and psychological resilience. CONCLUSION Past childhood abuse/neglect was associated with late-life anxiety incidence and persistence, with psychological resilience and daily hassles potentially explaining this relationship. Further research should focus on ascertaining the clinical applications of psychosocial and biological profiles in informing the prevention and personalized treatment of anxiety in older adults.
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Affiliation(s)
- Hamzah Bakouni
- Faculté de Médecine et Des Sciences De La Santé, Université de Sherbrooke, Longueuil, Quebec, Canada.,Centre de recherche Charles-Le Moyne, Longueuil, Quebec, Canada
| | - Marie Claude Ouimet
- Faculté de Médecine et Des Sciences De La Santé, Université de Sherbrooke, Longueuil, Quebec, Canada.,Centre de recherche Charles-Le Moyne, Longueuil, Quebec, Canada
| | | | - Helen Forget
- Université du Québec en Outaouais, Gatineau, Canada
| | - Helen-Maria Vasiliadis
- Faculté de Médecine et Des Sciences De La Santé, Université de Sherbrooke, Longueuil, Quebec, Canada.,Centre de recherche Charles-Le Moyne, Longueuil, Quebec, Canada
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29
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Wang Q, Lu M, Zhu X, Gu X, Zhang T, Xia C, Yang L, Xu Y, Zhou M. Brain Mitochondrial Dysfunction: A Possible Mechanism Links Early Life Anxiety to Alzheimer’s Disease in Later Life. Aging Dis 2022; 13:1127-1145. [PMID: 35855329 PMCID: PMC9286915 DOI: 10.14336/ad.2022.0221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 02/21/2022] [Indexed: 11/01/2022] Open
Affiliation(s)
- Qixue Wang
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Mengna Lu
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Xinyu Zhu
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Xinyi Gu
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ting Zhang
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chenyi Xia
- Department of Physiology, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Li Yang
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ying Xu
- Department of Physiology, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Mingmei Zhou
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Correspondence should be addressed to: Dr. Mingmei Zhou, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China. E-mail:
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30
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de Souza JA, da Silva MC, de Souza Ferraz Junior JC, de Souza FL, de Souza SL. Maternal separation in the light or dark phase of the circadian cycle has different effects on the corticosterone levels and anxiety-like behavior in male adult rats. Physiol Behav 2022; 247:113725. [DOI: 10.1016/j.physbeh.2022.113725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/19/2022] [Accepted: 01/28/2022] [Indexed: 11/26/2022]
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Impacts of a perinatal exposure to manganese coupled with maternal stress in rats: Maternal somatic measures and the postnatal growth and development of rat offspring. Neurotoxicol Teratol 2021; 90:107061. [PMID: 34971732 DOI: 10.1016/j.ntt.2021.107061] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/13/2021] [Accepted: 12/23/2021] [Indexed: 12/18/2022]
Abstract
Psychological stress experienced by the mother during pregnancy has been associated with emotional and cognitive disorders in children such as depression and anxiety. Socioeconomically disadvantaged populations are vulnerable to adverse life experiences and can also be disproportionally exposed to environmental contaminants. To better understand the neurodevelopmental impacts of an environmental toxicant coupled with elevated psychological stress, we exposed pregnant rats to a series of perinatal stressors. Manganese (Mn), a neurotoxicant at excessive concentrations was delivered through drinking water (0, 2, or 4 mg/mL) from gestational day (GD) 7 to postnatal day (PND) 22. A variable stress paradigm was applied to half of the animals from GD13 to PND9. Measurements of somatic development and behavior were examined in the offspring at different developmental stages. No evidence of overt maternal toxicity was observed although the 4 mg/mL Mn-exposed dams gained less body weight during gestation compared to the other dams. Stress also reduced gestational maternal weight gain. Daily fluid consumption normalized for body weight was decreased in the Mn-exposed dams in a dose-dependent manner but was not altered by the stress paradigm. Maternal stress and/or Mn exposure did not affect litter size or viability, but pup weight was significantly reduced in the 4 mg/mL Mn-exposed groups on PNDs 9 through 34 when compared to the other offspring groups. The efficacy of the manipulations to increase maternal stress levels was determined using serum corticosterone as a biomarker. The baseline concentration was established prior to treatment (GD7) and levels were low and similar in all treatment groups. Corticosterone levels were elevated in the perinatal-stress groups compared to the no-stress groups, regardless of Mn exposure, on subsequent time points (GD16, PND9), but were only significantly different on GD16. An analysis of tissue concentrations revealed Mn was elevated similarly in the brain and blood of offspring at PND2 and at PND22 in a significant dose-dependent pattern. Dams also showed a dose-dependent increase in Mn concentrations in the brain and blood; the addition of stress increased the Mn concentrations in the maternal blood but not the brain. Perinatal stress did not alter the effects of Mn on the maternal or offspring somatic endpoints described here.
