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Shcherbinina V, Pavlova M, Daev E, Dyuzhikova N. Rats Selected for Different Nervous Excitability: Long-Term Emotional-Painful Stress Affects the Dynamics of DNA Damage in Cells of Several Brain Areas. Int J Mol Sci 2024; 25:994. [PMID: 38256068 PMCID: PMC10815859 DOI: 10.3390/ijms25020994] [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: 12/14/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
The maintenance of genome stability is critical for health, but during individual ontogenesis, different stressors affect DNA integrity, which can lead to functional and/or structural changes in the cells of target organs. In the nervous system, cell genome destabilization is associated with different neurological and psychiatric diseases, but experiments in vivo, where a link between stress and DNA instability has been demonstrated, are relatively rare. Here, we use rat strains selected for the contrast excitability of the tibialis nerve (n. tibialis) and nonselected Wistar rats to investigate the reasons for individual differences in developing post-stress pathologies. Previous research on the behavioral response of these strains to prolonged emotional-painful stress (PEPS) allows us to consider one strain as a model of post-traumatic stress disorder (PTSD) and another strain as a model of compulsive disorder (CD). We study DNA damage in the cells of the prefrontal cortex (PFC), hippocampus, and amygdala, regions involved in stress responses and the formation of post-stress dysfunctions. The evaluation of cell genome integrity via the comet assay shows different responses to PEPS in each brain area analyzed and for all strains used. This could help us to understand the reasons for individual differences in the consequences of stress and the pathophysiology of post-stress disease formation.
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Affiliation(s)
- Veronika Shcherbinina
- Laboratory of Higher Nervous Activity Genetics, Pavlov Institute of Physiology, Russian Academy of Sciences, nab. Makarova, 6, 199034 Saint Petersburg, Russia; (V.S.); (M.P.); or (E.D.)
- Department of Genetics and Biotechnology, Faculty of Biology, Saint Petersburg State University, Universitetskaya nab., 7–9, 199034 Saint Petersburg, Russia
| | - Marina Pavlova
- Laboratory of Higher Nervous Activity Genetics, Pavlov Institute of Physiology, Russian Academy of Sciences, nab. Makarova, 6, 199034 Saint Petersburg, Russia; (V.S.); (M.P.); or (E.D.)
| | - Eugene Daev
- Laboratory of Higher Nervous Activity Genetics, Pavlov Institute of Physiology, Russian Academy of Sciences, nab. Makarova, 6, 199034 Saint Petersburg, Russia; (V.S.); (M.P.); or (E.D.)
- Department of Genetics and Biotechnology, Faculty of Biology, Saint Petersburg State University, Universitetskaya nab., 7–9, 199034 Saint Petersburg, Russia
| | - Natalia Dyuzhikova
- Laboratory of Higher Nervous Activity Genetics, Pavlov Institute of Physiology, Russian Academy of Sciences, nab. Makarova, 6, 199034 Saint Petersburg, Russia; (V.S.); (M.P.); or (E.D.)
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Richter TA, Aiken AA, Puracchio MJ, Maganga-Bakita I, Hunter RG. Maternal Immune Activation and Enriched Environments Impact B2 SINE Expression in Stress Sensitive Brain Regions of Rodent Offspring. Genes (Basel) 2023; 14:858. [PMID: 37107616 PMCID: PMC10137338 DOI: 10.3390/genes14040858] [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: 01/24/2023] [Revised: 03/24/2023] [Accepted: 03/30/2023] [Indexed: 04/05/2023] Open
Abstract
Early life stress (ELS) can have wide-spread neurodevelopmental effects with support accumulating for the idea that genomic mechanisms may induce lasting physiological and behavioral changes following stress exposure. Previous work found that a sub-family of transposable elements, SINEs, are repressed epigenetically after acute stress. This gives support to the concept that the mammalian genome may be regulating retrotransposon RNA expression allowing for adaptation in response to environmental challenges, such as maternal immune activation (MIA). Transposon (TE) RNAs are now thought to work at the epigenetic level and to have an adaptive response to environmental stressors. Abnormal expression of TEs has been linked to neuropsychiatric disorders like schizophrenia, which is also linked to maternal immune activation. Environmental enrichment (EE), a clinically utilized intervention, is understood to protect the brain, enhance cognitive performance, and attenuate responses to stress. This study examines the effects of MIA on offspring B2 SINE expression and further, the impact that EE, experienced throughout gestation and early life, may have in conjunction with MIA during development. Utilizing RT-PCR to quantify the expression of B2 SINE RNA in the juvenile brain of MIA exposed rat offspring, we found dysregulation of B2 SINE expression associated with MIA in the prefrontal cortex. For offspring experiencing EE, the prefrontal cortex exhibited an attenuation of the MIA response observed in standard housed animals. Here, the adaptive nature of B2 is observed and thought to be aiding in the animal's adaptation to stress. The present changes indicate a wide-spread stress-response system adaptation that impacts not only changes at the genomic level but potentially observable behavioral impacts throughout the lifespan, with possible translational relevance to psychotic disorders.
