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Cui S, Xiong W, Zhao Z, Han Y, Cui T, Qu Z, Li Z, Zhang X. Negative impact of maternal depressive symptoms on infancy neurodevelopment: a moderated mediation effect of maternal inflammation. Eur Child Adolesc Psychiatry 2024:10.1007/s00787-024-02572-x. [PMID: 39190153 DOI: 10.1007/s00787-024-02572-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Accepted: 08/20/2024] [Indexed: 08/28/2024]
Abstract
Maternal depression promotes maternal inflammation and the risk of neurodevelopmental disorder in offspring, but the role of inflammation on the association between depression and neurodevelopment in offspring has not been extensively studied in humans. This study aims to examine the mediating role of maternal inflammation on the relationship between maternal depression and neurodevelopment in infants. 146 mother-child pairs were identified from Tianjin Maternal and Child Health Education and Service Cohort (Tianjin MCHESC). Maternal depression was investigated by the Center for Epidemiologic Studies Depression Scale and the Edinburgh Postnatal Depression Scale, and depressive trajectories were identified by latent class growth analysis. Inflammatory biomarkers in the three trimesters were assessed with enzyme-linked immunoassay. The Children Neuropsychological and Behavior Scale-Revision 2016 was used to measure neurodevelopment in infants. Principal component analysis was performed to identify inflammatory condition. Stepwise multiple linear regression analysis and mediation analysis were used to identify association among maternal depression, maternal inflammation and neurodevelopment in infants. Offspring in the low and moderate maternal depression groups exhibited higher adaptive behavior development quotient than those in the high maternal depression group. Higher maternal c-reactive protein level and higher inflammatory level in acute-phase of inflammation in the first trimester, and moderate maternal depression were associated with lower adaptive behavior quotients of infants. Inflammatory level in acute-phase of inflammation in the first trimester significantly mediated the association between maternal depression and adaptive behavior development of infants, with explaining 11.85% of the association. Maternal depression could impair adaptive behavior development in infants by inflammation.
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Affiliation(s)
- Shanshan Cui
- Beijing Key Laboratory of Environmental Toxicology, School of Public Health, Capital Medical University, Beijing, 100069, China
| | - Wenjuan Xiong
- Department of Maternal, Child & Adolescence Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China
| | - Ziyu Zhao
- Department of Maternal, Child & Adolescence Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China
| | - Yu Han
- Department of Maternal, Child & Adolescence Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China
| | - Tingkai Cui
- Department of Maternal, Child & Adolescence Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China
| | - Zhiyi Qu
- Department of Maternal, Child & Adolescence Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China
| | - Zhi Li
- Department of Maternal, Child & Adolescence Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China
| | - Xin Zhang
- Department of Maternal, Child & Adolescence Health, School of Public Health, Tianjin Medical University, Tianjin, 300070, China.
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Ahrens AP, Hyötyläinen T, Petrone JR, Igelström K, George CD, Garrett TJ, Orešič M, Triplett EW, Ludvigsson J. Infant microbes and metabolites point to childhood neurodevelopmental disorders. Cell 2024; 187:1853-1873.e15. [PMID: 38574728 DOI: 10.1016/j.cell.2024.02.035] [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: 04/07/2023] [Revised: 11/22/2023] [Accepted: 02/28/2024] [Indexed: 04/06/2024]
Abstract
This study has followed a birth cohort for over 20 years to find factors associated with neurodevelopmental disorder (ND) diagnosis. Detailed, early-life longitudinal questionnaires captured infection and antibiotic events, stress, prenatal factors, family history, and more. Biomarkers including cord serum metabolome and lipidome, human leukocyte antigen (HLA) genotype, infant microbiota, and stool metabolome were assessed. Among the 16,440 Swedish children followed across time, 1,197 developed an ND. Significant associations emerged for future ND diagnosis in general and for specific ND subtypes, spanning intellectual disability, speech disorder, attention-deficit/hyperactivity disorder, and autism. This investigation revealed microbiome connections to future diagnosis as well as early emerging mood and gastrointestinal problems. The findings suggest links to immunodysregulation and metabolism, compounded by stress, early-life infection, and antibiotics. The convergence of infant biomarkers and risk factors in this prospective, longitudinal study on a large-scale population establishes a foundation for early-life prediction and intervention in neurodevelopment.
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Affiliation(s)
- Angelica P Ahrens
- Department of Microbiology and Cell Science, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL 32603, USA
| | - Tuulia Hyötyläinen
- School of Science and Technology, Örebro University, Örebro 702 81, Sweden
| | - Joseph R Petrone
- Department of Microbiology and Cell Science, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL 32603, USA
| | - Kajsa Igelström
- Department of Biomedical and Clinical Sciences, Division of Neurobiology, Linköping University, Linköping 58185, Sweden
| | - Christian D George
- Department of Microbiology and Cell Science, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL 32603, USA
| | - Timothy J Garrett
- Department of Pathology, Immunology and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Matej Orešič
- School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro 702 81, Sweden; Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku 20520, Finland; Department of Life Technologies, University of Turku, Turku 20014, Finland
| | - Eric W Triplett
- Department of Microbiology and Cell Science, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL 32603, USA.
| | - Johnny Ludvigsson
- Crown Princess Victoria Children's Hospital and Division of Pediatrics, Department of Biomedical and Clinical Sciences, Linköping University, Linköping 58185, Sweden
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Gumusoglu SB, Kiel MD, Gugel A, Schickling BM, Weaver KR, Lauffer MC, Sullivan HR, Coulter KJ, Blaine BM, Kamal M, Zhang Y, Devor EJ, Santillan DA, Gantz SC, Santillan MK. Anti-angiogenic mechanisms and serotonergic dysfunction in the Rgs2 knockout model for the study of psycho-obstetric risk. Neuropsychopharmacology 2024; 49:864-875. [PMID: 37848733 PMCID: PMC10948883 DOI: 10.1038/s41386-023-01749-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 09/26/2023] [Accepted: 09/28/2023] [Indexed: 10/19/2023]
Abstract
Psychiatric and obstetric diseases are growing threats to public health and share high rates of co-morbidity. G protein-coupled receptor signaling (e.g., vasopressin, serotonin) may be a convergent psycho-obstetric risk mechanism. Regulator of G Protein Signaling 2 (RGS2) mutations increase risk for both the gestational disease preeclampsia and for depression. We previously found preeclampsia-like, anti-angiogenic obstetric phenotypes with reduced placental Rgs2 expression in mice. Here, we extend this to test whether conserved cerebrovascular and serotonergic mechanisms are also associated with risk for neurobiological phenotypes in the Rgs2 KO mouse. Rgs2 KO exhibited anxiety-, depression-, and hedonic-like behaviors. Cortical vascular density and vessel length decreased in Rgs2 KO; cortical and white matter thickness and cell densities were unchanged. In Rgs2 KO, serotonergic gene expression was sex-specifically changed (e.g., cortical Htr2a, Maoa increased in females but all serotonin targets unchanged or decreased in males); redox-related expression increased in paraventricular nucleus and aorta; and angiogenic gene expression was changed in male but not female cortex. Whole-cell recordings from dorsal raphe serotonin neurons revealed altered 5-HT1A receptor-dependent inhibitory postsynaptic currents (5-HT1A-IPSCs) in female but not male KO neurons. Additionally, serotonin transporter blockade by the SSRI sertraline increased the amplitude and time-to-peak of 5-HT1A-IPSCs in KO neurons to a greater extent than in WT neurons in females only. These results demonstrate behavioral, cerebrovascular, and sertraline hypersensitivity phenotypes in Rgs2 KOs, some of which are sex-specific. Disruptions may be driven by vascular and cell stress mechanisms linking the shared pathogenesis of psychiatric and obstetric disease to reveal future targets.
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Affiliation(s)
- Serena B Gumusoglu
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, USA
| | - Michaela D Kiel
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Aleigha Gugel
- Iowa Neuroscience Institute, University of Iowa, Iowa City, USA
- Department of Molecular Physiology and Biophysics, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Brandon M Schickling
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Kaylee R Weaver
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Marisol C Lauffer
- Iowa Neuroscience Institute, University of Iowa, Iowa City, USA
- Neural Circuits and Behavior Core, Iowa Neuroscience Institute, University of Iowa, Iowa City, USA
| | - Hannah R Sullivan
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Kaylie J Coulter
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Brianna M Blaine
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Mushroor Kamal
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Yuping Zhang
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Eric J Devor
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Donna A Santillan
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Stephanie C Gantz
- Iowa Neuroscience Institute, University of Iowa, Iowa City, USA
- Department of Molecular Physiology and Biophysics, Carver College of Medicine, University of Iowa, Iowa City, USA
| | - Mark K Santillan
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, USA.
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Gumusoglu SB. The role of the placenta-brain axis in psychoneuroimmune programming. Brain Behav Immun Health 2024; 36:100735. [PMID: 38420039 PMCID: PMC10900837 DOI: 10.1016/j.bbih.2024.100735] [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: 11/24/2023] [Revised: 01/06/2024] [Accepted: 02/04/2024] [Indexed: 03/02/2024] Open
Abstract
Gestational exposures have enduring impacts on brain and neuroimmune development and function. Perturbations of pregnancy leading to placental structure/function deficits, cell stress, immune activation, and endocrine changes (metabolic, growth factors, etc.) all increase neuropsychiatric risk in offspring. The existing literature links obstetric diseases with placental involvement to offspring neuroimmune outcomes and neurodevelopmental risk. Psychoneuroimmune outcomes in offspring brain include changes to microglia, cytokine/chemokine production, cell stress, and long-term immunoreactivity. These outcomes are altered by structural, anti-angiogenic/hypoxic, inflammatory, and metabolic diseases of the placenta. This fetal programming occurs via direct placental passage or production of factors which can act directly on fetal brain substrates, or indirectly via action of circulating factors on intermediates in the placenta. Placental neuroendocrine, vascular/angiogenic, immune, and extracellular vesicular mechanisms are detailed. These mechanisms interact within various placental and pregnancy conditions. An increased understanding of the placental origins of psychoneuroimmunology will yield dividends for human health. Identifying maternal and placental biomarkers for fetal neuroimmune health may also revolutionize early diagnosis and precision psychiatry, empowering patients to make the best healthcare decisions for their families. Targeting placental mechanisms may be a valuable approach for the prevention and mitigation of intergenerational, lifelong neuropathology.
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Affiliation(s)
- Serena B. Gumusoglu
- Department of Obstetrics and Gynecology, University of Iowa Carver College of Medicine, 200 Hawkins Dr. Iowa City, IA, 52327, USA
- Department of Psychiatry, University of Iowa Carver College of Medicine, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
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Liu J, Liu JB, Ke XY. [Research progress on the mechanism of the impact of maternal childhood trauma on intergenerational transmission]. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2024; 26:207-212. [PMID: 38436321 PMCID: PMC10921875 DOI: 10.7499/j.issn.1008-8830.2309147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 01/05/2024] [Indexed: 03/05/2024]
Abstract
Childhood trauma refers to trauma experiences encountered during childhood and adolescence. Maternal childhood trauma experiences have a lasting impact on the next generation, affecting their physical and mental well-being. The mechanisms involved include the hypothalamic-pituitary-adrenal axis, inflammatory factors, brain structure and function, gene interactions, and parenting styles. This paper systematically reviews the mechanisms of the impact of maternal childhood trauma on intergenerational transmission, providing insights for the prevention of intergenerational transmission of childhood trauma.
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Affiliation(s)
- Juan Liu
- School of Mental Health, Jining Medical University, Jining, Shandong 272000, China (Ke X-Y, ); Department of Child Psychiatry, Shenzhen Mental Health Center/Shenzhen Kangning Hospital, Shenzhen, Guangdong 518000, China (Liu J-B, 308017398@qq. com)
| | | | - Xiao-Yin Ke
- School of Mental Health, Jining Medical University, Jining, Shandong 272000, China (Ke X-Y, ); Department of Child Psychiatry, Shenzhen Mental Health Center/Shenzhen Kangning Hospital, Shenzhen, Guangdong 518000, China (Liu J-B, 308017398@qq. com)
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Myers M, Gumusoglu S, Brandt D, Stroud A, Hunter SK, Vignato J, Nuckols V, Pierce GL, Santillan MK, Santillan DA. A role for adverse childhood experiences and depression in preeclampsia. J Clin Transl Sci 2024; 8:e25. [PMID: 38384900 PMCID: PMC10880014 DOI: 10.1017/cts.2023.704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 02/23/2024] Open
Abstract
Introduction Adverse childhood experiences (ACEs) are a measure of childhood adversity and are associated with life-long morbidity. The impacts of ACEs on peripartum health including preeclampsia, a common and dangerous hypertensive disorder of pregnancy, remain unclear, however. Therefore, we aimed to determine ACE association with peripartum psychiatric health and prevalence of preeclampsia using a case-control design. Methods Clinical data were aggregated and validated using a large, intergenerational knowledgebase developed at our institution. Depression symptoms were measured by standard clinical screeners: the Patient Health Questionnaire-9 (PHQ-9) and the Edinburgh Postnatal Depression Scale (EPDS). ACEs were assessed via survey. Scores were compared between participants with (N = 32) and without (N = 46) prior preeclampsia. Results Participants with ACE scores ≥4 had significantly greater odds of preeclampsia than those with scores ≤ 3 (adjusted odds ratio = 6.71, 95% confidence interval:1.13-40.00; p = 0.037). Subsequent speculative analyses revealed that increased odds of preeclampsia may be driven by increased childhood abuse and neglect dimensions of the ACE score. PHQ-9 scores (3.73 vs. 1.86, p = 0.03), EPDS scores (6.38 vs. 3.71, p = 0.01), and the incidence of depression (37.5% vs. 23.9%, p = 0.05) were significantly higher in participants with a history of preeclampsia versus controls. Conclusions Childhood sets the stage for life-long health. Our findings suggest that ACEs may be a risk factor for preeclampsia and depression, uniting the developmental origins of psychiatric and obstetric risk.
