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Zonca V, Marizzoni M, Saleri S, Zajkowska Z, Manfro PH, Souza L, Viduani A, Sforzini L, Swartz JR, Fisher HL, Kohrt BA, Kieling C, Riva MA, Cattaneo A, Mondelli V. Inflammation and immune system pathways as biological signatures of adolescent depression-the IDEA-RiSCo study. Transl Psychiatry 2024; 14:230. [PMID: 38824135 PMCID: PMC11144232 DOI: 10.1038/s41398-024-02959-z] [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: 06/05/2023] [Revised: 05/16/2024] [Accepted: 05/21/2024] [Indexed: 06/03/2024] Open
Abstract
The biological mechanisms underlying the onset of major depressive disorder (MDD) have predominantly been studied in adult populations from high-income countries, despite the onset of depression typically occurring in adolescence and the majority of the world's adolescents living in low- and middle-income countries (LMIC). Taking advantage of a unique adolescent sample in an LMIC (Brazil), this study aimed to identify biological pathways characterizing the presence and increased risk of depression in adolescence, and sex-specific differences in such biological signatures. We collected blood samples from a risk-stratified cohort of 150 Brazilian adolescents (aged 14-16 years old) comprising 50 adolescents with MDD, 50 adolescents at high risk of developing MDD but without current MDD, and 50 adolescents at low risk of developing MDD and without MDD (25 females and 25 males in each group). We conducted RNA-Seq and pathway analysis on whole blood. Inflammatory-related biological pathways, such as role of hypercytokinemia/hyperchemokinemia in the pathogenesis of influenza (z-score = 3.464, p < 0.001), interferon signaling (z-score = 2.464, p < 0.001), interferon alpha/beta signaling (z-score = 3.873, p < 0.001), and complement signaling (z-score = 2, p = 0.002) were upregulated in adolescents with MDD compared with adolescents without MDD independently from their level of risk. The up-regulation of such inflammation-related pathways was observed in females but not in males. Inflammatory-related pathways involved in the production of cytokines and in interferon and complement signaling were identified as key indicators of adolescent depression, and this effect was present only in females.
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Affiliation(s)
- Valentina Zonca
- King's College London, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, London, UK.
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy.
| | - Moira Marizzoni
- Biological Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Via Pilastroni, 4, 25125, Brescia, Italy
| | - Samantha Saleri
- Biological Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Via Pilastroni, 4, 25125, Brescia, Italy
| | - Zuzanna Zajkowska
- King's College London, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, London, UK
| | - Pedro H Manfro
- Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Child & Adolescent Psychiatry Division, Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350-400N, Porto Alegre, RS, 90035-903, Brazil
| | - Laila Souza
- Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Child & Adolescent Psychiatry Division, Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350-400N, Porto Alegre, RS, 90035-903, Brazil
| | - Anna Viduani
- Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Child & Adolescent Psychiatry Division, Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350-400N, Porto Alegre, RS, 90035-903, Brazil
| | - Luca Sforzini
- King's College London, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, London, UK
- National Institute for Health and Care Research (NIHR) Maudsley Biomedical Research Centre, South London and Maudsley NHS Foundation Trust, King's College London, London, UK
| | - Johnna R Swartz
- Department of Human Ecology, University of California, Davis, Davis, CA, 95616, USA
| | - Helen L Fisher
- King's College London, Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, London, UK
- ESRC Centre for Society and Mental Health, King's College London, London, UK
| | - Brandon A Kohrt
- Center for Global Mental Health Equity, Department of Psychiatry and Behavioral Health, School of Medicine and Health Sciences, The George Washington University, 2120 L St NW, Ste 600, Washington, DC, 20037D, USA
| | - Christian Kieling
- Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Child & Adolescent Psychiatry Division, Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350-400N, Porto Alegre, RS, 90035-903, Brazil
| | - Marco Andrea Riva
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
- Biological Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Via Pilastroni, 4, 25125, Brescia, Italy
| | - Annamaria Cattaneo
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
- Biological Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Via Pilastroni, 4, 25125, Brescia, Italy
| | - Valeria Mondelli
- King's College London, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, London, UK
- National Institute for Health and Care Research (NIHR) Maudsley Biomedical Research Centre, South London and Maudsley NHS Foundation Trust, King's College London, London, UK
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Maayan L, Maayan M. Inflammatory mediation of the relationship between early adversity and major depressive disorder: A systematic review. J Psychiatr Res 2024; 169:364-377. [PMID: 38154266 DOI: 10.1016/j.jpsychires.2023.11.025] [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: 05/03/2023] [Revised: 08/30/2023] [Accepted: 11/15/2023] [Indexed: 12/30/2023]
Abstract
Early adverse experience is related to psychiatric illness that occurs decades later. The mechanisms underlying this phenomenon have not been fully identified. There is a translational and clinical literature linking early adversity with Major Depressive Disorder (MDD) and inflammation. We reviewed articles that examine whether inflammation mediates this relationship. METHODS Literature review of PUB MED, CINAHL and APA Psycinfo articles that explicitly examine inflammation as a mediator between early adversity and depression using ((((((((((adversity) OR (trauma)) OR (maltreatment)) OR (child abuse)) AND (inflammation)) OR (inflammatory cytokines)) OR (crp)) OR (il-6)) OR (tnf)) AND (mediates)) AND (depression))))))))) as key words. RESULTS 2842 articles were initially identified. 1338 non-human studies were excluded and 512 more were filtered out as reviews. The remaining 992 titles and, when necessary, abstracts and manuscripts were reviewed and 956 were removed as being of other non-related phenomena. Four additional studies were added by hand searching the references of remaining studies. Out of these 40, 15 explicitly examined inflammation as a mediator of the relationship between early adversity and later depression. Approximately half (8/15) showed evidence that inflammation mediated the relationship between early adversity and depression. Sensitivity analyses showed that studies taking place in clinical populations, in youth and those that used the Adverse Childhood Events Scale to measure adversity, and IL-6 and TNF-α (as opposed to CRP) to measure inflammation were most likely to show mediation. CONCLUSIONS There is evidence to support the model of inflammation mediating the relationship between early adversity and depression. Certain measures in clinical populations appear more likely to support this model. Further study with more standardized, robust methods will help to answer this question more definitively and may elucidate a subtype of depression related to early adversity by alterations in immune function.
