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Sharma AR, Batra G, Dhir N, Jain A, Modi T, Saini L, Thakur N, Mishra A, Singh RS, Singh A, Singla R, Prakash A, Goyal M, Bhatia A, Medhi B, Modi M. "Comparative evaluation of different chemical agents induced Autism Spectrum Disorder in experimental Wistar rats". Behav Brain Res 2024; 458:114728. [PMID: 37923221 DOI: 10.1016/j.bbr.2023.114728] [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: 07/30/2023] [Revised: 10/04/2023] [Accepted: 10/18/2023] [Indexed: 11/07/2023]
Abstract
Autism Spectrum Disorder (ASD) is a complex neurodevelopmental condition with uncertain etiology and pathophysiology. Several studies revealed that the commonly used animal models like Valproic Acid (VPA) and Propionic Acid (PPA) do not precisely represent the disease as the human patient does. The current study was conducted on different chemically (VPA, PPA, Poly I:C, Dioxin (2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD)) & Chlorpyrifos (CPF)) induced ASD-like animal models and validated the best suitable experimental animal model, which would closely resemble with clinical features of the ASD. This validated model might help to explore the pathophysiology of ASD. This study included rat pups prenatally exposed to VPA, PPA, Poly I:C, Dioxin & CPF within GD9 to GD15 doses. The model groups were validated through developmental and behavioral parameters, Gene Expressions, Oxidative Stress, and Pro-inflammatory and Anti-inflammatory cytokines levels. Developmental and neurobehavioral parameters showed significant changes in model groups compared to the control. In oxidative stress parameters and neuro-inflammatory cytokines levels, model groups exhibited high oxidative stress and neuro-inflammation compared to control groups. Gene expression profile of ASD-related genes showed significant downregulation in model groups compared to the control group. Moreover, the Poly I:C group showed more significant results than other model groups. The comparison of available ASD-like experimental animal models showed that the Poly I:C induced model represented the exact pathophysiology of ASD as the human patient does. Poly I:C was reported in the maternal immune system activation via the inflammatory cytokines pathway, altering embryonic development and causing ASD in neonates.
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Affiliation(s)
- Amit Raj Sharma
- Department of Neurology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Gitika Batra
- Department of Neurology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Neha Dhir
- Department of Pharmacology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Ashish Jain
- Department of Pharmacology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Tanish Modi
- Clinical Trainee, Department of Neurology, PGIMER, Chandigarh, India
| | - Lokesh Saini
- All India Institute of Medical Sciences, Paediatric Neurology, Jodhpur, India
| | - Neetika Thakur
- Department of Endocrinology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Abhishek Mishra
- University of Minnesota Twin Cities, Department of Biomedical Sciences, USA
| | - Rahul Solomon Singh
- Department of Pharmacology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Ashutosh Singh
- Department of Pharmacology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Rubal Singla
- University of Minnesota Twin Cities, Department of Biomedical Sciences, USA
| | - Ajay Prakash
- Department of Pharmacology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Manoj Goyal
- Department of Neurology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Alka Bhatia
- Department of Experimental Medicine and Biotechnology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Bikash Medhi
- Department of Pharmacology, Post Graduate Institute Medical Education and Research, Chandigarh, India
| | - Manish Modi
- Department of Neurology, Post Graduate Institute Medical Education and Research, Chandigarh, India.
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Xie J, Wang Y, Ye C, Li XJ, Lin L. Distinctive Patterns of 5-Methylcytosine and 5-Hydroxymethylcytosine in Schizophrenia. Int J Mol Sci 2024; 25:636. [PMID: 38203806 PMCID: PMC10779130 DOI: 10.3390/ijms25010636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/25/2023] [Accepted: 12/30/2023] [Indexed: 01/12/2024] Open
Abstract
Schizophrenia is a highly heritable neuropsychiatric disorder characterized by cognitive and social dysfunction. Genetic, epigenetic, and environmental factors are together implicated in the pathogenesis and development of schizophrenia. DNA methylation, 5-methycytosine (5mC) and 5-hydroxylcytosine (5hmC) have been recognized as key epigenetic elements in neurodevelopment, ageing, and neurodegenerative diseases. Recently, distinctive 5mC and 5hmC pattern and expression changes of related genes have been discovered in schizophrenia. Antipsychotic drugs that affect 5mC status can alleviate symptoms in patients with schizophrenia, suggesting a critical role for DNA methylation in the pathogenesis of schizophrenia. Further exploring the signatures of 5mC and 5hmC in schizophrenia and developing precision-targeted epigenetic drugs based on this will provide new insights into the diagnosis and treatment of schizophrenia.