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Affiliation(s)
- Monica Myers
- Department of Obstetrics & Gynecology, University of Iowa, Iowa City, USA
| | - Serena Gumusoglu
- Department of Obstetrics & Gynecology, University of Iowa, Iowa City, USA
- Iowa Neuroscience Institute, Iowa City, USA
| | - Debra Brandt
- Department of Obstetrics & Gynecology, University of Iowa, Iowa City, USA
| | - Amy Stroud
- Department of Psychiatry, University of Iowa, Iowa City, USA
| | - Stephen K. Hunter
- Department of Obstetrics & Gynecology, University of Iowa, Iowa City, USA
| | - Julie Vignato
- College of Nursing, University of Iowa, Iowa City, USA
| | - Virginia Nuckols
- Department of Health and Human Physiology, University of Iowa, Iowa City, USA
| | - Gary L. Pierce
- Department of Health and Human Physiology, University of Iowa, Iowa City, USA
- Department of Internal Medicine, University of Iowa, Iowa City, USA
| | - Mark K. Santillan
- Department of Obstetrics & Gynecology, University of Iowa, Iowa City, USA
- Iowa Neuroscience Institute, Iowa City, USA
| | - Donna A. Santillan
- Department of Obstetrics & Gynecology, University of Iowa, Iowa City, USA
- Iowa Neuroscience Institute, Iowa City, USA
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Weber MA, Kerr G, Thangavel R, Conlon MM, Gumusoglu SB, Gupta K, Abdelmotilib HA, Halhouli O, Zhang Q, Geerling JC, Narayanan NS, Aldridge GM. Alpha-Synuclein Pre-Formed Fibrils Injected into Prefrontal Cortex Primarily Spread to Cortical and Subcortical Structures. JOURNAL OF PARKINSON'S DISEASE 2024; 14:81-94. [PMID: 38189765 PMCID: PMC10836574 DOI: 10.3233/jpd-230129] [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] [Accepted: 11/13/2023] [Indexed: 01/09/2024]
Abstract
BACKGROUND Parkinson's disease dementia (PDD) and dementia with Lewy bodies (DLB) are characterized by diffuse spread of alpha-synuclein (α-syn) throughout the brain. Patients with PDD and DLB have a neuropsychological pattern of deficits that include executive dysfunction, such as abnormalities in planning, timing, working memory, and behavioral flexibility. The prefrontal cortex (PFC) plays a major role in normal executive function and often develops α-syn aggregates in DLB and PDD. OBJECTIVE To investigate the long-term behavioral and cognitive consequences of α-syn pathology in the cortex and characterize pathological spread of α-syn. METHODS We injected human α-syn pre-formed fibrils into the PFC of wild-type male mice. We then assessed the behavioral and cognitive effects between 12- and 21-months post-injection and characterized the spread of pathological α-syn in cortical, subcortical, and brainstem regions. RESULTS We report that PFC PFFs: 1) induced α-syn aggregation in multiple cortical and subcortical regions with sparse aggregation in midbrain and brainstem nuclei; 2) did not affect interval timing or spatial learning acquisition but did mildly alter behavioral flexibility as measured by intraday reversal learning; and 3) increased open field exploration. CONCLUSIONS This model of cortical-dominant pathology aids in our understanding of how local α-syn aggregation might impact some symptoms in PDD and DLB.
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Affiliation(s)
- Matthew A. Weber
- Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Gemma Kerr
- Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Ramasamy Thangavel
- Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Mackenzie M. Conlon
- Medical Scientist Training Program, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Serena B. Gumusoglu
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
| | - Kalpana Gupta
- Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Hisham A. Abdelmotilib
- Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Oday Halhouli
- Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Qiang Zhang
- Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Joel C. Geerling
- Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
| | - Nandakumar S. Narayanan
- Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
| | - Georgina M. Aldridge
- Department of Neurology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
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Gomes J, Begum M, Kumarathasan P. Polybrominated diphenyl ether (PBDE) exposure and adverse maternal and infant health outcomes: Systematic review. CHEMOSPHERE 2024; 347:140367. [PMID: 37890790 DOI: 10.1016/j.chemosphere.2023.140367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 10/03/2023] [Indexed: 10/29/2023]
Abstract
Polybrominated diphenyl ethers (PBDEs) are flame retardants found in ambient environment and are measured in humans. There are reports on general PBDE toxicity, including endocrine disrupting properties. Studies on adverse maternal and infant outcomes and underlying toxicity mechanisms needs to be understood. The objective of this study was to conduct a systematic review to examine the state of science on the relationship between PBDE and adverse maternal/infant health outcomes and related maternal biomarker changes. This literature review was conducted using PubMed, Scopus, Embase and Web of Science for published articles from January 2005-February 2022. Article quality was assessed using Newcastle-Ottawa Scale. Of the 1518 articles, only 54 human observational studies were screened in for this review. A second reviewer examined the validity of these articles. Reports on associations between PBDE and maternal health outcomes included gestational hypertension/preeclampsia (N = 2) and gestational diabetes mellitus/glycemic index (N = 6). Meanwhile, reports on PBDE and infant outcomes (N=32) included effects on infant birth weight, birth length and cephalic perimeter, preterm birth, fetal growth restriction and APGAR scores. Although findings on PBDE exposure and adverse infant outcomes showed inconsistencies across studies, in general, negative correlations between maternal PBDEs and infant birth weight, birth length and cephalic perimeter were seen, in few cases, after stratification by sex. Association between maternal PBDE and maternal biomarkers (N=18) suggested negative impact of PBDE exposure on markers relevant to neuro-endocrine system and inflammatory processes. The review findings identified potential associations between maternal PBDE and adverse maternal/infant health outcomes. Furthermore, PBDE-related biomarker changes suggest disturbances in maternal mechanisms relevant to endocrine disrupting properties of PBDEs. The observed study heterogeneity can be attributed to factors namely, sample size, study design and statistical analysis. Overall review findings imply the necessity for further research to validate PBDE exposure-related adverse maternal/infant health effects and to validate underlying toxicity mechanisms.
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Affiliation(s)
- J Gomes
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada.
| | - M Begum
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
| | - P Kumarathasan
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada; Environmental Health Science and Research Bureau, HECS, Health Canada, Ottawa, ON, Canada.
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Chen HJ, Galley JD, Verosky BG, Yang FT, Rajasekera TA, Bailey MT, Gur TL. Fetal CCL2 signaling mediates offspring social behavior and recapitulates effects of prenatal stress. Brain Behav Immun 2024; 115:308-318. [PMID: 37914098 PMCID: PMC10872760 DOI: 10.1016/j.bbi.2023.10.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 10/26/2023] [Accepted: 10/29/2023] [Indexed: 11/03/2023] Open
Abstract
Maternal stress during pregnancy is prevalent and associated with increased risk of neurodevelopmental disorders in the offspring. Maternal and offspring immune dysfunction has been implicated as a potential mechanism by which prenatal stress shapes offspring neurodevelopment; however, the impact of prenatal stress on the developing immune system has yet to be elucidated. Furthermore, there is evidence that the chemokine C-C motif chemokine ligand 2 (CCL2) plays a key role in mediating the behavioral sequelae of prenatal stress. Here, we use an established model of prenatal restraint stress in mice to investigate alterations in the fetal immune system, with a focus on CCL2. In the placenta, stress led to a reduction in CCL2 and Ccr2 expression with a concomitant decrease in leukocyte number. However, the fetal liver exhibited an inflammatory phenotype, with upregulation of Ccl2, Il6, and Lbp expression, along with an increase in pro-inflammatory Ly6CHi monocytes. Prenatal stress also disrupted chemokine signaling and increased the number of monocytes and microglia in the fetal brain. Furthermore, stress increased Il1b expression by fetal brain CD11b+ microglia and monocytes. Finally, intra-amniotic injections of recombinant mouse CCL2 partially recapitulated the social behavioral deficits in the adult offspring previously observed in the prenatal restraint stress model. Altogether, these data suggest that prenatal stress led to fetal inflammation, and that fetal CCL2 plays a role in shaping offspring social behavior.
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Affiliation(s)
- Helen J Chen
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Medical Scientist Training Program, The Ohio State University, Columbus, OH, United States
| | - Jeffrey D Galley
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Branden G Verosky
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Medical Scientist Training Program, The Ohio State University, Columbus, OH, United States
| | - Felix T Yang
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Medical Scientist Training Program, The Ohio State University, Columbus, OH, United States
| | - Therese A Rajasekera
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Michael T Bailey
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Center for Microbial Pathogenesis, The Research Institute, Nationwide Children's Hospital, Columbus, OH, United States; Biosciences Division, College of Dentistry, The Ohio State University, Columbus, OH, United States; Department of Pediatrics, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Tamar L Gur
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, OH, United States; Medical Scientist Training Program, The Ohio State University, Columbus, OH, United States; Department of Obstetrics & Gynecology, The Ohio State University Wexner Medical Center, Columbus OH, United States.
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Abramova O, Morozova A, Zubkov E, Ushakova V, Zorkina Y, Proshin AT, Storozheva Z, Gurina O, Chekhonin V. Ultrasound-Induced Prenatal Stress: New Possibilities for Modeling Mental Disorders. Dev Neurosci 2023; 46:237-261. [PMID: 37857257 PMCID: PMC11251674 DOI: 10.1159/000534687] [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: 03/01/2023] [Accepted: 10/06/2023] [Indexed: 10/21/2023] Open
Abstract
The development of animal models of mental disorders is an important task since such models are useful for studying the neurobiological mechanisms of psychopathologies and for trial of new therapeutic drugs. One way to model pathologies of the nervous system is to impair fetal neurodevelopment through stress of the pregnant future mother, or prenatal stress (PS). The use of variable frequency ultrasound (US) in rodents is a promising method of imitating psychological stress, to which women in modern society are most often subjected. The aim of our study was to investigate the effect of PS induced by exposure to variable frequency ultrasound (US PS) throughout the gestational period on the adult rat offspring, namely, to identify features of behavioral alterations and neurochemical brain parameters that can be associated with certain mental disorders in humans, to determine the possibility of creating a new model of psychopathology. Our study included a study of some behavioral characteristics of male and female rats in the elevated plus maze, open-field test, object recognition test, social interaction test, sucrose preference test, latent inhibition test, Morris water maze, forced swimming test, acoustic startle reflex, and prepulse inhibition tests. We also determined the activity of the serotonergic, dopaminergic, and noradrenergic neurotransmitter systems in the hippocampus and frontal cortex by HPLC-ED. Concentration of norepinephrine, dopamine, DOPAC, serotonin, and HIAA, as well as DOPAC/dopamine and HIAA/serotonin ratios were determined. A correlation analysis of behavioral and neurochemical parameters in male and female rats was performed based on the data obtained. The results of the study showed that US PS altered the behavioral phenotype of the rat offspring. US PS increased the level of anxious behavior, impaired orientation-research behavior, increased grooming activity, decreased the desire for social contacts, shifted behavioral reactions from social interaction to interaction with inanimate objects, impaired latent inhibition, and decreased the startle reflex. US PS activated the serotonergic, dopaminergic, and noradrenergic neurotransmitter systems of the rat frontal cortex and hippocampus. A correlation between neurochemical and behavioral parameters was revealed. Our study showed that US PS leads to a certain dysfunction on behavioral and neurochemical levels in rats that is most closely associated with symptoms of schizophrenia or autism. We hypothesize that this could potentially be an indicator of face validity for a model of psychopathology based on neurodevelopmental impairment.
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Affiliation(s)
- Olga Abramova
- Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
- Mental-health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Anna Morozova
- Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
- Mental-health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Eugene Zubkov
- Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
| | - Valeria Ushakova
- Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
- Mental-health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
- Department of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Yana Zorkina
- Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
- Mental-health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Andrey T. Proshin
- Laboratory of General Physiology of Functional Systems, P.K. Anokhin Institute of Normal Physiology, Moscow, Russia
| | - Zinaida Storozheva
- Laboratory of Functional Neurochemistry, P.K. Anokhin Institute of Normal Physiology, Moscow, Russia
| | - Olga Gurina
- Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
| | - Vladimir Chekhonin
- Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
- Department of Medical Nanobiotechnology, Pirogov Russian National Research Medical University, Moscow, Russia
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Woods R, Lorusso J, Fletcher J, ElTaher H, McEwan F, Harris I, Kowash H, D'Souza SW, Harte M, Hager R, Glazier JD. Maternal immune activation and role of placenta in the prenatal programming of neurodevelopmental disorders. Neuronal Signal 2023; 7:NS20220064. [PMID: 37332846 PMCID: PMC10273029 DOI: 10.1042/ns20220064] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 06/20/2023] Open
Abstract
Maternal infection during pregnancy, leading to maternal immune activation (mIA) and cytokine release, increases the offspring risk of developing a variety of neurodevelopmental disorders (NDDs), including schizophrenia. Animal models have provided evidence to support these mechanistic links, with placental inflammatory responses and dysregulation of placental function implicated. This leads to changes in fetal brain cytokine balance and altered epigenetic regulation of key neurodevelopmental pathways. The prenatal timing of such mIA-evoked changes, and the accompanying fetal developmental responses to an altered in utero environment, will determine the scope of the impacts on neurodevelopmental processes. Such dysregulation can impart enduring neuropathological changes, which manifest subsequently in the postnatal period as altered neurodevelopmental behaviours in the offspring. Hence, elucidation of the functional changes that occur at the molecular level in the placenta is vital in improving our understanding of the mechanisms that underlie the pathogenesis of NDDs. This has notable relevance to the recent COVID-19 pandemic, where inflammatory responses in the placenta to SARS-CoV-2 infection during pregnancy and NDDs in early childhood have been reported. This review presents an integrated overview of these collective topics and describes the possible contribution of prenatal programming through placental effects as an underlying mechanism that links to NDD risk, underpinned by altered epigenetic regulation of neurodevelopmental pathways.
