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Sulyok E, Farkas B, Bodis J. Pathomechanisms of Prenatally Programmed Adult Diseases. Antioxidants (Basel) 2023; 12:1354. [PMID: 37507894 PMCID: PMC10376205 DOI: 10.3390/antiox12071354] [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: 05/26/2023] [Revised: 06/22/2023] [Accepted: 06/25/2023] [Indexed: 07/30/2023] Open
Abstract
Based on epidemiological observations Barker et al. put forward the hypothesis/concept that an adverse intrauterine environment (involving an insufficient nutrient supply, chronic hypoxia, stress, and toxic substances) is an important risk factor for the development of chronic diseases later in life. The fetus responds to the unfavorable environment with adaptive reactions, which ensure survival in the short run, but at the expense of initiating pathological processes leading to adult diseases. In this review, the major mechanisms (including telomere dysfunction, epigenetic modifications, and cardiovascular-renal-endocrine-metabolic reactions) will be outlined, with a particular emphasis on the role of oxidative stress in the fetal origin of adult diseases.
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Affiliation(s)
- Endre Sulyok
- National Laboratory on Human Reproduction, University of Pécs, 7624 Pécs, Hungary
- Faculty of Health Sciences, Doctoral School of Health Sciences, University of Pécs, 7624 Pécs, Hungary
- MTA-PTE Human Reproduction Scientific Research Group, 7624 Pécs, Hungary
| | - Balint Farkas
- National Laboratory on Human Reproduction, University of Pécs, 7624 Pécs, Hungary
- MTA-PTE Human Reproduction Scientific Research Group, 7624 Pécs, Hungary
- Department of Obstetrics and Gynecology, School of Medicine, University of Pécs, 7624 Pécs, Hungary
| | - Jozsef Bodis
- National Laboratory on Human Reproduction, University of Pécs, 7624 Pécs, Hungary
- Faculty of Health Sciences, Doctoral School of Health Sciences, University of Pécs, 7624 Pécs, Hungary
- MTA-PTE Human Reproduction Scientific Research Group, 7624 Pécs, Hungary
- Department of Obstetrics and Gynecology, School of Medicine, University of Pécs, 7624 Pécs, Hungary
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Lismer A, Kimmins S. Emerging evidence that the mammalian sperm epigenome serves as a template for embryo development. Nat Commun 2023; 14:2142. [PMID: 37059740 PMCID: PMC10104880 DOI: 10.1038/s41467-023-37820-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 03/31/2023] [Indexed: 04/16/2023] Open
Abstract
Although more studies are demonstrating that a father's environment can influence child health and disease, the molecular mechanisms underlying non-genetic inheritance remain unclear. It was previously thought that sperm exclusively contributed its genome to the egg. More recently, association studies have shown that various environmental exposures including poor diet, toxicants, and stress, perturbed epigenetic marks in sperm at important reproductive and developmental loci that were associated with offspring phenotypes. The molecular and cellular routes that underlie how epigenetic marks are transmitted at fertilization, to resist epigenetic reprogramming in the embryo, and drive phenotypic changes are only now beginning to be unraveled. Here, we provide an overview of the state of the field of intergenerational paternal epigenetic inheritance in mammals and present new insights into the relationship between embryo development and the three pillars of epigenetic inheritance: chromatin, DNA methylation, and non-coding RNAs. We evaluate compelling evidence of sperm-mediated transmission and retention of paternal epigenetic marks in the embryo. Using landmark examples, we discuss how sperm-inherited regions may escape reprogramming to impact development via mechanisms that implicate transcription factors, chromatin organization, and transposable elements. Finally, we link paternally transmitted epigenetic marks to functional changes in the pre- and post-implantation embryo. Understanding how sperm-inherited epigenetic factors influence embryo development will permit a greater understanding related to the developmental origins of health and disease.
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Affiliation(s)
- Ariane Lismer
- Department of Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, QC, H3G 1Y6, Canada
| | - Sarah Kimmins
- Department of Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, QC, H3G 1Y6, Canada.
- Department of Pathology and Cell Biology, Faculty of Medicine, University of Montreal Hospital Research Centre, Montreal, QC, H2X 0A9, Canada.