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Affiliation(s)
- Lawrence Maayan
- New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY, 10032, USA.
| | - Michal Maayan
- Skidmore College, 815 N. Broadway, Saratoga Springs, NY, 12866, USA
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Goh XX, Tang PY, Tee SF. Meta-analysis of soluble tumour necrosis factor receptors in severe mental illnesses. J Psychiatr Res 2023; 165:180-190. [PMID: 37515950 DOI: 10.1016/j.jpsychires.2023.07.014] [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: 02/26/2023] [Revised: 05/24/2023] [Accepted: 07/10/2023] [Indexed: 07/31/2023]
Abstract
Tumour necrosis factor (TNF), as an innate immune defense molecule, functions through binding to TNF receptor 1 (TNFR1) or TNF receptor 2 (TNFR2). Peripheral levels of soluble TNFR1 (sTNFR1) and soluble TNFR2 (sTNFR2) were widely measured in severe mental illnesses (SMIs) including schizophrenia (SCZ), bipolar disorder (BD) and major depressive disorder (MDD) but inconsistencies existed. Hence, the present meta-analysis was conducted to identify the overall association between plasma/serum sTNFR1 and sTNFR2 levels and SMIs. Published studies were searched using Pubmed and Scopus. Data were analysed using Comprehensive Meta-Analysis version 2. Hedges's g effect sizes and 95% confidence intervals were pooled using fixed-effect or random-effects models. Heterogeneity, publication bias and study quality were assessed. Sensitivity analysis and subgroup analysis were performed. Our findings revealed that sTNFR1 level was significantly higher in SMI, particularly in BD. The sTNFR2 level significantly elevated in SMI but with smaller effect size. These findings further support the association between altered immune system and inflammatory abnormalities in SMI, especially in patients with BD. Subgroup analysis showed that younger age of onset, longer illness duration and psychotropic medication raised both sTNFR levels, especially sTNFR1, as these factors may contribute to the activation of inflammation. Future studies were suggested to identify the causality between TNFR pathway and SCZ, BD and MDD respectively using homogenous group of each SMI, and to determine the longitudinal effect of each psychotropic medication on TNFR pathway.
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Affiliation(s)
- Xue Xin Goh
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, Cheras, 43000, Kajang, Malaysia
| | - Pek Yee Tang
- Department of Mechatronics and Biomedical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, Cheras, 43000, Kajang, Malaysia
| | - Shiau Foon Tee
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, Cheras, 43000, Kajang, Malaysia.
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Méndez Leal AS, Silvers JA, Carroll JE, Cole SW, Ross KM, Ramey SL, Shalowitz MU, Dunkel Schetter C. Maternal early life stress is associated with pro-inflammatory processes during pregnancy. Brain Behav Immun 2023; 109:285-291. [PMID: 36280180 PMCID: PMC10035632 DOI: 10.1016/j.bbi.2022.10.012] [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] [Received: 02/21/2022] [Revised: 10/12/2022] [Accepted: 10/15/2022] [Indexed: 11/07/2022] Open
Abstract
Early life stress (ELS) is common in the United States and worldwide, and contributes to the development of psychopathology in individuals with these experiences and their offspring. A growing body of research suggests that early life stress may contribute to adverse health partly through modulation of immune (and particularly inflammatory) responses. Therefore, increased maternal prenatal inflammation has been proposed as a mechanistic pathway by which the observed cross-generational effects of parental early life stress on child neuropsychiatric outcomes may be exerted. We examined associations between early life stress and molecular markers of inflammation (specifically pro-inflammatory gene expression and receptor-mediated transcription factor activity) and a commonly studied circulating marker of inflammation (C-Reactive Protein) in a diverse group of women in or near their third trimester of pregnancy, covarying for age, race/ethnicity, BMI, concurrent infection, concurrent perceived stress, and per capita household income. Mothers who experienced higher levels of early life stress had significantly increased pro-inflammatory (NF-κB) and decreased anti-viral (IRF) transcription factor activity. Transcripts that were up or down regulated in mothers with high ELS were preferentially derived from both CD16+ and CD16- monocytes. Early life stress was not associated with elevated CRP. Taken together, these findings provide preliminary evidence for an association between ELS and a pro-inflammatory transcriptional phenotype during pregnancy that may serve as a mechanistic pathway for cross-generational transmission of the effects of early life stress on mental and physical health.