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Affiliation(s)
- Rebecca M. Woods
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, U.K
| | - Jarred M. Lorusso
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, U.K
| | - Jennifer Fletcher
- Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Medicine, Biology and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, U.K
| | - Heidi ElTaher
- Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Medicine, Biology and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, U.K
- Department of Physiology, Faculty of Medicine, Alexandria University, Egypt
| | - Francesca McEwan
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, U.K
| | - Isabella Harris
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, U.K
| | - Hager M. Kowash
- Division of Developmental Biology and Medicine, School of Medical Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9WL, U.K
| | - Stephen W. D'Souza
- Division of Developmental Biology and Medicine, School of Medical Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9WL, U.K
| | - Michael Harte
- Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Medicine, Biology and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, U.K
| | - Reinmar Hager
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, U.K
| | - Jocelyn D. Glazier
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, U.K
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Mawson ER, Morris BJ. A consideration of the increased risk of schizophrenia due to prenatal maternal stress, and the possible role of microglia. Prog Neuropsychopharmacol Biol Psychiatry 2023; 125:110773. [PMID: 37116354 DOI: 10.1016/j.pnpbp.2023.110773] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 04/07/2023] [Accepted: 04/18/2023] [Indexed: 04/30/2023]
Abstract
Schizophrenia is caused by interaction of a combination of genetic and environmental factors. Of the latter, prenatal exposure to maternal stress is reportedly associated with elevated disease risk. The main orchestrators of inflammatory processes within the brain are microglia, and aberrant microglial activation/function has been proposed to contribute to the aetiology of schizophrenia. Here, we evaluate the epidemiological and preclinical evidence connecting prenatal stress to schizophrenia risk, and consider the possible mediating role of microglia in the prenatal stress-schizophrenia relationship. Epidemiological findings are rather consistent in supporting the association, albeit they are mitigated by effects of sex and gestational timing, while the evidence for microglial activation is more variable. Rodent models of prenatal stress generally report lasting effects on offspring neurobiology. However, many uncertainties remain as to the mechanisms underlying the influence of maternal stress on the developing foetal brain. Future studies should aim to characterise the exact processes mediating this aspect of schizophrenia risk, as well as focussing on how prenatal stress may interact with other risk factors.
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Affiliation(s)
- Eleanor R Mawson
- School of Psychology and Neuroscience, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK
| | - Brian J Morris
- School of Psychology and Neuroscience, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK.
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13
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Microbiota-immune-brain interactions: A lifespan perspective. Curr Opin Neurobiol 2023; 78:102652. [PMID: 36463579 DOI: 10.1016/j.conb.2022.102652] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 10/10/2022] [Accepted: 10/31/2022] [Indexed: 12/03/2022]
Abstract
There is growing appreciation of key roles of the gut microbiota in maintaining homeostasis and influencing brain and behaviour at critical windows across the lifespan. Mounting evidence suggests that communication between the gut and the brain could be the key to understanding multiple neuropsychiatric disorders, with the immune system coming to the forefront as an important mechanistic mediator. Throughout the lifespan, the immune system exchanges continuous reciprocal signals with the central nervous system. Intestinal microbial cues alter immune mediators with consequences for host neurophysiology and behaviour. Several factors challenge the gut microbiota composition, which in response release molecules with neuro- and immuno-active potential that are crucial for adequate neuro-immune interactions. In this review, multiple factors contributing to the upkeep of the fine balance between health and disease of these systems are discussed, and we elucidate the potential mechanistic implications for the gut microbiota inputs on host brain and behaviour across the lifespan.
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Barron A, Manna S, McElwain CJ, Musumeci A, McCarthy FP, O’Keeffe GW, McCarthy CM. Maternal pre-eclampsia serum increases neurite growth and mitochondrial function through a potential IL-6-dependent mechanism in differentiated SH-SY5Y cells. Front Physiol 2023; 13:1043481. [PMID: 36714304 PMCID: PMC9877349 DOI: 10.3389/fphys.2022.1043481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 12/28/2022] [Indexed: 01/15/2023] Open
Abstract
Introduction: Pre-eclampsia (PE) is a common and serious hypertensive disorder of pregnancy, which affects 3%-5% of first-time pregnancies and is a leading cause of maternal and neonatal morbidity and mortality. Prenatal exposure to PE is associated with an increased risk of neurodevelopmental disorders in affected offspring, although the cellular and molecular basis of this increased risk is largely unknown. Methods: Here, we examined the effects of exposure to maternal serum from women with PE or a healthy uncomplicated pregnancy on the survival, neurite growth and mitochondrial function of neuronally differentiated human SH-SY5Y neuroblastoma cells, which are commonly used to study neurite growth. Neurite growth and mitochondrial function are two strongly linked neurodevelopmental parameters in which alterations have been implicated in neurodevelopmental disorders. Following this, we investigated the pleiotropic cytokine interleukin-6 (IL-6) levels as a potential mechanism. Results: Cells exposed to 3% (v/v) PE serum for 72 h exhibited increased neurite growth (p < 0.05), which was validated in the human neural progenitor cell line, ReNcell® VM (p < 0.01), and mitochondrial respiration (elevated oxygen consumption rate (p < 0.05), basal mitochondrial respiration, proton leak, ATP synthesis, and non-mitochondrial respiration) compared to control serum-treated cells. ELISA analysis showed elevations in maternal IL-6 in PE sera (p < 0.05) and placental explants (p < 0.05). In support of this, SH-SY5Y cells exposed to 3% (v/v) PE serum for 24 h had increased phospho-STAT3 levels, which is a key intracellular mediator of IL-6 signalling (p < 0.05). Furthermore, treatment with anti-IL-6 neutralizing antibody blocked the effects of PE serum on neurite growth (p < 0.05), and exposure to IL-6 promoted neurite growth in SH-SY5Y cells (p < 0.01). Discussion: Collectively these data show elevated serum levels of maternal IL-6 in PE, which increases neurite growth and mitochondrial function in SH-SY5Y cells. This rationalizes the further study of IL-6 as a potential mediator between PE exposure and neurodevelopmental outcome in the offspring.
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Affiliation(s)
- Aaron Barron
- Department of Anatomy and Neuroscience, University College, Cork, Ireland,Department of Pharmacology and Therapeutics, University College Cork, Cork, Ireland
| | - Samprikta Manna
- Department of Pharmacology and Therapeutics, University College Cork, Cork, Ireland,Department of Obstetrics and Gynaecology, Cork University Maternity Hospital, Cork, Ireland
| | - Colm J. McElwain
- Department of Pharmacology and Therapeutics, University College Cork, Cork, Ireland
| | - Andrea Musumeci
- Department of Pharmacology and Therapeutics, University College Cork, Cork, Ireland
| | - Fergus P. McCarthy
- Department of Obstetrics and Gynaecology, Cork University Maternity Hospital, Cork, Ireland
| | - Gerard W. O’Keeffe
- Department of Anatomy and Neuroscience, University College, Cork, Ireland,Cork Neuroscience Centre, University College Cork, Cork, Ireland,*Correspondence: Gerard W. O’Keeffe, ; Cathal M. McCarthy,
| | - Cathal M. McCarthy
- Department of Pharmacology and Therapeutics, University College Cork, Cork, Ireland,*Correspondence: Gerard W. O’Keeffe, ; Cathal M. McCarthy,
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Arzuaga AL, Edmison DD, Mroczek J, Larson J, Ragozzino ME. Prenatal stress and fluoxetine exposure in mice differentially affect repetitive behaviors and synaptic plasticity in adult male and female offspring. Behav Brain Res 2023; 436:114114. [DOI: 10.1016/j.bbr.2022.114114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 08/17/2022] [Accepted: 09/11/2022] [Indexed: 10/14/2022]
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16
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Unnisa A, Greig NH, Kamal MA. Modelling the Interplay Between Neuron-Glia Cell Dysfunction and Glial Therapy in Autism Spectrum Disorder. Curr Neuropharmacol 2023; 21:547-559. [PMID: 36545725 PMCID: PMC10207919 DOI: 10.2174/1570159x21666221221142743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/27/2022] [Accepted: 12/01/2022] [Indexed: 12/24/2022] Open
Abstract
Autism spectrum disorder (ASD) is a complicated, interpersonally defined, static condition of the underdeveloped brain. Although the aetiology of autism remains unclear, disturbance of neuronglia interactions has lately been proposed as a significant event in the pathophysiology of ASD. In recent years, the contribution of glial cells to autism has been overlooked. In addition to neurons, glial cells play an essential role in mental activities, and a new strategy that emphasises neuron-glia interactions should be applied. Disturbance of neuron-glia connections has lately been proposed as a significant event in the pathophysiology of ASD because aberrant neuronal network formation and dysfunctional neurotransmission are fundamental to the pathology of the condition. In ASD, neuron and glial cell number changes cause brain circuits to malfunction and impact behaviour. A study revealed that reactive glial cells result in the loss of synaptic functioning and induce autism under inflammatory conditions. Recent discoveries also suggest that dysfunction or changes in the ability of microglia to carry out physiological and defensive functions (such as failure in synaptic elimination or aberrant microglial activation) may be crucial for developing brain diseases, especially autism. The cerebellum, white matter, and cortical regions of autistic patients showed significant microglial activation. Reactive glial cells result in the loss of synaptic functioning and induce autism under inflammatory conditions. Replacement of defective glial cells (Cell-replacement treatment), glial progenitor cell-based therapy, and medication therapy (inhibition of microglia activation) are all utilised to treat glial dysfunction. This review discusses the role of glial cells in ASD and the various potential approaches to treating glial cell dysfunction.
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Affiliation(s)
- Aziz Unnisa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Hail, Hail, KSA;
| | - Nigel H. Greig
- Drug Design & Development Section, Translational Gerontology Branch, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, MD 21224, USA
| | - Mohammad Amjad Kamal
- Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, China
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
- Enzymoics, Novel Global Community Educational Foundation, Peterlee place, Hebersham, NSW 2770, Australia
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McEwan F, Glazier JD, Hager R. The impact of maternal immune activation on embryonic brain development. Front Neurosci 2023; 17:1146710. [PMID: 36950133 PMCID: PMC10025352 DOI: 10.3389/fnins.2023.1146710] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 02/15/2023] [Indexed: 03/08/2023] Open
Abstract
The adult brain is a complex structure with distinct functional sub-regions, which are generated from an initial pool of neural epithelial cells within the embryo. This transition requires a number of highly coordinated processes, including neurogenesis, i.e., the generation of neurons, and neuronal migration. These take place during a critical period of development, during which the brain is particularly susceptible to environmental insults. Neurogenesis defects have been associated with the pathogenesis of neurodevelopmental disorders (NDDs), such as autism spectrum disorder and schizophrenia. However, these disorders have highly complex multifactorial etiologies, and hence the underlying mechanisms leading to aberrant neurogenesis continue to be the focus of a significant research effort and have yet to be established. Evidence from epidemiological studies suggests that exposure to maternal infection in utero is a critical risk factor for NDDs. To establish the biological mechanisms linking maternal immune activation (MIA) and altered neurodevelopment, animal models have been developed that allow experimental manipulation and investigation of different developmental stages of brain development following exposure to MIA. Here, we review the changes to embryonic brain development focusing on neurogenesis, neuronal migration and cortical lamination, following MIA. Across published studies, we found evidence for an acute proliferation defect in the embryonic MIA brain, which, in most cases, is linked to an acceleration in neurogenesis, demonstrated by an increased proportion of neurogenic to proliferative divisions. This is accompanied by disrupted cortical lamination, particularly in the density of deep layer neurons, which may be a consequence of the premature neurogenic shift. Although many aspects of the underlying pathways remain unclear, an altered epigenome and mitochondrial dysfunction are likely mechanisms underpinning disrupted neurogenesis in the MIA model. Further research is necessary to delineate the causative pathways responsible for the variation in neurogenesis phenotype following MIA, which are likely due to differences in timing of MIA induction as well as sex-dependent variation. This will help to better understand the underlying pathogenesis of NDDs, and establish therapeutic targets.