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Xie L, Miao X, Luo Q, Zhao H, Qin X. Impact of FecB Mutation on Ovarian DNA Methylome in Small-Tail Han Sheep. Genes (Basel) 2023; 14:203. [PMID: 36672944 PMCID: PMC9859159 DOI: 10.3390/genes14010203] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/31/2022] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Booroola fecundity (FecB) gene, a mutant of bone morphogenetic protein 1B (BMPR-1B) that was discovered in Booroola Merino, was the first prolificacy gene identified in sheep related to increased ovulation rate and litter size. The mechanism of FecB impact on reproduction is unclear. METHODS In this study, adult Han ewes with homozygous FecB(B)/FecB(B) mutations (Han BB group) and ewes with FecB(+)/FecB(+) wildtype (Han ++ group) were selected. Methylated DNA immunoprecipitation and high-throughput sequencing (MeDIP-seq) was used to identify differences in methylated genes in ovary tissue. RESULTS We examined differences in DNA methylation patterns between HanBB and Han ++ sheep. In both sheep, methylated reads were mainly distributed at the gene body regions, CpG islands and introns. The differentially methylated genes were enriched in neurotrophy in signaling pathway, Gonadotropin Releasing Hormone (GnRH) signaling pathway, Wnt signaling pathway, oocyte meiosis, vascular endothelial growth factor (VEGF) signaling pathway, etc. Differentially-methylated genes were co-analyzed with differentially-expressed mRNAs. Several genes which could be associated with female reproduction were identified, such as FOXP3 (forkhead box P3), TMEFF2 (Transmembrane Protein with EGF Like and Two Follistatin Like Domains 2) and ADAT2 (Adenosine Deaminase TRNA Specific 2). CONCLUSIONS We constructed a MeDIP-seq based methylomic study to investigate the ovarian DNA methylation differences between Small-Tail Han sheep with homozygous FecB mutant and wildtype, and successfully identified FecB gene-associated differentially-methylated genes. This study has provided information with which to understand the mechanisms of FecB gene-induced hyperprolificacy in sheep.
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Affiliation(s)
| | - Xiangyang Miao
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
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Hou GM, Zhang YH, Zhang JX. Inheritance of social dominance is associated with global sperm DNA methylation in inbred male mice. Curr Zool 2022; 69:143-155. [PMID: 37092005 PMCID: PMC10120999 DOI: 10.1093/cz/zoac030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 04/15/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
Dominance relationships between males and their associated traits are usually heritable and have implications for sexual selection in animals. In particular, social dominance and its related male pheromones are heritable in inbred mice; thus, we wondered whether epigenetic changes due to altered levels of DNA methylation determine inheritance. Here, we used C57BL/6 male mice to establish a social dominance–subordination relationship through chronic dyadic encounters, and this relationship and pheromone covariation occurred in their offspring, indicative of heritability. Through transcriptome sequencing and whole-genome DNA methylation profiling of the sperm of both generations, we found that differential methylation of many genes was induced by social dominance–subordination in sires and could be passed on to the offspring. These methylated genes were mainly related to growth and development processes, neurodevelopment and cellular transportation. The expression of the genes with similar functions in WGBS was also differentiated by social dominance–subordination, as revealed by RNA-seq. In particular, the gene Dennd1a, which regulates neural signalling, was differentially methylated and expressed in the sperm and medial prefrontal cortex (mPFC) in paired males before and after dominance–subordination establishment, suggesting the potential epigenetic control and inheritance of social dominance-related aggression. We suggest that social dominance might be passed on to male offspring through sperm DNA methylation and that the differences could potentially affect male competition in offspring by affecting the development of the nervous system.