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Crespo-Sanmiguel I, Zapater-Fajarí M, Pulopulos MM, Hidalgo V, Salvador A. Loneliness Mediates the Relationship Between Early Life Stress and Perceived Stress but not Hypothalamic-Pituitary-Adrenal Axis Functioning. Front Psychol 2021; 12:647265. [PMID: 34539480 PMCID: PMC8446206 DOI: 10.3389/fpsyg.2021.647265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 07/23/2021] [Indexed: 11/13/2022] Open
Abstract
Many authors have proposed that early life stress (ELS) provokes a dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis and contributes negatively to the management of stress in adulthood. However, these associations have not always been observed, making it necessary to include new factors that could explain the different results found. In this regard, people with ELS experiences report less social support during adulthood, suggesting that loneliness could be a mediating factor. Thus, our aims were to investigate whether ELS was related to both perceived stress and diurnal HPA axis activity, and whether loneliness mediates these relationships, in a community sample (N=187, 18-55years old). Fourteen cortisol samples were collected on two non-consecutive days to obtain the overall diurnal cortisol, diurnal cortisol slope, and bedtime levels. Additionally, ELS was assessed with the Risky Families Questionnaire (RFQ) and the Recalled Childhood and Adolescence Perceived Stress (ReCAPS) measure. Results revealed that ELS was associated with perceived stress, but not HPA axis functioning, and loneliness mediated the relationship between ELS and perceived stress, but not between ELS and HPA axis functioning. Similar results were found for both ELS questionnaires, suggesting that the ReCAPS is an adequate tool. These results highlight the importance of loneliness in understanding the long-term effects of ELS, and they indicate different effects of ELS on subjective and physiological stress indicators.
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Affiliation(s)
- Isabel Crespo-Sanmiguel
- Laboratory of Social Cognitive Neuroscience, Psychobiology-IDOCAL, University of Valencia, Valencia, Spain
| | - Mariola Zapater-Fajarí
- Laboratory of Social Cognitive Neuroscience, Psychobiology-IDOCAL, University of Valencia, Valencia, Spain
| | - Matias M Pulopulos
- Department of Psychology and Sociology, Area of Psychobiology, IIS Aragón, University of Zaragoza, Teruel, Spain
| | - Vanesa Hidalgo
- Department of Psychology and Sociology, Area of Psychobiology, IIS Aragón, University of Zaragoza, Teruel, Spain
| | - Alicia Salvador
- Laboratory of Social Cognitive Neuroscience, Psychobiology-IDOCAL, University of Valencia, Valencia, Spain
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Fitzgerald E, Sinton MC, Wernig-Zorc S, Morton NM, Holmes MC, Boardman JP, Drake AJ. Altered hypothalamic DNA methylation and stress-induced hyperactivity following early life stress. Epigenetics Chromatin 2021; 14:31. [PMID: 34193254 PMCID: PMC8247254 DOI: 10.1186/s13072-021-00405-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 06/17/2021] [Indexed: 12/22/2022] Open
Abstract
Exposure to early life stress (ELS) during childhood or prenatally increases the risk of future psychiatric disorders. The effect of stress exposure during the neonatal period is less well understood. In preterm infants, exposure to invasive procedures is associated with altered brain development and future stress responses suggesting that the neonatal period could be a key time for the programming of mental health. Previous studies suggest that ELS affects the hypothalamic epigenome, making it a good candidate to mediate these effects. In this study, we used a mouse model of early life stress (modified maternal separation; MMS). We hypothesised MMS would affect the hypothalamic transcriptome and DNA methylome, and impact on adult behaviour. MMS involved repeated stimulation of pups for 1.5 h/day, whilst separated from their mother, from postnatal day (P) 4-6. 3'mRNA sequencing and DNA methylation immunoprecipitation (meDIP) sequencing were performed on hypothalamic tissue at P6. Behaviour was assessed with the elevated plus, open field mazes and in-cage monitoring at 3-4 months of age. MMS was only associated with subtle changes in gene expression, but there were widespread alterations in DNA methylation. Notably, differentially methylated regions were enriched for synapse-associated loci. MMS resulted in hyperactivity in the elevated plus and open field mazes, but in-cage monitoring revealed that this was not representative of habitual hyperactivity. ELS has marked effects on DNA methylation in the hypothalamus in early life and results in stress-specific hyperactivity in young adulthood. These results have implications for the understanding of ELS-mediated effects on brain development.