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18
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Long-term effects of prenatal stress on the development of prefrontal cortex in the adolescent offspring. J Chem Neuroanat 2022; 125:102169. [DOI: 10.1016/j.jchemneu.2022.102169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 09/25/2022] [Accepted: 10/06/2022] [Indexed: 11/23/2022]
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Emerging Role of Neuron-Glia in Neurological Disorders: At a Glance. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3201644. [PMID: 36046684 PMCID: PMC9423989 DOI: 10.1155/2022/3201644] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 08/05/2022] [Indexed: 11/18/2022]
Abstract
Based on the diverse physiological influence, the impact of glial cells has become much more evident on neurological illnesses, resulting in the origins of many diseases appearing to be more convoluted than previously happened. Since neurological disorders are often random and unknown, hence the construction of animal models is difficult to build, representing a small fraction of people with a gene mutation. As a result, an immediate necessity is grown to work within in vitro techniques for examining these illnesses. As the scientific community recognizes cell-autonomous contributions to a variety of central nervous system illnesses, therapeutic techniques involving stem cells for treating neurological diseases are gaining traction. The use of stem cells derived from a variety of sources is increasingly being used to replace both neuronal and glial tissue. The brain's energy demands necessitate the reliance of neurons on glial cells in order for it to function properly. Furthermore, glial cells have diverse functions in terms of regulating their own metabolic activities, as well as collaborating with neurons via secreted signaling or guidance molecules, forming a complex network of neuron-glial connections in health and sickness. Emerging data reveals that metabolic changes in glial cells can cause morphological and functional changes in conjunction with neuronal dysfunction under disease situations, highlighting the importance of neuron-glia interactions in the pathophysiology of neurological illnesses. In this context, it is required to improve our understanding of disease mechanisms and create potential novel therapeutics. According to research, synaptic malfunction is one of the features of various mental diseases, and glial cells are acting as key ingredients not only in synapse formation, growth, and plasticity but also in neuroinflammation and synaptic homeostasis which creates critical physiological capacity in the focused sensory system. The goal of this review article is to elaborate state-of-the-art information on a few glial cell types situated in the central nervous system (CNS) and highlight their role in the onset and progression of neurological disorders.
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Jin Q, Li J, Chen GY, Wu ZY, Liu XY, Liu Y, Chen L, Wu XY, Liu Y, Zhao X, Song YH. Network and Experimental Pharmacology to Decode the Action of Wendan Decoction Against Generalized Anxiety Disorder. Drug Des Devel Ther 2022; 16:3297-3314. [PMID: 36193286 PMCID: PMC9526509 DOI: 10.2147/dddt.s367871] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 09/10/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Qi Jin
- Graduate School, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Jie Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Guang-Yao Chen
- Graduate School, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Zi-Yu Wu
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100007, People’s Republic of China
| | - Xiao-Yu Liu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Yi Liu
- Humanities School, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Lin Chen
- Qihuang School, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Xin-Yi Wu
- Qihuang School, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Yan Liu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Xin Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
- Correspondence: Xin Zhao; Yue-Han Song, Email ;
| | - Yue-Han Song
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
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Altered Development of Prefrontal GABAergic Functions and Anxiety-like Behavior in Adolescent Offspring Induced by Prenatal Stress. Brain Sci 2022; 12:brainsci12081015. [PMID: 36009078 PMCID: PMC9406165 DOI: 10.3390/brainsci12081015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 07/18/2022] [Accepted: 07/28/2022] [Indexed: 11/17/2022] Open
Abstract
Maternal stress can afflict fetal brain development, putting the offspring at risk of cognitive deficits, including anxiety. The prefrontal cortex (PFC), a protracted maturing region, is notably affected by prenatal stress (PS). However, it remains unclear how PS interferes with the maturation of the GABAergic system, considering its functional adjustment in the PFC during adolescence. The present study thus investigated the long-lasting consequences of PS on the prefrontal GABAergic functions of adolescent offspring. Pregnant Sprague–Dawley rats were divided into controls and the PS group, which underwent restraint stress during the last week of gestation. Male pups from postnatal days (PND) 40–42 were submitted to the elevated plus maze (EPM) test. Proteins essentially involved in GABAergic signaling were then examined in PFC tissues, including the K+-Cl− cotransporter (KCC2), Na+-K+-Cl− cotransporter (NKCC1), α1 and α5 subunits of GABA type A receptors (GABAA receptors), and parvalbumin (PV), along with cAMP response element-binding protein phosphorylation (pCREB), which reacts in the plasticity regulation of PV-positive interneurons. The results revealed that the higher anxiety-like behavior of PS adolescent rats concurred with the significant decreases of the KCC2 and α1 subunits, with PV- and pCREB-lowered levels. The findings suggested that PS disrupts the continuance of PFC maturity by reducing the essential elements of GABAergic functions. These changes likely underlie the anxiety emerging in adolescence, possibly progressing to mental disorders.
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22
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Ramos-Méndez MA, Tovilla-Zárate CA, Juárez-Rojop IE, Villar-Soto M, Genis-Mendoza AD, González-Castro TB, López-Narváez ML, Martínez-Magaña JJ, Castillo-Avila RG, Villar-Juárez GE. Effect of risperidone on serum IL-6 levels in individuals with schizophrenia: a systematic review and meta-analysis. Int J Psychiatry Clin Pract 2022:1-8. [PMID: 35839173 DOI: 10.1080/13651501.2022.2100264] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
BACKGROUND Risperidone has been significant correlated with a direct effect of interleukin-6 (IL-6) levels in patients with schizophrenia. This fact allows the opportunity to link the probable immunomodulatory effect of antipsychotic medication. Specially, a proper functioning of IL-6 pathway plays a potential role in the treatment or development of schizophrenia. OBJECTIVE Our primary aim was to perform a systematic review and meta-analysis to determine the effect of risperidone on IL-6 levels in individuals with schizophrenia. METHODS Studies were identified through a systematic search using PubMed, Scopus, and Web of Science databases. The articles found were subjected to the inclusion and exclusion criteria; then, the mean and standardised differences were extracted to calculate the standardised mean differences using the CMA software. RESULTS IL-6 levels in individuals with schizophrenia were compared before and after receiving risperidone as treatment. Increased levels of IL-6 levels were observed in individuals with schizophrenia who received risperidone (point estimate 0.249, lower limit 0.042, upper limit 0.455, p-value 0.018). In the Asian population sub-analysis, no statistically significant differences were observed (point estimate 0.103, lower limit -0.187, upper limit 0.215, p value 0.890). When we compared individuals with schizophrenia to the control groups, a significant increase of IL-6 levels was observed in the group with schizophrenia (point estimate 0.248, lower limit 0.024, upper limit 0.472, p-value 0.30). CONCLUSIONS Risperidone appears to play an important role in IL-6 levels in schizophrenia. Potential implications of increased IL-6 levels in people with schizophrenia should be considered in future studies.KEY POINTSIncreased levels of IL-6 levels were observed in individuals with schizophrenia who received risperidone.Risperidone appears to play an important role in IL-6 levels in schizophrenia.This study could serve for future research focussed on IL-6.
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Affiliation(s)
- Miguel Angel Ramos-Méndez
- División Académica de Ciencias de la Salud, Universidad Juárez Autónoma de Tabasco, Villahermosa, Mexico
| | | | - Isela Esther Juárez-Rojop
- División Académica de Ciencias de la Salud, Universidad Juárez Autónoma de Tabasco, Villahermosa, Mexico
| | - Mario Villar-Soto
- Hospital Regional de Alta Especialidad de Salud Mental, Villahermosa, Mexico
| | - Alma Delia Genis-Mendoza
- Laboratorio de Genómica de Enfermedades Psiquiátricas y Neurodegenerativas, Instituto Nacional de Medicina Genómica, Ciudad de México, Mexico
| | - Thelma Beatriz González-Castro
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Jalpa de Méndez, Mexico
| | - María Lilia López-Narváez
- Hospital Chiapas Nos Une Dr. Gilberto Gómez Maza, Secretaría de Salud de Chiapas, Tuxtla Gutiérrez, Mexico
| | - José Jaime Martínez-Magaña
- Laboratorio de Genómica de Enfermedades Psiquiátricas y Neurodegenerativas, Instituto Nacional de Medicina Genómica, Ciudad de México, Mexico
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23
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Avolio E, Olivito I, Rosina E, Romano L, Angelone T, Bartolo Anna D, Scimeca M, Bellizzi D, D'Aquila P, Passarino G, Alò R, Maria Facciolo R, Bagni C, De Lorenzo A, Canonaco M. Modifications of behavior and inflammation in mice following transplant with fecal microbiota from children with autism. Neuroscience 2022; 498:174-189. [DOI: 10.1016/j.neuroscience.2022.06.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 06/23/2022] [Accepted: 06/28/2022] [Indexed: 10/17/2022]
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24
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Pan L, Nian H, Zhang R, Liu H, Li C, Wei H, Yi R, Li J, Li X, Bao J. Stereotypic behaviors are associated with physiology and immunity differences in long-term confined sows. Physiol Behav 2022; 249:113776. [PMID: 35276120 DOI: 10.1016/j.physbeh.2022.113776] [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: 06/15/2021] [Revised: 03/07/2022] [Accepted: 03/07/2022] [Indexed: 11/25/2022]
Abstract
Pregnant sows in the confined environment have poor welfare and frequently perform stereotypic behaviors. In order to clarify whether highly stereotypic behavior is a sign of increased stress and successfully contributes to coping with or adaptation to adverse environment, fifty pregnant sows (Large White × Landrace) housed in stalls were selected to observe behaviors and analyze physiological parameters [cortisol, major acute phase protein (Pig-MAP) and C-reactive protein (CRP)], and immunological parameters [immunoglobin A (IgA), immunoglobin G (IgG), interleukin 6 (IL-6), interleukin 10 (IL-10), tumor necrosis factor alpha (TNF-α) and interferon gamma (IFN-γ)] in early, middle and late gestation (27th, 62nd and 91st day). A repeated-measures analysis and Friedman test was performed to analyze the differences of behaviors and physiological and immunological parameters. The results showed that lateral lying behavior increased significantly with the progress of sows' gestation, while standing and ventral lying behaviors significantly decreased (p < 0.05). Sham-chewing, bar-biting, trough-biting and rooting behaviors significantly reduced (p < 0.05). Furthermore, there was no significant difference in physiological and immune levels in different gestational periods (p > 0.05). The results also indicated that sham-chewing behavior was positively correlated with serum cortisol, IL-6, IL-10, and negatively correlated with serum IFN-γ in each gestational period (p < 0.05). Trough-biting behavior was positively correlated with serum TNF-α in middle and late gestation (p < 0.05). Rooting behavior was positively correlated with serum IgG in each gestational period, and positively correlated with serum Pig-MAP, IL-6, and IL-10 in middle and late gestation (p < 0.05). In conclusion, the sows with a high incidence of stereotypic behaviors tried to improve stress and humoral immunity to cope with the confined environment, and long-term confined sows might be in a chronic stress state.
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Affiliation(s)
- Lei Pan
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Swine Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China
| | - Haoyang Nian
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Swine Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China
| | - Runxiang Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Honggui Liu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Swine Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China
| | - Chun Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Haidong Wei
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Ran Yi
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Jianhong Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Xiang Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Swine Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China.
| | - Jun Bao
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Swine Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China.
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25
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Cattane N, Vernon AC, Borsini A, Scassellati C, Endres D, Capuron L, Tamouza R, Benros ME, Leza JC, Pariante CM, Riva MA, Cattaneo A. Preclinical animal models of mental illnesses to translate findings from the bench to the bedside: Molecular brain mechanisms and peripheral biomarkers associated to early life stress or immune challenges. Eur Neuropsychopharmacol 2022; 58:55-79. [PMID: 35235897 DOI: 10.1016/j.euroneuro.2022.02.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 01/31/2022] [Accepted: 02/02/2022] [Indexed: 02/07/2023]
Abstract
Animal models are useful preclinical tools for studying the pathogenesis of mental disorders and the effectiveness of their treatment. While it is not possible to mimic all symptoms occurring in humans, it is however possible to investigate the behavioral, physiological and neuroanatomical alterations relevant for these complex disorders in controlled conditions and in genetically homogeneous populations. Stressful and infection-related exposures represent the most employed environmental risk factors able to trigger or to unmask a psychopathological phenotype in animals. Indeed, when occurring during sensitive periods of brain maturation, including pre, postnatal life and adolescence, they can affect the offspring's neurodevelopmental trajectories, increasing the risk for mental disorders. Not all stressed or immune challenged animals, however, develop behavioral alterations and preclinical animal models can explain differences between vulnerable or resilient phenotypes. Our review focuses on different paradigms of stress (prenatal stress, maternal separation, social isolation and social defeat stress) and immune challenges (immune activation in pregnancy) and investigates the subsequent alterations in several biological and behavioral domains at different time points of animals' life. It also discusses the "double-hit" hypothesis where an initial early adverse event can prime the response to a second negative challenge. Interestingly, stress and infections early in life induce the activation of the hypothalamic-pituitary-adrenal (HPA) axis, alter the levels of neurotransmitters, neurotrophins and pro-inflammatory cytokines and affect the functions of microglia and oxidative stress. In conclusion, animal models allow shedding light on the pathophysiology of human mental illnesses and discovering novel molecular drug targets for personalized treatments.