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Affiliation(s)
- Guan-Mei Hou
- The State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
- CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, 100101, China
| | - Yao-Hua Zhang
- The State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Jian-Xu Zhang
- The State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
- CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, 100101, China
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Liu J, Heraud C, Véron V, Laithier J, Burel C, Prézelin A, Panserat S, Marandel L. Hepatic Global DNA Hypomethylation Phenotype in Rainbow Trout Fed Diets Varying in Carbohydrate to Protein Ratio. J Nutr 2022; 152:29-39. [PMID: 34550380 DOI: 10.1093/jn/nxab343] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 08/30/2021] [Accepted: 09/17/2021] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND A high carbohydrate-low protein diet can induce hepatic global DNA hypomethylation in trout. The mechanisms remain unclear. OBJECTIVES We aimed to investigate whether an increase in dietary carbohydrates (dHCs) or a decrease in dietary proteins (dLPs) can cause hepatic global DNA hypomethylation, as well as explore the underlying mechanisms in trout. METHODS Two feeding trials were conducted on juvenile males, both of which involved a 4-d fasting and 4-d refeeding protocol. In trial 1, trout were fed either a high protein-no carbohydrate [HP-NC, protein 60% dry matter (DM), carbohydrates 0% DM] or a moderate protein-high carbohydrate (MP-HC, protein 40% DM, carbohydrates 30% DM) diet. In trial 2, fish were fed either a moderate protein-no carbohydrate (MP-NC, protein 40% DM, carbohydrates 0% DM), an MP-HC (protein 40% DM, carbohydrates 30% DM), or a low protein-no carbohydrate (LP-NC, protein 20% DM, carbohydrates 0% DM) diet to separate the effects of dHCs and dLPs on the hepatic methylome. Global CmCGG methylation, DNA demethylation derivative concentrations, and mRNA expression of DNA (de)methylation-related genes were measured. Differences were tested by 1-factor ANOVA when data were normally distributed or by Kruskal-Wallis nonparametric test if not. RESULTS In both trials, global CmCGG methylation concentrations remained unaffected, but the hepatic 5-mdC content decreased after refeeding (1-3%). The MP-HC group had 3.4-fold higher hepatic 5-hmdC and a similar 5-mdC concentration compared with the HP-NC group in trial 1. Both MP-HC and LP-NC diets lowered the hepatic 5-mdC content (1-2%), but only the LP-NC group had a significantly lower 5-hmdC concentration (P < 0.01) compared with MP-NC group in trial 2. CONCLUSIONS dHC and dLP independently induced hepatic global DNA demethylation in trout. The alterations in other methylation derivative concentrations indicated the demethylation process was achieved through an active demethylation pathway and probably occurred at non-CmCGG sites.
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Affiliation(s)
- Jingwei Liu
- INRAE, Univ Pau & Pays de l'Adour, E2S UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, Saint-Pée-sur-Nivelle, France
| | - Cécile Heraud
- INRAE, Univ Pau & Pays de l'Adour, E2S UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, Saint-Pée-sur-Nivelle, France
| | - Vincent Véron
- INRAE, Univ Pau & Pays de l'Adour, E2S UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, Saint-Pée-sur-Nivelle, France
| | - Jésabel Laithier
- INRAE, Univ Pau & Pays de l'Adour, E2S UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, Saint-Pée-sur-Nivelle, France
| | - Christine Burel
- INRAE, Univ Pau & Pays de l'Adour, E2S UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, Saint-Pée-sur-Nivelle, France
| | - Audrey Prézelin
- Université Paris Saclay, UVSQ, INRAE, BREED, Jouy en Josas, France.,Ecole Nationale Vétérinaire d'Alfort, BREED, Maisons-Alfort, France
| | - Stéphane Panserat
- INRAE, Univ Pau & Pays de l'Adour, E2S UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, Saint-Pée-sur-Nivelle, France
| | - Lucie Marandel
- INRAE, Univ Pau & Pays de l'Adour, E2S UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, Saint-Pée-sur-Nivelle, France
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Dean W. Pathways of DNA Demethylation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1389:211-238. [DOI: 10.1007/978-3-031-11454-0_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Deshpande SSS, Nemani H, Balasinor NH. High fat diet-induced- and genetically inherited- obesity differential alters DNA demethylation pathways in the germline of adult male rats. Reprod Biol 2021; 21:100532. [PMID: 34246869 DOI: 10.1016/j.repbio.2021.100532] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 06/11/2021] [Accepted: 06/29/2021] [Indexed: 11/17/2022]
Abstract
Obesity is a multifactorial condition with predominantly genetic and environmental causes and is an emerging risk factor for male infertility/subfertility. Epigenetic mechanisms are vulnerable to genetic and environmental changes. Our earlier studies have shown differential effects of genetically inherited (GIO) - and diet-induced- obesity (DIO) on DNA methylation in male germline. Contrary to DNA methylation is DNA demethylation, which also regulates the gene expression by activating transcription. The present study aimed to delineate the effects of obesity on the DNA demethylation pathway using two rat models: GIO (WNIN/Ob) and DIO (high-fat diet). We observed differential alterations in enzymes involved in DNA demethylation by oxidation (Tet1-3) pathway in testis in both groups. An increase in Tets in DIO group and a decrease in GIO group were noted. Analysis of oxidation pathway intermediates (5-hmC, 5-fC, and 5-caC) did not show any effect on testis in DIO group but an increase in 5-hmC and decrease in 5-caC levels in GIO group was observed. Analysis of transcript levels of enzymes related to deamination pathway in testis showed an increase (Gadd45a, Aicda, and Tdg) in DIO group and a decrease (Gadd45a, Aicda, and Tdg) in GIO group. Also, 5-hmC levels were differentially altered in the spermatozoa of both groups without any changes in Tet enzyme levels. These findings highlight differences in effects of GIO and DIO on DNA demethylation mechanisms in male germline, which could be due to differences in endocrine and metabolic profile as well as white fat distribution observed earlier in two groups.