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Affiliation(s)
- Troy A. Richter
- Department of Psychology, Developmental and Brain Sciences Program, University of Massachusetts Boston, Boston, MA 02125, USA
| | - Ariel A. Aiken
- Department of Psychology, Developmental and Brain Sciences Program, University of Massachusetts Boston, Boston, MA 02125, USA
| | - Madeline J. Puracchio
- School of Arts & Sciences, Massachusetts College of Pharmacy and Health Sciences, Boston, MA 02125, USA
| | - Ismael Maganga-Bakita
- Department of Psychology, Developmental and Brain Sciences Program, University of Massachusetts Boston, Boston, MA 02125, USA
| | - Richard G. Hunter
- Department of Psychology, Developmental and Brain Sciences Program, University of Massachusetts Boston, Boston, MA 02125, USA
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3
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Castro SCC, Bicca C, Bicca B, Araujo S, Viola TW. A systematic mini-review of epigenetic mechanisms associated with electroconvulsive therapy in humans. Front Hum Neurosci 2023; 17:1143332. [PMID: 36968786 PMCID: PMC10033581 DOI: 10.3389/fnhum.2023.1143332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 02/06/2023] [Indexed: 03/11/2023] Open
Abstract
IntroductionElectroconvulsive therapy (ECT) is one of the most effective strategies for treating resistant major depression. Although the mechanism of action is not fully understood and studies are limited, epigenetics is a promising area for the development of biomarkers associated with ECT treatment response.AimWe reviewed studies available in the literature that explored the epigenetics of ECT in peripheral samples from patients with major depressive disorder (MDD).MethodsA systematic review was performed following The PRISMA guidelines. The search was performed in seven electronic databases: Scopus, Web of Science, Medline, PsycINFO, Embase, Cochrane, and Cinahl.ResultsNine studies were included. Seven assessed DNA methylation and three investigated microRNAs (miR). Overall, most studies were exploratory, with small sample sizes, and we found high heterogeneity between the study’s design, ECT protocols, molecular biology methods, and epigenetic findings. Investigated candidates with some evidence of association with ECT treatment response were BDNF, S100A10, RNF213M, TNKS, FKBP5, miR-126, miR-106a, and miR-24.ConclusionThe present findings seem to support previous preclinical research, suggesting that epigenetic mechanisms play an important role in the molecular mechanism underlying ECT effects.
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Ni C, Qian M, Geng J, Qu Y, Tian Y, Yang N, Li S, Zheng H. DNA Methylation Manipulation of Memory Genes Is Involved in Sevoflurane Induced Cognitive Impairments in Aged Rats. Front Aging Neurosci 2020; 12:211. [PMID: 33013350 PMCID: PMC7461785 DOI: 10.3389/fnagi.2020.00211] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 06/16/2020] [Indexed: 12/14/2022] Open
Abstract
DNA methylation is an essential epigenetic mechanism involving in gene transcription modulation. An age-related increase in promoter methylation has been observed for neuronal activity and memory genes, and participates in neurological disorders. However, the position and precise mechanism of DNA methylation for memory gene modulation in anesthesia related cognitive impairment remained to be determined. Here, we studied the effects of sevoflurane anesthesia on the transcription of memory genes in the aged rat hippocampus. Then, we investigated changes in DNA methylation of involved genes and verified whether dysregulated DNA methylation would contribute to anesthesia induced cognitive impairment. The results indicated that sevoflurane anesthesia down-regulated the mRNA and protein levels of three memory genes, Arc, Bdnf, and Reln, which were accompanied with promoter hypermethylation and increased Dnmt1, Dnmt3a, and Mecp2 expression, and finally impaired hippocampus dependent memory. Furthermore, inhibition of DNA hypermethylation by 5-Aza rescued sevoflurane induced memory gene expression decrease and cognitive impairment. These findings provide an epigenetic understanding for the pathophysiology of cognitive impairment induced by general anesthesia in aged brain.