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Affiliation(s)
- Nadia Cattane
- Biological Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Anthony C Vernon
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; MRC Centre for Neurodevelopmental Disorders, King's College London, United Kingdom
| | - Alessandra Borsini
- Stress, Psychiatry and Immunology Laboratory, Institute of Psychiatry, Psychology and Neuroscience, Department of Psychological Medicine, King's College London, United Kingdom
| | - Catia Scassellati
- Biological Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Dominique Endres
- Department of Psychiatry and Psychotherapy, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Lucile Capuron
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeuro, UMR 1286, F-33000, Bordeaux, France
| | - Ryad Tamouza
- Département Medico-Universitaire de Psychiatrie et d'Addictologie (DMU ADAPT), Laboratoire Neuro-psychiatrie translationnelle, AP-HP, UniversitéParis Est Créteil, INSERM U955, IMRB, Hôpital Henri Mondor, Fondation FondaMental, F-94010 Créteil, France
| | - Michael Eriksen Benros
- Biological and Precision Psychiatry, Copenhagen Research Centre for Mental Health, Copenhagen University Hospital, Gentofte Hospitalsvej 15, 4th floor, 2900 Hellerup, Denmark; Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen N, Denmark
| | - Juan C Leza
- Department of Pharmacology & Toxicology, Faculty of Medicine, Universidad Complutense de Madrid (UCM), Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Investigación Hospital 12 de Octubre (i+12), IUIN-UCM. Spain
| | - Carmine M Pariante
- Stress, Psychiatry and Immunology Laboratory, Institute of Psychiatry, Psychology and Neuroscience, Department of Psychological Medicine, King's College London, United Kingdom
| | - Marco A Riva
- Biological Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy; Department of Pharmacological and Biomolecular Sciences, University of Milan, Italy
| | - Annamaria Cattaneo
- Biological Psychiatry Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy; Department of Pharmacological and Biomolecular Sciences, University of Milan, Italy.
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26
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Elgueta D, Murgas P, Riquelme E, Yang G, Cancino GI. Consequences of Viral Infection and Cytokine Production During Pregnancy on Brain Development in Offspring. Front Immunol 2022; 13:816619. [PMID: 35464419 PMCID: PMC9021386 DOI: 10.3389/fimmu.2022.816619] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 03/02/2022] [Indexed: 12/12/2022] Open
Abstract
Infections during pregnancy can seriously damage fetal neurodevelopment by aberrantly activating the maternal immune system, directly impacting fetal neural cells. Increasing evidence suggests that these adverse impacts involve alterations in neural stem cell biology with long-term consequences for offspring, including neurodevelopmental disorders such as autism spectrum disorder, schizophrenia, and cognitive impairment. Here we review how maternal infection with viruses such as Influenza A, Cytomegalovirus, and Zika during pregnancy can affect the brain development of offspring by promoting the release of maternal pro-inflammatory cytokines, triggering neuroinflammation of the fetal brain, and/or directly infecting fetal neural cells. In addition, we review insights into how these infections impact human brain development from studies with animal models and brain organoids. Finally, we discuss how maternal infection with SARS-CoV-2 may have consequences for neurodevelopment of the offspring.
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Affiliation(s)
- Daniela Elgueta
- Center for Integrative Biology, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
| | - Paola Murgas
- Center for Integrative Biology, Facultad de Ciencias, Universidad Mayor, Santiago, Chile.,Escuela de Tecnología Médica, Facultad de Ciencias, Universidad Mayor, Santiago, Chile.,Escuela de Biotecnología, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
| | - Erick Riquelme
- Center for Integrative Biology, Facultad de Ciencias, Universidad Mayor, Santiago, Chile.,Escuela de Tecnología Médica, Facultad de Ciencias, Universidad Mayor, Santiago, Chile.,Escuela de Biotecnología, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
| | - Guang Yang
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Alberta Children's Hospital Research Institute, Calgary, AB, Canada
| | - Gonzalo I Cancino
- Center for Integrative Biology, Facultad de Ciencias, Universidad Mayor, Santiago, Chile.,Escuela de Biotecnología, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
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27
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Magalhaes MS, Potter HG, Ahlback A, Gentek R. Developmental programming of macrophages by early life adversity. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2022; 368:213-259. [PMID: 35636928 DOI: 10.1016/bs.ircmb.2022.02.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Macrophages are central elements of all organs, where they have a multitude of physiological and pathological functions. The first macrophages are produced during fetal development, and most adult organs retain populations of fetal-derived macrophages that self-maintain without major input of hematopoietic stem cell-derived monocytes. Their developmental origins make macrophages highly susceptible to environmental perturbations experienced in early life, in particular the fetal period. It is now well recognized that such adverse developmental conditions contribute to a wide range of diseases later in life. This chapter explores the notion that macrophages are key targets of environmental adversities during development, and mediators of their long-term impact on health and disease. We first briefly summarize our current understanding of macrophage ontogeny and their biology in tissues and consider potential mechanisms by which environmental stressors may mediate fetal programming. We then review evidence for programming of macrophages by adversities ranging from maternal immune activation and diet to environmental pollutants and toxins, which have disease relevance for different organ systems. Throughout this chapter, we contemplate appropriate experimental strategies to study macrophage programming. We conclude by discussing how our current knowledge of macrophage programming could be conceptualized, and finally highlight open questions in the field and approaches to address them.
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Affiliation(s)
- Marlene S Magalhaes
- Centre for Inflammation Research & Centre for Reproductive Health, Queens Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Harry G Potter
- Centre for Inflammation Research & Centre for Reproductive Health, Queens Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Anna Ahlback
- Centre for Inflammation Research & Centre for Reproductive Health, Queens Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Rebecca Gentek
- Centre for Inflammation Research & Centre for Reproductive Health, Queens Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom.
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28
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Costa TJ, De Oliveira JC, Giachini FR, Lima VV, Tostes RC, Bomfim GF. Programming of Vascular Dysfunction by Maternal Stress: Immune System Implications. Front Physiol 2022; 13:787617. [PMID: 35360231 PMCID: PMC8961444 DOI: 10.3389/fphys.2022.787617] [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: 10/04/2021] [Accepted: 01/13/2022] [Indexed: 11/13/2022] Open
Abstract
A growing body of evidence highlights that several insults during pregnancy impact the vascular function and immune response of the male and female offspring. Overactivation of the immune system negatively influences cardiovascular function and contributes to cardiovascular disease. In this review, we propose that modulation of the immune system is a potential link between prenatal stress and offspring vascular dysfunction. Glucocorticoids are key mediators of stress and modulate the inflammatory response. The potential mechanisms whereby prenatal stress negatively impacts vascular function in the offspring, including poor hypothalamic–pituitary–adrenal axis regulation of inflammatory response, activation of Th17 cells, renin–angiotensin–aldosterone system hyperactivation, reactive oxygen species imbalance, generation of neoantigens and TLR4 activation, are discussed. Alterations in the immune system by maternal stress during pregnancy have broad relevance for vascular dysfunction and immune-mediated diseases, such as cardiovascular disease.
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Affiliation(s)
- Tiago J. Costa
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Júlio Cezar De Oliveira
- Health Education Research Center (NUPADS), Institute of Health Sciences, Federal University of Mato Grosso, Sinop, Brazil
| | - Fernanda Regina Giachini
- Institute of Biological Sciences and Health, Federal University of Mato Grosso, Barra do Garças, Brazil
| | - Victor Vitorino Lima
- Institute of Biological Sciences and Health, Federal University of Mato Grosso, Barra do Garças, Brazil
| | - Rita C. Tostes
- Health Education Research Center (NUPADS), Institute of Health Sciences, Federal University of Mato Grosso, Sinop, Brazil
| | - Gisele Facholi Bomfim
- Health Education Research Center (NUPADS), Institute of Health Sciences, Federal University of Mato Grosso, Sinop, Brazil
- *Correspondence: Gisele Facholi Bomfim,
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29
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Surakul P, Chutabhakdikul N, Vanichviriyakit R, Promthep K, Thangnipon W. Maternal Stress Induced Autophagy Dysfunction and Immune Activation in the Hippocampus of Adolescence Rat Pups. J Chem Neuroanat 2022; 121:102085. [DOI: 10.1016/j.jchemneu.2022.102085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 02/07/2022] [Accepted: 03/01/2022] [Indexed: 11/24/2022]
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30
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Kwon HK, Choi GB, Huh JR. Maternal inflammation and its ramifications on fetal neurodevelopment. Trends Immunol 2022; 43:230-244. [PMID: 35131181 PMCID: PMC9005201 DOI: 10.1016/j.it.2022.01.007] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 01/06/2022] [Accepted: 01/07/2022] [Indexed: 12/12/2022]
Abstract
Exposure to heightened inflammation in pregnancy caused by infections or other inflammatory insults has been associated with the onset of neurodevelopmental and psychiatric disorders in children. Rodent models have provided unique insights into how this maternal immune activation (MIA) disrupts brain development. Here, we discuss the key immune factors involved, highlight recent advances in determining the molecular and cellular pathways of MIA, and review how the maternal immune system affects fetal development. We also examine the roles of microbiomes in shaping maternal immune function and the development of autism-like phenotypes. A comprehensive understanding of the gut bacteria-immune-neuro interaction in MIA is essential for developing diagnostic and therapeutic measures for high-risk pregnant women and identifying targets for treating inflammation-induced neurodevelopmental disorders.
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Affiliation(s)
- Ho-Keun Kwon
- Department of Microbiology and Immunology, Institute for Immunology and Immunological Diseases and Brain Korea 21 PLUS Project for Medical Sciences, Yonsei University College of Medicine, Seoul, Korea; Pohang University of Science and Technology, Pohang, Korea.
| | - Gloria B. Choi
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Jun R. Huh
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA 02115, USA.,Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women’s Hospital, Boston, MA 02115, USA.,Correspondence: Ho-Keun Kwon () and Jun R. Huh ()
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31
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Davis JLB, O’Connor M, Erlbacher H, Schlichte SL, Stevens HE. The Impact of Maternal Antioxidants on Prenatal Stress Effects on Offspring Neurobiology and Behavior. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2022; 95:87-104. [PMID: 35370489 PMCID: PMC8961714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Prenatal stress is a neuropsychiatric risk factor, and effects may be mediated by prenatal oxidative stress. Cell types in the brain sensitive to oxidative stress-cortical microglia and cortical and hippocampal interneurons-may be altered by oxidative stress generated during prenatal stress and may be neurobiological substrates for altered behavior. Our objective was to determine the critical nature of oxidative stress in prenatal stress effects by manipulating prenatal antioxidants. CD1 mouse dams underwent restraint embryonic day 12 to 18 three times daily or no stress and received intraperitoneal injections before each stress period of vehicle, N-acetylcysteine (200 mg/kg daily), or astaxanthin (30 mg/kg before first daily stress, 10 mg/kg before second/third stresses). Adult male and female offspring behavior, microglia, and interneurons were assessed. Results supported the hypothesis that prenatal stress-induced oxidative stress affects microglia; microglia ramification increased after prenatal stress, and both antioxidants prevented these effects. In addition, N-acetylcysteine or astaxanthin was effective in preventing distinct male and female interneuron changes; decreased female medial frontal cortical parvalbumin interneurons was prevented by either antioxidant; increased male medial frontal cortical parvalbumin interneurons was prevented by N-acetylcysteine and decreased male hippocampal GAD67GFP+ cells prevented by astaxanthin. Prenatal stress-induced increased anxiety-like behavior and decreased sociability were not prevented by prenatal antioxidants. Sensorimotor gating deficits in males was partially prevented by prenatal astaxanthin. This study demonstrates the importance of oxidative stress for persistent impacts on offspring cortical microglia and interneurons, but did not link these changes with anxiety-like, social, and sensorimotor gating behaviors.
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Affiliation(s)
- Jada L-B Davis
- Department of Psychiatry, University of Iowa, Iowa
City, IA, USA
- Interdisciplinary Graduate Program in Neuroscience,
University of Iowa, Iowa City, IA, USA
| | - Mara O’Connor
- Department of Psychiatry, University of Iowa, Iowa
City, IA, USA
| | - Hannah Erlbacher
- Department of Psychiatry, University of Iowa, Iowa
City, IA, USA
| | | | - Hanna E. Stevens
- Department of Psychiatry, University of Iowa, Iowa
City, IA, USA
- Interdisciplinary Graduate Program in Neuroscience,
University of Iowa, Iowa City, IA, USA
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32
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Schroeder R, Nguyen L, Pieper AA, Stevens HE. Maternal treatment with P7C3-A20 protects from impaired maternal care after chronic gestational stress. Behav Brain Res 2022; 416:113558. [PMID: 34453970 PMCID: PMC8573727 DOI: 10.1016/j.bbr.2021.113558] [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: 05/25/2021] [Revised: 08/04/2021] [Accepted: 08/23/2021] [Indexed: 01/09/2023]
Abstract
Chronic stress during pregnancy harms both the mother and developing child, and there is an urgent unmet need to understand this process in order to develop protective treatments. Here, we report that chronic gestational stress (CGS) causes aberrant maternal care behavior in the form of increased licking and grooming, decreased nursing, and increased time spent nest building. Treatment of CGS-exposed dams with the NAD+-stabilizing agent P7C3-A20 during pregnancy and postpartum, however, preserved normal maternal care behavior. CGS also caused abnormally low weight gain during gestation and postpartum, which was partially ameliorated by maternal treatment with P7C3-A20. Dams also displayed hyperactive locomotion after CGS, which was not affected by P7C3-A20. Although dams did not display a classic depressive-like phenotype after CGS, some changes in anxiety- and depressive-like behaviors were observed. Our results highlight the need for further characterization of the effects of chronic gestational stress on maternal care behavior and provide clues to possible protective mechanisms.