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Affiliation(s)
| | - Jennifer A Silvers
- Department of Psychology, University of California, Los Angeles, CA, USA
| | - Judith E Carroll
- Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA, USA; Cousins Center for Psychoneuroimmunology, University of California, Los Angeles, CA, USA; Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA, USA; David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Steve W Cole
- Cousins Center for Psychoneuroimmunology, University of California, Los Angeles, CA, USA; Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA, USA; David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Kharah M Ross
- Centre for Social Sciences, Athabasca University, Athabasca, AB, Canada
| | - Sharon L Ramey
- Fralin Biomedical Research Institute, Virginia Tech, Roanoke, VA
| | - Madeleine U Shalowitz
- Department of Pediatrics, NorthShore University HealthSystem Research Institute, Evanston, IL, USA; Department of Psychiatry and Behavioral Sciences, Rush University Medical Center, Chicago, IL; Department of Pediatrics, Rush University Medical Center, Chicago, IL
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Zwolińska W, Dmitrzak-Węglarz M, Słopień A. Biomarkers in Child and Adolescent Depression. Child Psychiatry Hum Dev 2023; 54:266-281. [PMID: 34590201 PMCID: PMC9867683 DOI: 10.1007/s10578-021-01246-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/07/2021] [Indexed: 02/07/2023]
Abstract
Despite the significant prevalence of Major Depressive Disorder in the pediatric population, the pathophysiology of this condition remains unclear, and the treatment outcomes poor. Investigating tools that might aid in diagnosing and treating early-onset depression seems essential in improving the prognosis of the future disease course. Recent studies have focused on searching for biomarkers that constitute biochemical indicators of MDD susceptibility, diagnosis, or treatment outcome. In comparison to increasing evidence of possible biomarkers in adult depression, the studies investigating this subject in the youth population are lacking. This narrative review aims to summarize research on molecular and biochemical biomarkers in child and adolescent depression in order to advocate future directions in the research on this subject. More studies on depression involving the youth population seem vital to comprehend the natural course of the disease and identify features that may underlie commonly observed differences in treatment outcomes between adults and children.
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Affiliation(s)
- Weronika Zwolińska
- Department of Child and Adolescent Psychiatry, Poznan University of Medical Sciences, Szpitalna St. 27/33, 60-572, Poznan, Poland.
| | - Monika Dmitrzak-Węglarz
- grid.22254.330000 0001 2205 0971Department of Psychiatric Genetics, Medical Biology Center, Poznan University of Medical Sciences, Rokietnicka St. 8, 60-806 Poznan, Poland
| | - Agnieszka Słopień
- grid.22254.330000 0001 2205 0971Department of Child and Adolescent Psychiatry, Poznan University of Medical Sciences, Szpitalna St. 27/33, 60-572 Poznan, Poland
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6
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Li Y, Jinxiang T, Shu Y, Yadong P, Ying L, Meng Y, Ping Z, Xiao H, Yixiao F. Childhood trauma and the plasma levels of IL-6, TNF-α are risk factors for major depressive disorder and schizophrenia in adolescents: A cross-sectional and case-control study. J Affect Disord 2022; 305:227-232. [PMID: 35151670 DOI: 10.1016/j.jad.2022.02.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 01/07/2022] [Accepted: 02/09/2022] [Indexed: 12/16/2022]
Abstract
BACKGROUND It has been reported that childhood trauma and inflammation are associated with major depressive disorder (MDD) and schizophrenia (SZ), but previous researches were almost aimed at adults. The aim of the present research is to observe the alteration of peripheral interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in adolescents (12-20 years) with MDD and SZ, to investigate the impact of childhood abuse in early-onset MDD and SZ, and to furtherly explore the correlation between childhood maltreatment and plasma IL-6, TNF-α levels. SUBJECTS AND METHODS Enzyme-linked immunosorbent assay (ELISA) is applied to obtain the plasma concentrations of IL-6 and TNF-α in 55 patients with MDD, 51 patients with SZ and 47 healthy minors. The short form of the Childhood Trauma Questionnaire (CTQ-SF) is used to assess the severity of early trauma. RESULTS Plasma IL-6 and TNF-α levels are significantly elevated in patients with early-onset MDD and SZ compared with healthy subjects (p <0.01), whose results display that the correlation between IL-6 and TNF-α is significantly positive (γ=0.787, p <0.01) in all participants. Compared with the healthy adolescents, patients with MDD and SZ show more serious childhood trauma, and the plasma IL-6, TNF-α concentrations are closely related to childhood maltreatment. CONCLUSIONS Early trauma and peripheral inflammatory response play an important role in the pathophysiology of early-onset MDD or SZ. The current findings provide effective targets for the prevention, diagnosis, and treatment of major depressive disorder and schizophrenia in adolescents.
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Affiliation(s)
- Yi Li
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Tang Jinxiang
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Sleep and Psychology Center, Bishan Hospital of Chongqing, Chongqing 402760, China
| | - Yang Shu
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Peng Yadong
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Psychology, Chongqing Health Center for Women and Children, Chongqing 401147, China
| | - Liu Ying
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Psychology, Chongqing Health Center for Women and Children, Chongqing 401147, China
| | - Yuan Meng
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Zhang Ping
- Department of English, Sichuan International Study University, Chongqing 400000, China
| | - Hou Xiao
- Department of Clinical Medicine, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China.
| | - Fu Yixiao
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
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Ceolin G, Breda V, Koning E, Meyyappan AC, Gomes FA, Moreira JD, Gerchman F, Brietzke E. A Possible Antidepressive Effect of Dietary Interventions: Emergent Findings and Research Challenges. CURRENT TREATMENT OPTIONS IN PSYCHIATRY 2022; 9:151-162. [PMID: 35496470 PMCID: PMC9034261 DOI: 10.1007/s40501-022-00259-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Accepted: 04/01/2022] [Indexed: 02/07/2023]
Abstract
Purpose Despite recent advancements in the treatment of depression, the prevalence of affected individuals continues to grow. The development of new strategies has been required and emerging evidence has linked a possible antidepressant effect with dietary interventions. In this review, we discuss recent findings about the possible antidepressant effect of dietary interventions with an emphasis on the results of randomized controlled trials. Recent findings A high consumption of refined sugars and saturated fat and a low dietary content of fruits and vegetables has been associated with the development of depression. There is evidence supporting a small to moderate beneficial effect of a Mediterranean-type diet in depression. In addition, new dietary protocols are being studied for their use as possible interventions, such as the ketogenic diet, Nordic diet, and plant-based diet. Summary Lifestyle interventions surrounding diet and nutrition are a relatively affordable way to enhance response to treatment and to be employed as an adjunct in mental health care. Most studies, however, are limited by the difficulty in controlling for the placebo effect. Mediterranean-style diets seem to be the most promising as an adjunctive treatment for mood disorders. Larger randomized controlled trials that could assess predictors of response to dietary interventions are needed to establish a clear positive effect of diet and guide clinical care and nutritional recommendations concerning mental health care.
