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Wingfield KK, Misic T, Jain K, McDermott CS, Abney NM, Richardson KT, Rubman MB, Beierle JA, Miracle SA, Sandago EJ, Baskin BM, Lynch WB, Borrelli KN, Yao EJ, Wachman EM, Bryant CD. The ultrasonic vocalization (USV) syllable profile during neonatal opioid withdrawal and a kappa opioid receptor component to increased USV emissions in female mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.02.601766. [PMID: 39005445 PMCID: PMC11244951 DOI: 10.1101/2024.07.02.601766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Rationale Opioid use during pregnancy can lead to negative infant health outcomes, including neonatal opioid withdrawal syndrome (NOWS). NOWS comprises gastrointestinal, autonomic nervous system, and neurological dysfunction that manifest during spontaneous withdrawal. Variability in NOWS severity necessitates a more individualized treatment approach. Ultrasonic vocalizations (USVs) in neonatal mice are emitted in isolation as a stress response and are increased during opioid withdrawal, thus modeling a negative affective state that can be utilized to test new treatments. Objectives We sought to identify the behavioral and USV profile, brainstem transcriptomic adaptations, and role of kappa opioid receptors in USVs during neonatal opioid withdrawal. Methods We employed a third trimester-approximate opioid exposure model, where neonatal inbred FVB/NJ pups were injected twice-daily with morphine (10mg/kg, s.c.) or saline (0.9%, 20 ul/g, s.c.) from postnatal day(P) 1 to P14. This protocol induces reduced weight gain, hypothermia, thermal hyperalgesia, and increased USVs during spontaneous morphine withdrawal. Results On P14, there were increased USV emissions and altered USV syllables during withdrawal, including an increase in Complex 3 syllables in FVB/NJ females (but not males). Brainstem bulk mRNA sequencing revealed an upregulation of the kappa opioid receptor (Oprk1), which contributes to withdrawal-induced dysphoria. The kappa opioid receptor (KOR) antagonist, nor-BNI (30 mg/kg, s.c.), significantly reduced USVs in FVB/NJ females, but not males during spontaneous morphine withdrawal. Furthermore, the KOR agonist, U50,488h (0.625 mg/kg, s.c.), was sufficient to increase USVs on P10 (both sexes) and P14 (females only) in FVB/NJ mice. Conclusions We identified an elevated USV syllable, Complex 3, and a female-specific recruitment of the dynorphin/KOR system in increased USVs associated with neonatal opioid withdrawal severity.
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Affiliation(s)
- Kelly K Wingfield
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
- T32 Biomolecular Pharmacology Training Program, Boston University Chobanian & Avedisian School of Medicine, Boston, MA USA
| | - Teodora Misic
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
| | - Kaahini Jain
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
| | - Carly S McDermott
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
| | - Nalia M Abney
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
| | - Kayla T Richardson
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
- Post-Baccalaureate Research Education Program, Boston University Chobanian & Avedisian School of Medicine
| | - Mia B Rubman
- NIH/NIDA Summer Undergraduate Fellowship Program
| | - Jacob A Beierle
- T32 Biomolecular Pharmacology Training Program, Boston University Chobanian & Avedisian School of Medicine, Boston, MA USA
- Transformative Training Program in Addiction Science, Boston University Chobanian & Avedisian School of Medicine
| | - Sophia A Miracle
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
- Graduate Program for Neuroscience, Boston University, Boston, MA USA
| | - Emma J Sandago
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
| | - Britahny M Baskin
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
- T32 Training Program on Development of Medications for Substance Use Disorders Fellowship, Center for Drug Discovery, Northeastern University
| | - William B Lynch
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
- Transformative Training Program in Addiction Science, Boston University Chobanian & Avedisian School of Medicine
- Graduate Program for Neuroscience, Boston University, Boston, MA USA
| | - Kristyn N Borrelli
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
- T32 Biomolecular Pharmacology Training Program, Boston University Chobanian & Avedisian School of Medicine, Boston, MA USA
- Transformative Training Program in Addiction Science, Boston University Chobanian & Avedisian School of Medicine
- Graduate Program for Neuroscience, Boston University, Boston, MA USA
| | - Emily J Yao
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
| | - Elisha M Wachman
- Department of Pediatrics, Boston University Chobanian & Avedisian School of Medicine, Boston Medical Center, Boston MA USA
| | - Camron D Bryant
- Laboratory of Addiction Genetics, Center for Drug Discovery, Department of Pharmaceutical Sciences, Northeastern University, Boston, MA USA
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Hughes S, Hessel EVS. Zebrafish and nematodes as whole organism models to measure developmental neurotoxicity. Crit Rev Toxicol 2024; 54:330-343. [PMID: 38832580 DOI: 10.1080/10408444.2024.2342448] [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: 11/30/2023] [Accepted: 04/05/2024] [Indexed: 06/05/2024]
Abstract
Despite the growing epidemiological evidence of an association between toxin exposure and developmental neurotoxicity (DNT), systematic testing of DNT is not mandatory in international regulations for admission of pharmaceuticals or industrial chemicals. However, to date around 200 compounds, ranging from pesticides, pharmaceuticals and industrial chemicals, have been tested for DNT in the current OECD test guidelines (TG-443 or TG-426). There are calls for the development of new approach methodologies (NAMs) for DNT, which has resulted in a DNT testing battery using in vitro human cell-based assays. These assays provide a means to elucidate the molecular mechanisms of toxicity in humans which is lacking in animal-based toxicity tests. However, cell-based assays do not represent all steps of the complex process leading to DNT. Validated models with a multi-organ network of pathways that interact at the molecular, cellular and tissue level at very specific timepoints in a life cycle are currently missing. Consequently, whole model organisms are being developed to screen for, and causally link, new molecular targets of DNT compounds and how they affect whole brain development and neurobehavioral endpoints. Given the practical and ethical restraints associated with vertebrate testing, lower animal models that qualify as 3 R (reduce, refine and replace) models, including the nematode (Caenorhabditis elegans) and the zebrafish (Danio rerio) will prove particularly valuable for unravelling toxicity pathways leading to DNT. Although not as complex as the human brain, these 3 R-models develop a complete functioning brain with numerous neurodevelopmental processes overlapping with human brain development. Importantly, the main signalling pathways relating to (neuro)development, metabolism and growth are highly conserved in these models. We propose the use of whole model organisms specifically zebrafish and C. elegans for DNT relevant endpoints.
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Affiliation(s)
- Samantha Hughes
- Department of Environmental Health and Toxicology, A-LIFE, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Ellen V S Hessel
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
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Baia-da-Silva DC, Mendes PFS, Silva DCBD, Chemelo VS, Bittencourt LO, Padilha PM, Oriá RB, Aschner M, Lima RR. What does scientometry tell us about mercury toxicology and its biological impairments? Heliyon 2024; 10:e27526. [PMID: 38586377 PMCID: PMC10998116 DOI: 10.1016/j.heliyon.2024.e27526] [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: 01/21/2024] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 04/09/2024] Open
Abstract
Mercury is a toxic pollutant that poses risks to both human and environmental health, making it a pressing public health concern. This study aimed to summarize the knowledge on mercury toxicology and the biological impairments caused by exposure to mercury in experimental studies and/or diagnosis in humans. The research was conducted on the main collection of Web of Science, employing as a methodological tool a bibliometric analysis. The selected articles were analyzed, and extracted data such as publication year, journal, author, title, number of citations, corresponding author's country, keywords, and the knowledge mapping was performed about the type of study, chemical form of mercury, exposure period, origin of exposure, tissue/fluid of exposure measurement, mercury concentration, evaluation period (age), mercury effect, model experiments, dose, exposure pathway, and time of exposure. The selected articles were published between 1965 and 2021, with Clarkson TW being the most cited author who has also published the most articles. A total of 38% of the publications were from the USA. These studies assessed the prenatal and postnatal effects of mercury, emphasizing the impact of methylmercury on neurodevelopment, including motor and cognitive evaluations, the association between mercury and autism, and an evaluation of its protective effects against mercury toxicity. In observational studies, the blood, umbilical cord, and hair were the most frequently used for measuring mercury levels. Our data analysis reveals that mercury neurotoxicology has been extensively explored, but the association among the outcomes evaluated in experimental studies has yet to be strengthened. Providing metric evidence on what is unexplored allows for new studies that may help governmental and non-governmental organizations develop guidelines and policies.
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Affiliation(s)
- Daiane Claydes Baia-da-Silva
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, PA, Brazil
| | - Paulo Fernando Santos Mendes
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, PA, Brazil
| | - Diane Cleydes Baia da Silva
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, PA, Brazil
| | - Victória Santos Chemelo
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, PA, Brazil
| | - Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, PA, Brazil
| | - Pedro Magalhães Padilha
- School of Veterinary Medicine and Animal Science, Institute of Biosciences, São Paulo State University, Botucatu, SP, Brazil
| | - Reinaldo Barreto Oriá
- Laboratory of Tissue Healing, Ontogeny and Nutrition, Department of Morphology, School of Medicine, Institute of Biomedicine, Federal University of Ceara, Fortaleza, CE, Brazil
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, PA, Brazil
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Soler-Blasco R, Llop S, Riutort-Mayol G, Lozano M, Vallejo-Ortega J, Murcia M, Ballester F, Irizar A, Andiarena A, Fernandez-Jimenez N, Braeuer S, Harari F. Genetic Susceptibility to Neurotoxicity Related to Prenatal Inorganic Arsenic Exposure in Young Spanish Children. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:15366-15378. [PMID: 37787746 DOI: 10.1021/acs.est.3c03336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
We explored the influence of child and maternal single nucleotide polymorphisms (SNPs) in genes related to neurological function and arsenic metabolism (i.e., ABCA1, ABCB1, PON1, CYP3A, BDNF, GSTP1, MT2A, and APOE as well as AS3MT) on the association between prenatal arsenic (As) exposure and methylation efficiency and neuropsychological development in 4-5-year-old children. Participants were 549 mother-child pairs from the INMA (Environment and Childhood) Spanish Project. We measured inorganic arsenic (iAs) and the metabolites monomethylarsonic acid (MMA) and dimethylarsinic acid (DMA) in urine samples collected during pregnancy. Neuropsychological development was assessed at the age of 4-5 years using the McCarthy Scales of Children's Abilities (MSCA). Several SNPs were determined in maternal and child DNA; AS3MT and APOE haplotypes were inferred. The median ∑As (sum of iAs, DMA, and MMA) was 7.08 μg/g creatinine. Statistically significant interactions for children's APOE haplotype were observed. Specifically, ε4-carrier children had consistently lower MSCA scores in several scales with increasing ∑As and MMA concentrations. These results provide evidence regarding the neurotoxic effects of early life exposure to As, observing that the APOE ε4 allele could make children more vulnerable to this exposure.
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Affiliation(s)
- Raquel Soler-Blasco
- Department of Nursing, Universitat de València, 46010 Valencia, Spain
- Epidemiology and Environmental Health Joint Research Unit, FISABIO-Universitat Jaume I-Universitat de València, 46020 Valencia, Spain
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
| | - Sabrina Llop
- Epidemiology and Environmental Health Joint Research Unit, FISABIO-Universitat Jaume I-Universitat de València, 46020 Valencia, Spain
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
| | - Gabriel Riutort-Mayol
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, FISABIO-Public Health, 46020 Valencia, Spain
| | - Manuel Lozano
- Epidemiology and Environmental Health Joint Research Unit, FISABIO-Universitat Jaume I-Universitat de València, 46020 Valencia, Spain
- Preventive Medicine and Public Health, Food Sciences, Toxicology and Forensic Medicine Department, Universitat de València, 46010 Valencia, Spain
| | - Jorge Vallejo-Ortega
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, FISABIO-Public Health, 46020 Valencia, Spain
| | - Mario Murcia
- Health Policy Planning and Evaluation Service, Conselleria de Sanitat Universal i Salut Pública, Generalitat Valenciana, 46010 Valencia, Spain
| | - Ferran Ballester
- Department of Nursing, Universitat de València, 46010 Valencia, Spain
- Epidemiology and Environmental Health Joint Research Unit, FISABIO-Universitat Jaume I-Universitat de València, 46020 Valencia, Spain
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
| | - Amaia Irizar
- Biodonostia Health Research Institute, 20014 San Sebastian, Spain
- Department of Preventive Medicine and Public Health of the University of the Basque Country, UPV/EHU, 48940 Leioa, Spain
| | - Ainara Andiarena
- Biodonostia Health Research Institute, 20014 San Sebastian, Spain
- Faculty of Psychology, University of the Basque Country, UPV/EHU, 20018 San Sebastian, Spain
| | - Nora Fernandez-Jimenez
- Department of Genetics, Physical Anthropology and Animal Physiology, Biocruces-Bizkaia Health Research Institute and University of the Basque Country (UPV/EHU), 48903 Leioa, Spain
| | - Simone Braeuer
- Institute of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 38, Vienna 1090, Austria
- Institute of Chemistry, University of Graz, 8010 Graz, Austria
| | - Florencia Harari
- Occupational and Environmental Medicine, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg and Sahlgrenska University Hospital, 40530 Gothenburg, Sweden
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Ling W, Ren Z, Wang W, Lu D, Zhou Q, Liu Q, Jiang G. Chronic Ambient Ozone Exposure Aggravates Autism-Like Symptoms in a Susceptible Mouse Model. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:14248-14259. [PMID: 37676697 DOI: 10.1021/acs.est.3c00607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
Although there is evidence that exposure to ground-level ozone (O3) may cause an increased risk of neurological disorders (e.g., autistic spectrum disorder), low-dose chronic ozone exposure and its adverse effects on the nervous system have not been fully understood. Here, we evaluated the potential neurotoxic effects of long-term exposure to environmentally relevant O3 concentration (200 μg/m3 via a whole-body inhalation system, 12 h/day for 5 days/week) using a susceptible mouse model of autism induced by valproic acid. Various indicators of oxidative stress, mitochondria, and synapse in the brain tissues were then measured to determine the overall damage of O3 to the mouse brain. The results showed an aggravated risk of autism in mice offspring, which was embodied in decreased antioxidant contents, disturbed energy generation in mitochondria, as well as reduced expressions of protein kinase Mζ (PKMζ) and synaptic proteins [e.g., Synapsin 1 (SYN 1), postsynaptic density protein-95 (PSD-95)]. Overall, our study indicates that prenatal exposure to environmentally relevant O3 may exacerbate the symptoms of autism, shedding light on possible molecular mechanisms and providing valuable insights into the pathogenesis of autism, especially concerning low-dose levels of those pollutants.
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Affiliation(s)
- Weibo Ling
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhihua Ren
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan 030006, China
| | - Weichao Wang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Dawei Lu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Qunfang Zhou
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Qian Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Taishan Institute for Ecology and Environment (TIEE), Jinan 250100, China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
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Christensen GM, Marcus M, Vanker A, Eick SM, Malcolm-Smith S, Smith ADAC, Dunn EC, Suglia SF, Chang HH, Zar HJ, Stein DJ, Hüls A. Sensitive periods for exposure to indoor air pollutants and psychosocial factors in association with symptoms of psychopathology at school-age in a South African birth cohort. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.08.08.23293825. [PMID: 37609236 PMCID: PMC10441486 DOI: 10.1101/2023.08.08.23293825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Background Gestation and the first few months of life are important periods for brain development. During these periods, exposure to environmental toxicants and psychosocial stressors are particularly harmful and may impact brain development. Specifically, exposure to indoor air pollutants (IAP) and psychosocial factors (PF) during these sensitive periods has been shown to predict childhood psychopathology. Objectives This study aims to investigate sensitive periods for the individual and joint effects of IAP and PF on childhood psychopathology at 6.5 years. Methods We analyzed data from the Drakenstein Child Health Study (N=599), a South African birth cohort. Exposure to IAP and PF was measured during the second trimester of pregnancy and 4 months postpartum. The outcome of childhood psychopathology was assessed at 6.5 years old using the Childhood Behavior Checklist (CBCL). We investigated individual effects of either pre-or postnatal exposure to IAP and PF on CBCL scores using adjusted linear regression models, and joint effects of these exposures using quantile g-computation and self-organizing maps (SOM). To identify possible sensitive periods, we used a structured life course modeling approach (SLCMA) as well as exposure mixture methods (quantile g-computation and SOM). Results Prenatal exposure to IAP or PFs, as well as the total prenatal mixture assessed using quantile g-computation, were associated with increased psychopathology. SLCMA and SOM models also indicated that the prenatal period is a sensitive period for IAP exposure on childhood psychopathology. Depression and alcohol were associated in both the pre-and postnatal period, while CO was associated with the postnatal period. Discussion Pregnancy may be a sensitive period for the effect of indoor air pollution on childhood psychopathology. Exposure to maternal depression and alcohol in both periods was also associated with psychopathology. Determining sensitive periods of exposure is vital to ensure effective interventions to reduce childhood psychopathology.