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Affiliation(s)
- Rachel Schroeder
- Department of Psychiatry, University of Iowa, Iowa City, IA,Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, IA
| | - Lynn Nguyen
- Department of Psychiatry, University of Iowa, Iowa City, IA
| | - Andrew A. Pieper
- Harrington Discovery Institute, University Hospitals Cleveland Medical Center, Cleveland, OH 44106 USA,Department of Psychiatry, Case Western Reserve University,Department of Neuroscience, Case Western Reserve University, Cleveland, OH 44106 USA,University of Texas Southwestern Medical Center, Dallas, Texas USA,Institute for Transformative Molecular Medicine, School of Medicine, Case Western Reserve University, Cleveland, OH, USA,Geriatric Research Education and Clinical Centers, Louis Stokes Cleveland VAMC, Cleveland, OH 44106 USA,Weill Cornell Autism Research Program, Weill Cornell Medicine of Cornell University, NY, NY, USA
| | - Hanna E. Stevens
- Department of Psychiatry, University of Iowa, Iowa City, IA,Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, IA
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33
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Sato A, Kotajima-Murakami H, Tanaka M, Katoh Y, Ikeda K. Influence of Prenatal Drug Exposure, Maternal Inflammation, and Parental Aging on the Development of Autism Spectrum Disorder. Front Psychiatry 2022; 13:821455. [PMID: 35222122 PMCID: PMC8863673 DOI: 10.3389/fpsyt.2022.821455] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 01/12/2022] [Indexed: 12/17/2022] Open
Abstract
Autism spectrum disorder (ASD) affects reciprocal social interaction and produces abnormal repetitive, restrictive behaviors and interests. The diverse causes of ASD are divided into genetic alterations and environmental risks. The prevalence of ASD has been rising for several decades, which might be related to environmental risks as it is difficult to consider that the prevalence of genetic disorders related to ASD would increase suddenly. The latter includes (1) exposure to medications, such as valproic acid (VPA) and selective serotonin reuptake inhibitors (SSRIs) (2), maternal complications during pregnancy, including infection and hypertensive disorders of pregnancy, and (3) high parental age. Epidemiological studies have indicated a pathogenetic role of prenatal exposure to VPA and maternal inflammation in the development of ASD. VPA is considered to exert its deleterious effects on the fetal brain through several distinct mechanisms, such as alterations of γ-aminobutyric acid signaling, the inhibition of histone deacetylase, the disruption of folic acid metabolism, and the activation of mammalian target of rapamycin. Maternal inflammation that is caused by different stimuli converges on a higher load of proinflammatory cytokines in the fetal brain. Rodent models of maternal exposure to SSRIs generate ASD-like behavior in offspring, but clinical correlations with these preclinical findings are inconclusive. Hypertensive disorders of pregnancy and advanced parental age increase the risk of ASD in humans, but the mechanisms have been poorly investigated in animal models. Evidence of the mechanisms by which environmental factors are related to ASD is discussed, which may contribute to the development of preventive and therapeutic interventions for ASD.
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Affiliation(s)
- Atsushi Sato
- Department of Pediatrics, The University of Tokyo Hospital, Tokyo, Japan.,Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | | | - Miho Tanaka
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan.,Department of Psychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yoshihisa Katoh
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan.,Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kazutaka Ikeda
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
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34
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Voznyuk I, Pivovarova L, Gogoleva E, Osipova I, Ariskina O, Morozova E, Chernyavsky I, Markelova E. Biomarkers of brain damage and inflammation in patients with acute cerebral ischemia. Zh Nevrol Psikhiatr Im S S Korsakova 2022; 122:54-60. [DOI: 10.17116/jnevro202212208254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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35
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Zawadzka A, Cieślik M, Adamczyk A. The Role of Maternal Immune Activation in the Pathogenesis of Autism: A Review of the Evidence, Proposed Mechanisms and Implications for Treatment. Int J Mol Sci 2021; 22:ijms222111516. [PMID: 34768946 PMCID: PMC8584025 DOI: 10.3390/ijms222111516] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 10/21/2021] [Accepted: 10/22/2021] [Indexed: 12/15/2022] Open
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disease that is characterized by a deficit in social interactions and communication, as well as repetitive and restrictive behaviors. Increasing lines of evidence suggest an important role for immune dysregulation and/or inflammation in the development of ASD. Recently, a relationship between inflammation, oxidative stress, and mitochondrial dysfunction has been reported in the brain tissue of individuals with ASD. Some recent studies have also reported oxidative stress and mitochondrial abnormalities in animal models of maternal immune activation (MIA). This review is focused on the hypothesis that MIA induces microglial activation, oxidative stress, and mitochondrial dysfunction, a deleterious trio in the brain that can lead to neuroinflammation and neurodevelopmental pathologies in offspring. Infection during pregnancy activates the mother’s immune system to release proinflammatory cytokines, such as IL-6, TNF-α, and others. Furthermore, these cytokines can directly cross the placenta and enter the fetal circulation, or activate resident immune cells, resulting in an increased production of proinflammatory cytokines, including IL-6. Proinflammatory cytokines that cross the blood–brain barrier (BBB) may initiate a neuroinflammation cascade, starting with the activation of the microglia. Inflammatory processes induce oxidative stress and mitochondrial dysfunction that, in turn, may exacerbate oxidative stress in a self-perpetuating vicious cycle that can lead to downstream abnormalities in brain development and behavior.
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Affiliation(s)
| | - Magdalena Cieślik
- Correspondence: (M.C.); (A.A.); Tel.: +48-22-6086420 (M.C.); +48-22-6086572 (A.A.)
| | - Agata Adamczyk
- Correspondence: (M.C.); (A.A.); Tel.: +48-22-6086420 (M.C.); +48-22-6086572 (A.A.)
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O'Connor TG, Ciesla AA. Maternal Immune Activation Hypotheses for Human Neurodevelopment: Some Outstanding Questions. BIOLOGICAL PSYCHIATRY: COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2021; 7:471-479. [PMID: 34688920 PMCID: PMC9021321 DOI: 10.1016/j.bpsc.2021.10.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/05/2021] [Accepted: 10/13/2021] [Indexed: 12/17/2022]
Abstract
The Maternal Immune Activation (MIA) hypothesis is a leading model for understanding prenatal influences on individual differences in, and clinical syndromes of, neurodevelopment. Experimental animal and human research has proliferated in recent years, and there is now a sizable research base. Several meta-analyses demonstrate general support for an association between prenatal immune activation and neurodevelopment in human research. However, questions remain about the nature of the immune activation, the network of underlying mechanisms involved, and the breadth of impact across behavioral phenotypes. Complementing recent reviews of results, the current review places particular emphasis on how advances in understanding mechanisms may be improved with greater attention to addressing the methodological variation and limitations of existing studies, and identifies areas for further clinical research.
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Affiliation(s)
- Thomas G O'Connor
- Department of Psychiatry, University of Rochester; Department of Psycholog, University of Rochestery; Department of Neuroscience, University of Rochester; Department of Obstetrics and Gynecology, University of Rochester; Wynne Center for Family Research, University of Rochester.
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Schroeder R, Sridharan P, Nguyen L, Loren A, Williams NS, Kettimuthu KP, Cintrón-Pérez CJ, Vázquez-Rosa E, Pieper AA, Stevens HE. Maternal P7C3-A20 Treatment Protects Offspring from Neuropsychiatric Sequelae of Prenatal Stress. Antioxid Redox Signal 2021; 35:511-530. [PMID: 33501899 PMCID: PMC8388250 DOI: 10.1089/ars.2020.8227] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Aims: Impaired embryonic cortical interneuron development from prenatal stress is linked to adult neuropsychiatric impairment, stemming in part from excessive generation of reactive oxygen species in the developing embryo. Unfortunately, there are no preventive medicines that mitigate the risk of prenatal stress to the embryo, as the underlying pathophysiologic mechanisms are poorly understood. Our goal was to interrogate the molecular basis of prenatal stress-mediated damage to the embryonic brain to identify a neuroprotective strategy. Results: Chronic prenatal stress in mice dysregulated nicotinamide adenine dinucleotide (NAD+) synthesis enzymes and cortical interneuron development in the embryonic brain, leading to axonal degeneration in the hippocampus, cognitive deficits, and depression-like behavior in adulthood. Offspring were protected from these deleterious effects by concurrent maternal administration of the NAD+-modulating agent P7C3-A20, which crossed the placenta to access the embryonic brain. Prenatal stress also produced axonal degeneration in the adult corpus callosum, which was not prevented by maternal P7C3-A20. Innovation: Prenatal stress dysregulates gene expression of NAD+-synthesis machinery and GABAergic interneuron development in the embryonic brain, which is associated with adult cognitive impairment and depression-like behavior. We establish a maternally directed treatment that protects offspring from these effects of prenatal stress. Conclusion: NAD+-synthesis machinery and GABAergic interneuron development are critical to proper embryonic brain development underlying postnatal neuropsychiatric functioning, and these systems are highly susceptible to prenatal stress. Pharmacologic stabilization of NAD+ in the stressed embryonic brain may provide a neuroprotective strategy that preserves normal embryonic development and protects offspring from neuropsychiatric impairment. Antioxid. Redox Signal. 35, 511-530.
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Affiliation(s)
- Rachel Schroeder
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA.,Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, Iowa, USA
| | - Preethy Sridharan
- Harrington Discovery Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA.,Department of Psychiatry and Case Western Reserve University, Cleveland, Ohio, USA.,Department of Neuroscience, Case Western Reserve University, Cleveland, Ohio, USA
| | - Lynn Nguyen
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
| | - Alexandra Loren
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
| | - Noelle S Williams
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Kavitha P Kettimuthu
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Coral J Cintrón-Pérez
- Harrington Discovery Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA.,Department of Psychiatry and Case Western Reserve University, Cleveland, Ohio, USA
| | - Edwin Vázquez-Rosa
- Harrington Discovery Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA.,Department of Psychiatry and Case Western Reserve University, Cleveland, Ohio, USA
| | - Andrew A Pieper
- Harrington Discovery Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA.,Department of Psychiatry and Case Western Reserve University, Cleveland, Ohio, USA.,Department of Neuroscience, Case Western Reserve University, Cleveland, Ohio, USA.,Institute for Transformative Molecular Medicine, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA.,Geriatric Research Education and Clinical Centers, Louis Stokes Cleveland VAMC, Cleveland, Ohio, USA.,Weill Cornell Autism Research Program, Weill Cornell Medicine of Cornell University, New York, New York, USA
| | - Hanna E Stevens
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA.,Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, Iowa, USA
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Roshan-Milani S, Seyyedabadi B, Saboory E, Parsamanesh N, Mehranfard N. Prenatal stress and increased susceptibility to anxiety-like behaviors: role of neuroinflammation and balance between GABAergic and glutamatergic transmission. Stress 2021; 24:481-495. [PMID: 34180763 DOI: 10.1080/10253890.2021.1942828] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Neuroplasticity during the prenatal period allows neurons to regenerate anatomically and functionally for re-programming the brain development. During this critical period of fetal programming, the fetus phenotype can change in accordance with environmental stimuli such as stress exposure. Prenatal stress (PS) can exert important effects on brain development and result in permanent alterations with long-lasting consequences on the physiology and behavior of the offspring later in life. Neuroinflammation, as well as GABAergic and glutamatergic dysfunctions, has been implicated as potential mediators of behavioral consequences of PS. Hyperexcitation, due to enhanced excitatory transmission or reduced inhibitory transmission, can promote anxiety. Alterations of the GABAergic and/or glutamatergic signaling during fetal development lead to a severe excitatory/inhibitory imbalance in neuronal circuits, a condition that may account for PS-precipitated anxiety-like behaviors. This review summarizes experimental evidence linking PS to an elevated risk to anxiety-like behaviors and interprets the role of the neuroinflammation and alterations of the brain GABAergic and glutamatergic transmission in this phenomenon. We hypothesize this is an imbalance in GABAergic and glutamatergic circuits (as a direct or indirect consequence of neuroinflammation), which at least partially contributes to PS-precipitated anxiety-like behaviors and primes the brain to be vulnerable to anxiety disorders. Therefore, pharmacological interventions with anti-inflammatory activities and with regulatory effects on the excitatory/inhibitory balance can be attributed to the novel therapeutic target for anxiety disorders.
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Affiliation(s)
- Shiva Roshan-Milani
- Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
- Neurophysiology Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia, Iran
| | | | - Ehsan Saboory
- Zanjan Metabolic Diseases Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Negin Parsamanesh
- Zanjan Metabolic Diseases Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Nasrin Mehranfard
- Neurophysiology Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia, Iran
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Elser BA, Kayali K, Dhakal R, O'Hare B, Wang K, Lehmler HJ, Stevens HE. Combined Maternal Exposure to Cypermethrin and Stress Affect Embryonic Brain and Placental Outcomes in Mice. Toxicol Sci 2021; 175:182-196. [PMID: 32191333 DOI: 10.1093/toxsci/kfaa040] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Prenatal exposure to cypermethrin is a risk factor for adverse neurodevelopmental outcomes in children. In addition, maternal psychological stress during pregnancy has significant effects on fetal neurodevelopment and may influence end-stage toxicity to offspring by altering maternal xenobiotic metabolism. As such, this study examined effects of maternal exposure to alpha-cypermethrin and stress, alone and in combination, on offspring development, with a focus on fetal neurotoxicity. CD1 mouse dams were administered 10 mg/kg alpha-cypermethrin or corn oil vehicle via oral gavage from embryonic day 11 (E11) to E14. In addition, dams from each treatment were subjected to a standard model of restraint stress from E12 to E14. Cypermethrin treatment impaired fetal growth, reduced fetal forebrain volume, and increased ventral forebrain proliferative zone volume, the latter effects driven by combined exposure with stress. Cypermethrin also impaired migration of GABAergic progenitors, with different transcriptional changes alone and in combination with stress. Stress and cypermethrin also interacted in effects on embryonic microglia morphology. In addition, levels of cypermethrin were elevated in the serum of stressed dams, which was accompanied by interacting effects of cypermethrin and stress on hepatic expression of cytochrome P450 enzymes. Levels of cypermethrin in amniotic fluid were below the limit of quantification, suggesting minimal transfer to fetal circulation. Despite this, cypermethrin increased placental malondialdehyde levels and increased placental expression of genes responsive to oxidative stress, effects significantly modified by stress exposure. These findings suggest a role for interaction between maternal exposures to cypermethrin and stress on offspring neurodevelopment, involving indirect mechanisms in the placenta and maternal liver.