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Affiliation(s)
- Gilciane Ceolin
- Centre for Neuroscience Studies (CNS), Queen's University, Kingston, 752 King Street West, Kingston, ON K7L 7X3 Canada.,Postgraduate Program in Nutrition, Universidade Federal de Santa Catarina, Florianópolis, SC Brazil
| | - Vitor Breda
- Centre for Neuroscience Studies (CNS), Queen's University, Kingston, 752 King Street West, Kingston, ON K7L 7X3 Canada.,Department of Psychiatry, Queen's University School of Medicine, Kingston, ON Canada
| | - Elena Koning
- Centre for Neuroscience Studies (CNS), Queen's University, Kingston, 752 King Street West, Kingston, ON K7L 7X3 Canada
| | - Arun Chinna Meyyappan
- Centre for Neuroscience Studies (CNS), Queen's University, Kingston, 752 King Street West, Kingston, ON K7L 7X3 Canada
| | - Fabiano A Gomes
- Centre for Neuroscience Studies (CNS), Queen's University, Kingston, 752 King Street West, Kingston, ON K7L 7X3 Canada.,Department of Psychiatry, Queen's University School of Medicine, Kingston, ON Canada
| | - Júlia Dubois Moreira
- Department of Nutrition, Universidade Federal de Santa Catarina (UFSC), Florianópolis, SC Brazil
| | - Fernando Gerchman
- Endocrinology and Metabolism, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS Brazil.,Postgraduate Program in Medical Sciences: Endocrinology, Department of Internal Medicine, Faculty of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS Brazil
| | - Elisa Brietzke
- Centre for Neuroscience Studies (CNS), Queen's University, Kingston, 752 King Street West, Kingston, ON K7L 7X3 Canada.,Department of Psychiatry, Queen's University School of Medicine, Kingston, ON Canada
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Gene expression studies in Depression development and treatment: an overview of the underlying molecular mechanisms and biological processes to identify biomarkers. Transl Psychiatry 2021; 11:354. [PMID: 34103475 PMCID: PMC8187383 DOI: 10.1038/s41398-021-01469-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 04/29/2021] [Accepted: 05/06/2021] [Indexed: 02/05/2023] Open
Abstract
A combination of different risk factors, such as genetic, environmental and psychological factors, together with immune system, stress response, brain neuroplasticity and the regulation of neurotransmitters, is thought to lead to the development of major depressive disorder (MDD). A growing number of studies have tried to investigate the underlying mechanisms of MDD by analysing the expression levels of genes involved in such biological processes. These studies have shown that MDD is not just a brain disorder, but also a body disorder, and this is mainly due to the interplay between the periphery and the Central Nervous System (CNS). To this purpose, most of the studies conducted so far have mainly dedicated to the analysis of the gene expression levels using postmortem brain tissue as well as peripheral blood samples of MDD patients. In this paper, we reviewed the current literature on candidate gene expression alterations and the few existing transcriptomics studies in MDD focusing on inflammation, neuroplasticity, neurotransmitters and stress-related genes. Moreover, we focused our attention on studies, which have investigated mRNA levels as biomarkers to predict therapy outcomes. This is important as many patients do not respond to antidepressant medication or could experience adverse side effects, leading to the interruption of treatment. Unfortunately, the right choice of antidepressant for each individual still remains largely a matter of taking an educated guess.
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9
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Probiotics alleviate depressive behavior in chronic unpredictable mild stress rat models by remodeling intestinal flora. Neuroreport 2021; 32:686-693. [PMID: 33913925 DOI: 10.1097/wnr.0000000000001637] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To explore the effects of probiotics on depressive behavior in a chronic unpredictable mild stress (CUMS) rat model by remodeling intestinal flora. METHODS Twenty-four male SD rats aged 6-8 weeks were randomly divided into four groups: control group, depression group (CUMS), depression+paroxetine group (Paro) and depression+probiotics group (Pro). Sucrose preference, open field and forced swimming tests were used to assess depression-like behavior in rats. ELISA was used to detect the levels of adrenocorticotropic hormone (ACTH), and corticosterone, norepinephrine and 5-hydroxytryptamine in rat serum. Real-time PCR was used to determine the changes of Lactobacillus, Bifidobacterium, Enterococcus faecalis and Escherichia coli in rat cecum. RESULTS Compared with the control group, CUMS led to significant decreases of body weight, total traveled distance, duration in central area, immobility time, norepinephrine and 5-hydroxytryptamine contents in hippocampal tissues, as well as Lactobacillus and Bifidobacterium in the cecum. It also resulted in marked increases of the contents of E. faecalis and E. coli in the cecum, ACTH and corticosterone contents in the serum of rats. Paroxetine and probiotic treatment each diminished or prevented these changes. CONCLUSION By remodeling intestinal flora, probiotics can reduce the CUMS-induced depressive behavior of rats, increase the levels of norepinephrine and 5-hydroxytryptamine, and inhibit the expression of ACTH and corticosterone. Significantly, the effect of both paroxetine and probiotic on microorganisms is similar.