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Affiliation(s)
- Sharvari S S Deshpande
- Department of Neuroendocrinology, ICMR-National Institute for Research in Reproductive Health, Jehangir Merwanji Street, Parel, Mumbai, 400012, India
| | - Harishankar Nemani
- National Institute of Nutrition Animal Facility, ICMR-National Institute of Nutrition, Jamai-Osmania PO, Hyderabad, 500 007, India
| | - Nafisa H Balasinor
- Department of Neuroendocrinology, ICMR-National Institute for Research in Reproductive Health, Jehangir Merwanji Street, Parel, Mumbai, 400012, India.
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Epigenetics: A Missing Link Between Early Life Stress and Depression. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021. [PMID: 33834398 DOI: 10.1007/978-981-33-6044-0_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Exposure to early life stress (ELS) represents a major risk factor for the development of psychiatric disorders, including depression. The susceptibility associated with ELS may result from persistent changes in gene transcription, which can occur through epigenetic mechanisms, such as DNA methylation, histone modifications, and microRNA expression. Animal models and reports in humans described that negative stimuli can alter the neurodevelopment of an individual, affecting their behavior and cognitive development. It is currently hypothesized that levels of environmental adversity in this early developmental period are able to shape the experience-dependent maturation of stress-regulating pathways leading to long-lasting alterations in stress responsivity during adulthood. Here, we review key findings from animal and clinical studies examining the effects of prenatal and postnatal environment in shaping development of the neuroendocrine regulation of stress and the role of epigenetic mechanisms in the predisposition of depression.
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9
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Kohlrausch FB, Berteli TS, Wang F, Navarro PA, Keefe DL. Control of LINE-1 Expression Maintains Genome Integrity in Germline and Early Embryo Development. Reprod Sci 2021; 29:328-340. [PMID: 33481218 DOI: 10.1007/s43032-021-00461-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 01/06/2021] [Indexed: 11/28/2022]
Abstract
Maintenance of genome integrity in the germline and in preimplantation embryos is crucial for mammalian development. Epigenetic remodeling during primordial germ cell (PGC) and preimplantation embryo development may contribute to genomic instability in these cells, since DNA methylation is an important mechanism to silence retrotransposons. Long interspersed elements 1 (LINE-1 or L1) are the most common autonomous retrotransposons in mammals, corresponding to approximately 17% of the human genome. Retrotransposition events are more frequent in germ cells and in early stages of embryo development compared with somatic cells. It has been shown that L1 activation and expression occurs in germline and is essential for preimplantation development. In this review, we focus on the role of L1 retrotransposon in mouse and human germline and early embryo development and discuss the possible relationship between L1 expression and genomic instability during these stages. Although several studies have addressed L1 expression at different stages of development, the developmental consequences of this expression remain poorly understood. Future research is still needed to highlight the relationship between L1 retrotransposition events and genomic instability during germline and early embryo development.