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Affiliation(s)
- Benjamin A Elser
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College.,Department of Psychiatry, Carver College of Medicine
| | - Khaled Kayali
- Department of Psychiatry, Carver College of Medicine
| | - Ram Dhakal
- Department of Occupational and Environmental Health
| | - Bailey O'Hare
- Department of Psychiatry, Carver College of Medicine
| | - Kai Wang
- Department of Biostatistics, College of Public Health, The University of Iowa, Iowa City, Iowa 52242
| | - Hans-Joachim Lehmler
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College.,Department of Occupational and Environmental Health
| | - Hanna E Stevens
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College.,Department of Psychiatry, Carver College of Medicine
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Mouihate A, Kalakh S. Maternal Interleukin-6 Hampers Hippocampal Neurogenesis in Adult Rat Offspring in a Sex-Dependent Manner. Dev Neurosci 2021; 43:106-115. [PMID: 34023825 DOI: 10.1159/000516370] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 03/19/2021] [Indexed: 11/19/2022] Open
Abstract
Maternal immune activation (MIA) during pregnancy leads to long-lasting effects on brain development and function. Several lines of evidence suggest that the maternal inflammatory cytokine interleukin (IL)-6 plays a crucial role in the long-lasting effects of MIA on adult offspring. IL-6 is naturally produced during pregnancy in the absence of any underlying immune activation. The objective of this study was to assess whether this naturally occurring IL-6 has long-lasting effects on brain plasticity and function. Therefore, pregnant rats were given either an IL-6-neutralizing antibody (IL-6Ab) or vehicle during the third week of pregnancy. Newly born (doublecortin) and mature neurons (NeuN) were monitored in the hippocampus of adult male and female offspring. Prenatal IL-6Ab led to an enhanced number of newly born and mature neurons in the dentate gyrus of the hippocampus of male but not female adult offspring. This enhanced neurogenesis was associated with an increased propensity in memory acquisition in male offspring. Blunting the naturally occurring IL-6 during pregnancy did not have a significant long-lasting impact on astrocyte cell density (GFAP), or on anxiety-like behavior as assessed with elevated plus maze and open field tests. Taken together, these data suggest that maternal IL-6 contributes, at least in part, to the programming of the brain's development in a sex-dependent manner.
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Affiliation(s)
- Abdeslam Mouihate
- Department of Physiology, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | - Samah Kalakh
- Department of Physiology, Faculty of Medicine, Kuwait University, Safat, Kuwait
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Quagliato LA, de Matos U, Nardi AE. Maternal immune activation generates anxiety in offspring: A translational meta-analysis. Transl Psychiatry 2021; 11:245. [PMID: 33903587 PMCID: PMC8076195 DOI: 10.1038/s41398-021-01361-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 04/12/2021] [Indexed: 02/07/2023] Open
Abstract
Maternal immune activation (MIA) during pregnancy is recognized as an etiological risk factor for various psychiatric disorders, such as schizophrenia, major depressive disorder, and autism. Prenatal immune challenge may serve as a "disease primer" for alteration of the trajectory of fetal brain development that, in combination with other genetic and environmental factors, may ultimately result in the emergence of different psychiatric conditions. However, the association between MIA and an offspring's chance of developing anxiety disorders is less clear. To evaluate the effect of MIA on offspring anxiety, a systematic review and meta-analysis of the preclinical literature was conducted. We performed a systematic search of the PubMed, Web of Science, PsycINFO, and Cochrane Library electronic databases using the PRISMA and World Health Organization (WHO) methodologies for systematic reviews. Studies that investigated whether MIA during pregnancy could cause anxiety symptoms in rodent offspring were included. Overall, the meta-analysis showed that MIA induced anxiety behavior in offspring. The studies provide strong evidence that prenatal immune activation impacts specific molecular targets and synapse formation and function and induces an imbalance in neurotransmission that could be related to the generation of anxiety in offspring. Future research should further explore the role of MIA in anxiety endophenotypes. According to this meta-analysis, MIA plays an important role in the pathophysiological mechanisms of anxiety disorders and is a promising therapeutic target.
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Affiliation(s)
- Laiana A Quagliato
- Laboratory of Panic & Respiration, Institute of Psychiatry, Federal University of Rio de Janeiro, 22270-010, Rio de Janeiro, Brazil.
| | - Ursula de Matos
- Laboratory of Panic & Respiration, Institute of Psychiatry, Federal University of Rio de Janeiro, 22270-010, Rio de Janeiro, Brazil
| | - Antonio E Nardi
- Laboratory of Panic & Respiration, Institute of Psychiatry, Federal University of Rio de Janeiro, 22270-010, Rio de Janeiro, Brazil
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Eyles DW. How do established developmental risk-factors for schizophrenia change the way the brain develops? Transl Psychiatry 2021; 11:158. [PMID: 33686066 PMCID: PMC7940420 DOI: 10.1038/s41398-021-01273-2] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/08/2021] [Accepted: 02/05/2021] [Indexed: 12/21/2022] Open
Abstract
The recognition that schizophrenia is a disorder of neurodevelopment is widely accepted. The original hypothesis was coined more than 30 years ago and the wealth of supportive epidemiologically data continues to grow. A number of proposals have been put forward to suggest how adverse early exposures in utero alter the way the adult brain functions, eventually producing the symptoms of schizophrenia. This of course is extremely difficult to study in developing human brains, so the bulk of what we know comes from animal models of such exposures. In this review, I will summarise the more salient features of how the major epidemiologically validated exposures change the way the brain is formed leading to abnormal function in ways that are informative for schizophrenia symptomology. Surprisingly few studies have examined brain ontogeny from embryo to adult in such models. However, where there is longitudinal data, various convergent mechanisms are beginning to emerge involving stress and immune pathways. There is also a surprisingly consistent alteration in how very early dopamine neurons develop in these models. Understanding how disparate epidemiologically-validated exposures may produce similar developmental brain abnormalities may unlock convergent early disease-related pathways/processes.
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Affiliation(s)
- Darryl W. Eyles
- grid.1003.20000 0000 9320 7537Queensland Brain Institute, University of Queensland, Brisbane, 4072 QLD Australia ,grid.417162.70000 0004 0606 3563Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Wacol, 4076 QLD Australia
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Fitzgerald E, Parent C, Kee MZL, Meaney MJ. Maternal Distress and Offspring Neurodevelopment: Challenges and Opportunities for Pre-clinical Research Models. Front Hum Neurosci 2021; 15:635304. [PMID: 33643013 PMCID: PMC7907173 DOI: 10.3389/fnhum.2021.635304] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/21/2021] [Indexed: 12/12/2022] Open
Abstract
Pre-natal exposure to acute maternal trauma or chronic maternal distress can confer increased risk for psychiatric disorders in later life. Acute maternal trauma is the result of unforeseen environmental or personal catastrophes, while chronic maternal distress is associated with anxiety or depression. Animal studies investigating the effects of pre-natal stress have largely used brief stress exposures during pregnancy to identify critical periods of fetal vulnerability, a paradigm which holds face validity to acute maternal trauma in humans. While understanding these effects is undoubtably important, the literature suggests maternal stress in humans is typically chronic and persistent from pre-conception through gestation. In this review, we provide evidence to this effect and suggest a realignment of current animal models to recapitulate this chronicity. We also consider candidate mediators, moderators and mechanisms of maternal distress, and suggest a wider breadth of research is needed, along with the incorporation of advanced -omics technologies, in order to understand the neurodevelopmental etiology of psychiatric risk.
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Affiliation(s)
- Eamon Fitzgerald
- Department of Psychiatry, Faculty of Medicine, Douglas Mental Health University Institute, McGill University, Montreal, QC, Canada
- Ludmer Centre for Neuroinformatics and Mental Health, Douglas Research Centre, McGill University, Montreal, QC, Canada
| | - Carine Parent
- Department of Psychiatry, Faculty of Medicine, Douglas Mental Health University Institute, McGill University, Montreal, QC, Canada
- Ludmer Centre for Neuroinformatics and Mental Health, Douglas Research Centre, McGill University, Montreal, QC, Canada
| | - Michelle Z. L. Kee
- Translational Neuroscience Programme, Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Michael J. Meaney
- Department of Psychiatry, Faculty of Medicine, Douglas Mental Health University Institute, McGill University, Montreal, QC, Canada
- Ludmer Centre for Neuroinformatics and Mental Health, Douglas Research Centre, McGill University, Montreal, QC, Canada
- Translational Neuroscience Programme, Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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Autism spectrum disorder and severe social impairment associated with elevated plasma interleukin-8. Pediatr Res 2021; 89:591-597. [PMID: 32330928 DOI: 10.1038/s41390-020-0910-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 11/15/2019] [Accepted: 11/23/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Autism spectrum disorder (ASD) is a neurodevelopmental disorder with an unclear etiology and pathophysiology. Previous studies have indicated that the dysregulation of cytokines may be involved in the pathogenesis of ASD and that the levels of cytokines may serve as potential biomarkers of this disorder. METHODS The current study employed a family triad-based case-control design to study the levels of plasma cytokines in families with ASD (n = 45 triads) and controls (n = 38 triads) with a Human Cytokine Twenty-Five-Plex Kit. The Social Responsiveness Scale (SRS) was used to measure social impairment of ASD children. RESULTS After controlling for the levels of parental cytokines, we identified that interferon-α (IFN-α), interleukin-7 (IL-7), IL-8, IFN-γ-inducible protein-10, and macrophage inflammatory protein-1β were associated with ASD, and IL-8 was the only cytokine also associated with the levels of both parental cytokines in the offspring-parents regression analysis and three subdomains of SRS (social awareness, cognition, and motivations) in the children with ASD. The receiver operating characteristic curve showed that the log-transformed IL-8 level discriminated children with autism from controls with an area under the curve of 0.858 (95% confidence interval: 0.777-0.939). CONCLUSIONS Our study suggests that IL-8 is a potential biomarker for ASD and may be involved in the pathogenesis of ASD. IMPACT The study suggests that IL-8 is a promising biomarker for ASD and may be involved in the pathogenesis of ASD. Only a very few studies have reported the parental cytokine levels. The significant strength of this article is that we applied the family triad-based approach to explore cytokine levels in families with autism and controls. There are no objective biomarkers, making the accurate diagnosis, prognostic prediction and effective treatment difficult, and our study provides promising results.
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Gumusoglu SB, Chilukuri ASS, Hing BWQ, Scroggins SM, Kundu S, Sandgren JA, Santillan MK, Santillan DA, Grobe JL, Stevens HE. Altered offspring neurodevelopment in an arginine vasopressin preeclampsia model. Transl Psychiatry 2021; 11:79. [PMID: 33510137 PMCID: PMC7844013 DOI: 10.1038/s41398-021-01205-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 12/17/2020] [Accepted: 01/08/2021] [Indexed: 12/18/2022] Open
Abstract
Preeclampsia is a severe gestational hypertensive condition linked to child neuropsychiatric disorders, although underlying mechanisms are unclear. We used a recently developed, clinically relevant animal model of preeclampsia to assess offspring. C57BL/6J mouse dams were chronically infused with arginine vasopressin (AVP) or saline (24 ng/h) throughout pregnancy. Adult offspring were behaviorally tested (Y-maze, open field, rotarod, social approach, and elevated plus maze). Offspring brain was assessed histologically and by RNA sequencing. Preeclampsia-exposed adult males exhibited increased anxiety-like behavior and social approach while adult females exhibited impaired procedural learning. Adult AVP-exposed males had reduced total neocortical volume. Adult AVP-exposed females had increased caudate-putamen volume, increased caudate-putamen cell number, and decreased excitatory synapse density in hippocampal dentate gyrus (DG), CA1, and CA3. At postnatal day 7 (P7), AVP-exposed male and female offspring both had smaller neocortex. At P7, AVP-exposed males also had smaller caudate-putamen volume, while females had increased caudate-putamen volume relative to neocortical size. Similar to P7, E18 AVP-exposed offspring had smaller dorsal forebrain, mainly in reduced intermediate, subventricular, and ventricular zone volume, particularly in males. Decreased volume was not accounted for by cell size or cerebrovascular vessel diameter changes. E18 cortical RNAseq revealed 49 differentially-expressed genes in male AVP-exposed offspring, over-representing cytoplasmic translation processes. In females, 31 genes were differentially-expressed, over-representing collagen-related and epithelial regulation pathways. Gene expression changes in E18 AVP-exposed placenta indicated potential underlying mechanisms. Deficits in behavior and forebrain development in this AVP-based preeclampsia model were distinctly different in males and females, implicating different neurobiological bases.