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Affiliation(s)
- Cheng Ni
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Min Qian
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Jiao Geng
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yinyin Qu
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Yi Tian
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ning Yang
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Shuai Li
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hui Zheng
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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5
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Poon CH, Chan YS, Fung ML, Lim LW. Memory and neuromodulation: A perspective of DNA methylation. Neurosci Biobehav Rev 2019; 111:57-68. [PMID: 31846654 DOI: 10.1016/j.neubiorev.2019.12.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/05/2019] [Accepted: 12/13/2019] [Indexed: 02/07/2023]
Abstract
Neuromodulation techniques have shown promising efficacy on memory function and understanding the epigenetic mechanisms contributing to these processes would shed light on the molecular outcomes essential for cognition. In this review, we highlight some epigenetic mechanisms underlying neuromodulation and regulatory effects of neuronal activity-induced DNA methylation on genes that are highly involved in memory formation. Next, we examine the evidence to support DNA methyltransferase 3a, methyl-CpG binding protein 2, and DNA demethylase as possible memory modulation targets. Finally, we report the recent developments in the field of neuromodulation and explore the potential of these techniques for future neuroepigenetic research.
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Affiliation(s)
- Chi Him Poon
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Ying-Shing Chan
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Man Lung Fung
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Lee Wei Lim
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China.
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6
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Liester MB, Sullivan EE. A review of epigenetics in human consciousness. COGENT PSYCHOLOGY 2019. [DOI: 10.1080/23311908.2019.1668222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Affiliation(s)
- Mitchell B. Liester
- Department of Psychiatry, University of Colorado School of Medicine, P.O. Box 302 153 N. Washington Street, Suite 103, Monument, CO 80132, USA
| | - Erin E. Sullivan
- Computer Science, University of Oklahoma, P.O. Box 302, Monument, CO 80132, USA
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7
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Calabrò M, Fabbri C, Crisafulli C, Albani D, Forloni G, Kasper S, Sidoti A, Velardi E, Zohar J, Juven-Wetzler A, Souery D, Montgomery S, Mendlewicz J, Serretti A. The serotonin transporter and the activity regulated cytoskeleton-associated protein genes in antidepressant response and resistance: 5-HTTLPR and other variants. Hum Psychopharmacol 2018; 33:e2682. [PMID: 30426571 DOI: 10.1002/hup.2682] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 10/05/2018] [Accepted: 10/08/2018] [Indexed: 01/14/2023]
Affiliation(s)
- Marco Calabrò
- Department of Biomedical and Dental Sciences and Morphofunctional Images, Division of Medical Biotechnologies and Preventive Medicine, University of Messina, Messina, Italy
| | - Chiara Fabbri
- Department of Biomedical and NeuroMotor Sciences, University of Bologna, Bologna, Italy
| | - Concetta Crisafulli
- Department of Biomedical and Dental Sciences and Morphofunctional Images, Division of Medical Biotechnologies and Preventive Medicine, University of Messina, Messina, Italy
| | - Diego Albani
- Laboratory of Biology of Neurodegenerative Disorders, Neuroscience Department, IRCCS Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Gianluigi Forloni
- Laboratory of Biology of Neurodegenerative Disorders, Neuroscience Department, IRCCS Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy
| | - Siegfried Kasper
- Department of Psychiatry and Psychotherapy, Medical University Vienna, Vienna, Austria
| | - Antonina Sidoti
- Department of Biomedical and Dental Sciences and Morphofunctional Images, Division of Medical Biotechnologies and Preventive Medicine, University of Messina, Messina, Italy
| | - Elvira Velardi
- Department of Biomedical and Dental Sciences and Morphofunctional Images, Division of Medical Biotechnologies and Preventive Medicine, University of Messina, Messina, Italy
| | - Joseph Zohar
- Department of Psychiatry, Sheba Medical Center, Tel Hashomer, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Alzbeta Juven-Wetzler
- Department of Psychiatry, Sheba Medical Center, Tel Hashomer, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Daniel Souery