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Affiliation(s)
- Fabiana B Kohlrausch
- Department of Obstetrics and Gynecology, New York University Langone Medical Center, 462 1st Avenue, New York, NY, 10016, USA.,Departamento de Biologia Geral, Instituto de Biologia, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | - Thalita S Berteli
- Department of Obstetrics and Gynecology, New York University Langone Medical Center, 462 1st Avenue, New York, NY, 10016, USA.,Departamento de Ginecologia e Obstetrícia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Fang Wang
- Department of Obstetrics and Gynecology, New York University Langone Medical Center, 462 1st Avenue, New York, NY, 10016, USA
| | - Paula A Navarro
- Departamento de Ginecologia e Obstetrícia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - David L Keefe
- Department of Obstetrics and Gynecology, New York University Langone Medical Center, 462 1st Avenue, New York, NY, 10016, USA.
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Liu J, Hu H, Panserat S, Marandel L. Evolutionary history of DNA methylation related genes in chordates: new insights from multiple whole genome duplications. Sci Rep 2020; 10:970. [PMID: 31969623 PMCID: PMC6976628 DOI: 10.1038/s41598-020-57753-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 12/20/2019] [Indexed: 01/11/2023] Open
Abstract
DNA methylation is an important epigenetic mechanism involved in many biological processes, i.e. gametogenesis and embryonic development. However, increased copy numbers of DNA methylation related genes (dnmt, tet and tdg) have been found during chordate evolution due to successive whole genome duplication (WGD) events. Their evolutionary history and phylogenetic relationships remain unclear. The present study is the first to clarify the evolutionary history of DNA methylation genes in chordates. In particular, our results highlight the fixation of several dnmt3-related genes following successive WGD throughout evolution. The rainbow trout genome offered a unique opportunity to study the early evolutionary fates of duplicated genes due to a recent round of WGD at the radiation of salmonids. Differences highlighted in transcriptional patterns of these genes during gametogenesis and ontogenesis in trout indicated that they might be subjected to sub- or neo-functionalisation after WDG. The fixation of multiple dnmt3 genes in genomes after WGD could contribute to the diversification and plastic adaptation of the teleost.
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Affiliation(s)
- Jingwei Liu
- INRAE, Univ Pau & Pays de l'Adour, E2S-UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, F-64310, Saint-Pée-sur-Nivelle, France
| | - Huihua Hu
- INRAE, Univ Pau & Pays de l'Adour, E2S-UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, F-64310, Saint-Pée-sur-Nivelle, France.,State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Stéphane Panserat
- INRAE, Univ Pau & Pays de l'Adour, E2S-UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, F-64310, Saint-Pée-sur-Nivelle, France
| | - Lucie Marandel
- INRAE, Univ Pau & Pays de l'Adour, E2S-UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, F-64310, Saint-Pée-sur-Nivelle, France.
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Hemberger M, Hanna CW, Dean W. Mechanisms of early placental development in mouse and humans. Nat Rev Genet 2019; 21:27-43. [PMID: 31534202 DOI: 10.1038/s41576-019-0169-4] [Citation(s) in RCA: 229] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/09/2019] [Indexed: 02/08/2023]
Abstract
The importance of the placenta in supporting mammalian development has long been recognized, but our knowledge of the molecular, genetic and epigenetic requirements that underpin normal placentation has remained remarkably under-appreciated. Both the in vivo mouse model and in vitro-derived murine trophoblast stem cells have been invaluable research tools for gaining insights into these aspects of placental development and function, with recent studies starting to reshape our view of how a unique epigenetic environment contributes to trophoblast differentiation and placenta formation. These advances, together with recent successes in deriving human trophoblast stem cells, open up new and exciting prospects in basic and clinical settings that will help deepen our understanding of placental development and associated disorders of pregnancy.
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Affiliation(s)
- Myriam Hemberger
- Department of Biochemistry & Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Canada. .,Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada. .,Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Canada. .,Epigenetics Programme, The Babraham Institute, Babraham Research Campus, Cambridge, UK. .,Centre for Trophoblast Research, University of Cambridge, Cambridge, UK.
| | - Courtney W Hanna
- Epigenetics Programme, The Babraham Institute, Babraham Research Campus, Cambridge, UK.,Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
| | - Wendy Dean
- Department of Biochemistry & Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Canada. .,Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada. .,Epigenetics Programme, The Babraham Institute, Babraham Research Campus, Cambridge, UK. .,Department of Cell Biology and Anatomy, Cumming School of Medicine, University of Calgary, Calgary, Canada.
