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Brązert M, Kranc W, Nawrocki MJ, Sujka-Kordowska P, Konwerska A, Jankowski M, Kocherova I, Celichowski P, Jeseta M, Ożegowska K, Antosik P, Bukowska D, Skowroński MT, Bruska M, Pawelczyk L, Zabel M, Piotrowska-Kempisty H, Nowicki M, Kempisty B. New markers for regulation of transcription and macromolecule metabolic process in porcine oocytes during in vitro maturation. Mol Med Rep 2020; 21:1537-1551. [PMID: 32016446 PMCID: PMC7002967 DOI: 10.3892/mmr.2020.10963] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 07/01/2019] [Indexed: 12/15/2022] Open
Abstract
Oocyte maturation is essential for proper fertilization, embryo implantation and early development. While the physiological conditions of these processes are relatively well-known, its exact molecular mechanisms remain widely undiscovered. Oocyte growth, differentiation and maturation are therefore the subject of scientific debate. Precious literature has indicated that the oocyte itself serves a regulatory role in the mechanisms underlying these processes. Hence, the present study performed expression microarrays to analyze the complete transcriptome of porcine oocytes during their in vitro maturation (IVM). Pig material was used for experimentation, as it possesses similarities to the reproductive processes and general genetic proximities of Sus scrofa to human. Oocytes, isolated from the ovaries of slaughtered animals were assessed via the Brilliant Cresyl Blue test and directed to IVM. A number of oocytes were left to be analyzed as the ‘before IVM’ group. Oocyte mRNA was isolated and used for microarray analysis, which was subsequently validated via RT-qPCR. The current study particularly focused on genes belonging to ‘positive regulation of transcription, DNA-dependent’, ‘positive regulation of gene expression’, ‘positive regulation of macromolecule metabolic process’ and ‘positive regulation of transcription from RNA polymerase II promoter’ ontologies. FOS, VEGFA, ESR1, AR, CCND2, EGR2, ENDRA, GJA1, INHBA, IHH, INSR, APP, WWTR1, SMARCA1, NFAT5, SMAD4, MAP3K1, EGR1, RORA, ECE1, NR5A1, KIT, IKZF2, MEF2C, SH3D19, MITF and PSMB4 were all determined to be significantly altered (fold change, >|2|; P<0.05) among these groups, with their downregulation being observed after IVM. Genes with the most altered expressions were analyzed and considered to be potential markers of maturation associated with transcription regulation and macromolecule metabolism process.
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Affiliation(s)
- Maciej Brązert
- Division of Infertility and Reproductive Endocrinology, Department of Gynecology, Obstetrics and Gynecological Oncology, Poznan University of Medical Sciences, Poznan 60‑535, Poland
| | - Wiesława Kranc
- Department of Anatomy, Poznan University of Medical Sciences, Poznan 60‑781, Poland
| | - Mariusz J Nawrocki
- Department of Anatomy, Poznan University of Medical Sciences, Poznan 60‑781, Poland
| | - Patrycja Sujka-Kordowska
- Department of Histology and Embryology, Poznan University of Medical Sciences, Poznan 60‑781, Poland
| | - Aneta Konwerska
- Department of Histology and Embryology, Poznan University of Medical Sciences, Poznan 60‑781, Poland
| | - Maurycy Jankowski
- Department of Anatomy, Poznan University of Medical Sciences, Poznan 60‑781, Poland
| | - Ievgeniia Kocherova
- Department of Anatomy, Poznan University of Medical Sciences, Poznan 60‑781, Poland
| | - Piotr Celichowski
- Department of Histology and Embryology, Poznan University of Medical Sciences, Poznan 60‑781, Poland
| | - Michal Jeseta
- Department of Obstetrics and Gynecology, University Hospital and Masaryk University, Brno 601‑77, Czech Republic
| | - Katarzyna Ożegowska
- Division of Infertility and Reproductive Endocrinology, Department of Gynecology, Obstetrics and Gynecological Oncology, Poznan University of Medical Sciences, Poznan 60‑535, Poland
| | - Paweł Antosik
- Veterinary Center, Nicolaus Copernicus University in Torun, Torun 87‑100, Poland
| | - Dorota Bukowska
- Veterinary Center, Nicolaus Copernicus University in Torun, Torun 87‑100, Poland
| | - Mariusz T Skowroński
- Veterinary Center, Nicolaus Copernicus University in Torun, Torun 87‑100, Poland
| | - Małgorzata Bruska
- Department of Anatomy, Poznan University of Medical Sciences, Poznan 60‑781, Poland