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Affiliation(s)
- Eamon Fitzgerald
- University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, The Queens Medical Research Institute, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK.
- The Douglas Research Center, 6875 Boulevard LaSalle, Montréal, QC, H4H 1R3, Canada.
| | - Matthew C Sinton
- University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, The Queens Medical Research Institute, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK
| | - Sara Wernig-Zorc
- Department of Biochemistry III, University of Regensburg, 93040, Regensburg, Germany
| | - Nicholas M Morton
- University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, The Queens Medical Research Institute, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK
| | - Megan C Holmes
- University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, The Queens Medical Research Institute, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK
| | - James P Boardman
- MRC Centre for Reproductive Health, University of Edinburgh, The Queens Medical Research Institute, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK
- Centre for Clinical Brain Sciences, University of Edinburgh, Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
| | - Amanda J Drake
- University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, The Queens Medical Research Institute, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK
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Petrie GN, Nastase AS, Aukema RJ, Hill MN. Endocannabinoids, cannabinoids and the regulation of anxiety. Neuropharmacology 2021; 195:108626. [PMID: 34116110 DOI: 10.1016/j.neuropharm.2021.108626] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 05/11/2021] [Accepted: 05/24/2021] [Indexed: 12/16/2022]
Abstract
Cannabis has been used for hundreds of years, with its ability to dampen feelings of anxiety often reported as a primary reason for use. Only recently has the specific role cannabinoids play in anxiety been thoroughly investigated. Here we discuss the body of evidence describing how endocannabinoids and exogenous cannabinoids are capable of regulating the generation and termination of anxiety states. Disruption of the endogenous cannabinoid (eCB) system following genetic manipulation, pharmacological intervention or stress exposure reliably leads to the generation of an anxiety state. On the other hand, upregulation of eCB signaling is capable of alleviating anxiety-like behaviors in multiple paradigms. When considering exogenous cannabinoid administration, cannabinoid receptor 1 (CB1) agonists have a biphasic, dose-dependent effect on anxiety such that low doses are anxiolytic while high doses are anxiogenic, a phenomenon that is evident in both rodent models and humans. Translational studies investigating a loss of function mutation in the gene for fatty acid amide hydrolase, the enzyme responsible for metabolizing AEA, have also shown that AEA signaling regulates anxiety in humans. Taken together, evidence reviewed here has outlined a convincing argument for cannabinoids being powerful regulators of both the manifestation and amelioration of anxiety symptoms, and highlights the therapeutic potential of targeting the eCB system for the development of novel classes of anxiolytics. This article is part of the special issue on 'Cannabinoids'.
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Affiliation(s)
- Gavin N Petrie
- Hotchkiss Brain Institute and the Mathison Centre for Mental Health Education and Research, Departments of Cell Biology and Anatomy & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Andrei S Nastase
- Hotchkiss Brain Institute and the Mathison Centre for Mental Health Education and Research, Departments of Cell Biology and Anatomy & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Robert J Aukema
- Hotchkiss Brain Institute and the Mathison Centre for Mental Health Education and Research, Departments of Cell Biology and Anatomy & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Matthew N Hill
- Hotchkiss Brain Institute and the Mathison Centre for Mental Health Education and Research, Departments of Cell Biology and Anatomy & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 1N4, Canada.