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12
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Watanabe K, Yamamoto M, Xin B, Ooshio T, Goto M, Fujii K, Liu Y, Okada Y, Furukawa H, Nishikawa Y. Emergence of the Dedifferentiated Phenotype in Hepatocyte-Derived Tumors in Mice: Roles of Oncogene-Induced Epigenetic Alterations. Hepatol Commun 2019; 3:697-715. [PMID: 31061957 PMCID: PMC6492474 DOI: 10.1002/hep4.1327] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 02/04/2019] [Indexed: 01/07/2023] Open
Abstract
Hepatocellular carcinoma often reactivates the genes that are transiently expressed in fetal or neonatal livers. However, the mechanism of their activation has not been elucidated. To explore how oncogenic signaling pathways could be involved in the process, we examined the expression of fetal/neonatal genes in liver tumors induced by the introduction of myristoylated v‐akt murine thymoma viral oncogene (AKT), HRas proto‐oncogene, guanosine triphosphatase (HRASV12), and MYC proto‐oncogene, bHLH transcription factor (Myc), in various combinations, into mouse hepatocytes in vivo. Distinct sets of fetal/neonatal genes were activated in HRAS‐ and HRAS/Myc‐induced tumors: aldo‐keto reductase family 1, member C18 (Akr1c18), glypican 3 (Gpc3), carboxypeptidase E (Cpe), adenosine triphosphate‐binding cassette, subfamily D, member 2 (Abcd2), and trefoil factor 3 (Tff3) in the former; insulin‐like growth factor 2 messenger RNA binding protein 3 (Igf2bp3), alpha fetoprotein (Afp), Igf2, and H19, imprinted maternally expressed transcript (H19) in the latter. Interestingly, HRAS/Myc‐induced tumors comprised small cells with a high nuclear/cytoplasmic ratio and messenger RNA (mRNA) expression of delta‐like noncanonical Notch ligand 1 (Dlk1), Nanog homeobox (Nanog), and sex determining region Y‐box 2 (Sox2). Both HRAS‐ and HRAS/Myc‐induced tumors showed decreased DNA methylation levels of Line1 and Igf2 differentially methylated region 1 and increased nuclear accumulation of 5‐hydroxymethylcytosine, suggesting a state of global DNA hypomethylation. HRAS/Myc‐induced tumors were characterized by an increase in the mRNA expression of enzymes involved in DNA methylation (DNA methyltransferase [Dnmt1, Dnmt3]) and demethylation (ten‐eleven‐translocation methylcytosine dioxygenase 1 [Tet1]), sharing similarities with the fetal liver. Although mouse hepatocytes could be transformed by the introduction of HRAS/Myc in vitro, they did not express fetal/neonatal genes and sustained global DNA methylation, suggesting that the epigenetic alterations were influenced by the in vivo microenvironment. Immunohistochemical analyses demonstrated that human hepatocellular carcinoma cases with nuclear MYC expression were more frequently positive for AFP, IGF2, and DLK1 compared with MYC‐negative tumors. Conclusion: The HRAS signaling pathway and its interactions with the Myc pathway appear to reactivate fetal/neonatal gene expression in hepatocytic tumors partly through epigenetic alterations, which are dependent on the tumor microenvironment.