| | - Leszek Pawelczyk
- Division of Infertility and Reproductive Endocrinology, Department of Gynecology, Obstetrics and Gynecological Oncology, Poznan University of Medical Sciences, Poznan 60‑535, Poland
| | - Maciej Zabel
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, Wroclaw 50‑368, Poland
| | | | - Michał Nowicki
- Department of Histology and Embryology, Poznan University of Medical Sciences, Poznan 60‑781, Poland
| | - Bartosz Kempisty
- Department of Anatomy, Poznan University of Medical Sciences, Poznan 60‑781, Poland
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2
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Rizzardi LF, Hickey PF, Rodriguez DiBlasi V, Tryggvadóttir R, Callahan CM, Idrizi A, Hansen KD, Feinberg AP. Neuronal brain-region-specific DNA methylation and chromatin accessibility are associated with neuropsychiatric trait heritability. Nat Neurosci 2019; 22:307-316. [PMID: 30643296 PMCID: PMC6348048 DOI: 10.1038/s41593-018-0297-8] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 11/13/2018] [Indexed: 12/21/2022]
Abstract
Epigenetic modifications confer stable transcriptional patterns in the brain and both normal and abnormal brain function involve specialized brain regions. We examined DNA methylation by whole genome bisulfite sequencing in neuronal and non-neuronal populations from four brain regions (anterior cingulate gyrus, hippocampus, prefrontal cortex, and nucleus accumbens) as well as chromatin accessibility in the latter two. We find pronounced differences in CpG and non-CpG differentially methylated regions (CG- and CH-DMRs) only in neuronal cells across regions. While neuronal CH-DMRs were highly associated with differential gene expression, CG-DMRs were consistent with chromatin accessibility and enriched for regulatory regions. These CG-DMRs comprise ~12 Mb of the genome that is highly enriched for genomic regions associated with heritability of neuropsychiatric traits including addictive behavior, schizophrenia, and neuroticism, suggesting a mechanistic link between pathology and differential neuron-specific epigenetic regulation in distinct brain regions.
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Affiliation(s)
- Lindsay F Rizzardi
- Center for Epigenetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Peter F Hickey
- Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Varenka Rodriguez DiBlasi
- Center for Epigenetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Rakel Tryggvadóttir
- Center for Epigenetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Colin M Callahan
- Center for Epigenetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Adrian Idrizi
- Center for Epigenetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Kasper D Hansen
- Center for Epigenetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA. .,Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA. .,McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Andrew P Feinberg
- Center for Epigenetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA. .,Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA. .,Department of Biomedical Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD, USA. .,Department of Mental Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
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3
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Gassó P, Mas S, Rodríguez N, Boloc D, García-Cerro S, Bernardo M, Lafuente A, Parellada E. Microarray gene-expression study in fibroblast and lymphoblastoid cell lines from antipsychotic-naïve first-episode schizophrenia patients. J Psychiatr Res 2017; 95:91-101. [PMID: 28822801 DOI: 10.1016/j.jpsychires.2017.08.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 07/25/2017] [Accepted: 08/04/2017] [Indexed: 12/16/2022]
Abstract