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Ririe DG, Eisenach JC, Martin TJ. A Painful Beginning: Early Life Surgery Produces Long-Term Behavioral Disruption in the Rat. Front Behav Neurosci 2021; 15:630889. [PMID: 34025368 PMCID: PMC8131510 DOI: 10.3389/fnbeh.2021.630889] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 03/29/2021] [Indexed: 11/13/2022] Open
Abstract
Early life surgery produces peripheral nociceptive activation, inflammation, and stress. Early life nociceptive input and inflammation have been shown to produce long-term processing changes that are not restricted to the dermatome of injury. Additionally stress has shown long-term effects on anxiety, depression, learning, and maladaptive behaviors including substance abuse disorder and we hypothesized that early life surgery would have long-term effects on theses complex behaviors in later life. In this study surgery in the rat hindpaw was performed to determine if there are long-term effects on anxiety, depression, audiovisual attention, and opioid reward behaviors. Male animals received paw incision surgery and anesthesia or anesthesia alone (sham) at postnatal day 6. At 10 weeks after surgery, open field center zone entries were decreased, a measure of anxiety (n = 20) (P = 0.03) (effect size, Cohen's d = 0.80). No difference was found in the tail suspension test as a measure of depression. At 16-20 weeks, attentional performance in an operant task was similar between groups at baseline and decreased with audiovisual distraction in both groups (P < 0.001) (effect size, η2 = 0.25), but distraction revealed a persistent impairment in performance in the surgery group (n = 8) (P = 0.04) (effect size, η2 = 0.13). Opioid reward was measured using heroin self-administration at 16-24 weeks. Heroin intake increased over time in both groups during 24-h free access (P < 0.001), but was greater in the surgery group (P = 0.045), with a significant interaction between time and treatment (P < 0.001) (effect size, Cohen f 2 = 0.36). These results demonstrate long-term disruptions in complex behaviors from surgical incision under anesthesia. Future studies to explore sex differences in early life surgery and the attendant peripheral neuronal input, stress, and inflammation will be valuable to understand emerging learning deficits, anxiety, attentional dysfunction, and opioid reward and their mechanisms. This will be valuable to develop optimal approaches to mitigate the long-term effects of surgery in early life.
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Affiliation(s)
- Douglas G Ririe
- Pain Mechanisms Lab, Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - James C Eisenach
- Pain Mechanisms Lab, Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Thomas J Martin
- Pain Mechanisms Lab, Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC, United States
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Tao CS, Ramakrishnan N, McPhee M, Lewandowska OP, Erb S. Anxiety mediates the relationship between childhood adversity and perceived current life stress in a diverse sample of emerging adults. INTERNATIONAL JOURNAL OF ADOLESCENCE AND YOUTH 2021. [DOI: 10.1080/02673843.2021.1910050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Cinthia S. Tao
- Department of Psychology, University of Toronto Scarborough, Toronto, Canada
| | - Nayani Ramakrishnan
- Department of Psychology, University of Toronto Scarborough, Toronto, Canada
| | - Matthew McPhee
- Department of Psychology, University of Toronto Scarborough, Toronto, Canada
- Department of Psychological Clinical Science, University of Toronto Scarborough, Toronto, Canada
| | | | - Suzanne Erb
- Department of Psychology, University of Toronto Scarborough, Toronto, Canada
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37
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Gonçalves de Andrade E, Šimončičová E, Carrier M, Vecchiarelli HA, Robert MÈ, Tremblay MÈ. Microglia Fighting for Neurological and Mental Health: On the Central Nervous System Frontline of COVID-19 Pandemic. Front Cell Neurosci 2021; 15:647378. [PMID: 33737867 PMCID: PMC7961561 DOI: 10.3389/fncel.2021.647378] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 01/15/2021] [Indexed: 12/15/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19) is marked by cardio-respiratory alterations, with increasing reports also indicating neurological and psychiatric symptoms in infected individuals. During COVID-19 pathology, the central nervous system (CNS) is possibly affected by direct severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) invasion, exaggerated systemic inflammatory responses, or hypoxia. Psychosocial stress imposed by the pandemic further affects the CNS of COVID-19 patients, but also the non-infected population, potentially contributing to the emergence or exacerbation of various neurological or mental health disorders. Microglia are central players of the CNS homeostasis maintenance and inflammatory response that exert their crucial functions in coordination with other CNS cells. During homeostatic challenges to the brain parenchyma, microglia modify their density, morphology, and molecular signature, resulting in the adjustment of their functions. In this review, we discuss how microglia may be involved in the neuroprotective and neurotoxic responses against CNS insults deriving from COVID-19. We examine how these responses may explain, at least partially, the neurological and psychiatric manifestations reported in COVID-19 patients and the general population. Furthermore, we consider how microglia might contribute to increased CNS vulnerability in certain groups, such as aged individuals and people with pre-existing conditions.