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Valencia-Florez KB, Sánchez-Castillo H, Vázquez P, Zarate P, Paz DB. Stress, a Brief Update. Int J Psychol Res (Medellin) 2023; 16:105-121. [PMID: 38106958 PMCID: PMC10723744 DOI: 10.21500/20112084.5815] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/26/2022] [Accepted: 06/06/2023] [Indexed: 12/19/2023] Open
Abstract
Stress is fundamental for health and adaptation; it is an evolutionarily conserved response that involves several systems in the organism. The study of the stress response could be traced back to the end of the nineteenth century with George Beard's or Claude Bernard's work and, from that moment on, several studies that have allowed the elucidation of its neurobiology and the consequences of suffering from it were consolidated. In this theoretical review, we discuss the most relevant researches to our knowledge on the study of stress response, from the concept of stress, its neurobiology, the hormonal response during stress, as well as its regulation, the effects of acute and chronic stress, stress from cognition, the different stress responses during life, as well as its relationship with different psychiatric disorders. Taken together, the reviewed research updates the classic perspective on stress, increasing the factors that should be considered in research to explore the effects of stress on health.
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Affiliation(s)
- Kenji Baruch Valencia-Florez
- Neuropsychopharmacology Lab. Psychobiology and Neurosciences Department. Psychology School National University of Mexico (UNAM)., MéxicoUniversidad Nacional Autónoma de MéxicoUniversity of MexicoMexico
| | - Hugo Sánchez-Castillo
- Neuropsychopharmacology Lab. Psychobiology and Neurosciences Department. Psychology School National University of Mexico (UNAM)., MéxicoUniversidad Nacional Autónoma de MéxicoUniversity of MexicoMexico
| | - Priscila Vázquez
- Neuropsychopharmacology Lab. Psychobiology and Neurosciences Department. Psychology School National University of Mexico (UNAM)., MéxicoUniversidad Nacional Autónoma de MéxicoUniversity of MexicoMexico
| | - Pavel Zarate
- Ibeoramerican Society of Applied Neurosciences (SINA) , México.Ibeoramerican Society of Applied NeurosciencesMéxico
| | - Diana Berenice Paz
- Neuropsychopharmacology Lab. Psychobiology and Neurosciences Department. Sistema de Universidad Abierta y a Distancia (SUAyD), Psychology School, National University of Mexico (UNAM) , México.Universidad Nacional Autónoma de MéxicoNational University of MexicoMexico
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Wæhler HA, Labba NA, Paulsen RE, Sandve GK, Eskeland R. ANDA: An open-source tool for automated image analysis of neuronal differentiation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.27.538564. [PMID: 37162841 PMCID: PMC10168306 DOI: 10.1101/2023.04.27.538564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Background Imaging of in vitro neuronal differentiation and measurements of cell morphologies has led to novel insights into neuronal development. Live-cell imaging techniques and large datasets of images has increased the demand for automated pipelines for quantitative analysis of neuronal morphological metrics. Results We present ANDA, an analysis workflow for quantification of various aspects of neuronal morphology from high-throughput live-cell imaging screens. This tool automates the analysis of neuronal cell numbers, neurite lengths and neurite attachment points. We used rat, chicken and human in vitro models for neuronal differentiation and have demonstrated the accuracy, versatility, and efficiency of the tool. Conclusions ANDA is an open-source tool that is easy to use and capable of automated processing from time-course measurements of neuronal cells. The strength of this pipeline is the capability to analyse high-throughput imaging screens.
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Affiliation(s)
- Hallvard Austin Wæhler
- Institute of Basic Medical Sciences, Department of Molecular Medicine, Faculty of Medicine, University of Oslo, PO Box 1112 Blindern, 0317 Oslo, Norway
- PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Norway
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway
| | - Nils-Anders Labba
- Institute of Basic Medical Sciences, Department of Molecular Medicine, Faculty of Medicine, University of Oslo, PO Box 1112 Blindern, 0317 Oslo, Norway
- Section for Pharmacology and Pharmaceutical Biosciences, Department of Pharmacy, University of Oslo, Norway
- PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Norway
| | - Ragnhild Elisabeth Paulsen
- Section for Pharmacology and Pharmaceutical Biosciences, Department of Pharmacy, University of Oslo, Norway
- PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Norway
| | - Geir Kjetil Sandve
- Department of Informatics, University of Oslo, Norway
- PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Norway
| | - Ragnhild Eskeland
- Institute of Basic Medical Sciences, Department of Molecular Medicine, Faculty of Medicine, University of Oslo, PO Box 1112 Blindern, 0317 Oslo, Norway
- PharmaTox Strategic Research Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Norway
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway
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Christensen GM, Marcus M, Vanker A, Eick SM, Malcolm-Smith S, Suglia SF, Chang HH, Zar HJ, Stein DJ, Hüls A. Joint Effects of Indoor Air Pollution and Maternal Psychosocial Factors During Pregnancy on Trajectories of Early Childhood Psychopathology. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.04.07.23288289. [PMID: 37066323 PMCID: PMC10104216 DOI: 10.1101/2023.04.07.23288289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Background Prenatal indoor air pollution and maternal psychosocial factors have been associated with adverse psychopathology. We used environmental exposure mixture methodology to investigate joint effects of both exposure classes on child behavior trajectories. Methods For 360 children from the South African Drakenstein Child Health Study, we created trajectories of Child Behavior Checklist scores (24, 42, 60 months) using latent class linear mixed effects models. Indoor air pollutants and psychosocial factors were measured during pregnancy (2 nd trimester). After adjusting for confounding, single-exposure effects (per natural log-1 unit increase) were assessed using polytomous logistic regression models; joint effects using self-organizing maps (SOM), and principal component (PC) analysis. Results High externalizing trajectory was associated with increased particulate matter (PM 10 ) exposure (OR [95%-CI]: 1.25 [1.01,1.55]) and SOM exposure profile most associated with smoking (2.67 [1.14,6.27]). Medium internalizing trajectory was associated with increased emotional intimate partner violence (2.66 [1.17,5.57]), increasing trajectory with increased benzene (1.24 [1.02,1.51]) and toluene (1.21 [1.02,1.44]) and the PC most correlated with benzene and toluene (1.25 [1.02, 1.54]). Conclusions Prenatal exposure to environmental pollutants and psychosocial factors was associated with internalizing and externalizing child behavior trajectories. Understanding joint effects of adverse exposure mixtures will facilitate targeted interventions to prevent childhood psychopathology.
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Carstens KE, Freudenrich T, Wallace K, Choo S, Carpenter A, Smeltz M, Clifton MS, Henderson WM, Richard AM, Patlewicz G, Wetmore BA, Paul Friedman K, Shafer T. Evaluation of Per- and Polyfluoroalkyl Substances (PFAS) In Vitro Toxicity Testing for Developmental Neurotoxicity. Chem Res Toxicol 2023; 36:402-419. [PMID: 36821828 PMCID: PMC10249374 DOI: 10.1021/acs.chemrestox.2c00344] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are a diverse set of commercial chemicals widely detected in humans and the environment. However, only a limited number of PFAS are associated with epidemiological or experimental data for hazard identification. To provide developmental neurotoxicity (DNT) hazard information, the work herein employed DNT new approach methods (NAMs) to generate in vitro screening data for a set of 160 PFAS. The DNT NAMs battery was comprised of the microelectrode array neuronal network formation assay (NFA) and high-content imaging (HCI) assays to evaluate proliferation, apoptosis, and neurite outgrowth. The majority of PFAS (118/160) were inactive or equivocal in the DNT NAMs, leaving 42 active PFAS that decreased measures of neural network connectivity and neurite length. Analytical quality control indicated 43/118 inactive PFAS samples and 10/42 active PFAS samples were degraded; as such, careful interpretation is required as some negatives may have been due to loss of the parent PFAS, and some actives may have resulted from a mixture of parent and/or degradants of PFAS. PFAS containing a perfluorinated carbon (C) chain length ≥8, a high C:fluorine ratio, or a carboxylic acid moiety were more likely to be bioactive in the DNT NAMs. Of the PFAS positives in DNT NAMs, 85% were also active in other EPA ToxCast assays, whereas 79% of PFAS inactives in the DNT NAMs were active in other assays. These data demonstrate that a subset of PFAS perturb neurodevelopmental processes in vitro and suggest focusing future studies of DNT on PFAS with certain structural feature descriptors.
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Affiliation(s)
- Kelly E Carstens
- Center for Computational Toxicology and Exposure, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
| | - Theresa Freudenrich
- Center for Computational Toxicology and Exposure, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
| | - Kathleen Wallace
- Center for Computational Toxicology and Exposure, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
| | - Seline Choo
- Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, Tennessee 37830, United States
| | - Amy Carpenter
- Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, Tennessee 37830, United States
| | - Marci Smeltz
- Center for Environmental Measurement and Modeling, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
| | - Matthew S Clifton
- Center for Environmental Measurement and Modeling, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
| | - W Matthew Henderson
- Center for Environmental Measurement and Modeling, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
| | - Ann M Richard
- Center for Computational Toxicology and Exposure, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
| | - Grace Patlewicz
- Center for Computational Toxicology and Exposure, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
| | - Barbara A Wetmore
- Center for Computational Toxicology and Exposure, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
| | - Katie Paul Friedman
- Center for Computational Toxicology and Exposure, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
| | - Timothy Shafer
- Center for Computational Toxicology and Exposure, ORD, US EPA, Research Triangle Park, North Carolina 27711, United States
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Zhao G, Liu SJ, Gan XY, Li JR, Wu XX, Liu SY, Jin YS, Zhang KR, Wu HM. Analysis of Whole Blood and Urine Trace Elements in Children with Autism Spectrum Disorders and Autistic Behaviors. Biol Trace Elem Res 2023; 201:627-635. [PMID: 35305538 PMCID: PMC9849157 DOI: 10.1007/s12011-022-03197-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 03/09/2022] [Indexed: 01/22/2023]
Abstract
The relationship between trace elements and neurological development is an emerging research focus. We performed a case-control study to explore (1) the differences of 13 trace elements chromium (Cr), manganese (Mn), cobalt (Co), zinc (Zn), arsenic (As), selenium (Se), molybdenum (Mo), cadmium (Cd), stannum (Sn), stibium (Sb), mercury (Hg), titanium (TI), and plumbum (Pb) concentration in whole blood and urine between autism spectrum disorder (ASD) children and their typical development peers, and (2) the association between the 13 trace elements and core behaviors of ASD. Thirty ASD subjects (cases) and 30 age-sex-matched healthy subjects from Baise City, Guangxi Zhuang Autonomous Region, China, were recruited. Element analysis was carried out by inductively coupled plasma-optical emission spectrometry. Autistic behaviors were assessed using Autism Behavior Checklist (ABC), Childhood Autism Rating Scale (CARS), and Children Neuropsychological and Behavior Scale (CNBS). The whole blood concentrations of Mo (p = 0.004), Cd (0.007), Sn (p = 0.003), and Pb (p = 0.037) were significantly higher in the ASD cases than in the controls. Moreover, Se (0.393), Hg (0.408), and Mn (- 0.373) concentrations were significantly correlated between whole blood and urine levels in ASD case subjects. There were significant correlations between whole blood Sb (0.406), Tl (0.365), Mo (- 0.4237), Mn (- 0.389), Zn (0.476), and Se (0.375) levels and core behaviors of ASD. Although the mechanism of trace element imbalance in ASD is unclear, these data demonstrate that core behaviors of ASD may be affected by certain trace elements. Further studies are recommended for exploring the mechanism of element imbalance and providing corresponding clinical treatment measures.
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Affiliation(s)
- Gang Zhao
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, 030001 China
- Department of Child Health Care, Maternity and Child Healthcare Hospital of Nanshan District, 1 Wanxia Road, Nanshan District, Shenzhen, 518067 China
| | - Si-jin Liu
- Department of Nursing, Harbin Medical University in Daqing, Daqing, 163319 China
| | - Xin-yu Gan
- Department of Rehabilitation of the Heilongjiang Province Land Reclamation Headquarters General Hospital, Harbin, 150081 China
- Harbin Medical University in Daqing, Daqing, 163319 Heilongjiang China
| | - Jun-ru Li
- Department of Nursing, Harbin Medical University in Daqing, Daqing, 163319 China
| | - Xiao-xue Wu
- Department of Nursing, Harbin Medical University in Daqing, Daqing, 163319 China
| | - Si-yan Liu
- Department of Nursing, Harbin Medical University in Daqing, Daqing, 163319 China
| | - Yi-si Jin
- Department of Rehabilitation, The Fifth Affiliated Hospital of Harbin Medical University, Daqing, 163000 China
| | - Ke-rang Zhang
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, 030001 China
| | - Hong-mei Wu
- Department of Nursing, Harbin Medical University in Daqing, Daqing, 163319 China
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Morel C, Schroeder H, Emond C, Turner JD, Lichtfouse E, Grova N. Brominated flame retardants, a cornelian dilemma. ENVIRONMENTAL CHEMISTRY LETTERS 2023; 21:9-14. [PMID: 35095379 PMCID: PMC8783781 DOI: 10.1007/s10311-022-01392-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Affiliation(s)
- Chloé Morel
- Calbinotox, Faculty of Science and Technology, University of Lorraine, Campus Aiguillettes, B.P. 70239, 54506 Vandoeuvre-lès-Nancy, France
| | - Henri Schroeder
- Calbinotox, Faculty of Science and Technology, University of Lorraine, Campus Aiguillettes, B.P. 70239, 54506 Vandoeuvre-lès-Nancy, France
- UMR Inserm 1256 nGERE, Nutrition-Génétique et Exposition aux risques environnementaux, Institute of Medical Research (Pôle BMS, University of Lorraine, B.P. 184, 54511 Vandoeuvre-lès-Nancy, France
| | - Claude Emond
- Calbinotox, Faculty of Science and Technology, University of Lorraine, Campus Aiguillettes, B.P. 70239, 54506 Vandoeuvre-lès-Nancy, France
- PKSH Inc, Mascouche, QC Canada
- School of Public Health, DSEST, University of Montreal, Montreal, QC Canada
| | - Jonathan D. Turner
- Immune Endocrine Epigenetics Research Group, Department of Infection and Immunity, Luxembourg Institute of Health, 29, rue Henri Koch, L-4354 Esch-Sur-Alzette, Grand Duchy of Luxembourg
| | - Eric Lichtfouse
- Aix-Marseille Univ, CNRS, IRD, INRAE, CEREGE, 13100 Aix en Provence, France
| | - Nathalie Grova
- Calbinotox, Faculty of Science and Technology, University of Lorraine, Campus Aiguillettes, B.P. 70239, 54506 Vandoeuvre-lès-Nancy, France
- UMR Inserm 1256 nGERE, Nutrition-Génétique et Exposition aux risques environnementaux, Institute of Medical Research (Pôle BMS, University of Lorraine, B.P. 184, 54511 Vandoeuvre-lès-Nancy, France
- Immune Endocrine Epigenetics Research Group, Department of Infection and Immunity, Luxembourg Institute of Health, 29, rue Henri Koch, L-4354 Esch-Sur-Alzette, Grand Duchy of Luxembourg
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Usman IM, Adebisi SS, Musa SA, Iliya IA, Ochieng JJ, Ivang AE, Peter AB, Okesina AA. Neurobehavioral and Immunohistochemical Studies of the Cerebral Cortex Following Treatment with Ethyl Acetate Leaf Fraction of Tamarindus indica During Prenatal Aluminum Chloride Exposure in Wistar Rats. J Exp Pharmacol 2022; 14:275-289. [PMID: 36303592 PMCID: PMC9592736 DOI: 10.2147/jep.s369631] [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: 04/06/2022] [Accepted: 10/12/2022] [Indexed: 11/11/2022] Open
Abstract
Purpose The recent increase in aluminum exposure and its effect on the development of the brain call for serious attention. The study investigated the behavioral and immunohistochemical changes in the cerebral cortex of Wistar rats following prenatal co-administration of ethyl acetate leaf fraction of Tamarindus indica (EATI) and aluminum chloride (AlCl3). Methods Pregnant Wistar rats were divided into 5 groups (n=4). Group I (negative control), Group II-V were experimental groups treated with 200 mg/kg of AlCl3 s/c. Group III and IV received an additional 400 mg/kg and 800 mg/kg of EATI respectively, while Group V received an additional 300 mg/kg of Vitamin E for 14 days (prenatal days 7-21) via the oral route. The pups were then exposed to cliff avoidance, negative geotaxis, and elevated plus maze (EPM) test on the post-natal day (PoND) 4-6, 7-10, and 18 respectively. On PoND 21 pups were sacrificed, and the skull dissected to remove the brain. The harvested brain tissues were processed for Cresyl fast (CF) and glial fibrillary acid protein (GFAP). Results The study showed that EATI administration during AlCl3 exposure was associated with significant improvement in sensory-motor development. The EPM, CF, and GFAP results revealed significant improvement in anxiety-like behavior, motor activities, GFAP expression, pyramidal cell count, and Nissl staining following prenatal EATI administration during AlCl3 exposure. Conclusion The present study concludes that EATI was associated with some protective potential during prenatal AlCl3 exposure in Wistar rats.