- Laboratoire de Psychologie Medicale, Universitè Libre de Bruxelles and Psy Pluriel, Centre Européen de Psychologie Medicale, Brussels, Belgium
| | | | | | - Alessandro Serretti
- Department of Biomedical and NeuroMotor Sciences, University of Bologna, Bologna, Italy
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8
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Grassi D, Franz H, Vezzali R, Bovio P, Heidrich S, Dehghanian F, Lagunas N, Belzung C, Krieglstein K, Vogel T. Neuronal Activity, TGFβ-Signaling and Unpredictable Chronic Stress Modulate Transcription of Gadd45 Family Members and DNA Methylation in the Hippocampus. Cereb Cortex 2018; 27:4166-4181. [PMID: 28444170 DOI: 10.1093/cercor/bhx095] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 04/04/2017] [Indexed: 02/06/2023] Open
Abstract
Neuronal activity is altered in several neurological and psychiatric diseases. Upon depolarization not only neurotransmitters are released but also cytokines and other activators of signaling cascades. Unraveling their complex implication in transcriptional control in receiving cells will contribute to understand specific central nervous system (CNS) pathologies and will be of therapeutically interest. In this study we depolarized mature hippocampal neurons in vitro using KCl and revealed increased release not only of brain-derived neurotrophic factor (BDNF) but also of transforming growth factor beta (TGFB). Neuronal activity together with BDNF and TGFB controls transcription of DNA modifying enzymes specifically members of the DNA-damage-inducible (Gadd) family, Gadd45a, Gadd45b, and Gadd45g. MeDIP followed by massive parallel sequencing and transcriptome analyses revealed less DNA methylation upon KCl treatment. Psychiatric disorder-related genes, namely Tshz1, Foxn3, Jarid2, Per1, Map3k5, and Arc are transcriptionally activated and demethylated upon neuronal activation. To analyze whether misexpression of Gadd45 family members are associated with psychiatric diseases, we applied unpredictable chronic mild stress (UCMS) as established model for depression to mice. UCMS led to reduced expression of Gadd45 family members. Taken together, our data demonstrate that Gadd45 family members are new putative targets for UCMS treatments.
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Affiliation(s)
- Daniela Grassi
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany.,Department of Basic Biomedical Sciences, Faculty of Biomedical Science and Health, Universidad Europea de Madrid, Madrid, Spain
| | - Henriette Franz
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
| | - Riccardo Vezzali
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
| | - Patrick Bovio
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany.,Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany
| | - Stefanie Heidrich
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
| | - Fariba Dehghanian
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
| | - Natalia Lagunas
- Inserm U 930, Université François Rabelais, 37200 Tours, France
| | | | - Kerstin Krieglstein
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany.,BIOSS Centre for Biological Signalling Studies, University of Freiburg, 79104 Freiburg, Germany
| | - Tanja Vogel
- Department of Molecular Embryology, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
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9
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Cui D, Xu X. DNA Methyltransferases, DNA Methylation, and Age-Associated Cognitive Function. Int J Mol Sci 2018; 19:E1315. [PMID: 29710796 PMCID: PMC5983821 DOI: 10.3390/ijms19051315] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 04/20/2018] [Accepted: 04/20/2018] [Indexed: 12/16/2022] Open
Abstract
Ageing, a leading cause of the decline/deficits in human learning, memory, and cognitive abilities, is a major risk factor for age-associated neurodegenerative disorders such as Alzheimer’s disease. Emerging evidence suggests that epigenetics, an inheritable but reversible biochemical process, plays a crucial role in the pathogenesis of age-related neurological disorders. DNA methylation, the best-known epigenetic mark, has attracted most attention in this regard. DNA methyltransferases (DNMTs) are key enzymes in mediating the DNA methylation process, by which a methyl group is transferred, faithfully or anew, to genomic DNA sequences. Biologically, DNMTs are important for gene imprinting. Accumulating evidence suggests that DNMTs not only play critical roles, including gene imprinting and transcription regulation, in early development stages of the central nervous system (CNS), but also are indispensable in adult learning, memory, and cognition. Therefore, the impact of DNMTs and DNA methylation on age-associated cognitive functions and neurodegenerative diseases has emerged as a pivotal topic in the field. In this review, the effects of each DNMT on CNS development and healthy and pathological ageing are discussed.