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Affiliation(s)
- Kenji Watanabe
- Division of Tumor Pathology, Department of Pathology Asahikawa Medical University Asahikawa Japan.,Division of Gastroenterological and General Surgery, Department of Surgery Asahikawa Medical University Asahikawa Japan
| | - Masahiro Yamamoto
- Division of Tumor Pathology, Department of Pathology Asahikawa Medical University Asahikawa Japan
| | - Bing Xin
- Division of Tumor Pathology, Department of Pathology Asahikawa Medical University Asahikawa Japan
| | - Takako Ooshio
- Division of Tumor Pathology, Department of Pathology Asahikawa Medical University Asahikawa Japan
| | - Masanori Goto
- Division of Tumor Pathology, Department of Pathology Asahikawa Medical University Asahikawa Japan
| | - Kiyonaga Fujii
- Division of Tumor Pathology, Department of Pathology Asahikawa Medical University Asahikawa Japan
| | - Yang Liu
- Division of Tumor Pathology, Department of Pathology Asahikawa Medical University Asahikawa Japan
| | - Yoko Okada
- Division of Tumor Pathology, Department of Pathology Asahikawa Medical University Asahikawa Japan
| | - Hiroyuki Furukawa
- Division of Gastroenterological and General Surgery, Department of Surgery Asahikawa Medical University Asahikawa Japan
| | - Yuji Nishikawa
- Division of Tumor Pathology, Department of Pathology Asahikawa Medical University Asahikawa Japan
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Cramer T, Rosenberg T, Kisliouk T, Meiri N. PARP Inhibitor Affects Long-term Heat-stress Response via Changes in DNA Methylation. Neuroscience 2018; 399:65-76. [PMID: 30579833 DOI: 10.1016/j.neuroscience.2018.12.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Revised: 12/12/2018] [Accepted: 12/13/2018] [Indexed: 02/07/2023]
Abstract
Resilience to stress can be obtained by adjusting the stress-response set point during postnatal sensory development. Recent studies have implemented epigenetic mechanisms to play leading roles in improving resilience. We previously found that better resilience to heat stress in chicks can be achieved by conditioning them to moderate heat stress during their critical developmental period of thermal control establishment, 3 days posthatch. Furthermore, the expression level of corticotropin-releasing hormone (CRH) was found to play a direct role in determining future resilience or vulnerability to heat stress by alterations in its DNA-methylation and demethylation pattern. Here we demonstrate how intraperitoneal injection of poly (ADP-ribose) polymerase (PARP) inhibitor (PARPi) influences the DNA methylation pattern, thereby affecting the long-term heat-stress response. Single PARPi administration, induced a reduction in both 5-methylcytosine (5mC) and 5-hydroxymethylcytosine (5hmC), without affecting body temperature. The accumulated effect of three PARPi doses brought about a long-term decrease in 5mC% and 5hmC%. These changes coincided with a reduction in body temperature in non-conditioned chicks, similar to that occurring in moderately conditioned heat-stress-resilient chicks. The observed changes in DNA methylation can be explained by decreased activity of the enzyme DNA methyltransferase as a result of the PARPi injection. Furthermore, evaluation of the DNA-methylation pattern along the CRH intron showed a reduction in 5mC% as a result of PARPi treatment, alongside a reduction in CRH mRNA expression. Thus, PARPi treatment can affect DNA methylation, which can alter hypothalamic-pituitary-adrenal (HPA) axis anchors such as CRH, thereby potentially enhancing long-term resilience to heat stress.
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Affiliation(s)
- Tomer Cramer
- Agricultural Research Organization, Volcani Center, Department of Poultry and Aquaculture Science, Rishon LeZiyyon 7528809, Israel; The Robert H. Smith Faculty of Agriculture, Food and Environment, Department of Animal Science, The Hebrew University of Jerusalem, Rehovot 76100, Israel
| | - Tali Rosenberg
- Agricultural Research Organization, Volcani Center, Department of Poultry and Aquaculture Science, Rishon LeZiyyon 7528809, Israel; The Robert H. Smith Faculty of Agriculture, Food and Environment, Department of Animal Science, The Hebrew University of Jerusalem, Rehovot 76100, Israel
| | - Tatiana Kisliouk
- Agricultural Research Organization, Volcani Center, Department of Poultry and Aquaculture Science, Rishon LeZiyyon 7528809, Israel
| | - Noam Meiri
- Agricultural Research Organization, Volcani Center, Department of Poultry and Aquaculture Science, Rishon LeZiyyon 7528809, Israel.