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Silva RC, Maffioletti E, Gennarelli M, Baune BT, Minelli A. Biological correlates of early life stressful events in major depressive disorder. Psychoneuroendocrinology 2021; 125:105103. [PMID: 33360031 DOI: 10.1016/j.psyneuen.2020.105103] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 11/29/2020] [Accepted: 12/01/2020] [Indexed: 12/14/2022]
Abstract
Major depressive disorder (MDD) is the most common psychiatric disorder and responds for important psychosocial consequences. Stressful life events, especially early life stress (ELS), contribute to an increased probability to develop MDD, leading in particular to severe and chronic manifestation and unfavorable treatment outcome. The association between ELS and MDD seems to have biological bases, consisting in dysregulations occurring at different levels. The aim of this narrative review is to propose an overview of the literature ranging from genetic, epigenetic, expression and protein to neuroimaging correlates underlying this relationship. A search on Pubmed of studies assessing biological correlates of ELS in MDD development, focusing on human studies conducted in both peripheral and brain tissues, was performed. Evidence indicated that the hypothalamic-pituitary-adrenal (HPA) axis and the serotonergic, dopaminergic, neurotrophin and oxytocin systems might play a role in the mediation between ELS and MDD. The most consistent results were found for genetic and epigenetic studies and indicated a joint involvement of the systems mentioned. Expression studies are less numerous and point to an involvement of stress-related systems. Concerning protein studies, the main mediators are markers related to the inflammatory and immune systems. Neuroimaging studies aiming at evaluating brain alterations connecting ELS and MDD in relation to biomarkers indicated the hippocampus, the amygdala and the frontal cortex as important anatomical mediators. These findings can build the bases for future research and clinical interventions; indeed, the clarification of biological mechanisms mediating the relationship between ELS and MDD can lead to new and individualized preventive and therapeutic possibilities.
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Affiliation(s)
- Rosana Carvalho Silva
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Elisabetta Maffioletti
- Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Massimo Gennarelli
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy; Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Bernhard T Baune
- Department of Psychiatry, University of Münster, Münster, Germany; Department of Psychiatry, Melbourne Medical School, The University of Melbourne, Melbourne, Australia; The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
| | - Alessandra Minelli
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy; Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy.
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Magri C, Giacopuzzi E, Sacco C, Bocchio-Chiavetto L, Minelli A, Gennarelli M. Alterations observed in the interferon α and β signaling pathway in MDD patients are marginally influenced by cis-acting alleles. Sci Rep 2021; 11:727. [PMID: 33436853 PMCID: PMC7804189 DOI: 10.1038/s41598-020-80374-2] [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: 07/01/2020] [Accepted: 12/17/2020] [Indexed: 11/09/2022] Open
Abstract
Major depressive disorder (MDD) is a common psychiatric disorder with a multifactorial aetiology determined by the interaction between genetic and environmental risk factors. Pieces of evidence indicate that inflammation and immune activation may contribute to the onset of MDD playing a role in the pathogenetic mechanism. To date, it is not known to which extent the association between MDD and inflammation is shaped by the genetic background or by the presence of environmental factors. To clarify this issue, we analyzed genotype and blood RNA profiles of 463 MDD cases and 459 controls (NIMH-Study 88/Site621) estimating the Genetic and Environmental Regulated eXpression component of gene expression (GReX and EReX respectively). Both components were tested for association with MDD. Many genes belonging to the α/β interferon signaling pathway showed an association between MDD and EReX, only two between MDD and GReX. Also other MDD differentially expressed genes were more influenced by the EReX than by GReX. These results suggest that impact of the genetic background on MDD blood gene expression alterations is much lower than the contribution of environmental factors and almost absent for the genes of the interferon pathway.
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Affiliation(s)
- Chiara Magri
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.
| | - Edoardo Giacopuzzi
- Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Chiara Sacco
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Luisella Bocchio-Chiavetto
- Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy.,Faculty of Psychology, eCampus University, Novedrate, Como, Italy
| | - Alessandra Minelli
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.,Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Massimo Gennarelli
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.,Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
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12
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miR-218 in Adolescence Predicts and Mediates Vulnerability to Stress. Biol Psychiatry 2020; 89:911-919. [PMID: 33384174 PMCID: PMC8052258 DOI: 10.1016/j.biopsych.2020.10.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/30/2020] [Accepted: 10/23/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Adolescence is a period of increased vulnerability to psychiatric disorders, including depression. Discovering novel biomarkers to identify individuals who are at high risk is very much needed. Our previous work shows that the microRNA miR-218 mediates susceptibility to stress and depression in adulthood by targeting the netrin-1 guidance cue receptor gene Dcc in the medial prefrontal cortex (mPFC). METHODS Here, we investigated whether miR-218 regulates Dcc expression in adolescence and could serve as an early predictor of lifetime stress vulnerability in male mice. RESULTS miR-218 expression in the mPFC increases from early adolescence to adulthood and correlates negatively with Dcc levels. In blood, postnatal miR-218 expression parallels changes occurring in the mPFC. Notably, circulating miR-218 levels in adolescence associate with vulnerability to social defeat stress in adulthood, with high levels associated with social avoidance severity. Indeed, downregulation of miR-218 in the mPFC in adolescence promotes resilience to stress in adulthood. CONCLUSIONS miR-218 expression in adolescence may serve both as a marker of risk and as a target for early interventions.