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Affiliation(s)
- Di Cui
- Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany.
| | - Xiangru Xu
- Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany.
- Department of Anesthesiology, Yale University School of Medicine, New Haven, CT 06520, USA.
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10
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Chan RF, Shabalin AA, Xie LY, Adkins DE, Zhao M, Turecki G, Clark SL, Aberg KA, van den Oord EJCG. Enrichment methods provide a feasible approach to comprehensive and adequately powered investigations of the brain methylome. Nucleic Acids Res 2017; 45:e97. [PMID: 28334972 PMCID: PMC5499761 DOI: 10.1093/nar/gkx143] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Accepted: 02/20/2017] [Indexed: 12/19/2022] Open
Abstract
Methylome-wide association studies are typically performed using microarray technologies that only assay a very small fraction of the CG methylome and entirely miss two forms of methylation that are common in brain and likely of particular relevance for neuroscience and psychiatric disorders. The alternative is to use whole genome bisulfite (WGB) sequencing but this approach is not yet practically feasible with sample sizes required for adequate statistical power. We argue for revisiting methylation enrichment methods that, provided optimal protocols are used, enable comprehensive, adequately powered and cost-effective genome-wide investigations of the brain methylome. To support our claim we use data showing that enrichment methods approximate the sensitivity obtained with WGB methods and with slightly better specificity. However, this performance is achieved at <5% of the reagent costs. Furthermore, because many more samples can be sequenced simultaneously, projects can be completed about 15 times faster. Currently the only viable option available for comprehensive brain methylome studies, enrichment methods may be critical for moving the field forward.
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Affiliation(s)
- Robin F Chan
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Andrey A Shabalin
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Lin Y Xie
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Daniel E Adkins
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Min Zhao
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Gustavo Turecki
- Douglas Mental Health University Institute and McGill University, Montréal, Québec H4H 1R3, Canada
| | - Shaunna L Clark
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Karolina A Aberg
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Edwin J C G van den Oord
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
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11
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Mythri RB, Raghunath NR, Narwade SC, Pandareesh MDR, Sabitha KR, Aiyaz M, Chand B, Sule M, Ghosh K, Kumar S, Shankarappa B, Soundararajan S, Alladi PA, Purushottam M, Gayathri N, Deobagkar DD, Laxmi TR, Srinivas Bharath MM. Manganese- and 1-methyl-4-phenylpyridinium-induced neurotoxicity display differences in morphological, electrophysiological and genome-wide alterations: implications for idiopathic Parkinson's disease. J Neurochem 2017; 143:334-358. [DOI: 10.1111/jnc.14147] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 08/02/2017] [Accepted: 08/02/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Rajeswara Babu Mythri
- Department of Neurochemistry; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
- Neurotoxicology Laboratory-Neurobiology Research Center; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
| | - Narayana Reddy Raghunath
- Department of Neurochemistry; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
- Neurotoxicology Laboratory-Neurobiology Research Center; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
| | | | - Mirazkar Dasharatha Rao Pandareesh
- Department of Neurochemistry; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
- Neurotoxicology Laboratory-Neurobiology Research Center; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
| | - Kollarkandi Rajesh Sabitha
- Department of Neurophysiology; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
| | - Mohamad Aiyaz
- Genotypic Technology Pvt. Ltd; Bangalore Karnataka India
| | - Bipin Chand
- Genotypic Technology Pvt. Ltd; Bangalore Karnataka India
| | - Manas Sule
- InterpretOmics; Shezan Lavelle; Bangalore Karnataka India
| | - Krittika Ghosh
- InterpretOmics; Shezan Lavelle; Bangalore Karnataka India
| | - Senthil Kumar
- InterpretOmics; Shezan Lavelle; Bangalore Karnataka India
| | - Bhagyalakshmi Shankarappa