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Affiliation(s)
| | - Eva Šimončičová
- Division of Medical Science, University of Victoria, Victoria, BC, Canada
| | - Micaël Carrier
- Division of Medical Science, University of Victoria, Victoria, BC, Canada.,Axe Neurosciences, Centre de Recherche du CHU de Québec, Université de Laval, Québec City, QC, Canada
| | | | - Marie-Ève Robert
- Axe Neurosciences, Centre de Recherche du CHU de Québec, Université de Laval, Québec City, QC, Canada
| | - Marie-Ève Tremblay
- Division of Medical Science, University of Victoria, Victoria, BC, Canada.,Axe Neurosciences, Centre de Recherche du CHU de Québec, Université de Laval, Québec City, QC, Canada.,Neurology and Neurosurgery Department, McGill University, Montréal, QC, Canada.,Department of Molecular Medicine, Université de Laval, Québec City, QC, Canada.,Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
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38
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Castanho TC, Santos NC, Meleiro-Neves C, Neto S, Moura GR, Santos MA, Cruz AR, Cunha O, Castro Rodrigues A, Rodrigues AJ, Sousa N. Association of positive and negative life events with cognitive performance and psychological status in late life: A cross-sectional study in Northern Portugal. AGING BRAIN 2021; 1:100020. [PMID: 36911520 PMCID: PMC9997151 DOI: 10.1016/j.nbas.2021.100020] [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: 04/11/2021] [Revised: 07/27/2021] [Accepted: 08/02/2021] [Indexed: 11/30/2022] Open
Abstract
Objectives Life events have important effects on psychological well-being. Yet, studies have mainly focused on exploring the impact of traumatic and negative experiences on health and well-being, with positive events receiving marginal attention. In this study, we investigated the association between negative and positive life events, cognitive performance and psychological status in older individuals. Method A cross-sectional approach with a sample of 97 community-dwelling adults, recruited from a network of 23 centres/institutions in Northern Portugal, and aged between 56 and 85 years, was conducted. All participants were evaluated through a battery of tests assessing for depressive mood, perceived stress, and cognitive functioning. Life events were measured using the Lifetime Experiences Scale (LIFES) which covers 75 life experiences organized in eight domains. Results A total of 95.9% of the participants reported more positive life events than negative throughout life. Participants reporting more positive experiences had lower scores in the depressive mood and perceived stress measures. At the domain-level of LIFES scale, more negative experiences in the Work and Health domains were associated with a depressed mood and more perceived stress. Significant positive associations were found between positive life experiences and most cognitive measures, after controlling for sex, education, age and depressive symptoms. Namely, more positive experiences at School, Leisure, and Living conditions were positively associated with better performance across cognitive tests. Discussion This study adds important evidence on the association between of life events, both negative and positive experiences, on cognition and psychological well-being, providing a more balanced view of the field.
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Affiliation(s)
- T C Castanho
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho - Braga, Portugal.,Association P5 Digital Medical Centre (ACMP5), Braga, Portugal
| | - N C Santos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho - Braga, Portugal.,Association P5 Digital Medical Centre (ACMP5), Braga, Portugal
| | - C Meleiro-Neves
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho - Braga, Portugal
| | - S Neto
- Genome Medicine laboratory, Institute of Biomedicine - iBiMED, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - G R Moura
- Genome Medicine laboratory, Institute of Biomedicine - iBiMED, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - M A Santos
- Genome Medicine laboratory, Institute of Biomedicine - iBiMED, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - A R Cruz
- School of Psychology, University of Minho - Braga, Portugal.,Lusófona University HEI-Lab, Porto, Portugal
| | - O Cunha
- School of Psychology, University of Minho - Braga, Portugal.,Lusófona University HEI-Lab, Porto, Portugal
| | - A Castro Rodrigues
- School of Psychology, University of Minho - Braga, Portugal.,ISPA, William James Center for Research, Lisboa, Portugal
| | - A J Rodrigues
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho - Braga, Portugal.,Clinical Academic Center - Braga (2CA-B), Braga, Portugal
| | - N Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho - Braga, Portugal.,Association P5 Digital Medical Centre (ACMP5), Braga, Portugal.,Clinical Academic Center - Braga (2CA-B), Braga, Portugal
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Bordoni L, Petracci I, Calleja-Agius J, Lalor JG, Gabbianelli R. NURR1 Alterations in Perinatal Stress: A First Step towards Late-Onset Diseases? A Narrative Review. Biomedicines 2020; 8:E584. [PMID: 33302583 PMCID: PMC7764589 DOI: 10.3390/biomedicines8120584] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/04/2020] [Accepted: 12/07/2020] [Indexed: 12/12/2022] Open
Abstract
Perinatal life represents a delicate phase of development where stimuli of all sorts, coming to or from the mother, can influence the programming of the future baby's health. These stimuli may have consequences that persist throughout adulthood. Nuclear receptor related 1 protein (NURR1), a transcription factor with a critical role in the development of the dopaminergic neurons in the midbrain, mediates the response to stressful environmental stimuli in the perinatal period. During pregnancy, low-grade inflammation triggered by maternal obesity, hyperinsulinemia or vaginal infections alters NURR1 expression in human gestational tissues. A similar scenario is triggered by exposure to neurotoxic compounds, which are associated with NURR1 epigenetic deregulation in the offspring, with potential intergenerational effects. Since these alterations have been associated with an increased risk of developing late-onset diseases in children, NURR1, alone, or in combination with other molecular markers, has been proposed as a new prognostic tool and a potential therapeutic target for several pathological conditions. This narrative review describes perinatal stress associated with NURR1 gene deregulation, which is proposed here as a mediator of late-onset consequences of early life events.