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Affiliation(s)
- Ibe Michael Usman
- Department of Human Anatomy, Ahmadu Bello University, Zaria, Kaduna State, Nigeria
- Department of Human Anatomy, Kampala International University, Bushenyi, Uganda
| | | | - Sunday Abraham Musa
- Department of Human Anatomy, Ahmadu Bello University, Zaria, Kaduna State, Nigeria
| | | | - Juma John Ochieng
- Department of Human Anatomy, Kampala International University, Bushenyi, Uganda
| | | | - Akwu Bala Peter
- Department of Human Anatomy, Kampala International University, Bushenyi, Uganda
| | - Akeem Ayodeji Okesina
- Department of Human Anatomy, Kampala International University, Bushenyi, Uganda
- Department of Clinical Medicine and Community Health, University of Rwanda, Kigali, Rwanda
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14
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de Leeuw VC, van Oostrom CTM, Wackers PFK, Pennings JLA, Hodemaekers HM, Piersma AH, Hessel EVS. Neuronal differentiation pathways and compound-induced developmental neurotoxicity in the human neural progenitor cell test (hNPT) revealed by RNA-seq. CHEMOSPHERE 2022; 304:135298. [PMID: 35700809 PMCID: PMC9247748 DOI: 10.1016/j.chemosphere.2022.135298] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 05/30/2022] [Accepted: 06/08/2022] [Indexed: 05/27/2023]
Abstract
There is an increased awareness that the use of animals for compound-induced developmental neurotoxicity (DNT) testing has limitations. Animal-free innovations, especially the ones based on human stem cell-based models are pivotal in studying DNT since they can mimic processes relevant to human brain development. Here we present the human neural progenitor test (hNPT), a 10-day protocol in which neural progenitor cells differentiate into a neuron-astrocyte co-culture. The study aimed to characterise differentiation over time and to find neurodevelopmental processes sensitive to compound exposure using transcriptomics. 3992 genes regulated in unexposed control cultures (p ≤ 0.001, log2FC ≥ 1) showed Gene Ontology (GO-) term enrichment for neuronal and glial differentiation, neurite extension, synaptogenesis, and synaptic transmission. Exposure to known or suspected DNT compounds (acrylamide, chlorpyrifos, fluoxetine, methyl mercury, or valproic acid) at concentrations resulting in 95% cell viability each regulated unique combinations of GO-terms relating to neural progenitor proliferation, neuronal and glial differentiation, axon development, synaptogenesis, synaptic transmission, and apoptosis. Investigation of the GO-terms 'neuron apoptotic process' and 'axon development' revealed common genes that were responsive across compounds, and might be used as biomarkers for DNT. The GO-term 'synaptic signalling', on the contrary, whilst also responsive to all compounds tested, showed little overlap in gene expression regulation patterns between the conditions. This GO-term may articulate compound-specific effects that may be relevant for revealing differences in mechanism of toxicity. Given its focus on neural progenitor cell to mature multilineage neuronal cell maturation and its detailed molecular readout based on gene expression analysis, hNPT might have added value as a tool for neurodevelopmental toxicity testing in vitro. Further assessment of DNT-specific biomarkers that represent these processes needs further studies.
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Affiliation(s)
- Victoria C de Leeuw
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands; Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, the Netherlands.
| | - Conny T M van Oostrom
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Paul F K Wackers
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Jeroen L A Pennings
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Hennie M Hodemaekers
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Aldert H Piersma
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands; Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, the Netherlands
| | - Ellen V S Hessel
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
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Shcherbitskaia AD, Kovalenko AA, Milyutina YP, Vasilev DS. Thyroid Hormone Production and Transplacental Transfer in the “Mother–Fetus” System during Gestational Hyperhomocysteinemia. NEUROCHEM J+ 2022. [DOI: 10.1134/s1819712422030102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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16
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Könemann S, von Wyl M, Vom Berg C. Zebrafish Larvae Rapidly Recover from Locomotor Effects and Neuromuscular Alterations Induced by Cholinergic Insecticides. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:8449-8462. [PMID: 35575681 DOI: 10.1021/acs.est.2c00161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Owing to the importance of acetylcholine as a neurotransmitter, many insecticides target the cholinergic system. Across phyla, cholinergic signaling is essential for many neuro-developmental processes including axonal pathfinding and synaptogenesis. Consequently, early-life exposure to such insecticides can disturb these processes, resulting in an impaired nervous system. One test frequently used to assess developmental neurotoxicity is the zebrafish light-dark transition test, which measures larval locomotion as a response to light changes. However, it is only poorly understood which structural alterations cause insecticide-induced locomotion defects and how persistent these alterations are. Therefore, this study aimed to link locomotion defects with effects on neuromuscular structures, including motorneurons, synapses, and muscles, and to investigate the longevity of the effects. The cholinergic insecticides diazinon and dimethoate (organophosphates), methomyl and pirimicarb (carbamates), and imidacloprid and thiacloprid (neonicotinoids) were used to induce hypoactivity. Our analyses revealed that some insecticides did not alter any of the structures assessed, while others affected axon branching (methomyl, imidacloprid) or muscle integrity (methomyl, thiacloprid). The majority of effects, even structural, were reversible within 24 to 72 h. Overall, we find that both neurodevelopmental and non-neurodevelopmental effects of different longevity can account for the reduced locomotion. These findings provide unprecedented insights into the underpinnings of insecticide-induced hypoactivity.
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Affiliation(s)
- Sarah Könemann
- Department of Environmental Toxicology, Eawag, Überlandstrasse 133, 8600 Dübendorf, Switzerland
- École Polytechnique Fédéral de Lausanne, EPFL, Route Cantonale, 1015 Lausanne, Switzerland
| | - Melissa von Wyl
- Department of Environmental Toxicology, Eawag, Überlandstrasse 133, 8600 Dübendorf, Switzerland
- University of Zurich, UZH, Rämistrassse 71, 8006 Zurich, Switzerland
| | - Colette Vom Berg
- Department of Environmental Toxicology, Eawag, Überlandstrasse 133, 8600 Dübendorf, Switzerland
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Sokolov AV, Dubrovskaya NM, Kostevich VA, Vasilev DS, Voynova IV, Zakharova ET, Runova OL, Semak IV, Budevich AI, Nalivaeva NN, Vasilyev VB. Lactoferrin Induces Erythropoietin Synthesis and Rescues Cognitive Functions in the Offspring of Rats Subjected to Prenatal Hypoxia. Nutrients 2022; 14:nu14071399. [PMID: 35406012 PMCID: PMC9003537 DOI: 10.3390/nu14071399] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 03/18/2022] [Accepted: 03/24/2022] [Indexed: 02/06/2023] Open
Abstract
The protective effects of recombinant human lactoferrin rhLF (branded “CAPRABEL™”) on the cognitive functions of rat offspring subjected to prenatal hypoxia (7% O2, 3 h, 14th day of gestation) have been analyzed. About 90% of rhLF in CAPRABEL was iron-free (apo-LF). Rat dams received several injections of 10 mg of CAPRABEL during either gestation (before and after the hypoxic attack) or lactation. Western blotting revealed the appearance of erythropoietin (EPO) alongside the hypoxia-inducible factors (HIFs) in organ homogenates of apo-rhLF-treated pregnant females, their embryos (but not placentas), and in suckling pups from the dams treated with apo-rhLF during lactation. Apo-rhLF injected to rat dams either during pregnancy or nurturing the pups was able to rescue cognitive deficits caused by prenatal hypoxia and improve various types of memory both in young and adult offspring when tested in the radial maze and by the Novel Object Recognition (NOR) test. The data obtained suggested that the apo-form of human LF injected to female rats during gestation or lactation protects the cognitive functions of their offspring impaired by prenatal hypoxia.
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Affiliation(s)
- Alexey V. Sokolov
- Department of Molecular Genetics, Institute of Experimental Medicine, Acad. Pavlov Str. 12, 197376 Saint-Petersburg, Russia; (V.A.K.); (I.V.V.); (E.T.Z.); (O.L.R.)
- Faculty of Dental Medicine and Medical Technologies, Saint Petersburg State University, 8A 21st Line V.O., 199034 Saint-Petersburg, Russia
- Correspondence: (A.V.S.); (V.B.V.)
| | - Nadezhda M. Dubrovskaya
- Laboratory of Physiology and Pathology of CNS, Sechenov Institute of Evolutionary Physiology and Biochemistry, 44 Thorez Ave., 194223 Saint-Petersburg, Russia; (N.M.D.); (D.S.V.); (N.N.N.)
| | - Valeria A. Kostevich
- Department of Molecular Genetics, Institute of Experimental Medicine, Acad. Pavlov Str. 12, 197376 Saint-Petersburg, Russia; (V.A.K.); (I.V.V.); (E.T.Z.); (O.L.R.)
| | - Dmitrii S. Vasilev
- Laboratory of Physiology and Pathology of CNS, Sechenov Institute of Evolutionary Physiology and Biochemistry, 44 Thorez Ave., 194223 Saint-Petersburg, Russia; (N.M.D.); (D.S.V.); (N.N.N.)
| | - Irina V. Voynova
- Department of Molecular Genetics, Institute of Experimental Medicine, Acad. Pavlov Str. 12, 197376 Saint-Petersburg, Russia; (V.A.K.); (I.V.V.); (E.T.Z.); (O.L.R.)
| | - Elena T. Zakharova
- Department of Molecular Genetics, Institute of Experimental Medicine, Acad. Pavlov Str. 12, 197376 Saint-Petersburg, Russia; (V.A.K.); (I.V.V.); (E.T.Z.); (O.L.R.)
| | - Olga L. Runova
- Department of Molecular Genetics, Institute of Experimental Medicine, Acad. Pavlov Str. 12, 197376 Saint-Petersburg, Russia; (V.A.K.); (I.V.V.); (E.T.Z.); (O.L.R.)
| | - Igor V. Semak
- Department of Biochemistry, Faculty of Biology, Belarusian State University, Nezavisimisty Ave. 4, 220030 Minsk, Belarus;
| | - Alexander I. Budevich
- Scientific and Practical Centre on Animal Husbandry of the National Academy of Sciences of Belarus, 11 Frunze Str., 222160 Zhodino, Belarus;
| | - Natalia N. Nalivaeva
- Laboratory of Physiology and Pathology of CNS, Sechenov Institute of Evolutionary Physiology and Biochemistry, 44 Thorez Ave., 194223 Saint-Petersburg, Russia; (N.M.D.); (D.S.V.); (N.N.N.)
| | - Vadim B. Vasilyev
- Department of Molecular Genetics, Institute of Experimental Medicine, Acad. Pavlov Str. 12, 197376 Saint-Petersburg, Russia; (V.A.K.); (I.V.V.); (E.T.Z.); (O.L.R.)
- Faculty of Dental Medicine and Medical Technologies, Saint Petersburg State University, 8A 21st Line V.O., 199034 Saint-Petersburg, Russia
- Correspondence: (A.V.S.); (V.B.V.)
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Rahman MM, Shu YH, Chow T, Lurmann FW, Yu X, Martinez MP, Carter SA, Eckel SP, Chen JC, Chen Z, Levitt P, Schwartz J, McConnell R, Xiang AH. Prenatal Exposure to Air Pollution and Autism Spectrum Disorder: Sensitive Windows of Exposure and Sex Differences. ENVIRONMENTAL HEALTH PERSPECTIVES 2022; 130:17008. [PMID: 35040691 PMCID: PMC8765363 DOI: 10.1289/ehp9509] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 12/02/2021] [Accepted: 12/22/2021] [Indexed: 05/24/2023]
Abstract
BACKGROUND Studies have shown that air pollution exposures during pregnancy are associated with an increased risk of autism spectrum disorder (ASD) in children, and the risk appears to be greater for boys. However, studies assessing gestational windows of susceptibility have been mostly limited by trimesters. OBJECTIVE We identified sensitive windows of exposure to regional air pollution and risk of ASD and examined sex differences in a large birth cohort. METHODS This population-based retrospective cohort study included 294,937 mother-child pairs with singleton deliveries in Kaiser Permanente Southern California (KPSC) hospitals from 2001 to 2014. Children were followed using electronic medical records until clinical ASD diagnosis, non-KPSC membership, death, or 31 December 2019, whichever came first. Weekly mean fine particulate matter [PM with an aerodynamic diameter of ≤2.5μm (PM2.5)], nitrogen dioxide (NO2), and ozone (O3) pregnancy exposures were estimated using spatiotemporal prediction models. Cox proportional hazard models with distributed lags were used to estimate weekly pollutant exposure associations with ASD risk for the entire cohort, and separately for boys and for girls. Models were adjusted for child sex (for full cohort), maternal race/ethnicity, maternal age at delivery, parity, maternal education, maternal comorbidities, medical center, census tract median household income, birth year, and season. RESULTS There were 5,694 ASD diagnoses (4,636 boys, 1,058 girls). Sensitive PM2.5 exposure windows associated with ASD were found early in pregnancy, statistically significant throughout the first two trimesters [1-27 wk of gestation, cumulative hazard ratio (HR)=1.14 [95% confidence interval (CI): 1.06, 1.23] per interquartile range (IQR) (7.4-μg/m3) increase]. O3 exposure during 34-37 wk of gestation was associated with increased risk [HR=1.06 (95% CI: 1.01, 1.11) per IQR (17.4 ppb) increase] but with reduced risk during 20-28 wk of gestation [HR=0.93 (95% CI: 0.89, 0.98)]. No associations were observed with NO2. Sex-stratified early gestational PM2.5 associations were stronger among boys [boys HR=1.16 (95% CI: 1.08, 1.26); girls HR=1.06 (95% CI: 0.89, 1.26)]. O3 associations in later gestation were observed only in boys [boys HR=1.10 (95% CI: 1.04, 1.16); girls HR=0.94 (95% CI: 0.84, 1.05)]. CONCLUSIONS Exposures to PM2.5 in the first two gestational trimesters were associated with increased ASD risk in children, with stronger associations observed for boys. The role of O3 exposure on ASD risk merits further investigation. https://doi.org/10.1289/EHP9509.