- Molecular Genetics Laboratory - Neurobiology Research Center; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
| | - Soundarya Soundararajan
- Molecular Genetics Laboratory - Neurobiology Research Center; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
| | - Phalguni Anand Alladi
- Department of Neurophysiology; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
| | - Meera Purushottam
- Molecular Genetics Laboratory - Neurobiology Research Center; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
| | - Narayanappa Gayathri
- Department of Neuropathology; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
| | | | - Thenkanidiyoor Rao Laxmi
- Department of Neurophysiology; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
| | - Muchukunte Mukunda Srinivas Bharath
- Department of Neurochemistry; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
- Neurotoxicology Laboratory-Neurobiology Research Center; National Institute of Mental Health and Neurosciences (NIMHANS); Bangalore Karnataka India
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12
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Firmino J, Carballo C, Armesto P, Campinho MA, Power DM, Manchado M. Phylogeny, expression patterns and regulation of DNA Methyltransferases in early development of the flatfish, Solea senegalensis. BMC DEVELOPMENTAL BIOLOGY 2017; 17:11. [PMID: 28716037 PMCID: PMC5513168 DOI: 10.1186/s12861-017-0154-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 07/06/2017] [Indexed: 12/12/2022]
Abstract
Background The identification of DNA methyltransferases (Dnmt) expression patterns during development and their regulation is important to understand the epigenetic mechanisms that modulate larval plasticity in marine fish. In this study, dnmt1 and dnmt3 paralogs were identified in the flatfish Solea senegalensis and expression patterns in early developmental stages and juveniles were determined. Additionally, the regulation of Dnmt transcription by a specific inhibitor (5-aza-2′-deoxycytidine) and temperature was evaluated. Results Five paralog genes of dnmt3, namely dnmt3aa, dnmt3ab, dnmt3ba, dnmt3bb.1 and dnmt3bb.2 and one gene for dnmt1 were identified. Phylogenetic analysis revealed that the dnmt gene family was highly conserved in teleosts and three fish-specific genes, dnmt3aa, dnmt3ba and dnmt3bb.2 have evolved. The spatio-temporal expression patterns of four dnmts (dnmt1, dnmt3aa, dnmt3ab and dnmt3bb.1) were different in early larval stages although all of them reduced expression with the age and were detected in neural organs and dnmt3aa appeared specific to somites. In juveniles, the four dnmt genes were expressed in brain and hematopoietic tissues such as kidney, spleen and gills. Treatment of sole embryos with 5-aza-2′-deoxycytidine down-regulated dntm1 and up-regulated dntm3aa. Moreover, in lecithotrophic larval stages, dnmt3aa and dnmt3ab were temperature sensitive and their expression was higher in larvae incubated at 16 °C relative to 20 °C. Conclusion Five dnmt3 and one dnmt1 paralog were identified in sole and their distinct developmental and tissue-specific expression patterns indicate that they may have different roles during development. The inhibitor 5-aza-2′-deoxycytidine modified the transcript abundance of dntm1 and dntm3aa in embryos, which suggests that a regulatory feedback mechanism exists for these genes. The impact of thermal regime on expression levels of dnmt3aa and dnmt3ab in lecithotrophic larval stages suggests that these paralogs might be involved in thermal programing. Electronic supplementary material The online version of this article (doi:10.1186/s12861-017-0154-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Joana Firmino
- IFAPA Centro El Toruño, Junta de Andalucía, Camino Tiro Pichón s/n, 11500 El Puerto de Santa María, Cádiz, Spain.,Comparative Molecular Endocrinology Group, Marine Science Centre (CCMAR), Universidade do Algarve, 8005-139, Faro, Portugal
| | - Carlos Carballo
- IFAPA Centro El Toruño, Junta de Andalucía, Camino Tiro Pichón s/n, 11500 El Puerto de Santa María, Cádiz, Spain
| | - Paula Armesto
- IFAPA Centro El Toruño, Junta de Andalucía, Camino Tiro Pichón s/n, 11500 El Puerto de Santa María, Cádiz, Spain
| | - Marco A Campinho
- Comparative Molecular Endocrinology Group, Marine Science Centre (CCMAR), Universidade do Algarve, 8005-139, Faro, Portugal
| | - Deborah M Power
- Comparative Molecular Endocrinology Group, Marine Science Centre (CCMAR), Universidade do Algarve, 8005-139, Faro, Portugal
| | - Manuel Manchado
- IFAPA Centro El Toruño, Junta de Andalucía, Camino Tiro Pichón s/n, 11500 El Puerto de Santa María, Cádiz, Spain.