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Affiliation(s)
- Laura Bordoni
- Unit of Molecular Biology and Nutrigenomics, School of Pharmacy, University of Camerino, 62032 Camerino, Italy;
| | - Irene Petracci
- School of Advanced Studies, University of Camerino, 62032 Camerino, Italy;
| | - Jean Calleja-Agius
- Department of Anatomy, Faculty of Medicine and Surgery, University of Malta, MSD2080 Msida, Malta;
| | - Joan G. Lalor
- School of Nursing and Midwifery, Trinity College Dublin, 24 D’Olier Street, Dublin 2, Ireland;
| | - Rosita Gabbianelli
- Unit of Molecular Biology and Nutrigenomics, School of Pharmacy, University of Camerino, 62032 Camerino, Italy;
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A Qualitative Study of a Mindfulness-Based Intervention in Educational Contexts in Chile: An Approach Based on Adolescents' Voices. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17186927. [PMID: 32971936 PMCID: PMC7558476 DOI: 10.3390/ijerph17186927] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/11/2020] [Accepted: 09/18/2020] [Indexed: 11/17/2022]
Abstract
The application of mindfulness-based interventions in school settings has increased considerably in recent years, showing that differences between the characteristics of programmes can impact on the receptivity and effectiveness of mindfulness training. However, few studies have explored the learning process from the perspective of the children and adolescents who participate in mindfulness practice. The goal of this paper is to analyse the subjective experience of a group of adolescents following the completion of a mindfulness-based intervention developed for schools in Chile. The intervention studied is the “.b curriculum”, which is part of the Mindfulness in School Project (MiSP) developed in the UK. Twenty adolescents participated in semi-structured interviews within their school, in which three key areas were explored: pedagogy, perceived effects, and mechanisms of action, each of them being analysed from the perspective of thematic analysis. The results support the view that pedagogy is a very relevant consideration in the implementation, development, and efficacy of mindfulness-based interventions within the school context. We propose that the inclusion of structure, contents, process/mindful practices, and teachers’ expertise provides the pedagogical-relational framework required for students to successfully develop mindfulness skills, which enables them to experience their cognitive, emotional, and somatic effects. These effects are linked to self-regulation strategies, based on paying attention to one’s somatic experience with kindness and curiosity, which works as an attentional anchor. It is hoped that these results will contribute to the spread of mindfulness research in adolescents in Latin America, thus facilitating cross-cultural and international comparisons.