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Affiliation(s)
- Md Mostafijur Rahman
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
| | - Yu-Hsiang Shu
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, California, USA
| | - Ting Chow
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, California, USA
| | | | - Xin Yu
- Spatial Science Institute, USC, Los Angeles, California, USA
| | - Mayra P. Martinez
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, California, USA
| | - Sarah A. Carter
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, California, USA
| | - Sandrah P. Eckel
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
| | - Jiu-Chiuan Chen
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
| | - Zhanghua Chen
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
| | - Pat Levitt
- Department of Pediatrics and Program in Developmental Neuroscience and Neurogenetics, Keck School of Medicine, Saban Research Institute, Children’s Hospital Los Angeles, USC, Los Angeles, California, USA
| | - Joel Schwartz
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Rob McConnell
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
| | - Anny H. Xiang
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, California, USA
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van den Dries MA, Ferguson KK, Keil AP, Pronk A, Spaan S, Ghassabian A, Santos S, Jaddoe VWV, Trasande L, Tiemeier H, Guxens M. Prenatal Exposure to Nonpersistent Chemical Mixtures and Offspring IQ and Emotional and Behavioral Problems. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:16502-16514. [PMID: 34878787 PMCID: PMC11148873 DOI: 10.1021/acs.est.1c04455] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Prenatal exposure to nonpersistent chemicals such as phthalates, bisphenols, and organophosphate (OP) pesticides is ubiquitous and occurs in mixtures. So far, epidemiological studies investigating neurodevelopmental consequences of these exposures have mainly been restricted to single-pollutant models. Thus, we studied the association between prenatal exposure to nonpersistent chemical mixtures and child IQ and emotional and behavioral problems. Data came from 782 mother-child pairs. Eleven phthalate, one bisphenol, and five OP pesticide urinary exposure biomarkers were measured three times during pregnancy and averaged. Nonverbal IQ, internalizing and attention problems, aggressive behavior, and autistic traits were assessed at child age 6 years. We used quantile g-computation to estimate the change in each outcome per quartile increase in all chemicals within the mixture. Higher exposure to the mixture was associated with lower nonverbal IQ (-4.0 points (95%CI = -7.0, -1.0), -5.5 points (95%CI = -10.2, -0.9), and -4.6 points (95%CI = -10.8, 1.5) for the second, third, and fourth quartile, respectively, compared to the first quartile). These results were mainly driven by the phthalate mixture. No association was observed with emotional and behavioral problems. Prenatal exposure to nonpersistent chemical mixtures was associated with lower nonverbal IQ in children. Exposure to chemical mixtures during gestation is universal and may impact neurodevelopment.
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Affiliation(s)
- Michiel A van den Dries
- Department of Child and Adolescent Psychiatry, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CN The Netherlands
- The Generation R Study Group, Erasmus MC University Medical Center Rotterdam, The Generation R Study Group, Rotterdam, 3015 CN The Netherlands
- ISGlobal, Barcelona, 08003, Spain
- Pompeu Fabra University, Barcelona, 08002, Spain
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Madrid, 28029, Spain
| | - Kelly K Ferguson
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Durham, North Carolina 27709, United States
| | - Alexander P Keil
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Durham, North Carolina 27709, United States
- Department of Epidemiology, University of North Carolina, Chapel Hill North Carolina 27516, United States
| | - Anjoeka Pronk
- Department of Risk Analysis for Products in Development, TNO, Utrecht, 3584 CB, The Netherlands
| | - Suzanne Spaan
- Department of Risk Analysis for Products in Development, TNO, Utrecht, 3584 CB, The Netherlands
| | - Akhgar Ghassabian
- Department of Pediatrics, New York University School of Medicine, New York City, New York 10016, United States
- Department of Environmental Medicine, New York University School of Medicine, New York City, New York 10016, United States
- Department of Population Health, New York University School of Medicine, New York City, New York 10016, United States
| | - Susana Santos
- The Generation R Study Group, Erasmus MC University Medical Center Rotterdam, The Generation R Study Group, Rotterdam, 3015 CN The Netherlands
- Department of Pediatrics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, 3015 CN The Netherlands
| | - Vincent W V Jaddoe
- The Generation R Study Group, Erasmus MC University Medical Center Rotterdam, The Generation R Study Group, Rotterdam, 3015 CN The Netherlands
- Department of Pediatrics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, 3015 CN The Netherlands
| | - Leonardo Trasande
- Department of Pediatrics, New York University School of Medicine, New York City, New York 10016, United States
- Department of Environmental Medicine, New York University School of Medicine, New York City, New York 10016, United States
- Department of Population Health, New York University School of Medicine, New York City, New York 10016, United States
- New York University Wagner School of Public Service, New York City, New York 10012, United States
- New York University College of Global Public Health, New York City, New York 10003, United States
| | - Henning Tiemeier
- Department of Child and Adolescent Psychiatry, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CN The Netherlands
- Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Mònica Guxens
- Department of Child and Adolescent Psychiatry, Erasmus MC University Medical Center Rotterdam, Rotterdam, 3015 CN The Netherlands
- ISGlobal, Barcelona, 08003, Spain
- Pompeu Fabra University, Barcelona, 08002, Spain
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Madrid, 28029, Spain
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20
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Turner AD, Sullivan T, Drury K, Hall TA, Williams CN, Guilliams KP, Murphy S, Iqbal O’Meara AM. Cognitive Dysfunction After Analgesia and Sedation: Out of the Operating Room and Into the Pediatric Intensive Care Unit. Front Behav Neurosci 2021; 15:713668. [PMID: 34483858 PMCID: PMC8415404 DOI: 10.3389/fnbeh.2021.713668] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 07/26/2021] [Indexed: 11/13/2022] Open
Abstract
In the midst of concerns for potential neurodevelopmental effects after surgical anesthesia, there is a growing awareness that children who require sedation during critical illness are susceptible to neurologic dysfunctions collectively termed pediatric post-intensive care syndrome, or PICS-p. In contrast to healthy children undergoing elective surgery, critically ill children are subject to inordinate neurologic stress or injury and need to be considered separately. Despite recognition of PICS-p, inconsistency in techniques and timing of post-discharge assessments continues to be a significant barrier to understanding the specific role of sedation in later cognitive dysfunction. Nonetheless, available pediatric studies that account for analgesia and sedation consistently identify sedative and opioid analgesic exposures as risk factors for both in-hospital delirium and post-discharge neurologic sequelae. Clinical observations are supported by animal models showing neuroinflammation, increased neuronal death, dysmyelination, and altered synaptic plasticity and neurotransmission. Additionally, intensive care sedation also contributes to sleep disruption, an important and overlooked variable during acute illness and post-discharge recovery. Because analgesia and sedation are potentially modifiable, understanding the underlying mechanisms could transform sedation strategies to improve outcomes. To move the needle on this, prospective clinical studies would benefit from cohesion with regard to datasets and core outcome assessments, including sleep quality. Analyses should also account for the wide range of diagnoses, heterogeneity of this population, and the dynamic nature of neurodevelopment in age cohorts. Much of the related preclinical evidence has been studied in comparatively brief anesthetic exposures in healthy animals during infancy and is not generalizable to critically ill children. Thus, complementary animal models that more accurately "reverse translate" critical illness paradigms and the effect of analgesia and sedation on neuropathology and functional outcomes are needed. This review explores the interactive role of sedatives and the neurologic vulnerability of critically ill children as it pertains to survivorship and functional outcomes, which is the next frontier in pediatric intensive care.
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Affiliation(s)
- Ashley D. Turner
- Division of Pediatric Critical Care, Department of Pediatrics, Washington University in St. Louis, St. Louis, MO, United States
| | - Travis Sullivan
- Department of Surgery, Virginia Commonwealth University School of Medicine, Richmond, VA, United States
| | - Kurt Drury
- Department of Pediatrics, Division of Pediatric Critical Care, Doernbecher Children’s Hospital, Oregon Health & Science University, Portland, OR, United States
| | - Trevor A. Hall
- Department of Pediatrics, Division of Pediatric Psychology, Pediatric Critical Care and Neurotrauma Recovery Program, Doernbecher Children’s Hospital, Oregon Health & Science University, Portland, OR, United States
| | - Cydni N. Williams
- Department of Pediatrics, Division of Pediatric Critical Care, Doernbecher Children’s Hospital, Oregon Health & Science University, Portland, OR, United States
| | - Kristin P. Guilliams
- Division of Pediatric Critical Care, Department of Pediatrics, Washington University in St. Louis, St. Louis, MO, United States
- Division of Pediatric Neurology, Department of Neurology, Washington University in St. Louis, St. Louis, MO, United States
- Division of Neuroradiology, Mallinckrodt Institute of Radiology, Washington University in St. Louis, St. Louis, MO, United States
| | - Sarah Murphy
- Department of Pediatrics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - A. M. Iqbal O’Meara
- Department of Pediatrics, Child Health Research Institute, Children’s Hospital of Richmond at Virginia Commonwealth University School of Medicine, Richmond, VA, United States
- Department of Pediatrics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
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21
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Bourdin-Pintueles A, Galineau L, Nadal-Desbarats L, Dupuy C, Bodard S, Busson J, Lefèvre A, Emond P, Mavel S. Maternal Rat Metabolomics: Amniotic Fluid and Placental Metabolic Profiling Workflows. J Proteome Res 2021; 20:3853-3864. [PMID: 34282913 DOI: 10.1021/acs.jproteome.1c00145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Studying the metabolome of specific gestational compartments is of growing interest in the context of fetus developmental disorders. However, the metabolomes of the placenta and amniotic fluid (AF) are poorly characterized. Therefore, we present the validation of a fingerprinting methodology. Using pregnant rats, we performed exhaustive and robust extractions of metabolites in the AF and lipids and more polar metabolites in the placenta. For the AF, we compared the extraction capabilities of methanol (MeOH), acetonitrile (ACN), and a mixture of both. For the placenta, we compared (i) the extraction capabilities of dichloromethane, methyl t-butyl ether (MTBE), and butanol, along with (ii) the impact of lyophilization of the placental tissue. Analyses were performed on a C18 and hydrophilic interaction liquid chromatography combined with high-resolution mass spectrometry. The efficiency and the robustness of the extractions were compared based on the number of the features or metabolites (for untargeted or targeted approach, respectively), their mean total intensity, and their coefficient of variation (% CV). The extraction capabilities of MeOH and ACN on the AF metabolome were equivalent. Lyophilization also had no significant impact and usefulness on the placental tissue metabolome profiling. Considering the placental lipidome, MTBE extraction was more informative because it allowed extraction of a slightly higher number of lipids, in higher concentration. This proof-of-concept study assessing the metabolomics and lipidomics of the AF and the placenta revealed changes in both metabolisms, at two different stages of rat gestation, and allowed a detailed prenatal metabolic fingerprinting.
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Affiliation(s)
| | - Laurent Galineau
- UMR 1253 iBrain, Université de Tours, Inserm, Tours 37000, France
| | | | - Camille Dupuy
- UMR 1253 iBrain, Université de Tours, Inserm, Tours 37000, France
| | - Sylvie Bodard
- UMR 1253 iBrain, Université de Tours, Inserm, Tours 37000, France
| | - Julie Busson
- UMR 1253 iBrain, Université de Tours, Inserm, Tours 37000, France
| | - Antoine Lefèvre
- UMR 1253 iBrain, Université de Tours, Inserm, Tours 37000, France
| | - Patrick Emond
- UMR 1253 iBrain, Université de Tours, Inserm, Tours 37000, France.,CHRU de Tours, Service de Médecine Nucléaire In Vitro, Tours 37000, France
| | - Sylvie Mavel
- UMR 1253 iBrain, Université de Tours, Inserm, Tours 37000, France
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22
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Hunter I, Coulson B, Zarin AA, Baines RA. The Drosophila Larval Locomotor Circuit Provides a Model to Understand Neural Circuit Development and Function. Front Neural Circuits 2021; 15:684969. [PMID: 34276315 PMCID: PMC8282269 DOI: 10.3389/fncir.2021.684969] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 06/09/2021] [Indexed: 11/13/2022] Open
Abstract
It is difficult to answer important questions in neuroscience, such as: "how do neural circuits generate behaviour?," because research is limited by the complexity and inaccessibility of the mammalian nervous system. Invertebrate model organisms offer simpler networks that are easier to manipulate. As a result, much of what we know about the development of neural circuits is derived from work in crustaceans, nematode worms and arguably most of all, the fruit fly, Drosophila melanogaster. This review aims to demonstrate the utility of the Drosophila larval locomotor network as a model circuit, to those who do not usually use the fly in their work. This utility is explored first by discussion of the relatively complete connectome associated with one identified interneuron of the locomotor circuit, A27h, and relating it to similar circuits in mammals. Next, it is developed by examining its application to study two important areas of neuroscience research: critical periods of development and interindividual variability in neural circuits. In summary, this article highlights the potential to use the larval locomotor network as a "generic" model circuit, to provide insight into mammalian circuit development and function.
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Affiliation(s)
- Iain Hunter
- Division of Neuroscience and Experimental Psychology, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, School of Biological Sciences, University of Manchester, Manchester, United Kingdom
| | - Bramwell Coulson
- Division of Neuroscience and Experimental Psychology, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, School of Biological Sciences, University of Manchester, Manchester, United Kingdom
| | - Aref Arzan Zarin
- Department of Biology, The Texas A&M Institute for Neuroscience, Texas A&M University, College Station, TX, United States
| | - Richard A Baines
- Division of Neuroscience and Experimental Psychology, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, School of Biological Sciences, University of Manchester, Manchester, United Kingdom
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23
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Li RA, Talikka M, Gubian S, Vom Berg C, Martin F, Peitsch MC, Hoeng J, Zupanic A. Systems Toxicology Approach for Assessing Developmental Neurotoxicity in Larval Zebrafish. Front Genet 2021; 12:652632. [PMID: 34211495 PMCID: PMC8239408 DOI: 10.3389/fgene.2021.652632] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 05/20/2021] [Indexed: 11/13/2022] Open
Abstract
Adverse outcomes that result from chemical toxicity are rarely caused by dysregulation of individual proteins; rather, they are often caused by system-level perturbations in networks of molecular events. To fully understand the mechanisms of toxicity, it is necessary to recognize the interactions of molecules, pathways, and biological processes within these networks. The developing brain is a prime example of an extremely complex network, which makes developmental neurotoxicity one of the most challenging areas in toxicology. We have developed a systems toxicology method that uses a computable biological network to represent molecular interactions in the developing brain of zebrafish larvae. The network is curated from scientific literature and describes interactions between biological processes, signaling pathways, and adverse outcomes associated with neurotoxicity. This allows us to identify important signaling hubs, pathway interactions, and emergent adverse outcomes, providing a more complete understanding of neurotoxicity. Here, we describe the construction of a zebrafish developmental neurotoxicity network and its validation by integration with publicly available neurotoxicity-related transcriptomic datasets. Our network analysis identified consistent regulation of tumor suppressors p53 and retinoblastoma 1 (Rb1) as well as the oncogene Krüppel-like factor (Klf8) in response to chemically induced developmental neurotoxicity. The developed network can be used to interpret transcriptomic data in a neurotoxicological context.