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Affiliation(s)
| | | | | | | | - Li Lin
- Guangdong Key Laboratory of Non-Human Primate Research, Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China; (J.X.); (Y.W.); (C.Y.); (X.-J.L.)
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Markiewicz R, Markiewicz-Gospodarek A, Borowski B, Trubalski M, Łoza B. Reelin Signaling and Synaptic Plasticity in Schizophrenia. Brain Sci 2023; 13:1704. [PMID: 38137152 PMCID: PMC10741648 DOI: 10.3390/brainsci13121704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/01/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
Recent research emphasizes the significance of studying the quality of life of schizophrenia patients, considering the complex nature of the illness. Identifying neuronal markers for early diagnosis and treatment is crucial. Reelin (RELN) stands out among these markers, with genetic studies highlighting its role in mental health. Suppression of RELN expression may contribute to cognitive deficits by limiting dendritic proliferation, affecting neurogenesis, and leading to improper neuronal circuits. Although the physiological function of reelin is not fully understood, it plays a vital role in hippocampal cell stratification and neuroglia formation. This analysis explores reelin's importance in the nervous system, shedding light on its impact on mental disorders such as schizophrenia, paving the way for innovative therapeutic approaches, and at the same time, raises the following conclusions: increased methylation levels of the RELN gene in patients with a diagnosis of schizophrenia results in a multiple decrease in the expression of reelin, and monitoring of this indicator, i.e., methylation levels, can be used to monitor the severity of symptoms in the course of schizophrenia.
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Affiliation(s)
- Renata Markiewicz
- Occupational Therapy Laboratory, Chair of Nursing Development, Medical University of Lublin, 4 Staszica St., 20-081 Lublin, Poland;
| | | | - Bartosz Borowski
- Students Scientific Association, Department of Normal, Clinical and Imaging Anatomy, Medical University of Lublin, 20-090 Lublin, Poland; (B.B.); (M.T.)
| | - Mateusz Trubalski
- Students Scientific Association, Department of Normal, Clinical and Imaging Anatomy, Medical University of Lublin, 20-090 Lublin, Poland; (B.B.); (M.T.)
| | - Bartosz Łoza
- Department of Psychiatry, Medical University of Warsaw, 02-091 Warsaw, Poland;
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Martín-Cuevas C, Ramos-Herrero VD, Crespo-Facorro B, Sánchez-Hidalgo AC. Prenatal risk factors and postnatal cannabis exposure: Assessing dual models of schizophrenia-like rodents. Neurosci Biobehav Rev 2023; 154:105409. [PMID: 37783300 DOI: 10.1016/j.neubiorev.2023.105409] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 09/04/2023] [Accepted: 09/24/2023] [Indexed: 10/04/2023]
Abstract
Schizophrenia (SCZ) is a multifactorial neurodevelopmental disorder caused by genetic and environmental alterations, especially during prenatal stages. On the other hand, cannabis consumption in adolescence has been also linked to an increased risk of developing SCZ. The combination of both hits has been proposed as the dual hit hypothesis of SCZ. We systematically reviewed prenatal environmental alterations and cannabis consumption during adolescence that are associated with an increased risk of SCZ, following the PRISMA model. The analysis focused on dual animal models where the first hit is prenatal environmental exposure and the second hit consists of postnatal cannabis exposure. The articles were evaluated by three independent reviewers based on inclusion criteria. We extracted the first author´s name, year, model species, sex and analysis. The articles reported on dual murine models and their effects on weight, behavior, genetics, electrophysiology and brain structure and function. We conclude that the defects caused by the dual hits depend on the sex of the model, as well as type of hits.