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Affiliation(s)
- Serena Banu Gumusoglu
- Interdisciplinary Neuroscience Graduate Program, University of Iowa, Iowa City, IA, USA.
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA.
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA.
| | - Akanksha Sri Satya Chilukuri
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
| | - Benjamin Wen Qing Hing
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
- Molecular Physiology and Biophysics, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Sabrina Marie Scroggins
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Sreelekha Kundu
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
| | - Jeremy Anton Sandgren
- Department of Pharmacology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Mark Kharim Santillan
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Donna Ann Santillan
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Justin Lewis Grobe
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Hanna Elizabeth Stevens
- Interdisciplinary Neuroscience Graduate Program, University of Iowa, Iowa City, IA, USA
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
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Barron A, McCarthy CM, O'Keeffe GW. Preeclampsia and Neurodevelopmental Outcomes: Potential Pathogenic Roles for Inflammation and Oxidative Stress? Mol Neurobiol 2021; 58:2734-2756. [PMID: 33492643 DOI: 10.1007/s12035-021-02290-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 01/12/2021] [Indexed: 12/13/2022]
Abstract
Preeclampsia (PE) is a common and serious hypertensive disorder of pregnancy that occurs in approximately 3-5% of first-time pregnancies and is a well-known leading cause of maternal and neonatal mortality and morbidity. In recent years, there has been accumulating evidence that in utero exposure to PE acts as an environmental risk factor for various neurodevelopmental disorders, particularly autism spectrum disorder and ADHD. At present, the mechanism(s) mediating this relationship are uncertain. In this review, we outline the most recent evidence implicating a causal role for PE exposure in the aetiology of various neurodevelopmental disorders and provide a novel interpretation of neuroanatomical alterations in PE-exposed offspring and how these relate to their sub-optimal neurodevelopmental trajectory. We then postulate that inflammation and oxidative stress, two prominent features of the pathophysiology of PE, are likely to play a major role in mediating this association. The increased inflammation in the maternal circulation, placenta and fetal circulation in PE expose the offspring to both prenatal maternal immune activation-a risk factor for neurodevelopmental disorders, which has been well-characterised in animal models-and directly higher concentrations of pro-inflammatory cytokines, which adversely affect neuronal development. Similarly, the exaggerated oxidative stress in the mother, placenta and foetus induces the placenta to secrete factors deleterious to neurons, and exposes the fetal brain to directly elevated oxidative stress and thus adversely affects neurodevelopmental processes. Finally, we describe the interplay between inflammation and oxidative stress in PE, and how both systems interact to potentially alter neurodevelopmental trajectory in exposed offspring.
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Affiliation(s)
- Aaron Barron
- Department of Anatomy and Neuroscience, University College, Cork, Ireland.,Department of Pharmacology and Therapeutics, University College Cork, Cork, Ireland
| | - Cathal M McCarthy
- Department of Pharmacology and Therapeutics, University College Cork, Cork, Ireland.
| | - Gerard W O'Keeffe
- Department of Anatomy and Neuroscience, University College, Cork, Ireland. .,Cork Neuroscience Centre, University College Cork, Cork, Ireland.
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Antonson AM, Evans MV, Galley JD, Chen HJ, Rajasekera TA, Lammers SM, Hale VL, Bailey MT, Gur TL. Unique maternal immune and functional microbial profiles during prenatal stress. Sci Rep 2020; 10:20288. [PMID: 33219314 PMCID: PMC7679384 DOI: 10.1038/s41598-020-77265-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 10/14/2020] [Indexed: 12/22/2022] Open
Abstract
Maternal stress during pregnancy is widespread and is associated with poor offspring outcomes, including long-term mental health issues. Prenatal stress-induced fetal neuroinflammation is thought to underlie aberrant neurodevelopment and to derive from a disruption in intrauterine immune homeostasis, though the exact origins are incompletely defined. We aimed to identify divergent immune and microbial metagenome profiles of stressed gestating mice that may trigger detrimental inflammatory signaling at the maternal-fetal interface. In response to stress, maternal glucocorticoid circuit activation corresponded with indicators of systemic immunosuppression. At the maternal-fetal interface, density of placental mononuclear leukocytes decreased with stress, yet maternal whole blood leukocyte analysis indicated monocytosis and classical M1 phenotypic shifts. Genome-resolved microbial metagenomic analyses revealed reductions in genes, microbial strains, and metabolic pathways in stressed dams that are primarily associated with pro-inflammatory function. In particular, disrupted Parasutterella excrementihominis appears to be integral to inflammatory and metabolic dysregulation during prenatal stress. Overall, these perturbations in maternal immunological and microbial regulation during pregnancy may displace immune equilibrium at the maternal-fetal interface. Notably, the absence of and reduction in overt maternal inflammation during stress indicates that the signaling patterns driving fetal outcomes in this context are more nuanced and complex than originally anticipated.
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Affiliation(s)
- Adrienne M Antonson
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Biosciences Division, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - Morgan V Evans
- Environmental Health Sciences Division, College of Public Health, The Ohio State University, Columbus, OH, USA
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Jeffrey D Galley
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Helen J Chen
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Medical Scientist Training Program, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Therese A Rajasekera
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Environmental Health Sciences Division, College of Public Health, The Ohio State University, Columbus, OH, USA
| | - Sydney M Lammers
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Barnes Medical Student Research Scholarship Program, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Vanessa L Hale
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Michael T Bailey
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Biosciences Division, College of Dentistry, The Ohio State University, Columbus, OH, USA
- Center for Microbial Pathogenesis, The Research Institute, Nationwide Children's Hospital, Columbus, OH, USA
- Department of Pediatrics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Tamar L Gur
- Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, Columbus, OH, USA.
- Department of Psychiatry & Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH, USA.
- Medical Scientist Training Program, The Ohio State University Wexner Medical Center, Columbus, OH, USA.
- Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, OH, USA.
- Department of Obstetrics & Gynecology, The Ohio State University Wexner Medical Center, 120A Institute for Behavioral Medicine Research Building, 460 Medical Center Drive, Columbus, OH, 43210, USA.
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Kim YS, Choi J, Yoon BE. Neuron-Glia Interactions in Neurodevelopmental Disorders. Cells 2020; 9:cells9102176. [PMID: 32992620 PMCID: PMC7601502 DOI: 10.3390/cells9102176] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 09/24/2020] [Accepted: 09/24/2020] [Indexed: 12/12/2022] Open
Abstract
Recent studies have revealed synaptic dysfunction to be a hallmark of various psychiatric diseases, and that glial cells participate in synapse formation, development, and plasticity. Glial cells contribute to neuroinflammation and synaptic homeostasis, the latter being essential for maintaining the physiological function of the central nervous system (CNS). In particular, glial cells undergo gliotransmission and regulate neuronal activity in tripartite synapses via ion channels (gap junction hemichannel, volume regulated anion channel, and bestrophin-1), receptors (for neurotransmitters and cytokines), or transporters (GLT-1, GLAST, and GATs) that are expressed on glial cell membranes. In this review, we propose that dysfunction in neuron-glia interactions may contribute to the pathogenesis of neurodevelopmental disorders. Understanding the mechanisms of neuron-glia interaction for synapse formation and maturation will contribute to the development of novel therapeutic targets of neurodevelopmental disorders.
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Affiliation(s)
- Yoo Sung Kim
- Department of Molecular Biology, Dankook University, Cheonan 31116, Korea; (Y.S.K.); (J.C.)
| | - Juwon Choi
- Department of Molecular Biology, Dankook University, Cheonan 31116, Korea; (Y.S.K.); (J.C.)
| | - Bo-Eun Yoon
- Department of Molecular Biology, Dankook University, Cheonan 31116, Korea; (Y.S.K.); (J.C.)
- Department of Nanobiomedical science, Dankook University, Cheonan 31116, Korea
- Correspondence: ; Tel.: +82-41-529-6085
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Martino D, Johnson I, Leckman JF. What Does Immunology Have to Do With Normal Brain Development and the Pathophysiology Underlying Tourette Syndrome and Related Neuropsychiatric Disorders? Front Neurol 2020; 11:567407. [PMID: 33041996 PMCID: PMC7525089 DOI: 10.3389/fneur.2020.567407] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 08/20/2020] [Indexed: 12/20/2022] Open
Abstract
Objective: The goal of this article is to review the past decade's literature and provide a critical commentary on the involvement of immunological mechanisms in normal brain development, as well as its role in the pathophysiology of Tourette syndrome, other Chronic tic disorders (CTD), and related neuropsychiatric disorders including Obsessive-compulsive disorder (OCD) and Attention deficit hyperactivity disorder (ADHD). Methods: We conducted a literature search using the Medline/PubMed and EMBASE electronic databases to locate relevant articles and abstracts published between 2009 and 2020, using a comprehensive list of search terms related to immune mechanisms and the diseases of interest, including both clinical and animal model studies. Results: The cellular and molecular processes that constitute our "immune system" are crucial to normal brain development and the formation and maintenance of neural circuits. It is also increasingly evident that innate and adaptive systemic immune pathways, as well as neuroinflammatory mechanisms, play an important role in the pathobiology of at least a subset of individuals with Tourette syndrome and related neuropsychiatric disorders In the conceptual framework of the holobiont theory, emerging evidence points also to the importance of the "microbiota-gut-brain axis" in the pathobiology of these neurodevelopmental disorders. Conclusions: Neural development is an enormously complex and dynamic process. Immunological pathways are implicated in several early neurodevelopmental processes including the formation and refinement of neural circuits. Hyper-reactivity of systemic immune pathways and neuroinflammation may contribute to the natural fluctuations of the core behavioral features of CTD, OCD, and ADHD. There is still limited knowledge of the efficacy of direct and indirect (i.e., through environmental modifications) immune-modulatory interventions in the treatment of these disorders. Future research also needs to focus on the key molecular pathways through which dysbiosis of different tissue microbiota influence neuroimmune interactions in these disorders, and how microbiota modification could modify their natural history. It is also possible that valid biomarkers will emerge that will guide a more personalized approach to the treatment of these disorders.
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Affiliation(s)
- Davide Martino
- Department of Clinical Neurosciences & Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Isaac Johnson
- Child Study Center, Yale University, New Haven, CT, United States
- Department of Psychiatry, University of California, San Francisco, San Francisco, CA, United States
| | - James F. Leckman
- Child Study Center, Yale University, New Haven, CT, United States
- Departments of Psychiatry, Pediatrics and Psychology, Yale University, New Haven, CT, United States
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Comer AL, Carrier M, Tremblay MÈ, Cruz-Martín A. The Inflamed Brain in Schizophrenia: The Convergence of Genetic and Environmental Risk Factors That Lead to Uncontrolled Neuroinflammation. Front Cell Neurosci 2020; 14:274. [PMID: 33061891 PMCID: PMC7518314 DOI: 10.3389/fncel.2020.00274] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 08/03/2020] [Indexed: 12/12/2022] Open
Abstract
Schizophrenia is a disorder with a heterogeneous etiology involving complex interplay between genetic and environmental risk factors. The immune system is now known to play vital roles in nervous system function and pathology through regulating neuronal and glial development, synaptic plasticity, and behavior. In this regard, the immune system is positioned as a common link between the seemingly diverse genetic and environmental risk factors for schizophrenia. Synthesizing information about how the immune-brain axis is affected by multiple factors and how these factors might interact in schizophrenia is necessary to better understand the pathogenesis of this disease. Such knowledge will aid in the development of more translatable animal models that may lead to effective therapeutic interventions. Here, we provide an overview of the genetic risk factors for schizophrenia that modulate immune function. We also explore environmental factors for schizophrenia including exposure to pollution, gut dysbiosis, maternal immune activation and early-life stress, and how the consequences of these risk factors are linked to microglial function and dysfunction. We also propose that morphological and signaling deficits of the blood-brain barrier, as observed in some individuals with schizophrenia, can act as a gateway between peripheral and central nervous system inflammation, thus affecting microglia in their essential functions. Finally, we describe the diverse roles that microglia play in response to neuroinflammation and their impact on brain development and homeostasis, as well as schizophrenia pathophysiology.
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Affiliation(s)
- Ashley L. Comer
- Graduate Program for Neuroscience, Boston University, Boston, MA, United States
- Department of Biology, Boston University, Boston, MA, United States
- Neurophotonics Center, Boston University, Boston, MA, United States
- Center for Systems Neuroscience, Boston University, Boston, MA, United States
| | - Micaël Carrier
- Axe Neurosciences, Centre de Recherche du CHU de Québec, Université Laval, Québec City, QC, Canada
| | - Marie-Ève Tremblay
- Axe Neurosciences, Centre de Recherche du CHU de Québec, Université Laval, Québec City, QC, Canada
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
- Department of Biochemistry and Molecular Biology, The University of British Columbia, Vancouver, BC, Canada
| | - Alberto Cruz-Martín
- Graduate Program for Neuroscience, Boston University, Boston, MA, United States
- Department of Biology, Boston University, Boston, MA, United States
- Neurophotonics Center, Boston University, Boston, MA, United States
- Center for Systems Neuroscience, Boston University, Boston, MA, United States
- Department of Pharmacology and Experimental Therapeutics, Boston University, Boston, MA, United States
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