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Affiliation(s)
- Roman A Li
- Eawag, Dübendorf, Switzerland.,PMI R&D, Philip Morris Products S.A., Neuchâtel, Switzerland
| | - Marja Talikka
- PMI R&D, Philip Morris Products S.A., Neuchâtel, Switzerland
| | - Sylvain Gubian
- PMI R&D, Philip Morris Products S.A., Neuchâtel, Switzerland
| | | | - Florian Martin
- PMI R&D, Philip Morris Products S.A., Neuchâtel, Switzerland
| | | | - Julia Hoeng
- PMI R&D, Philip Morris Products S.A., Neuchâtel, Switzerland
| | - Anze Zupanic
- Eawag, Dübendorf, Switzerland.,National Institute of Biology, Ljubljana, Slovenia
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24
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Gindri dos Santos B, Peres Klein C, Scortegagna Crestani M, Moura Maurmann R, Mateus Hözer R, dos Santos Rodrigues K, Maciel August P, Matté C. Naringin Supplementation during Pregnancy Induces Sex and Region-Specific Alterations in the Offspring's Brain Redox Status. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18094805. [PMID: 33946307 PMCID: PMC8124438 DOI: 10.3390/ijerph18094805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/21/2021] [Accepted: 04/27/2021] [Indexed: 11/26/2022]
Abstract
Research has shown the beneficial effects of naringin supplementation to adult rodents, which can ameliorate oxidative stress in disease models. However, evidence has demonstrated that polyphenol supplementation induced detrimental effects when consumed during sensitive periods of development, such as pregnancy. Therefore, we investigated the effect of maternal naringin supplementation during pregnancy on the offspring’s cerebral redox status. Pregnant Wistar rats were divided into control and naringin groups and supplemented from gestational day 15 to gestational day 21. On postnatal days 1, 7, and 21, offspring were euthanized, and the prefrontal cortex, hippocampus, striatum, and cerebellum dissected. On postnatal day 1, maternal naringin supplementation positively modulated the pups’ brain redox status. On postnatal day 7, a pro-oxidative milieu was observed in the offspring’s striatum and cerebellum in a sex-dependent manner, even though the prefrontal cortex and hippocampus were not negatively affected. Besides, the alterations observed on postnatal day 7 did not persist up to weaning. Our findings demonstrated that the effect induced by naringin supplementation in the brain redox status differed according to the period of development in which naringin was consumed since the beneficial effects usually found in the adult rodents became detrimental when the supplementation was applied during pregnancy.
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Affiliation(s)
- Bernardo Gindri dos Santos
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
- Correspondence:
| | - Caroline Peres Klein
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
| | - Mariana Scortegagna Crestani
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (M.S.C.); (R.M.M.)
| | - Rafael Moura Maurmann
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (M.S.C.); (R.M.M.)
| | - Régis Mateus Hözer
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
| | - Karoline dos Santos Rodrigues
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
| | - Pauline Maciel August
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
| | - Cristiane Matté
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (M.S.C.); (R.M.M.)
- Programa de Pós-Graduação em Ciências Biológicas: Fisiologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90050-170, Brazil
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25
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Oliphant K, Ali M, D’Souza M, Hughes PD, Sulakhe D, Wang AZ, Xie B, Yeasin R, Msall ME, Andrews B, Claud EC. Bacteroidota and Lachnospiraceae integration into the gut microbiome at key time points in early life are linked to infant neurodevelopment. Gut Microbes 2021; 13:1997560. [PMID: 34839801 PMCID: PMC8632288 DOI: 10.1080/19490976.2021.1997560] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/28/2021] [Accepted: 10/19/2021] [Indexed: 02/07/2023] Open
Abstract
The early life microbiome plays critical roles in host development, shaping long-term outcomes including brain functioning. It is not known which initial infant colonizers elicit optimal neurodevelopment; thus, this study investigated the association between gut microbiome succession from the first week of life and head circumference growth (HCG), the earliest validated marker for neurodevelopment. Fecal samples were collected weekly from a preterm infant cohort during their neonatal intensive care unit stay and subjected to 16S rRNA gene sequencing for evaluating gut microbiome composition, in conjunction with clinical data and head circumference measurements. Preterm infants with suboptimal HCG trajectories had a depletion in the abundance/prevalence of Bacteroidota and Lachnospiraceae, independent of morbidity and caloric restriction. The severity of gut microbiome depletion matched the timing of significant HCG pattern separation between study groups at 30-week postmenstrual age demonstrating a potential mediating relationship resultant from clinical practices. Consideration of the clinical variables indicated that optimal infant microbiome succession is primarily driven by dispersal limitation (i.e., delivery mode) and secondarily by habitat filtering (i.e., antibiotics and enteral feeding). Bacteroidota and Lachnospiraceae are known core taxa of the adult microbiome, with roles in dietary glycan foraging, beneficial metabolite production and immunity, and our work provides evidence that their integration into the gut microbiome needs to occur early for optimal neurodevelopment.
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Affiliation(s)
- Kaitlyn Oliphant
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Mehneez Ali
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Mark D’Souza
- Center for Research Informatics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Patrick D. Hughes
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Department of Pediatrics, Division of Neonatology, NorthShore University HealthSystem, Evanston, IL, USA
| | - Dinanath Sulakhe
- Center for Research Informatics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Annie Z. Wang
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Bingqing Xie
- Department of Medicine, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Rummanu Yeasin
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Michael E. Msall
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Kennedy Research Center on Intellectual and Developmental Disabilities, University of Chicago, Chicago, IL, USA
| | - Bree Andrews
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Erika C. Claud
- Department of Pediatrics, Biological Sciences Division, University of Chicago, Chicago, IL, USA
- Department of Medicine, Biological Sciences Division, University of Chicago, Chicago, IL, USA
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26
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Kampouri M, Margetaki K, Koutra K, Kyriklaki A, Karakosta P, Anousaki D, Chalkiadaki G, Vafeiadi M, Kogevinas M, Chatzi L. Maternal mild thyroid dysfunction and offspring cognitive and motor development from infancy to childhood: the Rhea mother-child cohort study in Crete, Greece. J Epidemiol Community Health 2020; 75:29-35. [PMID: 32907915 DOI: 10.1136/jech-2019-213309] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 05/12/2020] [Accepted: 08/12/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND Maternal thyroid hormones' supply is crucial for fetal neurodevelopment; however, the role of maternal mild thyroid dysfunction is not clear. We aimed to assess the association of maternal mild thyroid dysfunction with child neuropsychological development from infancy to early childhood. METHODS We included 757 mother-child pairs from the prospective 'Rhea' cohort on Crete, Greece. Maternal thyroid functioning was assessed by quantitative analysis of serum thyroid-stimulating hormone, free thyroxine, thyroid peroxidase antibodies and thyroglobulin antibodies at early gestation (mean=14 weeks). Neuropsychological assessment was based on Bayley Scales of Infant Development (18 months of age), McCarthy Scales of Children's Abilities (4 years of age), Raven's Coloured Progressive Matrices, Trail Making Test and Finger Tapping Test (6 years of age). RESULTS In multivariate adjusted linear regression analyses, maternal hypothyroxinemia was associated with decreased verbal scores at 4 years and reduced motor speed at 6 years of age. Maternal thyroid autoimmunity was associated with decreased child perceptual and motor ability at 4 years of age. Four trajectories of longitudinal non-verbal cognitive development were identified and children exposed to maternal thyroid autoimmunity had increased risk for belonging to an adverse trajectory ('low': adjusted relative risk ratio (RRR) = 2.7 95% CI: (1.4, 5.2), 'high-decreasing': adjusted RRR = 2.2 95% CI: (1.2, 4.0), 'low-increasing': adjusted RRR = 1.8 95% CI: (1.0, 3.2)). CONCLUSION Maternal hypothyroxinemia is associated with reduced offspring verbal and motor ability. Maternal thyroid autoimmunity is associated with decreased offspring perceptual performance and motor ability and increased risk for adverse non-verbal cognitive development from infancy to childhood.
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Affiliation(s)
- Mariza Kampouri
- Department of Social Medicine, University of Crete School of Medicine, Heraklion, Greece
| | - Katerina Margetaki
- Department of Social Medicine, University of Crete School of Medicine, Heraklion, Greece
| | - Katerina Koutra
- Department of Social Medicine, University of Crete School of Medicine, Heraklion, Greece.,Department of Psychology, University of Crete School of Social Sciences, Rethimno, Greece
| | - Andriani Kyriklaki
- Department of Social Medicine, University of Crete School of Medicine, Heraklion, Greece
| | - Polyxeni Karakosta
- Department of Social Medicine, University of Crete School of Medicine, Heraklion, Greece
| | - Despoina Anousaki
- Department of Social Medicine, University of Crete School of Medicine, Heraklion, Greece
| | - Georgia Chalkiadaki
- Department of Social Medicine, University of Crete School of Medicine, Heraklion, Greece
| | - Marina Vafeiadi
- Department of Social Medicine, University of Crete School of Medicine, Heraklion, Greece
| | - Manolis Kogevinas
- Instituto de Salud Global Barcelona, Barcelona, Spain.,Hospital del Mar Institute for Medical Research, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública, Madrid, Spain
| | - Leda Chatzi
- Department of Social Medicine, University of Crete School of Medicine, Heraklion, Greece.,Preventive Medicine, University of Southern California, Los Angeles, California, USA.,Department of Genetics and Cell Biology, Maastricht University Faculty of Health Medicine and Life Sciences, Maastricht, Netherlands
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Nouri A, Hashemzadeh F, Soltani A, Saghaei E, Amini-Khoei H. Progesterone exerts antidepressant-like effect in a mouse model of maternal separation stress through mitigation of neuroinflammatory response and oxidative stress. PHARMACEUTICAL BIOLOGY 2020; 58:64-71. [PMID: 31873049 PMCID: PMC6968520 DOI: 10.1080/13880209.2019.1702704] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 11/01/2019] [Accepted: 12/04/2019] [Indexed: 06/10/2023]
Abstract
Context: Experiencing early-life adversity plays a key role in the development of mood disorders in adulthood. Experiencing adversities during early life period negatively affects brain development. Sex steroids such as progesterone affect the brain structure and functions and subsequently affects behaviour.Objective: We assess the antidepressant-like effect of progesterone in a mouse model of maternal separation (MS) stress, focussing on its anti-neuroinflammatory and antioxidative effects.Materials and methods: NMRI mice were treated with progesterone (10, 50, and 100 mg/kg, i.p., respectively) for 14 days. Valid behavioural tests including forced swimming test (FST), splash test and open field test (OFT) were used. Quantitative reverse transcription-PCR (qRT-PCR) was used for evaluation of genetic expression in the hippocampus. Antioxidant capacity was assessed by the FRAP method and the level of malondialdehide by TBA.Results: MS provoked depressive-like behaviour in mice. Treatment of MS mice with progesterone increased the grooming activity time in the splash test and decreased the immobility time in the FST. In addition, progesterone decreased the expression of inflammatory genes related to neuroinflammation (IL-1β, TNF-α, TLR4 and NLRP3) as well as increased the antioxidant capacity and decreased the lipid peroxidation (MDA) in the hippocampus.Discussion and Conclusion: Administration of progesterone significantly mitigated the negative effects of MS on behaviours relevant to depressive-like behaviour as well as attenuated neuro-immune response and oxidative stress in the hippocampus of MS mice. In this context, we conclude that progesterone, at least partially, via attenuation of oxidative stress and neuroinflammation, exerts antidepressant-like effects.
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Affiliation(s)
- Ali Nouri
- Medical plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Farzaneh Hashemzadeh
- Medical plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Amin Soltani
- Medical plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Elham Saghaei
- Medical plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Hossein Amini-Khoei
- Medical plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Takahashi K, Tanaka K, Nakamura Y, Okubo H, Sasaki S, Arakawa M, Miyake Y. Calcium intake during pregnancy is associated with decreased risk of emotional and hyperactivity problems in five-year-old Japanese children. Nutr Neurosci 2019; 24:762-769. [DOI: 10.1080/1028415x.2019.1676971] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Keiji Takahashi
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan
- Food Science & Technology Research Laboratories, R&D Division, Meiji Co., Ltd., Tokyo, Japan
| | - Keiko Tanaka
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan
- Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Ehime, Japan
| | - Yoshitaka Nakamura
- Food Science & Technology Research Laboratories, R&D Division, Meiji Co., Ltd., Tokyo, Japan
| | - Hitomi Okubo
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Satoshi Sasaki
- Department of Social and Preventive Epidemiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Masashi Arakawa
- Health Tourism Research Fields, Graduate School of Tourism Sciences, University of the Ryukyus, Okinawa, Japan
| | - Yoshihiro Miyake
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan
- Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Ehime, Japan
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Abela AR, Rahbarnia A, Wood S, Lê AD, Fletcher PJ. Adolescent exposure to Δ9-tetrahydrocannabinol delays acquisition of paired-associates learning in adulthood. Psychopharmacology (Berl) 2019; 236:1875-1886. [PMID: 30694374 DOI: 10.1007/s00213-019-5171-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 01/14/2019] [Indexed: 01/04/2023]
Abstract
RATIONALE AND OBJECTIVES Adolescence is a sensitive period of brain development, during which there may be a heightened vulnerability to the effects of drug use. Despite this, the long-term effects of cannabis use during this developmental period on cognition are poorly understood. METHODS We exposed adolescent rats to escalating doses of Δ9-tetrahydrocannabinol (THC)-the primary psychoactive component of cannabis-or vehicle solution during postnatal days (PND) 35-45, a period of development that is analogous to human adolescence (THC doses: PND 35-37, 2.5 mg/kg; PND 38-41, 5 mg/kg; PND 42-45, 10 mg/kg). After a period of abstinence, in adulthood, rats were tested on an automated touchscreen version of a paired-associates learning (PAL) task to assess their ability to learn and recall object-location associations. Prepulse inhibition (PPI) of the startle response was also measured at three time points (5 days, 4 months, and 6 months after exposure) to assess sensorimotor gating, the ability to filter out insignificant sensory information from the environment. RESULTS Compared to rats exposed to vehicle alone, rats exposed to THC during adolescence took longer to learn the PAL task when tested in adulthood, even when trials contained visually identical stimuli that differed only in location. Despite this, no differences were observed later in testing, when trials contained visually distinct stimuli in different locations. Rats exposed to THC also displayed impairments in sensorimotor gating, as measured by prepulse inhibition of the startle response, though this deficit did appear to decrease over time. CONCLUSION Taken together, THC exposure during adolescence produces long-term deficits in associative learning and sensorimotor gating, though the impact of these deficits seems to diminish with time. Thus, adolescence may represent a period of neurocognitive development that is vulnerable to the harms of cannabis use, though the stability of such harms is uncertain.
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Affiliation(s)
- Andrew R Abela
- Preclinical Research and Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, 250 College St., Toronto, Ontario, M5T 1R8, Canada.
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada.