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Affiliation(s)
- Celia Martín-Cuevas
- Instituto de Biomedicina de Sevilla (IBiS)/University Hospital Virgen del Rocío/CSIC/University of Sevilla, Manuel Siurot AV, 41013 Seville, Spain; Spanish Network for Research in Mental Health (CIBERSAM, ISCIII), Monforte de Lemos AV, 3-5, 28029 Madrid, Spain.
| | - Víctor Darío Ramos-Herrero
- Instituto de Biomedicina de Sevilla (IBiS)/University Hospital Virgen del Rocío/CSIC/University of Sevilla, Manuel Siurot AV, 41013 Seville, Spain.
| | - Benedicto Crespo-Facorro
- Instituto de Biomedicina de Sevilla (IBiS)/University Hospital Virgen del Rocío/CSIC/University of Sevilla, Manuel Siurot AV, 41013 Seville, Spain; Spanish Network for Research in Mental Health (CIBERSAM, ISCIII), Monforte de Lemos AV, 3-5, 28029 Madrid, Spain; Department of Psychiatry, School of Medicine, University of Sevilla, Manuel Siurot AV, 41013 Seville, Spain.
| | - Ana C Sánchez-Hidalgo
- Instituto de Biomedicina de Sevilla (IBiS)/University Hospital Virgen del Rocío/CSIC/University of Sevilla, Manuel Siurot AV, 41013 Seville, Spain; Spanish Network for Research in Mental Health (CIBERSAM, ISCIII), Monforte de Lemos AV, 3-5, 28029 Madrid, Spain.
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Joly-Amado A, Kulkarni N, Nash KR. Reelin Signaling in Neurodevelopmental Disorders and Neurodegenerative Diseases. Brain Sci 2023; 13:1479. [PMID: 37891846 PMCID: PMC10605156 DOI: 10.3390/brainsci13101479] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/13/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
Reelin is an extracellular matrix glycoprotein involved in neuronal migration during embryonic brain development and synaptic plasticity in the adult brain. The role of Reelin in the developing central nervous system has been extensively characterized. Indeed, a loss of Reelin or a disruption in its signaling cascade leads to neurodevelopmental defects and is associated with ataxia, intellectual disability, autism, and several psychiatric disorders. In the adult brain, Reelin is critically involved in neurogenesis and synaptic plasticity. Reelin's signaling potentiates glutamatergic and GABAergic neurotransmission, induces synaptic maturation, and increases AMPA and NMDA receptor subunits' expression and activity. As a result, there is a growing literature reporting that a loss of function and/or reduction of Reelin is implicated in numerous neurodegenerative diseases. The present review summarizes the current state of the literature regarding the implication of Reelin and Reelin-mediated signaling during aging and neurodegenerative disorders, highlighting Reelin as a possible target in the prevention or treatment of progressive neurodegeneration.
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Affiliation(s)
- Aurelie Joly-Amado
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (N.K.); (K.R.N.)
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Escudero B, Moya M, López-Valencia L, Arias F, Orio L. Reelin Plasma Levels Identify Cognitive Decline in Alcohol Use Disorder Patients During Early Abstinence: The Influence of APOE4 Expression. Int J Neuropsychopharmacol 2023; 26:545-556. [PMID: 37350760 PMCID: PMC10464928 DOI: 10.1093/ijnp/pyad034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 06/21/2023] [Indexed: 06/24/2023] Open
Abstract
BACKGROUND Apolipoprotein E (APOE)-4 isoform, reelin, and clusterin share very-low-density liporeceptor and apolipoprotein E receptor 2 receptors and are related to cognition in neuropsychiatric disorders. These proteins are expressed in plasma and brain, but studies involving plasma expression and cognition are scarce. METHODS We studied the peripheral expression (plasma and peripheral blood mononuclear cells) of these proteins in 24 middle-aged patients with alcohol use disorder (AUD) diagnosed at 4 to 12 weeks of abstinence (t = 0) and 34 controls. Cognition was assessed using the Test of Detection of Cognitive Impairment in Alcoholism. In a follow-up study (t = 1), we measured reelin levels and evaluated cognitive improvement at 6 months of abstinence. RESULTS APOE4 isoform was present in 37.5% and 58.8% of patients and controls, respectively, reaching similar plasma levels in ε4 carriers regardless of whether they were patients with AUD or controls. Plasma reelin and clusterin were higher in the AUD group, and reelin levels peaked in patients expressing APOE4 (P < .05, η2 = 0.09), who showed reduced very-low-density liporeceptor and apolipoprotein E receptor 2 expression in peripheral blood mononuclear cells. APOE4 had a negative effect on memory/learning mainly in the AUD group (P < .01, η2 = 0.15). Multivariate logistic regression analyses identified plasma reelin as a good indicator of AUD cognitive impairment at t = 0. At t = 1, patients with AUD showed lower reelin levels vs controls along with some cognitive improvement. CONCLUSIONS Reelin plasma levels are elevated during early abstinence in patients with AUD who express the APOE4 isoform, identifying cognitive deterioration to a great extent, and it may participate as a homeostatic signal for cognitive recovery in the long term.