Schizophrenia (SZ) is a chronic psychiatric disorder whose onset of symptoms occurs in late adolescence and early adulthood. The etiology is complex and involves important gene-environment interactions. Microarray gene-expression studies on SZ have identified alterations in several biological processes. The heterogeneity in the results can be attributed to the use of different sample types and other important confounding factors including age, illness chronicity and antipsychotic exposure. The aim of the present microarray study was to analyze, for the first time to our knowledge, differences in gene expression profiles in 18 fibroblast (FCLs) and 14 lymphoblastoid cell lines (LCLs) from antipsychotic-naïve first-episode schizophrenia (FES) patients and healthy controls. We used an analytical approach based on protein-protein interaction network construction and functional annotation analysis to identify the biological processes that are altered in SZ. Significant differences in the expression of 32 genes were found when LCLs were assessed. The network and gene set enrichment approach revealed the involvement of similar biological processes in FCLs and LCLs, including apoptosis and related biological terms such as cell cycle, autophagy, cytoskeleton organization and response to stress and stimulus. Metabolism and other processes, including signal transduction, kinase activity and phosphorylation, were also identified. These results were replicated in two independent cohorts using the same analytical approach. This provides more evidence for altered apoptotic processes in antipsychotic-naïve FES patients and other important biological functions such as cytoskeleton organization and metabolism. The convergent results obtained in both peripheral cell models support their usefulness for transcriptome studies on SZ.
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Affiliation(s)
- Patricia Gassó
- Dept. of Basic Clinical Practice, University of Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.
| | - Sergi Mas
- Dept. of Basic Clinical Practice, University of Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
| | | | - Daniel Boloc
- Dept. of Basic Clinical Practice, University of Barcelona, Spain
| | | | - Miquel Bernardo
- Barcelona Clínic Schizophrenia Unit (BCSU), Neuroscience Institute, Hospital Clínic de Barcelona, Spain; Dept. of Medicine, University of Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
| | - Amalia Lafuente
- Dept. of Basic Clinical Practice, University of Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
| | - Eduard Parellada
- Dept. of Basic Clinical Practice, University of Barcelona, Spain; Barcelona Clínic Schizophrenia Unit (BCSU), Neuroscience Institute, Hospital Clínic de Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
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Mereu M, Contarini G, Buonaguro EF, Latte G, Managò F, Iasevoli F, de Bartolomeis A, Papaleo F. Dopamine transporter (DAT) genetic hypofunction in mice produces alterations consistent with ADHD but not schizophrenia or bipolar disorder. Neuropharmacology 2017; 121:179-194. [PMID: 28454982 DOI: 10.1016/j.neuropharm.2017.04.037] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 03/13/2017] [Accepted: 04/24/2017] [Indexed: 01/02/2023]
Abstract
ADHD, schizophrenia and bipolar disorder are psychiatric diseases with a strong genetic component which share dopaminergic alterations. Dopamine transporter (DAT) genetics might be potentially implicated in all these disorders. However, in contrast to DAT absence, the effects of DAT hypofunction especially in developmental trajectories have been scarcely addressed. Thus, we comprehensively studied DAT hypofunctional mice (DAT+/-) from adolescence to adulthood to disentangle DAT-dependent alterations in the development of psychiatric-relevant phenotypes. From pre-adolescence onward, DAT+/- displayed a hyperactive phenotype, while responses to external stimuli and sensorimotor gating abilities were unaltered. General cognitive impairments in adolescent DAT+/- were partially ameliorated during adulthood in males but not in females. Despite this, attentional and impulsivity deficits were evident in DAT+/- adult males. At the molecular level, DAT+/- mice showed a reduced expression of Homer1a in the prefrontal cortex, while other brain regions as well as Arc and Homer1b expression were mostly unaffected. Amphetamine treatments reverted DAT+/- hyperactivity and rescued cognitive deficits. Moreover, amphetamine shifted DAT-dependent Homer1a altered expression from prefrontal cortex to striatal regions. These behavioral and molecular phenotypes indicate that a genetic-driven DAT hypofunction alters neurodevelopmental trajectories consistent with ADHD, but not with schizophrenia and bipolar disorders.