- Department of Neuroscience, Centre for Addiction and Mental Health, 33 Russell Street, Toronto, ON, M5T 1R8, Canada.
| | - Arya Rahbarnia
- Preclinical Research and Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, 250 College St., Toronto, Ontario, M5T 1R8, Canada
- Department of Psychology, University of Toronto, Toronto, ON, Canada
| | - Suzanne Wood
- Department of Psychology, University of Toronto, Toronto, ON, Canada
| | - Anh D Lê
- Preclinical Research and Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, 250 College St., Toronto, Ontario, M5T 1R8, Canada
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON, Canada
| | - Paul J Fletcher
- Preclinical Research and Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, 250 College St., Toronto, Ontario, M5T 1R8, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
- Department of Psychology, University of Toronto, Toronto, ON, Canada
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30
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Liang S, Yin N, Faiola F. Human Pluripotent Stem Cells as Tools for Predicting Developmental Neural Toxicity of Chemicals: Strategies, Applications, and Challenges. Stem Cells Dev 2019; 28:755-768. [PMID: 30990109 DOI: 10.1089/scd.2019.0007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The human central nervous system (CNS) is very sensitive to perturbations, since it performs sophisticated biological processes and requires cooperation from multiple neural cell types. Subtle interference from exogenous chemicals, such as environmental pollutants, industrial chemicals, drug components, food additives, and cosmetic constituents, may initiate severe developmental neural toxicity (DNT). Human pluripotent stem cell (hPSC)-based neural differentiation assays provide effective and promising tools to help evaluate potential DNT caused by those toxicants. In fact, the specification of neural lineages in vitro recapitulates critical CNS developmental processes, such as patterning, differentiation, neurite outgrowth, synaptogenesis, and myelination. Hence, the established protocols to generate a repertoire of neural derivatives from hPSCs greatly benefit the in vitro evaluation of DNT. In this review, we first dissect the various differentiation protocols inducing neural cells from hPSCs, with an emphasis on the signaling pathways and endpoint markers defining each differentiation stage. We then highlight the studies with hPSC-based protocols predicting developmental neural toxicants, and discuss remaining challenges. We hope this review can provide insights for the further progress of DNT studies.
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Affiliation(s)
- Shengxian Liang
- 1 State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.,2 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
| | - Nuoya Yin
- 1 State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.,2 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
| | - Francesco Faiola
- 1 State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.,2 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
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Schleicher EM, Ott FW, Müller M, Silcher B, Sichler ME, Löw MJ, Wagner JM, Bouter Y. Prolonged Cannabidiol Treatment Lacks on Detrimental Effects on Memory, Motor Performance and Anxiety in C57BL/6J Mice. Front Behav Neurosci 2019; 13:94. [PMID: 31133833 PMCID: PMC6513893 DOI: 10.3389/fnbeh.2019.00094] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 04/17/2019] [Indexed: 01/27/2023] Open
Abstract
The Cannabis plant contains more than 100 currently known phytocannabinoids. Regarding the rising consumption of the non-psychotropic phytocannabinoid cannabidiol (CBD) in people's everyday life (e.g., beauty products, food and beverages), the importance of studies on the influence of CBD on healthy humans and rodents is evident. Therefore, the behavioral profile of CBD was investigated with a battery of behavioral tests, including motor, anxiety, and memory tests after prolonged CBD treatment. Adult C57Bl/6J wildtype (WT) mice were daily intraperitoneally injected with 20 mg/kg CBD for 6 weeks starting at two different points of ages (3 months and 5 months) to compare the influence of prolonged CBD treatment with a washout period (former group) to the effects of long term CBD treatment (current group). Our results show that CBD treatment does not influence motor performance on an accelerating Rotarod test, while it also results in a lower locomotor activity in the open field (OF). No influence of CBD on spatial learning and long term memory in the Morris Water Maze (MWM) was observed. Memory in the Novel Object Recognition test (NORT) was unaffected by CBD treatment. Two different anxiety tests revealed that CBD does not affect anxiety behavior in the Dark-Light Box (DLB) and OF test. Although, anxiety is altered by current CBD treatment in the Elevated Plus Maze (EPM). Moreover, CBD-treated C57Bl/6J mice showed an unaltered acoustic startle response (ASR) compared to vehicle-treated mice. However, current CBD treatment impairs prepulse inhibition (PPI), a test to analyze sensorimotor gating. Furthermore, prolonged CBD treatment did not affect the hippocampal neuron number. Our results demonstrate that prolonged CBD treatment has no negative effect on the behavior of adult C57Bl/6J mice.
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Affiliation(s)
| | | | | | | | | | | | | | - Yvonne Bouter
- Department of Psychiatry and Psychotherapy, Division of Molecular Psychiatry, University Medical Center Goettingen (UMG), Georg-August-University, Goettingen, Germany
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Zhang C, Fan SJ, Sun AB, Liu ZZ, Liu L. Prenatal nicotine exposure induces depression‑like behavior in adolescent female rats via modulating neurosteroid in the hippocampus. Mol Med Rep 2019; 19:4185-4194. [PMID: 30942466 PMCID: PMC6471439 DOI: 10.3892/mmr.2019.10105] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 02/28/2019] [Indexed: 01/01/2023] Open
Abstract
Prenatal nicotine exposure (PNE) is closely related to depression in offspring. However, the underlying mechanism is still unclear. We hypothesized that neurosteroid in the hippocampus may mediate PNE-induced depression-like behaviors. Nicotine was subcutaneously administered (1.0 mg/kg) to pregnant rats twice daily from gestational day (GD) 9 to 20. In adolescent offspring, PNE significantly increased immobility time and decreased the sucrose preference in female rats. The numbers of hippocampal neurons declined in the CA3 and DG regions. Steroidogenic acute regulatory protein (StAR) expression was suppressed in female rats. In fetal offspring, the neuronal numbers of CA3 regions in PNE female fetal hippocampal were significantly decreased, accompanied by the enhanced content of corticosterone and StAR expression. These data indicated that PNE induced depression-like behavior in adolescent female rats via the regulation of neurosteroid levels in the hippocampus.
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Affiliation(s)
- Chong Zhang
- Department of Pharmacy, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Si-Jing Fan
- Department of Pharmacology, Medical School of Yangtze University, Jingzhou, Hubei 434023, P.R. China
| | - An-Bang Sun
- Laboratory of Neuronal and Brain Disease Modulation, Yangtze University, Jingzhou, Hubei 434023, P.R. China
| | - Zhen-Zhen Liu
- Department of Pharmacology, Medical School of Yangtze University, Jingzhou, Hubei 434023, P.R. China
| | - Lian Liu
- Department of Pharmacology, Medical School of Yangtze University, Jingzhou, Hubei 434023, P.R. China
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Forbes LH, Andrews MR. Grafted Human iPSC-Derived Neural Progenitor Cells Express Integrins and Extend Long-Distance Axons Within the Developing Corticospinal Tract. Front Cell Neurosci 2019; 13:26. [PMID: 30809126 PMCID: PMC6380224 DOI: 10.3389/fncel.2019.00026] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 01/22/2019] [Indexed: 12/11/2022] Open
Abstract
After spinal cord injury (SCI), regeneration of adult motor axons such as axons in the corticospinal tract (CST) is severely limited. Alongside the inhibitory lesion environment, most neuronal subtypes in the mature central nervous system (CNS) are intrinsically unrepairable. With age, expression of growth-promoting proteins in neurons, such as integrins, declines. Integrin receptors allow communication between the extracellular matrix (ECM) and cell cytoskeleton and their expression in axons facilitates growth and guidance throughout the ECM. The α9β1 integrin heterodimer binds to tenascin-C (TN-C), an ECM glycoprotein expressed during development and after injury. In the mature CST however, expression of the α9 integrin subunit is downregulated, adding to the intrinsic inability of axons to regenerate. Our previous work has shown the α9 integrin subunit is not trafficked within axons of mature CST or rubrospinal tracts (RSTs). Thus, here we have utilized human induced pluripotent stem cell (iPSC)-derived neural progenitor cells (NPCs) to increase expression of α9 integrinwithin the developing rat CST. We demonstrate that human NPCs (hNPCs) express endogenous levels of both α9 and β1 integrin subunits as well as cortical neuron markers such as chicken ovalbumin upstream promoter transcription factor (COUP-TF) interacting protein 2 (Ctip2) and T-box brain 1 (Tbr1). In addition, lentivirus-mediated α9 integrin overexpression in hNPCs resulted in increased neurite outgrowth in the presence of TN-C in vitro. Following transplantation into the sensorimotor cortex of newborn rats, both wild type (WT) and α9-expressing hNPCs extend along the endogenous CST and retain expression of α9 throughout the length of the axonal compartment for up to 8 weeks following transplantation. These data highlight the growth potential of transplanted human iPSCs which may be a future target for regenerative therapies after nervous system injury.
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Affiliation(s)
- Lindsey H Forbes
- School of Medicine, University of St Andrews, St Andrews, United Kingdom
| | - Melissa R Andrews
- School of Medicine, University of St Andrews, St Andrews, United Kingdom.,Biological Sciences, University of Southampton, Southampton, United Kingdom
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Nalivaeva NN, Turner AJ, Zhuravin IA. Role of Prenatal Hypoxia in Brain Development, Cognitive Functions, and Neurodegeneration. Front Neurosci 2018; 12:825. [PMID: 30510498 PMCID: PMC6254649 DOI: 10.3389/fnins.2018.00825] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 10/22/2018] [Indexed: 12/15/2022] Open
Abstract
This review focuses on the role of prenatal hypoxia in the development of brain functions in the postnatal period and subsequent increased risk of neurodegenerative disorders in later life. Accumulating evidence suggests that prenatal hypoxia in critical periods of brain formation results in significant changes in development of cognitive functions at various stages of postnatal life which correlate with morphological changes in brain structures involved in learning and memory. Prenatal hypoxia also leads to a decrease in brain adaptive potential and plasticity due to the disturbance in the process of formation of new contacts between cells and propagation of neuronal stimuli, especially in the cortex and hippocampus. On the other hand, prenatal hypoxia has a significant impact on expression and processing of a variety of genes involved in normal brain function and their epigenetic regulation. This results in changes in the patterns of mRNA and protein expression and their post-translational modifications, including protein misfolding and clearance. Among proteins affected by prenatal hypoxia are a key enzyme of the cholinergic system-acetylcholinesterase, and the amyloid precursor protein (APP), both of which have important roles in brain function. Disruption of their expression and metabolism caused by prenatal hypoxia can also result, apart from early cognitive dysfunctions, in development of neurodegeneration in later life. Another group of enzymes affected by prenatal hypoxia are peptidases involved in catabolism of neuropeptides, including amyloid-β peptide (Aβ). The decrease in the activity of neprilysin and other amyloid-degrading enzymes observed after prenatal hypoxia could result over the years in an Aβ clearance deficit and accumulation of its toxic species which cause neuronal cell death and development of neurodegeneration. Applying various approaches to restore expression of neuronal genes disrupted by prenatal hypoxia during postnatal development opens an avenue for therapeutic compensation of cognitive dysfunctions and prevention of Aβ accumulation in the aging brain and the model of prenatal hypoxia in rodents can be used as a reliable tool for assessment of their efficacy.
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Affiliation(s)
- Natalia N. Nalivaeva
- I. M. Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St. Petersburg, Russia
- Faculty of Biological Sciences, School of Biomedical Sciences, University of Leeds, Leeds, United Kingdom
| | - Anthony J. Turner
- Faculty of Biological Sciences, School of Biomedical Sciences, University of Leeds, Leeds, United Kingdom
| | - Igor A. Zhuravin
- I. M. Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St. Petersburg, Russia
- Research Centre, Saint-Petersburg State Pediatric Medical University, St. Petersburg, Russia
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35
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Fan SJ, Sun AB, Liu L. Epigenetic modulation during hippocampal development. Biomed Rep 2018; 9:463-473. [PMID: 30546873 DOI: 10.3892/br.2018.1160] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 10/11/2018] [Indexed: 12/24/2022] Open
Abstract
The hippocampus is located in the limbic system and is vital in learning ability, memory formation and emotion regulation, and is associated with depression, epilepsy and mental retardation in an abnormal developmental situation. Several factors have been found to modulate the development of the hippocampus, and epigenetic modification have a crucial effect in this progress. The present review summarizes the epigenetic modifications, including DNA methylation, histone acetylation, and non-coding RNAs, regulating all stages of hippocampal development, focusing on the growth of Ammons horn and the dentate gyrus in humans and rodents. These modifications may significantly affect hippocampal development and health in addition to cognitive processes.
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Affiliation(s)
- Si-Jing Fan
- Department of Pharmacology, Medical School of Yangtze University, Jingzhou, Hubei 434023, P.R. China.,Laboratory of Neuronal and Brain Diseases Modulation, Yangtze University, Jingzhou, Hubei 434023, P.R. China
| | - An-Bang Sun
- Laboratory of Neuronal and Brain Diseases Modulation, Yangtze University, Jingzhou, Hubei 434023, P.R. China.,Department of Anatomy, Medical School of Yangtze University, Jingzhou, Hubei 434023, P.R. China
| | - Lian Liu
- Department of Pharmacology, Medical School of Yangtze University, Jingzhou, Hubei 434023, P.R. China.,Laboratory of Neuronal and Brain Diseases Modulation, Yangtze University, Jingzhou, Hubei 434023, P.R. China
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Lehmann GM, LaKind JS, Davis MH, Hines EP, Marchitti SA, Alcala C, Lorber M. Environmental Chemicals in Breast Milk and Formula: Exposure and Risk Assessment Implications. ENVIRONMENTAL HEALTH PERSPECTIVES 2018; 126:96001. [PMID: 30187772 PMCID: PMC6375394 DOI: 10.1289/ehp1953] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 07/27/2018] [Accepted: 07/27/2018] [Indexed: 05/19/2023]
Abstract
BACKGROUND Human health risk assessment methods have advanced in recent years to more accurately estimate risks associated with exposure during childhood. However, predicting risks related to infant exposures to environmental chemicals in breast milk and formula remains challenging. OBJECTIVES Our goal was to compile available information on infant exposures to environmental chemicals in breast milk and formula, describe methods to characterize infant exposure and potential for health risk in the context of a risk assessment, and identify research needed to improve risk analyses based on this type of exposure and health risk information. METHODS We reviewed recent literature on levels of environmental chemicals in breast milk and formula, with a focus on data from the United States. We then selected three example publications that quantified infant exposure using breast milk or formula chemical concentrations and estimated breast milk or formula intake. The potential for health risk from these dietary exposures was then characterized by comparison with available health risk benchmarks. We identified areas of this approach in need of improvement to better characterize the potential for infant health risk from this critical exposure pathway. DISCUSSION Measurements of chemicals in breast milk and formula are integral to the evaluation of risk from early life dietary exposures to environmental chemicals. Risk assessments may also be informed by research investigating the impact of chemical exposure on developmental processes known to be active, and subject to disruption, during infancy, and by analysis of exposure-response data specific to the infant life stage. Critical data gaps exist in all of these areas. CONCLUSIONS Better-designed studies are needed to characterize infant exposures to environmental chemicals in breast milk and infant formula as well as to improve risk assessments of chemicals found in both foods. https://doi.org/10.1289/EHP1953.
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Affiliation(s)
- Geniece M Lehmann
- Office of Research and Development (ORD), U.S. Environmental Protection Agency (EPA), Research Triangle Park, North Carolina, USA
| | - Judy S LaKind
- LaKind Associates, LLC, Catonsville, Maryland, USA
- Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Matthew H Davis
- Office of Children's Health Protection, U.S. EPA, Washington, District of Columbia, USA
| | - Erin P Hines
- Office of Research and Development (ORD), U.S. Environmental Protection Agency (EPA), Research Triangle Park, North Carolina, USA
| | - Satori A Marchitti
- Oak Ridge Institute for Science and Education (ORISE), ORD, U.S. EPA, Athens, Georgia, USA
| | - Cecilia Alcala
- Association of Schools and Programs of Public Health (ASPPH), ORD, U.S. EPA, Washington, District of Columbia, USA
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Keller SM, Doherty TS, Roth TL. Pharmacological Manipulation of DNA Methylation in Adult Female Rats Normalizes Behavioral Consequences of Early-Life Maltreatment. Front Behav Neurosci 2018; 12:126. [PMID: 30008666 PMCID: PMC6034089 DOI: 10.3389/fnbeh.2018.00126] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 06/06/2018] [Indexed: 01/03/2023] Open
Abstract
Exposure to adversity early in development alters brain and behavioral trajectories. Data continue to accumulate that epigenetic mechanisms are a mediating factor between early-life adversity and adult behavioral phenotypes. Previous work from our laboratory has shown that female Long-Evans rats exposed to maltreatment during infancy display both aberrant forced swim behavior and patterns of brain DNA methylation in adulthood. Therefore, we examined the possibility of rescuing the aberrant forced swim behavior in maltreated-adult females by administering an epigenome-modifying drug (zebularine) at a dose previously shown to normalize DNA methylation. We found that zebularine normalized behavior in the forced swim test in maltreated females such that they performed at the levels of controls (females that had been exposed to only nurturing care during infancy). These data help link DNA methylation to an adult phenotype in our maltreatment model, and more broadly provide additional evidence that non-targeted epigenetic manipulations can change behavior associated with early-life adversity.