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Al-Chami A, Ross A, Hayley S, Sun H. Early life stress facilitates synapse premature unsilencing to enhance AMPA receptor function in the developing hippocampus. J Neurophysiol 2020; 124:815-821. [PMID: 32783592 DOI: 10.1152/jn.00339.2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Chronic early life stress (ELS) increases vulnerability to psychopathologies and cognitive deficits in adulthood by disrupting the function of related neural circuits. However, whether this disruption emerges early in the developing brain remains largely unexplored. In the current study, using an established limited-bedding and nesting model of ELS in postnatal day (P)2-10 mice, we provide direct evidence that ELS caused early modification of hippocampal glutamatergic synapses in the developing brain. We demonstrated that ELS induced rapid enhancement of AMPA receptor function in hippocampal CA1 pyramidal neurons through a postsynaptic mechanism, and importantly, this was associated with premature unsilencing of NMDA receptor-only silent hippocampal synapses. These results suggest that potentiation of AMPAR function may represent an early mediator of ELS-induced alterations of neural networks in the developing brain and may potentially contribute to subsequent cognitive impairments later in life.NEW & NOTEWORTHY Early life stress (ELS) is known to increase the risk of later life cognitive deficits by disrupting neural circuit function. However, whether this disruption emerges early in the developing brain remains largely unexplored. The current study presents direct evidence that ELS prematurely unsilences hippocampal synapses to enhance AMPA receptor functions in a limited-bedding and nesting model, revealing an early mediator of ELS-induced neural circuit reorganizations.
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Affiliation(s)
- Aycheh Al-Chami
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
| | - Alysia Ross
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
| | - Shawn Hayley
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
| | - Hongyu Sun
- Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
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Hayward LE, Vartanian LR, Kwok C, Newby JM. How might childhood adversity predict adult psychological distress? Applying the Identity Disruption Model to understanding depression and anxiety disorders. J Affect Disord 2020; 265:112-119. [PMID: 32090732 DOI: 10.1016/j.jad.2020.01.036] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 11/29/2019] [Accepted: 01/11/2020] [Indexed: 10/25/2022]
Abstract
BACKGROUND Experiencing adversity in childhood is associated with increased risk of a range of psychopathologies, including depression and anxiety disorders. However, there is limited understanding of psychological mechanisms that may help to explain these relationships. The Identity Disruption Model proposes that early adversity can disrupt typical identity development, which may then increase one's vulnerability to psychopathology. The present study aims to apply the Identity Disruption Model to understanding symptoms of depression, generalized anxiety disorder, obsessive-compulsive disorder (OCD), and social anxiety. METHODS A non-clinical sample of adults from the United States (n = 382) completed an online survey assessing early adversity, self-concept clarity, intolerance of uncertainty, and depression, generalized anxiety, OCD, and social anxiety symptoms. Structural equation models: (1) tested whether early adversity predicts psychopathology via a disrupted sense of self, and (2) explored the role of intolerance of uncertainty in the relationship between early adversity and psychopathology. RESULTS Early adversity predicted more severe symptoms of depression and anxiety via lower self-concept clarity. Furthermore, a parallel mediation model showed that self-concept clarity and intolerance of uncertainty simultaneously mediated the relationship between early adversity and psychopathology. LIMITATIONS The data are cross-sectional in nature and longitudinal research is needed to more conclusively test the causal pathways. CONCLUSIONS Disrupted identity may be one mechanism through which childhood adversity predicts depression and anxiety disorder symptoms later in life. The Identity Disruption Model provides new avenues for future research and suggests potential points of early intervention for the prevention of depression and anxiety disorders.
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Juruena MF, Eror F, Cleare AJ, Young AH. The Role of Early Life Stress in HPA Axis and Anxiety. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020. [DOI: org.ezproxy.mnsu.edu/10.1007/978-981-32-9705-0_9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
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Juruena MF, Eror F, Cleare AJ, Young AH. The Role of Early Life Stress in HPA Axis and Anxiety. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1191:141-153. [PMID: 32002927 DOI: 10.1007/978-981-32-9705-0_9] [Citation(s) in RCA: 151] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Substantial evidence from various studies suggests a preeminent role for early adverse experiences in the development of psychopathology. The most recent studies reviewed here suggest that early life stressors are associated with an increased risk for anxiety disorders in adulthood. Early life stress predisposes individuals to develop a number of psychiatric syndromes, particularly affective disorders, including anxiety disorders, and is therefore a significant health problem.This review examines the emerging literature on the relationship between stress, hypothalamic-pituitary-adrenal (HPA) axis function, and generalized anxiety disorder (GAD), panic disorder, and phobias and the role of early life stress as an important risk factor for HPA axis dysfunction.The most consistent findings in the literature show increased activity of the HPA axis in depression associated with hypercortisolemia and reduced inhibitory feedback. In addition to melancholic depression, a spectrum of other conditions may be associated with increased and prolonged activation of the HPA axis, including panic, GAD, phobias and anxiety. Moreover, HPA axis changes appear to be state-dependent, tending to improve upon resolution of the anxiety syndrome. Interestingly, persistent HPA hyperactivity has been associated with higher rates of relapse. These studies suggest that an evaluation of the HPA axis during treatment may help identify patients who are at a higher risk for relapse. These findings suggest that this dysfunction of the HPA axis is partially attributable to an imbalance between glucocorticoid and mineralocorticoid receptors. Evidence has consistently demonstrated that glucocorticoid receptor function is impaired in anxiety disorders. Moreover, normal basal cortisol levels and hyper-responsiveness of the adrenal cortex during a psychosocial stressor are observed in social phobics. Finally, abnormal HPA axis activity has also been observed in generalized anxiety disordered patients. Early stressful life events may provoke alterations of the stress response and thus of the HPA axis that can endure during adulthood, predisposing individuals to develop psychopathology.