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Pusalkar M, Ghosh S, Jaggar M, Husain BFA, Galande S, Vaidya VA. Acute and Chronic Electroconvulsive Seizures (ECS) Differentially Regulate the Expression of Epigenetic Machinery in the Adult Rat Hippocampus. Int J Neuropsychopharmacol 2016; 19:pyw040. [PMID: 27207907 PMCID: PMC5043647 DOI: 10.1093/ijnp/pyw040] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2016] [Accepted: 04/27/2016] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Electroconvulsive seizure treatment is a fast-acting antidepressant therapy that evokes rapid transcriptional, neurogenic, and behavioral changes. Epigenetic mechanisms contribute to altered gene regulation, which underlies the neurogenic and behavioral effects of electroconvulsive seizure. We hypothesized that electroconvulsive seizure may modulate the expression of epigenetic machinery, thus establishing potential alterations in the epigenetic landscape. METHODS We examined the influence of acute and chronic electroconvulsive seizure on the gene expression of histone modifiers, namely histone acetyltransferases, histone deacetylases, histone methyltransferases, and histone (lysine) demethylases as well as DNA modifying enzymes, including DNA methyltransferases, DNA demethylases, and methyl-CpG-binding proteins in the hippocampi of adult male Wistar rats using quantitative real time-PCR analysis. Further, we examined the influence of acute and chronic electroconvulsive seizure on global and residue-specific histone acetylation and methylation levels within the hippocampus, a brain region implicated in the cellular and behavioral effects of electroconvulsive seizure. RESULTS Acute and chronic electroconvulsive seizure induced a primarily unique, and in certain cases bidirectional, regulation of histone and DNA modifiers, and methyl-CpG-binding proteins, with an overlapping pattern of gene regulation restricted to Sirt4, Mll3, Jmjd3, Gadd45b, Tet2, and Tet3. Global histone acetylation and methylation levels were predominantly unchanged, with the exception of a significant decline in H3K9 acetylation in the hippocampus following chronic electroconvulsive seizure. CONCLUSIONS Electroconvulsive seizure treatment evokes the transcriptional regulation of several histone and DNA modifiers, and methyl-CpG-binding proteins within the hippocampus, with a predominantly distinct pattern of regulation induced by acute and chronic electroconvulsive seizure.
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Affiliation(s)
- Madhavi Pusalkar
- Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, Maharashtra, India (Dr Pusalkar, Ms Ghosh, Ms Jaggar, Ms Husain, and Dr Vaidya); Centre of Excellence in Epigenetics, Indian Institute of Science Education and Research, Pune, Maharashtra, India (Dr Galande)
| | - Shreya Ghosh
- Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, Maharashtra, India (Dr Pusalkar, Ms Ghosh, Ms Jaggar, Ms Husain, and Dr Vaidya); Centre of Excellence in Epigenetics, Indian Institute of Science Education and Research, Pune, Maharashtra, India (Dr Galande)
| | - Minal Jaggar
- Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, Maharashtra, India (Dr Pusalkar, Ms Ghosh, Ms Jaggar, Ms Husain, and Dr Vaidya); Centre of Excellence in Epigenetics, Indian Institute of Science Education and Research, Pune, Maharashtra, India (Dr Galande)
| | - Basma Fatima Anwar Husain
- Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, Maharashtra, India (Dr Pusalkar, Ms Ghosh, Ms Jaggar, Ms Husain, and Dr Vaidya); Centre of Excellence in Epigenetics, Indian Institute of Science Education and Research, Pune, Maharashtra, India (Dr Galande)
| | - Sanjeev Galande
- Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, Maharashtra, India (Dr Pusalkar, Ms Ghosh, Ms Jaggar, Ms Husain, and Dr Vaidya); Centre of Excellence in Epigenetics, Indian Institute of Science Education and Research, Pune, Maharashtra, India (Dr Galande)
| | - Vidita A Vaidya
- Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, Maharashtra, India (Dr Pusalkar, Ms Ghosh, Ms Jaggar, Ms Husain, and Dr Vaidya); Centre of Excellence in Epigenetics, Indian Institute of Science Education and Research, Pune, Maharashtra, India (Dr Galande).
