Developmental Genome-Wide DNA Methylation Asymmetry Between Mouse Placenta and Embryo
| Autor: | Lisa-Marie Legault, Karine Doiron, Donovan Chan, Anthony Lemieux, Flavia L. Lopes, Daniel Sinnett, Maxime Caron, Serge McGraw, Guillaume Bourque |
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| Přispěvatelé: | Research Center of the CHU Sainte-Justine, Université De Montréal, Research Institute of the McGill University Health Centre, Universidade Estadual Paulista (Unesp), McGill University, McGill University and Genome Quebec Innovation Centre, Canadian Center for Computational Genomics |
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Male
0301 basic medicine Cancer Research Methyltransferase placenta Placenta DNMT3B embryo Biology Epigenome Mice 03 medical and health sciences 0302 clinical medicine Pregnancy Animals Conceptus DNA (Cytosine-5-)-Methyltransferases Molecular Biology 030304 developmental biology 0303 health sciences DNA methylation 030302 biochemistry & molecular biology Gene Expression Regulation Developmental Embryo Methylation DNA Methylation Embryo Mammalian early development 3. Good health Cell biology Mice Inbred C57BL 030104 developmental biology Differentially methylated regions Epiblast 030220 oncology & carcinogenesis embryonic structures Female Research Paper |
| Zdroj: | Scopus Repositório Institucional da UNESP Universidade Estadual Paulista (UNESP) instacron:UNESP Epigenetics |
| DOI: | 10.1101/718247 |
| Popis: | Made available in DSpace on 2020-12-12T01:15:07Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-08-02 In early embryos, DNA methylation is remodelled to initiate the developmental program but for mostly unknown reasons, methylation marks are acquired unequally between embryonic and placental cells. To better understand this, we generated high-resolution DNA methylation maps of mouse mid-gestation (E10.5) embryo and placenta. We uncovered specific subtypes of differentially methylated regions (DMRs) that contribute directly to the developmental asymmetry existing between mid-gestation embryonic and placental DNA methylation patterns. We show that the asymmetry occurs rapidly during the acquisition of marks in the post-implanted conceptus (E3.5-E6.5), and that these patterns are long-lasting across subtypes of DMRs throughout prenatal development and in somatic tissues. We reveal that at the peri–implantation stages, the de novo methyltransferase activity of DNMT3B is the main driver of methylation marks on asymmetric DMRs, and that DNMT3B can largely compensate for lack of DNMT3A in the epiblast and extraembryonic ectoderm, whereas DNMT3A can only partially compensate in the absence of DNMT3B. However, as development progresses and as DNMT3A becomes the principal de novo methyltransferase, the compensatory DNA methylation mechanism of DNMT3B on DMRs becomes less effective. Research Center of the CHU Sainte-Justine Department of Biochemistry and Molecular Medicine Université De Montréal Research Institute of the McGill University Health Centre School of Veterinary Medicine São Paulo State University (Unesp) Department of Human Genetics McGill University McGill University and Genome Quebec Innovation Centre Canadian Center for Computational Genomics Department of Pediatrics Université De Montréal Department of Obstetrics and Gynecology Université De Montréal School of Veterinary Medicine São Paulo State University (Unesp) |
| Databáze: | OpenAIRE |
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