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13
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LeMoult J, Humphreys KL, Tracy A, Hoffmeister JA, Ip E, Gotlib IH. Meta-analysis: Exposure to Early Life Stress and Risk for Depression in Childhood and Adolescence. J Am Acad Child Adolesc Psychiatry 2020; 59:842-855. [PMID: 31676392 DOI: 10.1016/j.jaac.2019.10.011] [Citation(s) in RCA: 253] [Impact Index Per Article: 63.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 09/21/2019] [Accepted: 10/22/2019] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Early life stress (ELS) is associated with increased risk for the development of major depressive disorder (MDD) in adulthood; however, the degree to which ELS is associated with an early onset of MDD (ie, during childhood or adolescence) is not known. In this meta-analysis, we estimated the associations between ELS and the risk for onset of MDD before age 18 years. In addition, we examined the associations between eight specific forms of ELS (ie, sexual abuse, physical abuse, poverty, physical illness/injury, death of a family member, domestic violence, natural disaster, and emotional abuse) and risk for youth-onset MDD. METHOD We conducted a systematic search in scientific databases for studies that assessed both ELS and the presence or absence of MDD before age 18 years. We identified 62 journal articles with a total of 44,066 unique participants. We assessed study quality using the Newcastle-Ottawa Scale. When heterogeneous effect sizes were detected, we tested whether demographic and/or methodological factors moderated the association between ELS and MDD. RESULTS Using a random-effects meta-analysis, we found that individuals who experienced ELS were more likely to develop MDD before the age of 18 years than were individuals without a history of ELS (odds ratio = 2.50; 95% confidence interval 2.08, 3.00). Separate meta-analyses revealed a range of associations with MDD: whereas some types of ELS (eg, poverty) were not associated with MDD, other types (eg, emotional abuse) were associated more strongly with MDD than was ELS considered more broadly. CONCLUSION These findings provide important evidence that the adverse effect of ELS on MDD risk manifests early in development, prior to adulthood, and varies by type of ELS.
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Affiliation(s)
| | | | | | | | - Eunice Ip
- University of British Columbia, Vancouver
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14
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Kluwe-Schiavon B, Schote AB, Vonmoos M, Hulka LM, Preller KH, Meyer J, Baumgartner MR, Grünblatt E, Quednow BB. Psychiatric symptoms and expression of glucocorticoid receptor gene in cocaine users: A longitudinal study. J Psychiatr Res 2020; 121:126-134. [PMID: 31812111 DOI: 10.1016/j.jpsychires.2019.11.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 11/22/2019] [Accepted: 11/25/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Chronic cocaine users (CU) display reduced peripheral expression of the glucocorticoid receptor gene (NR3C1), which is potentially involved in stress-related psychiatric symptoms frequently occurring in CU. However, it is unknown whether psychiatric symptoms and lower NR3C1 expression are related to each other and whether reduction of drug consumption reverse them. METHOD At baseline, NR3C1 mRNA expression was measured in 68 recreational CU, 30 dependent CU, and 68 stimulant-naïve controls. Additionally, the Revised Symptom Checklist (SCL-90R) and the Barratt Impulsiveness Scale (BIS) were assessed. At a one-year follow-up, the association between change in NR3C1 expression and psychiatric symptoms was examined in 48 stimulant-naïve controls, 19 CU who increased and 19 CU who decreased their consumption. At both test sessions, cocaine concentrations in hair samples were determined. Mixed-effects models were used to investigate how changes in drug use intensity affect severity of psychiatric symptoms and NR3C1 expression over time. RESULTS At baseline, recreational and dependent CU displayed elevated impulsivity and considerable symptom burden across most of the SCL-90R subscales. Time-group interaction effects were found for several impulsivity scores, SCL-90R Global Severity Index, Paranoid Thoughts, and Depression subscales as well as for NR3C1 expression. Pairwise comparisons showed that decreasing CU specifically improved in these SCL-90R subscales, while their NR3C1 expression was adapted. Finally, changes in NR3C1 expression were negatively correlated with changes in impulsivity but not SCL-90R scores. CONCLUSION Our findings suggest that NR3C1 expression changes and some psychiatric symptoms are reversible upon reduction of cocaine intake, thus favouring abstinence-oriented treatment approaches.
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Affiliation(s)
- B Kluwe-Schiavon
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - A B Schote
- Department of Neurobehavioral Genetics, Institute of Psychobiology, University of Trier, Trier, Germany
| | - M Vonmoos
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - L M Hulka
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - K H Preller
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - J Meyer
- Department of Neurobehavioral Genetics, Institute of Psychobiology, University of Trier, Trier, Germany
| | - M R Baumgartner
- Center of Forensic Hairanalytics, Institute of Forensic Medicine, University of Zurich, Switzerland
| | - E Grünblatt
- Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Switzerland; Neuroscience Center Zurich, University of Zurich and ETH Zurich, Switzerland; Zurich Center for Integrative Human Physiology, University of Zurich, Switzerland
| | - B B Quednow
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland; Neuroscience Center Zurich, University of Zurich and ETH Zurich, Switzerland; Zurich Center for Integrative Human Physiology, University of Zurich, Switzerland.
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15
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Li Z, Zuo L, Shi Y, Tian D, Liu L, Yang Y, Zhou L, Zhang X, Kang J, Hao X, Yuan C, Sun Z. Combination of high-resolution accurate mass spectrometry and network pharmacology provides a new method for the chemical constituents' study and target prediction in vivo of Garcinia multiflora. J Sep Sci 2019; 43:978-986. [PMID: 31867785 DOI: 10.1002/jssc.201900755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 11/25/2019] [Accepted: 11/27/2019] [Indexed: 12/27/2022]
Abstract
Garcinia multiflora is a kind of evergreen tree which is widely distributed in the south of China. However, few researches focused on the constituents in different parts of G. multiflora as well as their potential targets and pathways in vivo. To clarify the chemical constituents of G. multiflora rapidly and predict the potential targets as well as pathways in vivo that this plant may have effects on, a feasible and accurate strategy was developed to identify the chemical constituents in fruits, leaves, and branches of G. multiflora by ultra-high performance liquid chromatography with Q-Exactive hybrid quadrupole-orbitrap high-resolution accurate mass spectrometry. Network pharmacology was then employed and a "compounds-targets-diseases" network was established. Sixty-one compounds including polycyclic polyprenylated acylphloroglucinols, xanthones, and flavonoids were finally identified in different parts of G. multiflora, and the contents of seven constituents were quantified, respectively. On the basis of the network pharmacology analysis results, compounds in this plant were speculated to have potential pharmacodynamic effect on cancer, inflammatory, respiratory diseases, cardiovascular diseases, and metabolic diseases. This research will provide a new method for the advanced study on the pharmacodynamic materials basis of G. multiflora, and offer valuable evidences for medicinal purpose of this plant.