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Yao ZH, Kang X, Yang L, Niu Y, Lu Y, Nie L. PBA regulates neurogenesis and cognition dysfunction after repeated electroconvulsive shock in a rat model. Psychiatry Res 2015; 230:331-40. [PMID: 26381183 DOI: 10.1016/j.psychres.2015.09.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 09/01/2015] [Accepted: 09/07/2015] [Indexed: 12/23/2022]
Abstract
Electroconvulsive therapy (ECT) was widely used to treat the refractory depression. But ECT led to the cognitive deficits plaguing the depression patients. The underlying mechanisms of the cognitive deficits remain elusive. Repeated electroconvulsive shock (rECS) was used to simulate ECT and explore the mechanisms of ECT during the animal studies. Previous studies showed rECS could lead to neurogenesis and cognitive impairment. But it was well known that neurogenesis could improve the cognition. So these suggested that the mechanism of the cognitive deficit after rECS was very complex. In present study, we explored the probable mechanisms of the cognitive deficit after rECS from neurogenesis aspect. We found the cognitive deficit was reversible and neurogenesis could bring a long-term beneficial effect on cognition. Astrogliosis and NR1 down-regulation probably participated in the reversible cognitive deficits after rECS. Phenylbutyric acid (PBA), generally as an agent to investigate the roles of histone acetylation, could prevent the reversible cognitive dysfunction, but PBA could diminish the long-term effect of enhanced cognition by rECS. These suggested that ECT could possibly bring the long-term beneficial cognitive effect by regulating neurogenesis.
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Affiliation(s)
- Zhao-Hui Yao
- Department of Geriatrics, Renmin Hospital of Wuhan University, #238 Jiefang Road, Wuhan 430060, China; Department of Pathophysiology, Key Laboratory of Neurological Diseases of Education Committee of China, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Xiang Kang
- Department of Pathophysiology, Key Laboratory of Neurological Diseases of Education Committee of China, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Liu Yang
- Department of Pathophysiology, Key Laboratory of Neurological Diseases of Education Committee of China, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Niu
- Department of Pathophysiology, Key Laboratory of Neurological Diseases of Education Committee of China, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ye Lu
- Department of Pathophysiology, Key Laboratory of Neurological Diseases of Education Committee of China, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Li Nie
- Department of Geriatrics, Renmin Hospital of Wuhan University, #238 Jiefang Road, Wuhan 430060, China
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15
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McEwen BS, Bowles NP, Gray JD, Hill MN, Hunter RG, Karatsoreos IN, Nasca C. Mechanisms of stress in the brain. Nat Neurosci 2015; 18:1353-63. [PMID: 26404710 PMCID: PMC4933289 DOI: 10.1038/nn.4086] [Citation(s) in RCA: 843] [Impact Index Per Article: 93.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2015] [Accepted: 07/08/2015] [Indexed: 02/07/2023]
Abstract
The brain is the central organ involved in perceiving and adapting to social and physical stressors via multiple interacting mediators, from the cell surface to the cytoskeleton to epigenetic regulation and nongenomic mechanisms. A key result of stress is structural remodeling of neural architecture, which may be a sign of successful adaptation, whereas persistence of these changes when stress ends indicates failed resilience. Excitatory amino acids and glucocorticoids have key roles in these processes, along with a growing list of extra- and intracellular mediators that includes endocannabinoids and brain-derived neurotrophic factor (BDNF). The result is a continually changing pattern of gene expression mediated by epigenetic mechanisms involving histone modifications and CpG methylation and hydroxymethylation as well as by the activity of retrotransposons that may alter genomic stability. Elucidation of the underlying mechanisms of plasticity and vulnerability of the brain provides a basis for understanding the efficacy of interventions for anxiety and depressive disorders as well as age-related cognitive decline.
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Affiliation(s)
- Bruce S McEwen
- Laboratory of Neuroendocrinology, The Rockefeller University, New York, New York, USA
| | - Nicole P Bowles
- Laboratory of Neuroendocrinology, The Rockefeller University, New York, New York, USA
| | - Jason D Gray
- Laboratory of Neuroendocrinology, The Rockefeller University, New York, New York, USA
| | - Matthew N Hill
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - Richard G Hunter
- Department of Psychology, University of Massachusetts Boston, Boston, Massachusetts, USA
| | - Ilia N Karatsoreos
- Department of Integrative Physiology and Neuroscience, Washington State University, Pullman, Washington, USA
| | - Carla Nasca
- Laboratory of Neuroendocrinology, The Rockefeller University, New York, New York, USA
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