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Affiliation(s)
- Mario F Juruena
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience-King's College London, London, UK.
| | - Filip Eror
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience-King's College London, London, UK
| | - Anthony J Cleare
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience-King's College London, London, UK
| | - Allan H Young
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience-King's College London, London, UK
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Moradi-Kor N, Dadkhah M, Ghanbari A, Rashidipour H, Bandegi AR, Barati M, Kokhaei P, Rashidy-Pour A. Protective Effects of Spirulina platensis, Voluntary Exercise and Environmental Interventions Against Adolescent Stress-Induced Anxiety and Depressive-Like Symptoms, Oxidative Stress and Alterations of BDNF and 5HT-3 Receptors of the Prefrontal Cortex in Female Rats. Neuropsychiatr Dis Treat 2020; 16:1777-1794. [PMID: 32801713 PMCID: PMC7387863 DOI: 10.2147/ndt.s247599] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 07/13/2020] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND PURPOSE Ample evidence indicates that chronic adolescence stress is associated with an increased risk of developing neuropsychiatric disorders in adulthood. Given the importance of the effective therapeutic ways to overcome adolescent stress-related deficits, the present study investigated the effects of Spirulina platensis (SP), environmental enrichment (EE), and voluntary exercise (EX) and their combination on anxiety or depression-like behaviors, oxidative stress, and alterations of BDNF and 5HT-3 receptors in the prefrontal cortex (PFC) induced by adolescent stress in adult female rats. METHODS During the adolescent period (PNDs30-40), rats were subjected to restraint stress. Then, the animals were subjected to SP treatment (200 mg/kg/day), EX, EE, and the combined treatments (SP+EX, and SP+EE) for 15 days between PNDs41-55. Subsequently, anxiety or depression-like behaviors, BDNF levels, oxidative stress markers and mRNA expression of BDNF and 5HT3 in the PFC were assessed. RESULTS Stressed rats demonstrated enhanced anxiety levels and depression-like behaviors in adulthood. Regarding the oxidative stress markers, stressed rats exhibited significantly higher levels of malondialdehyde, a lipid peroxidation product, higher activities of antioxidant enzymes (glutathione peroxidase and superoxide dismutase) and significantly lower total antioxidant reactivity capacity in the PFC. Additionally, adolescent stress significantly increased 5HT3 receptor mRNA expression and decreased BDNF content and its mRNA expression in the PFC. Treatments with SP, EX, EE, and the combined interventions alleviated these deficits. CONCLUSION Our findings indicate that appropriate interventions during the adolescent period can protect against adolescent stress-induced behavioral, and biochemical defects and oxidative stress damage in adulthood.
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Affiliation(s)
- Nasroallah Moradi-Kor
- Student Research Committee, Semnan University of Medical Sciences, Semnan, Iran.,Research Center of Physiology, Semnan University of Medical Sciences, Semnan, Iran
| | - Masoomeh Dadkhah
- Pharmaceutical Sciences Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Ali Ghanbari
- Research Center of Physiology, Semnan University of Medical Sciences, Semnan, Iran
| | - Hadi Rashidipour
- School of Veterinary Medicine, Islamic Azad University, Garmsar, Iran
| | - Ahmad Reza Bandegi
- Laboratory of Endocrine Research, Research Center of Physiology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Mehdi Barati
- Department of Immunology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Parviz Kokhaei
- Cancer Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - Ali Rashidy-Pour
- Research Center of Physiology, Semnan University of Medical Sciences, Semnan, Iran.,Department of Physiology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
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