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Affiliation(s)
- Zhuolun Li
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou, P. R. China
| | - Lihua Zuo
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou, P. R. China
| | - Yingying Shi
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou, P. R. China
| | - Dongsong Tian
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, P. R. China
| | - Liwei Liu
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou, P. R. China
| | - Yantao Yang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou, P. R. China
| | - Lin Zhou
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou, P. R. China
| | - Xiaojian Zhang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou, P. R. China
| | - Jian Kang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou, P. R. China
| | - Xiaojiang Hao
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, P. R. China
| | - Chunmao Yuan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, P. R. China
| | - Zhi Sun
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China.,Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou, P. R. China
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16
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Li N, Wang Q, Wang Y, Sun A, Lin Y, Jin Y, Li X. Fecal microbiota transplantation from chronic unpredictable mild stress mice donors affects anxiety-like and depression-like behavior in recipient mice via the gut microbiota-inflammation-brain axis. Stress 2019; 22:592-602. [PMID: 31124390 DOI: 10.1080/10253890.2019.1617267] [Citation(s) in RCA: 154] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Recent studies have demonstrated that there are significant changes in the gut microbiota (GM) of humans with depression and animal models of depression and chronic stress. In our present study, we determined whether an alteration in GM is a decisive factor in anxiety-like and depression-like behavior and its impact on brain neurochemistry. An antibiotic cocktail was used to deplete the GM of mice before they were colonized, via fecal microbiota transplantation (FMT), by the GM of control mice or mice that had been exposed to chronic unpredictable mild stress (CUMS donors). The CUMS-donor group of mice and the mice that were colonized by their microbiota (the CUMS-recipient group) both showed higher levels of anxiety- and depression-like behavior compared to the controls. The GM community of the CUMS-donor and CUMS-recipient was distinctively different from the controls, with the CUMS group characterized by a lower relative abundance of Lactobacillus and a higher relative abundance of Akkermansia. Interestingly, FMT affected both behavior and neuroinflammation. Mice given the CUMS microbiota had significant elevations of interferon-γ (IFN-γ) and the tumor necrosis factor-alpha (TNF-α) in the hippocampus, which were accompanied by upregulated indoleamine 2,3-dioxygenase 1 (IDO1) in the hippocampus. These results suggest that GM modulates pro-inflammatory cytokines in the hippocampus through dysfunctional microbiota-gut-brain axis, exacerbating anxiety- and depression-like phenotypes. Key Points Chronic unpredictable mild stress increased anxiety- and depression-like behavior in mice. Mice colonized with gut microbiota (GM) from stressed mice showed similar behaviors. The GM composition of the donor and recipient mice was also comparable. Their relative pattern of two bacteria has been tied to neuroinflammatory activity. The results suggest a link between GM, brain function, and anxiety and depression.
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Affiliation(s)
- Nannan Li
- a Department of Geriatrics Cardiology, First Hospital of China Medical University , Shenyang , China
| | - Qi Wang
- b Department of Psychiatry, The First Hospital of China Medical University , Shenyang , China
| | - Yan Wang
- c Mental Health Center, China Medical University , Shenyang , China
| | - Anji Sun
- b Department of Psychiatry, The First Hospital of China Medical University , Shenyang , China
| | - Yiwei Lin
- b Department of Psychiatry, The First Hospital of China Medical University , Shenyang , China
| | - Ye Jin
- b Department of Psychiatry, The First Hospital of China Medical University , Shenyang , China
| | - Xiaobai Li
- b Department of Psychiatry, The First Hospital of China Medical University , Shenyang , China
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17
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Gillespie SL, Cole SW, Christian LM. Early adversity and the regulation of gene expression: Implications for prenatal health. Curr Opin Behav Sci 2019; 28:111-118. [PMID: 31815157 PMCID: PMC6897329 DOI: 10.1016/j.cobeha.2019.02.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Early life, including prenatal development and childhood, is a period of sensitivity, with potential for developmental programming under conditions of adversity. The intergenerational effects of early adversity have received attention, most often studied in relation to fetal development according to maternal exposures. Less often considered but critically important is the effect of early adversity on future prenatal risk (e.g., risk for preeclampsia, preterm birth), which threatens the health of mother and infant. The body's ability to turn collections of genes "on" or "off" across a range of tissues via receptor-driven transcription factors and epigenetic mechanisms (i.e., chemical modifications to the genome) in response to the perceived environment may help to explain such associations. This review aims to summarize discoveries surrounding the effects of early adversity on gene expression, emphasizing prenatal populations. First, we review findings from gene expression studies examining the effects of early adversity on various tissues known to contribute to prenatal health in adulthood. Next, we review several gene regulatory mechanisms thought to underlie differences in gene expression. Finally, we discuss potential implications for prenatal risk among early adversity-exposed mothers according to our current understanding of the biology that contributes to the development of prenatal syndromes.