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Affiliation(s)
- Berta Escudero
- Department of Psychobiology and Behavioral Sciences Methods, Faculty of Psychology, Complutense University of Madrid, Pozuelo de Alarcón, Spain
- Instituto de Investigación Sanitaria Hospital Universitario 12 de Octubre (imas12), Madrid, Spain
| | - Marta Moya
- Department of Psychobiology and Behavioral Sciences Methods, Faculty of Psychology, Complutense University of Madrid, Pozuelo de Alarcón, Spain
| | - Leticia López-Valencia
- Department of Psychobiology and Behavioral Sciences Methods, Faculty of Psychology, Complutense University of Madrid, Pozuelo de Alarcón, Spain
- Instituto de Investigación Sanitaria Hospital Universitario 12 de Octubre (imas12), Madrid, Spain
| | - Francisco Arias
- Department of Psychobiology and Behavioral Sciences Methods, Faculty of Psychology, Complutense University of Madrid, Pozuelo de Alarcón, Spain
- Instituto de Investigación Sanitaria Hospital Universitario 12 de Octubre (imas12), Madrid, Spain
- RIAPAd: Research Network in Primary Care in Addictions (“Red de investigación en atención primaria en adicciones”), Spain
| | - Laura Orio
- Department of Psychobiology and Behavioral Sciences Methods, Faculty of Psychology, Complutense University of Madrid, Pozuelo de Alarcón, Spain
- Instituto de Investigación Sanitaria Hospital Universitario 12 de Octubre (imas12), Madrid, Spain
- RIAPAd: Research Network in Primary Care in Addictions (“Red de investigación en atención primaria en adicciones”), Spain
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Li Q, Morrill NK, Moerman-Herzog AM, Barger SW, Joly-Amado A, Peters M, Soueidan H, Diemler C, Prabhudeva S, Weeber EJ, Nash KR. Central repeat fragment of reelin leads to active reelin intracellular signaling and rescues cognitive deficits in a mouse model of reelin deficiency. Cell Signal 2023:110763. [PMID: 37315752 DOI: 10.1016/j.cellsig.2023.110763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 05/19/2023] [Accepted: 06/07/2023] [Indexed: 06/16/2023]
Abstract
Reelin and its receptor, ApoER2, play important roles in prenatal brain development and postnatally in synaptic plasticity, learning, and memory. Previous reports suggest that reelin's central fragment binds to ApoER2 and receptor clustering is involved in subsequent intracellular signaling. However, limitations of currently available assays have not established cellular evidence of ApoER2 clustering upon binding of the central reelin fragment. In the present study, we developed a novel, cell-based assay of ApoER2 dimerization using a "split-luciferase" approach. Specifically, cells were co-transfected with one recombinant ApoER2 receptor fused to the N-terminus of luciferase and one ApoER2 receptor fused to the C-terminus of luciferase. Using this assay, we directly observed basal ApoER2 dimerization/clustering in transfected HEK293T cells and, significantly, an increase in ApoER2 clustering in response to that central fragment of reelin. Furthermore, the central fragment of reelin activated intracellular signal transduction of ApoER2, indicated by increased levels of phosphorylation of Dab1, ERK1/2, and Akt in primary cortical neurons. Functionally, we were able to demonstrate that injection of the central fragment of reelin rescued phenotypic deficits observed in the heterozygous reeler mouse. These data are the first to test the hypothesis that the central fragment of reelin contributes to facilitating the reelin intracellular signaling pathway through receptor clustering.
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Affiliation(s)
- Qingyou Li
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Nicole K Morrill
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Andréa M Moerman-Herzog
- Department of Geriatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States of America
| | - Steven W Barger
- Department of Geriatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States of America
| | - Aurelie Joly-Amado
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Melinda Peters
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Hana Soueidan
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Cory Diemler
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Sahana Prabhudeva
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Edwin J Weeber
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Kevin R Nash
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA.
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