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Affiliation(s)
- Samantha M Keller
- Department of Psychological and Brain Sciences, University of Delaware, Newark, DE, United States
| | - Tiffany S Doherty
- Department of Psychological and Brain Sciences, University of Delaware, Newark, DE, United States
| | - Tania L Roth
- Department of Psychological and Brain Sciences, University of Delaware, Newark, DE, United States
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Kästner N, Richter SH, Bodden C, Palme R, Kaiser S, Sachser N. Varying Social Experiences in Adulthood Do Not Differentially Affect Anxiety-Like Behavior But Stress Hormone Levels. Front Behav Neurosci 2018; 12:72. [PMID: 29740291 PMCID: PMC5928152 DOI: 10.3389/fnbeh.2018.00072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 04/03/2018] [Indexed: 11/25/2022] Open
Abstract
Social experiences can have profound effects on an individual’s level of anxiety. While various studies have addressed consequences of experiences of a specific type, e.g., social defeat, a recent study in mice investigated the impact of combinations of adverse and beneficial social experiences. Quite surprisingly, mice exposed to benefits during early life phases followed by escapable adversity in adulthood displayed lowest levels of anxiety, even compared to individuals having experienced throughout beneficial conditions. The present study aimed to elucidate whether this phenomenon is restricted to these specific life phases or whether it also exists when all these experiences are made in full adulthood. For this purpose, we compared anxiety-like behavior and stress response of adult male mice exposed to escapable social defeat following beneficial social experiences to that of mice exposed to either throughout adverse or throughout beneficial conditions. More precisely, we performed three established behavioral paradigms measuring anxiety-like behavior and assessed corticosterone metabolites non-invasively via feces sampling. Interestingly, we found no effects of social experience on anxiety-like behavior. In contrast to that, the animals’ stress hormone levels were profoundly affected by current social conditions: escapable social defeat (adverse condition) led to an increase in corticosterone metabolite concentrations, whereas living with a female (beneficial condition) led to a decrease. Thus, on the one hand this study suggests the importance of the timing of social experience for affecting an individual’s level of anxiety. On the other hand, it demonstrates that anxiety and stress hormone levels can be affected separately by social experience during adulthood.
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Affiliation(s)
- Niklas Kästner
- Department of Behavioural Biology, University of Münster, Münster, Germany.,Münster Graduate School of Evolution, University of Münster, Münster, Germany
| | - S Helene Richter
- Department of Behavioural Biology, University of Münster, Münster, Germany.,Münster Graduate School of Evolution, University of Münster, Münster, Germany
| | - Carina Bodden
- Department of Behavioural Biology, University of Münster, Münster, Germany
| | - Rupert Palme
- Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - Sylvia Kaiser
- Department of Behavioural Biology, University of Münster, Münster, Germany.,Münster Graduate School of Evolution, University of Münster, Münster, Germany
| | - Norbert Sachser
- Department of Behavioural Biology, University of Münster, Münster, Germany.,Münster Graduate School of Evolution, University of Münster, Münster, Germany
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Santa Maria MP, Hill BD, Kline J. Lead (Pb) neurotoxicology and cognition. APPLIED NEUROPSYCHOLOGY-CHILD 2018; 8:272-293. [DOI: 10.1080/21622965.2018.1428803] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
| | - Benjamin D. Hill
- Department of Psychology, University of South Alabama, Mobile, AL, USA
| | - Joshua Kline
- Department of Psychology, University of South Alabama, Mobile, AL, USA
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Kakooza-Mwesige A, Mohammed AH, Kristensson K, Juliano SL, Lutwama JJ. Emerging Viral Infections in Sub-Saharan Africa and the Developing Nervous System: A Mini Review. Front Neurol 2018. [PMID: 29527187 PMCID: PMC5829034 DOI: 10.3389/fneur.2018.00082] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The global public health concern is heightened over the increasing number of emerging viruses, i.e., newly discovered or previously known that have expanded into new geographical zones. These viruses challenge the health-care systems in sub-Saharan Africa (SSA) countries from which several of them have originated and been transmitted by insects worldwide. Some of these viruses are neuroinvasive, but have been relatively neglected by neuroscientists. They may provide experiments by nature to give a time window for exposure to a new virus within sizeable, previously non-infected human populations, which, for instance, enables studies on potential long-term or late-onset effects on the developing nervous system. Here, we briefly summarize studies on the developing brain by West Nile, Zika, and Chikungunya viruses, which are mosquito-borne and have spread worldwide out of SSA. They can all be neuroinvasive, but their effects vary from malformations caused by prenatal infections to cognitive disturbances following perinatal or later infections. We also highlight Ebola virus, which can leave surviving children with psychiatric disturbances and cause persistent infections in the non-human primate brain. Greater awareness within the neuroscience community is needed to emphasize the menace evoked by these emerging viruses to the developing brain. In particular, frontline neuroscience research should include neuropediatric follow-up studies in the field on long-term or late-onset cognitive and behavior disturbances or neuropsychiatric disorders. Studies on pathogenetic mechanisms for viral-induced perturbations of brain maturation should be extended to the vulnerable periods when neurocircuit formations are at peaks during infancy and early childhood.
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Affiliation(s)
- Angelina Kakooza-Mwesige
- Department of Paediatrics and Child Health, Makerere University College of Health Sciences and Mulago Hospital, Kampala, Uganda
| | | | | | - Sharon L Juliano
- Anatomy, Physiology and Genetics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Julius J Lutwama
- Arbovirology Laboratory, Uganda Virus Research Institute, Entebbe, Uganda
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Nicole W. Advocates for Children's Health: Working Together to Reduce Harmful Environmental Exposures. ENVIRONMENTAL HEALTH PERSPECTIVES 2018; 126:012001. [PMID: 29401452 PMCID: PMC6014711 DOI: 10.1289/ehp2423] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 07/12/2017] [Indexed: 06/07/2023]
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Lacivita E, Perrone R, Margari L, Leopoldo M. Targets for Drug Therapy for Autism Spectrum Disorder: Challenges and Future Directions. J Med Chem 2017; 60:9114-9141. [PMID: 29039668 DOI: 10.1021/acs.jmedchem.7b00965] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by persistent deficits in social communication and interaction and restricted, repetitive patterns of behavior, interests, and activities. Various factors are involved in the etiopathogenesis of ASD, including genetic factors, environmental toxins and stressors, impaired immune responses, mitochondrial dysfunction, and neuroinflammation. The heterogeneity in the phenotype among ASD patients and the complex etiology of the condition have long impeded the advancement of the development of pharmacological therapies. In the recent years, the integration of findings from mouse models to human genetics resulted in considerable progress toward the understanding of ASD pathophysiology. Currently, strategies to treat core symptoms of ASD are directed to correct synaptic dysfunctions, abnormalities in central oxytocin, vasopressin, and serotonin neurotransmission, and neuroinflammation. Here, we present a survey of the studies that have suggested molecular targets for drug development for ASD and the state-of-the-art of medicinal chemistry efforts in related areas.
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Affiliation(s)
- Enza Lacivita
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro , via Orabona 4, 70125, Bari, Italy
| | - Roberto Perrone
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro , via Orabona 4, 70125, Bari, Italy
| | - Lucia Margari
- Dipartimento di Scienze Mediche di Base, Neuroscienze e Organi di Senso, Unità di Neuropsichiatria Infantile, Università degli Studi di Bari Aldo Moro , Piazza Giulio Cesare 11, 70124 Bari, Italy
| | - Marcello Leopoldo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro , via Orabona 4, 70125, Bari, Italy
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Philippat C, Nakiwala D, Calafat AM, Botton J, De Agostini M, Heude B, Slama R. Prenatal Exposure to Nonpersistent Endocrine Disruptors and Behavior in Boys at 3 and 5 Years. ENVIRONMENTAL HEALTH PERSPECTIVES 2017; 125:097014. [PMID: 28937960 PMCID: PMC5915182 DOI: 10.1289/ehp1314] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 05/23/2017] [Accepted: 06/19/2017] [Indexed: 05/12/2023]
Abstract
BACKGROUND Sex-specific associations have been reported between phthalates, bisphenol A (BPA), and child behavior. No data on large study populations are available for other phenols with possible endocrine-disrupting properties. OBJECTIVES We aimed to study associations between prenatal exposure to phthalates and several phenols on behavior among male infants. METHODS We quantified 11 phthalate metabolites and nine phenols (four parabens, benzophenone-3, BPA, two dichlorophenols, triclosan) in spot urine samples collected during pregnancy among EDEN cohort mothers who delivered a boy. Mothers completed the Strength and Difficulties Questionnaire (SDQ) when their children were 3.1 (n=529) and 5.6 (n=464) y old. RESULTS BPA was positively associated with the relationship problems subscale at 3 y [incidence rate ratio (IRR): 1.11; 95% confidence interval (CI): 1.03, 1.20] and the hyperactivity-inattention subscale scores at 5 y (IRR: 1.08; 95% CI: 1.01, 1.14). Mono-n-butyl phthalate (MnBP) was positively associated with internalizing behavior, relationship problem, and emotional symptom scores at 3 y. Monobenzyl phthalate (MBzP) was positively associated with internalizing behavior and relationship problems scores at 3 y. After dichotomizing SDQ scores, triclosan tended to be positively associated with emotional symptom subscales at both 3 and 5 y. CONCLUSIONS The observed associations between BPA, MnBP, and behavior in boys are consistent with previous findings. Further health impact assessment studies based on dose-response functions corrected for exposure misclassification are required to quantify the public health burden possibly entailed by such associations. https://doi.org/10.1289/EHP1314.
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Affiliation(s)
- Claire Philippat
- Institute for Advanced Biosciences, INSERM U1209, CNRS UMR 5309, University Grenoble Alpes , Grenoble, France
| | - Dorothy Nakiwala
- Institute for Advanced Biosciences, INSERM U1209, CNRS UMR 5309, University Grenoble Alpes , Grenoble, France
| | | | - Jérémie Botton
- U1153 Epidemiology and Biostatistics Sorbonne Paris Cité Research Centre (CRESS) , Early Origin of the Child's Health and Development (ORCHAD) Team, Inserm, Villejuif, France
- Université Paris Descartes , Villejuif, France
- Faculty of Pharmacy, Université Paris-Sud, Université Paris-Saclay , Châtenay-Malabry, France
| | - Maria De Agostini
- U1153 Epidemiology and Biostatistics Sorbonne Paris Cité Research Centre (CRESS) , Early Origin of the Child's Health and Development (ORCHAD) Team, Inserm, Villejuif, France
- Université Paris Descartes , Villejuif, France
| | - Barbara Heude
- U1153 Epidemiology and Biostatistics Sorbonne Paris Cité Research Centre (CRESS) , Early Origin of the Child's Health and Development (ORCHAD) Team, Inserm, Villejuif, France
- Université Paris Descartes , Villejuif, France
| | - Rémy Slama
- Institute for Advanced Biosciences, INSERM U1209, CNRS UMR 5309, University Grenoble Alpes , Grenoble, France
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Lyall K, Croen LA, Weiss LA, Kharrazi M, Traglia M, Delorenze GN, Windham GC. Prenatal Serum Concentrations of Brominated Flame Retardants and Autism Spectrum Disorder and Intellectual Disability in the Early Markers of Autism Study: A Population-Based Case-Control Study in California. ENVIRONMENTAL HEALTH PERSPECTIVES 2017; 125:087023. [PMID: 28895873 PMCID: PMC5783661 DOI: 10.1289/ehp1079] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 05/18/2017] [Accepted: 05/25/2017] [Indexed: 05/21/2023]
Abstract
BACKGROUND Prior studies suggest neurodevelopmental impacts of polybrominated diphenyl ethers (PBDEs), but few have examined diagnosed developmental disorders. OBJECTIVES Our aim was to determine whether prenatal exposure to brominated flame retardants (BFRs) is associated with autism spectrum disorder (ASD) or intellectual disability without autism (ID). METHODS We conducted a population-based case-control study including children with ASD (n=545) and ID (n=181) identified from the California Department of Developmental Services and general population (GP) controls (n=418) from state birth certificates. ASD cases were matched to controls by sex, birth month, and birth year. Concentrations of 10 BFRs were measured in maternal second trimester serum samples stored from routine screening. Logistic regression was used to calculate crude and adjusted odds ratios (AOR) for associations with ASD, and separately for ID, compared with GP controls, by quartiles of analyte concentrations in primary analyses. RESULTS Geometric mean concentrations of five of the six congeners with ≥55% of samples above the limit of detection were lower in mothers of children with ASD or ID than in controls. In adjusted analyses, inverse associations with several congeners were found for ASD relative to GP (e.g., quartile 4 vs. 1, BDE-153: AOR=0.56, 95% CI: 0.38, 0.84). When stratified by child sex (including 99 females with ASD, 77 with ID, and 73 with GP), estimates were consistent with overall analyses in boys, but in the opposite direction among girls, particularly for BDE-28 and -47 (AOR=2.58, 95% CI: 0.86, 7.79 and AOR=2.64, 95% CI: 0.97, 7.19, respectively). Similar patterns overall and by sex were observed for ID. CONCLUSIONS Contrary to expectation, higher PBDE concentrations were associated with decreased odds of ASD and ID, though not in girls. These findings require confirmation but suggest potential sexual dimorphism in associations with prenatal exposure to BFRs. https://doi.org/10.1289/EHP1079.
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Affiliation(s)
- Kristen Lyall
- A.J. Drexel Autism Institute, Drexel University , Philadelphia, Pennsylvania, USA
| | - Lisa A Croen
- Autism Research Program, Division of Research, Kaiser Permanente , Oakland, California, USA
| | - Lauren A Weiss
- Department of Psychiatry and Institute for Human Genetics, University of California, San Francisco , San Francisco, California, USA
| | - Martin Kharrazi
- Division of Environmental and Occupational Disease Control, California Department of Public Health, Richmond, California, USA
| | - Michela Traglia
- Department of Psychiatry and Institute for Human Genetics, University of California, San Francisco , San Francisco, California, USA
| | - Gerald N Delorenze
- Autism Research Program, Division of Research, Kaiser Permanente , Oakland, California, USA
| | - Gayle C Windham
- Division of Environmental and Occupational Disease Control, California Department of Public Health, Richmond, California, USA
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Shaffer RM, Smith MN, Faustman EM. Developing the Regulatory Utility of the Exposome: Mapping Exposures for Risk Assessment through Lifestage Exposome Snapshots (LEnS). ENVIRONMENTAL HEALTH PERSPECTIVES 2017; 125:085003. [PMID: 28796633 PMCID: PMC5783662 DOI: 10.1289/ehp1250] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 03/08/2017] [Accepted: 04/04/2017] [Indexed: 05/19/2023]
Abstract
BACKGROUND Exposome-related efforts aim to document the totality of human exposures across the lifecourse. This field has advanced rapidly in recent years but lacks practical application to risk assessment, particularly for children's health. OBJECTIVES Our objective was to apply the exposome to children's health risk assessment by introducing the concept of Lifestage Exposome Snapshots (LEnS). Case studies are presented to illustrate the value of the framework. DISCUSSION The LEnS framework encourages organization of exposome studies based on windows of susceptibility for particular target organ systems. Such analyses will provide information regarding cumulative impacts during specific critical periods of the life course. A logical extension of this framework is that regulatory standards should analyze exposure information by target organ, rather than for a single chemical only or multiple chemicals grouped solely by mechanism of action. CONCLUSIONS The LEnS concept is a practical refinement to the exposome that accounts for total exposures during particular windows of susceptibility in target organ systems. Application of the LEnS framework in risk assessment and regulation will improve protection of children's health by enhancing protection of sensitive developing organ systems that are critical for lifelong health and well-being. https://doi.org/10.1289/EHP1250.