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Affiliation(s)
| | - Steve W Cole
- Department of Psychiatry & Biobehavioral Sciences and Medicine, UCLA School of Medicine, Los Angeles, CA
| | - Lisa M Christian
- Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH
- The Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH
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18
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Minelli A, Magri C, Giacopuzzi E, Gennarelli M. The effect of childhood trauma on blood transcriptome expression in major depressive disorder. J Psychiatr Res 2018; 104:50-54. [PMID: 29975859 DOI: 10.1016/j.jpsychires.2018.06.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 05/28/2018] [Accepted: 06/22/2018] [Indexed: 01/15/2023]
Abstract
Childhood trauma (CT) increases the likelihood of developing severe mental illnesses, such as major depressive disorder (MDD), during adulthood. Several studies have suggested an inflammatory immune system dysregulation as a biological mediator; however, the molecular mechanisms underlying this relationship remain largely undetermined. Moreover, different types of CT, in particular, emotional abuse and neglect, confer a higher risk of developing MDD, and recent meta-analyses showed that each CT can be associated with different pro-inflammatory biomarkers. However, no studies using a hypothesis-free approach have been performed. For this reason, we carried out a reanalysis of transcriptome data from a large mRNA sequencing dataset to investigate different types of CT in MDD patients. Gene expression analysis followed by principal component and gene-set enrichment analyses were carried out to identify genes and pathways differentially expressed in 368 patients who experienced four different types of CT (sexual abuse, physical abuse, emotional abuse and neglect). Expression analysis of single genes revealed a significant association between the neglect CT and the MED22 gene (p = 1.11 × 10-6; FDR = 0.016). Furthermore, analyses of the principal components of expression data support a dysregulation of cytokine system pathways, such as interferon (IFN) α/β and γ signaling, as a consequence of emotional abuse in depressed patients. Our results corroborate the hypothesis that specific types of CT affect distinct molecular pathways, and in particular, emotional abuse and neglect exert the strongest impact on gene expression in MDD.
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Affiliation(s)
- Alessandra Minelli
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.
| | - Chiara Magri
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Edoardo Giacopuzzi
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Massimo Gennarelli
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy; Genetic Unit, IRCCS Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
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19
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Depression and glioblastoma, complicated concomitant diseases: a systemic review of published literature. Neurosurg Rev 2018; 43:497-511. [PMID: 30094499 DOI: 10.1007/s10143-018-1017-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 07/09/2018] [Accepted: 07/26/2018] [Indexed: 01/27/2023]
Abstract
Glioblastoma multiforme (GBM) is the most common primary brain cancer. Depression is a common co-morbidity of this condition. Despite this common interaction, relatively little research has been performed on the development of GBM-associated depression. We performed a literary search of the PubMed database for articles published relating to GBM and depression. A total of 85 articles were identified with 46 meeting inclusion criteria. Depression significantly impacts care, decreasing medication compliance, and patient survival. Diagnostically, because depression and GBM share intricate neuro-connectivity in a way that effect functionality, these diseases can be mistaken for alternative psychological or pathological disorders, complicating care. Therapeutically, anti-depressants have anti-tumor properties; yet, some have been shown to interfere with GBM treatment. One reason for this is that the pathophysiological development of depression and GBM share several pathways including altered regulation of the 5-HT receptor, norepinephrine, and 3':5'-cyclic monophosphate. Over time, depression can persist after GBM treatment, affecting patient quality of life. Together, depression and GBM are complicated concomitant diseases. Clinicians must be aware of their co-existence. Because of overlapping molecular pathways involved in both diseases, careful medication selection is imperative to avoid potential adverse interactions. Since GBMs are the most common primary brain cancer, physicians dealing with this disease should be prepared for the development of depression as a potential sequela of this condition, given the related pathophysiology and the known poor outcomes.
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20
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From feedback loop transitions to biomarkers in the psycho-immune-neuroendocrine network: Detecting the critical transition from health to major depression. Neurosci Biobehav Rev 2018. [DOI: 10.1016/j.neubiorev.2018.03.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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21
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Accessing Gene Expression in Treatment-Resistant Schizophrenia. Mol Neurobiol 2018; 55:7000-7008. [PMID: 29374346 DOI: 10.1007/s12035-018-0876-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 01/07/2018] [Indexed: 01/22/2023]
Abstract
Schizophrenia (SCZ) is a mental disorder arising from a complex interaction of genetic and environmental factors. It has been suggested that treatment-resistant schizophrenia (TRS) is a distinct, more severe, and homogenous subgroup of schizophrenia that could present specific biological markers. Our aim was to characterize expression of target genes in blood of TRS patients compared with non-TRS (NTRS) patients and healthy controls (HC). TRS has been defined using failure to respond to two previous antipsychotic trials. We hypothesized that genes involved in neurodevelopment, myelination, neuroplasticity, neurotransmission, and miRNA processing could be involved in treatment resistance; then, we investigated 13 genes related to those processes in 256 subjects, being 94 healthy controls and 162 schizophrenia patients treated with antipsychotics. Of those, 78 were TRS patients and 84 were NTRS patients. Peripheral blood samples were collected from all subjects and RNA was isolated. Gene expression analysis was performed using the TaqMan low-density array (TLDA) technology. To verify the influence of expression quantitative trait loci (eQTLs), we evaluated single-nucleotide polymorphism (SNP) of all genes using data from GTEx Project. SNP genotypes were obtained from HumanOmniExpress BeadChip. We did not detect gene expression differences between TRS and NTRS subjects, indicating candidate genes specific to treatment resistance. We detected an upregulation of CNR1 and UFD1L gene expression in patients (TRS and NTRS groups) when compared to controls, that may be associated with the release of neurotransmitters, which can influence neuronal plasticity, or with a stress response-activating protein degradation. DICER1 and AKT1 expression increased slightly across the groups and could differentiate only the extreme opposite groups, HC and TRS. Both genes act in heterogeneous pathways, such as cell signaling and miRNA processing, and seem to have an increased demand in the TRS group. We did not detect any eQTLs in our sample that could explain differences in mRNA levels, suggesting a possible regulation by other mechanism, not driven by genotypes. Our data strengthen the importance of several biological pathways involved in the schizophrenia refractoriness and severity, adding knowledge to develop more effective treatments in the future.
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22
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Lezheiko TV, Andryushchenko AV, Korovaitseva GI, Kondratiev NV, Gabaeva MV, Krikova EV, Golimbet VE. A study on the association of genes for pro-inflammatory cytokines and depression. Zh Nevrol Psikhiatr Im S S Korsakova 2018; 118:89-93. [DOI: 10.17116/jnevro20181183189-93] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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