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Affiliation(s)
- M Mereu
- Department of Pharmaceutical Science, University of Padua, Padua, Italy
| | - G Contarini
- Department of Pharmaceutical Science, University of Padua, Padua, Italy
| | - E F Buonaguro
- Section of Psychiatry. Department of Neuroscience, Reproductive and Odontostomatological Science, University School of Medicine "Federico II", Naples, Italy
| | - G Latte
- Section of Psychiatry. Department of Neuroscience, Reproductive and Odontostomatological Science, University School of Medicine "Federico II", Naples, Italy
| | - F Managò
- Department of Neuroscience and Brain Technologies, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - F Iasevoli
- Section of Psychiatry. Department of Neuroscience, Reproductive and Odontostomatological Science, University School of Medicine "Federico II", Naples, Italy
| | - A de Bartolomeis
- Section of Psychiatry. Department of Neuroscience, Reproductive and Odontostomatological Science, University School of Medicine "Federico II", Naples, Italy
| | - F Papaleo
- Department of Neuroscience and Brain Technologies, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy.
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Papale LA, Li S, Madrid A, Zhang Q, Chen L, Chopra P, Jin P, Keleş S, Alisch RS. Sex-specific hippocampal 5-hydroxymethylcytosine is disrupted in response to acute stress. Neurobiol Dis 2016; 96:54-66. [PMID: 27576189 DOI: 10.1016/j.nbd.2016.08.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 08/18/2016] [Accepted: 08/23/2016] [Indexed: 01/18/2023] Open
Abstract
Environmental stress is among the most important contributors to increased susceptibility to develop psychiatric disorders. While it is well known that acute environmental stress alters gene expression, the molecular mechanisms underlying these changes remain largely unknown. 5-hydroxymethylcytosine (5hmC) is a novel environmentally sensitive epigenetic modification that is highly enriched in neurons and is associated with active neuronal transcription. Recently, we reported a genome-wide disruption of hippocampal 5hmC in male mice following acute stress that was correlated to altered transcript levels of genes in known stress related pathways. Since sex-specific endocrine mechanisms respond to environmental stimulus by altering the neuronal epigenome, we examined the genome-wide profile of hippocampal 5hmC in female mice following exposure to acute stress and identified 363 differentially hydroxymethylated regions (DhMRs) linked to known (e.g., Nr3c1 and Ntrk2) and potentially novel genes associated with stress response and psychiatric disorders. Integration of hippocampal expression data from the same female mice found stress-related hydroxymethylation correlated to altered transcript levels. Finally, characterization of stress-induced sex-specific 5hmC profiles in the hippocampus revealed 778 sex-specific acute stress-induced DhMRs some of which were correlated to altered transcript levels that produce sex-specific isoforms in response to stress. Together, the alterations in 5hmC presented here provide a possible molecular mechanism for the adaptive sex-specific response to stress that may augment the design of novel therapeutic agents that will have optimal effectiveness in each sex.
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Affiliation(s)
- Ligia A Papale
- Department of Psychiatry, University of Wisconsin, Madison, WI, USA
| | - Sisi Li
- Department of Psychiatry, University of Wisconsin, Madison, WI, USA; Neuroscience Training Program, University of Wisconsin, Madison, WI, USA
| | - Andy Madrid
- Department of Psychiatry, University of Wisconsin, Madison, WI, USA; Neuroscience Training Program, University of Wisconsin, Madison, WI, USA
| | - Qi Zhang
- Department of Statistics, University of Nebraska, Lincoln, NE, USA
| | - Li Chen
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - Pankaj Chopra
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - Peng Jin
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - Sündüz Keleş
- Department of Statistics, Biostatistics, and Medical Informatics, University of Wisconsin, Madison, WI, USA
| | - Reid S Alisch
- Department of Psychiatry, University of Wisconsin, Madison, WI, USA.
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