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Affiliation(s)
- Rachel M Shaffer
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington , Seattle, Washington, USA
- Institute for Risk Analysis and Risk Communication, University of Washington , Seattle, Washington, USA
| | - Marissa N Smith
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington , Seattle, Washington, USA
- Institute for Risk Analysis and Risk Communication, University of Washington , Seattle, Washington, USA
| | - Elaine M Faustman
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington , Seattle, Washington, USA
- Institute for Risk Analysis and Risk Communication, University of Washington , Seattle, Washington, USA
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Stacy SL, Eliot M, Etzel T, Papandonatos G, Calafat AM, Chen A, Hauser R, Lanphear BP, Sathyanarayana S, Ye X, Yolton K, Braun JM. Patterns, Variability, and Predictors of Urinary Triclosan Concentrations during Pregnancy and Childhood. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:6404-6413. [PMID: 28516781 PMCID: PMC5576563 DOI: 10.1021/acs.est.7b00325] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Exposure to triclosan, an antimicrobial used in many consumer products, is ubiquitous in the United States, yet only limited data are available on the predictors and variability of exposure, particularly in children. We examined the patterns, variability, and predictors of urinary triclosan concentrations in 389 mother-child pairs enrolled in the Health Outcomes and Measures of the Environment Study from 2003 to 2006. We quantified triclosan in 3 urine samples collected from women between 16 weeks of pregnancy and birth and 6 urine samples collected from children between the ages of 1-8 years. For maternal and child samples, we calculated intraclass correlation coefficients (ICCs) to assess triclosan reproducibility and identified sociodemographic predictors of triclosan. Among 8 year old children, we examined associations between triclosan and personal-care product use. We detected triclosan in >70% of urine samples. Median maternal triclosan varied across pregnancy from 17 to 11 ng/mL, while in children, median concentrations increased from 3.6 to 17 ng/mL over the first 4 years of life, declining slightly at later ages. Triclosan reproducibility was fair to good during pregnancy and for child samples taken weeks apart (ICCs = 0.4-0.6) but poor for annual child samples (ICCs = 0.2-0.4). Triclosan was 66% (95% CI: 29-113) higher in 8 year olds using hand soap compared to nonusers and increased monotonically with hand-washing frequency. Toothpaste use in children was also positively associated with triclosan. Our results suggest that urinary triclosan concentrations have modest stability over weeks to months; children are exposed to triclosan through the use of some personal-care products.
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Affiliation(s)
- Shaina L. Stacy
- Department of Epidemiology, Brown University, Providence, Rhode Island 02912, United States
| | - Melissa Eliot
- Department of Epidemiology, Brown University, Providence, Rhode Island 02912, United States
| | - Taylor Etzel
- Department of Epidemiology, Brown University, Providence, Rhode Island 02912, United States
| | - George Papandonatos
- Department of Biostatistics, Brown University, Providence, Rhode Island 02912, United States
| | - Antonia M. Calafat
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, United States
| | - Aimin Chen
- Division of Epidemiology, Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267, United States
| | - Russ Hauser
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Bruce P. Lanphear
- Child and Family Research Institute, BC Children's Hospital and the Faculty of Health Sciences, Simon Fraser University, Vancouver, British Columbia V5A 1S6, Canada
| | - Sheela Sathyanarayana
- Department of Pediatrics, University of Washington Seattle Children's Research Institute, Seattle, Washington 98105, United States
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, Washington 98195, United States
| | - Xiaoyun Ye
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, United States
| | - Kimberly Yolton
- Department of Pediatrics, Division of General and Community Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, United States
| | - Joseph M. Braun
- Department of Epidemiology, Brown University, Providence, Rhode Island 02912, United States
- Corresponding Author: Phone: 401-863-5397;
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Butkevich IP, Mikhailenko VA, Vershinina EA, Aloisi AM, Barr GA. Long-Term Effects of Chronic Buspirone during Adolescence Reduce the Adverse Influences of Neonatal Inflammatory Pain and Stress on Adaptive Behavior in Adult Male Rats. Front Behav Neurosci 2017; 11:11. [PMID: 28184190 PMCID: PMC5266710 DOI: 10.3389/fnbeh.2017.00011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 01/12/2017] [Indexed: 01/07/2023] Open
Abstract
Neonatal pain and stress induce long-term changes in pain sensitivity and behavior. Previously we found alterations in pain sensitivity in adolescent rats exposed to early-life adverse events. We tested whether these alterations have long-lasting effects and if those effects can be improved by the 5-hydroxytryptamine 1A (5-HT1A) receptor agonist buspirone injected chronically during the adolescent period. This study investigates: (1) effects of inflammatory pain (the injection of formalin into the pad of a hind paw) or stress (short maternal deprivation-isolation, MI), or their combination in 1-2-day-old rats on the adult basal pain, formalin-induced pain, anxiety and depression; (2) effects of adolescent buspirone in adult rats that experienced similar early-life insults. Changes in nociceptive thresholds were evaluated using the hot plate (HP) and formalin tests; levels of anxiety and depression were assessed with the elevated plus maze and forced swim tests respectively. Both neonatal painful and stressful treatments induced long-term alterations in the forced swim test. Other changes in adult behavioral responses were dependent on the type of neonatal treatment. There was a notable lack of long-term effects of the combination of early inflammatory pain and stress of MI on the pain responses, anxiety levels or on the effects of adolescent buspirone. This study provides the first evidence that chronic injection of buspirone in adolescent rats alters antinociceptive and anxiolytic effects limited to adult rats that showed behavioral alterations induced by early-life adverse treatments. These data highlight the role of 5-HT1A receptors in long-term effects of neonatal inflammatory pain and stress of short MI on adaptive behavior and possibility of correction of the pain and psychoemotional behavior that were altered by adverse pain/stress intervention using buspirone during critical adolescent period.
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Affiliation(s)
- Irina P. Butkevich
- Laboratory of Ontogenesis of the Nervous System, I.P. Pavlov Institute of Physiology, Russian Academy of SciencesSt. Petersburg, Russia
| | - Viktor A. Mikhailenko
- Laboratory of Ontogenesis of the Nervous System, I.P. Pavlov Institute of Physiology, Russian Academy of SciencesSt. Petersburg, Russia
| | - Elena A. Vershinina
- Department of Information Technologies and Mathematical Modeling, I.P. Pavlov Institute of Physiology, Russian Academy of SciencesSt. Petersburg, Russia
| | - Anna M. Aloisi
- Department of Medicine, Surgery and Neuroscience, University of SienaSiena, Italy
| | - Gordon A. Barr
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia and the Perelman School of Medicine at the University of PennsylvaniaPhiladelphia, PA, USA
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Leighton C, Botto A, Silva JR, Jiménez JP, Luyten P. Vulnerability or Sensitivity to the Environment? Methodological Issues, Trends, and Recommendations in Gene-Environment Interactions Research in Human Behavior. Front Psychiatry 2017; 8:106. [PMID: 28674505 PMCID: PMC5475387 DOI: 10.3389/fpsyt.2017.00106] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Accepted: 05/31/2017] [Indexed: 12/29/2022] Open
Abstract
Research on the potential role of gene-environment interactions (GxE) in explaining vulnerability to psychopathology in humans has witnessed a shift from a diathesis-stress perspective to differential susceptibility approaches. This paper critically reviews methodological issues and trends in this body of research. Databases were screened for studies of GxE in the prediction of personality traits, behavior, and mental health disorders in humans published between January 2002 and January 2015. In total, 315 papers were included. Results showed that 34 candidate genes have been included in GxE studies. Independent of the type of environment studied (early or recent life events, positive or negative environments), about 67-83% of studies have reported significant GxE interactions, which is consistent with a social susceptibility model. The percentage of positive results does not seem to differ depending on the gene studied, although publication bias might be involved. However, the number of positive findings differs depending on the population studied (i.e., young adults vs. older adults). Methodological considerations limit the ability to draw strong conclusions, particularly as almost 90% (n = 283/315) of published papers are based on samples from North America and Europe, and about 70% of published studies (219/315) are based on samples that were also used in other reports. At the same time, there are clear indications of methodological improvements over time, as is shown by a significant increase in longitudinal and experimental studies as well as in improved minimum genotyping. Recommendations for future research, such as minimum quality assessment of genes and environmental factors, specifying theoretical models guiding the study, and taking into account of cultural, ethnic, and lifetime perspectives, are formulated.
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Affiliation(s)
- Caroline Leighton
- Departamento de Psiquiatria y Salud Mental Oriente, Universidad de Chile, Santiago, Chile.,Millennium Institute for Research in Depression and Personality - MIDAP, Ministry of Economy, Santiago, Chile
| | - Alberto Botto
- Departamento de Psiquiatria y Salud Mental Oriente, Universidad de Chile, Santiago, Chile.,Millennium Institute for Research in Depression and Personality - MIDAP, Ministry of Economy, Santiago, Chile
| | - Jaime R Silva
- Millennium Institute for Research in Depression and Personality - MIDAP, Ministry of Economy, Santiago, Chile.,Centro de Apego y Regulación Emocional (CARE), Facultad de Psicología, Universidad del Desarrollo, Santiago, Chile.,Clinica Alemana de Santiago, Santiago, Chile
| | - Juan Pablo Jiménez
- Departamento de Psiquiatria y Salud Mental Oriente, Universidad de Chile, Santiago, Chile.,Millennium Institute for Research in Depression and Personality - MIDAP, Ministry of Economy, Santiago, Chile
| | - Patrick Luyten
- Millennium Institute for Research in Depression and Personality - MIDAP, Ministry of Economy, Santiago, Chile.,Clinical Psychology, University of Leuven, Leuven, Belgium.,Research Department of Clinical, Educational and Health Psychology, University College London, London, United Kingdom
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49
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Mongerson CRL, Jennings RW, Borsook D, Becerra L, Bajic D. Resting-State Functional Connectivity in the Infant Brain: Methods, Pitfalls, and Potentiality. Front Pediatr 2017; 5:159. [PMID: 28856131 PMCID: PMC5557740 DOI: 10.3389/fped.2017.00159] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Accepted: 07/04/2017] [Indexed: 11/02/2022] Open
Abstract
Early brain development is characterized by rapid growth and perpetual reconfiguration, driven by a dynamic milieu of heterogeneous processes. Postnatal brain plasticity is associated with increased vulnerability to environmental stimuli. However, little is known regarding the ontogeny and temporal manifestations of inter- and intra-regional functional connectivity that comprise functional brain networks. Resting-state functional magnetic resonance imaging (rs-fMRI) has emerged as a promising non-invasive neuroinvestigative tool, measuring spontaneous fluctuations in blood oxygen level dependent (BOLD) signal at rest that reflect baseline neuronal activity. Over the past decade, its application has expanded to infant populations providing unprecedented insight into functional organization of the developing brain, as well as early biomarkers of abnormal states. However, many methodological issues of rs-fMRI analysis need to be resolved prior to standardization of the technique to infant populations. As a primary goal, this methodological manuscript will (1) present a robust methodological protocol to extract and assess resting-state networks in early infancy using independent component analysis (ICA), such that investigators without previous knowledge in the field can implement the analysis and reliably obtain viable results consistent with previous literature; (2) review the current methodological challenges and ethical considerations associated with emerging field of infant rs-fMRI analysis; and (3) discuss the significance of rs-fMRI application in infants for future investigations of neurodevelopment in the context of early life stressors and pathological processes. The overarching goal is to catalyze efforts toward development of robust, infant-specific acquisition, and preprocessing pipelines, as well as promote greater transparency by researchers regarding methods used.
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Affiliation(s)
- Chandler R L Mongerson
- Center for Pain and the Brain, Boston Children's Hospital, Boston, MA, United States.,Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children's Hospital, Boston, MA, United States
| | - Russell W Jennings
- Department of Surgery, Boston Children's Hospital, Boston, MA, United States.,Department of Surgery, Harvard Medical School, Boston, MA, United States
| | - David Borsook
- Center for Pain and the Brain, Boston Children's Hospital, Boston, MA, United States.,Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children's Hospital, Boston, MA, United States.,Department of Anaesthesia, Harvard Medical School, Boston, MA, United States
| | - Lino Becerra
- Center for Pain and the Brain, Boston Children's Hospital, Boston, MA, United States.,Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children's Hospital, Boston, MA, United States.,Department of Anaesthesia, Harvard Medical School, Boston, MA, United States
| | - Dusica Bajic
- Center for Pain and the Brain, Boston Children's Hospital, Boston, MA, United States.,Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children's Hospital, Boston, MA, United States.,Department of Anaesthesia, Harvard Medical School, Boston, MA, United States
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50
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Koning IV, Tielemans MJ, Hoebeek FE, Ecury-Goossen GM, Reiss IKM, Steegers-Theunissen RPM, Dudink J. Impacts on prenatal development of the human cerebellum: a systematic review. J Matern Fetal Neonatal Med 2016; 30:2461-2468. [PMID: 27806674 DOI: 10.1080/14767058.2016.1253060] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
PURPOSE The cerebellum is essential for normal neurodevelopment and is particularly susceptible for intra-uterine disruptions. Although some causal prenatal exposures have been identified, the origin of neurodevelopmental disorders remains mostly unclear. Therefore, a systematic literature search was conducted to provide an overview of parental environmental exposures and intrinsic factors influencing prenatal cerebellar growth and development in humans. MATERIALS AND METHODS The literature search was limited to human studies in the English language and was conducted in Embase, Medline, Cochrane, Web of Science, Pubmed and GoogleScholar. Eligible studies were selected by three independent reviewers and study quality was scored by two independent reviewers. RESULTS The search yielded 3872 articles. We found 15 eligible studies reporting associations between cerebellar development and maternal smoking (4), use of alcohol (3), in vitro fertilization mediums (1), mercury (1), mifepristone (2), aminopropionitriles (1), ethnicity (2) and cortisol levels (1). No studies reported on paternal factors. CONCLUSIONS Current literature on associations between parental environmental exposures, intrinsic factors and human cerebellar development is scarce. Yet, this systematic review provided an essential overview of human studies demonstrating the vulnerability of the cerebellum to the intra-uterine environment.
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Affiliation(s)
- Irene V Koning
- a Department of Obstetrics and Gynecology , Erasmus MC University Medical Center , Rotterdam , The Netherlands.,b Department of Pediatrics , Subdivision of Neonatology, Sophia Children's Hospital , Rotterdam , The Netherlands
| | | | - Freek E Hoebeek
- d Department of Neuroscience , Erasmus MC University Medical Center , Rotterdam , The Netherlands , and
| | - Ginette M Ecury-Goossen
- b Department of Pediatrics , Subdivision of Neonatology, Sophia Children's Hospital , Rotterdam , The Netherlands
| | - Irwin K M Reiss
- b Department of Pediatrics , Subdivision of Neonatology, Sophia Children's Hospital , Rotterdam , The Netherlands
| | - Regine P M Steegers-Theunissen
- a Department of Obstetrics and Gynecology , Erasmus MC University Medical Center , Rotterdam , The Netherlands.,b Department of Pediatrics , Subdivision of Neonatology, Sophia Children's Hospital , Rotterdam , The Netherlands
| | - Jeroen Dudink
- b Department of Pediatrics , Subdivision of Neonatology, Sophia Children's Hospital , Rotterdam , The Netherlands.,e Department of Neonatology , Wilhelmina Children's Hospital, University Medical Center Utrecht , Utrecht , The Netherlands
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