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14
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Silva WTAF. Methylation dynamics during the maternal-to-zygotic genome transition in dioecious species. PLoS One 2018; 13:e0200028. [PMID: 29990374 PMCID: PMC6039002 DOI: 10.1371/journal.pone.0200028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 06/17/2018] [Indexed: 11/18/2022] Open
Abstract
The starting point of a new generation in sexually reproducing species is fertilization. In many species, fertilization is followed by cell divisions controlled primarily by maternal transcripts, with little to no zygotic transcription. The activation of the zygotic genome (ZGA) is part of a process called maternal-to-zygotic transition (MZT), during which transcripts from the zygotic genome take control of development, setting the conditions for cellular specialization. While we know that epigenetic processes (e.g. methylation) are involved in the MZT, their roles and interplay in the transition are largely unknown. I developed a model and used simulations to elucidate the interaction between possible epigenetic processes, namely methylation processes, involved in the MZT. The model focuses on the dynamics of global methylation levels and how these interact with factors such as a parental repressor and the nucleocytoplasmic ratio to trigger the ZGA, followed by development from fertilization to adulthood. In addition, I included transgenerational effects transmitted to the zygote from both parents through their gametes to show that these may set the stage for plastic developmental processes. I demonstrate that the rates of maintenance methylation and demethylation, which are important for the achievement of the final methylation levels of an individual, exhibit a certain level of flexibility in terms of parameter values. I find that high final methylation levels require more restricted combinations of parameter values. The model is discussed in the context of the current empirical knowledge and provide suggestions for directions of future empirical and theoretical studies.
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Affiliation(s)
- Willian T. A. F. Silva
- Department of Evolutionary Biology, Uppsala University, Norbyvägen 18D, 753 10 Uppsala, Sweden
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15
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Efimova OA, Pendina AA, Tikhonov AV, Baranov VS. The Evolution of Ideas on the Biological Role of 5-methylcytosine Oxidative Derivatives in the Mammalian Genome. ACTA ACUST UNITED AC 2018. [DOI: 10.1134/s2079059718010069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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von Hippel FA, Miller PK, Carpenter DO, Dillon D, Smayda L, Katsiadaki I, Titus TA, Batzel P, Postlethwait JH, Buck CL. Endocrine disruption and differential gene expression in sentinel fish on St. Lawrence Island, Alaska: Health implications for indigenous residents. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 234:279-287. [PMID: 29182972 PMCID: PMC5809177 DOI: 10.1016/j.envpol.2017.11.054] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 11/13/2017] [Accepted: 11/14/2017] [Indexed: 05/28/2023]
Abstract
People living a subsistence lifestyle in the Arctic are highly exposed to persistent organic pollutants, including polychlorinated biphenyls (PCBs). Formerly Used Defense (FUD) sites are point sources of PCB pollution; the Arctic contains thousands of FUD sites, many co-located with indigenous villages. We investigated PCB profiles and biological effects in freshwater fish (Alaska blackfish [Dallia pectoralis] and ninespine stickleback [Pungitius pungitius]) living upstream and downstream of the Northeast Cape FUD site on St. Lawrence Island in the Bering Sea. Despite extensive site remediation, fish remained contaminated with PCBs. Vitellogenin concentrations in males indicated exposure to estrogenic contaminants, and some fish were hypothyroid. Downstream fish showed altered DNA methylation in gonads and altered gene expression related to DNA replication, response to DNA damage, and cell signaling. This study demonstrates that, even after site remediation, contaminants from Cold War FUD sites in remote regions of the Arctic remain a potential health threat to local residents - in this case, Yupik people who had no influence over site selection and use by the United States military.
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Affiliation(s)
- Frank A von Hippel
- Department of Biological Sciences & Center for Bioengineering Innovation, Northern Arizona University, 617 S. Beaver St., PO Box 5640, Flagstaff, AZ 86011, USA.
| | - Pamela K Miller
- Alaska Community Action on Toxics, 505 W. Northern Lights Blvd., Suite 205, Anchorage, AK 99503, USA
| | - David O Carpenter
- Institute for Health and the Environment, University at Albany, 5 University Place, Room A217, Rensselaer, NY 12144, USA
| | - Danielle Dillon
- Department of Biological Sciences & Center for Bioengineering Innovation, Northern Arizona University, 617 S. Beaver St., PO Box 5640, Flagstaff, AZ 86011, USA
| | - Lauren Smayda
- Alaska Native Tribal Health Consortium, 4000 Ambassador Dr., Anchorage, AK 99508, USA
| | - Ioanna Katsiadaki
- Centre for Environment, Fisheries and Aquaculture Sciences (Cefas), The Nothe, Barrack Road, Weymouth, Dorset DT4 8UB, UK
| | - Tom A Titus
- Institute of Neuroscience, University of Oregon, 1254 University of Oregon, 222 Huestis Hall, Eugene, OR 97403, USA
| | - Peter Batzel
- Institute of Neuroscience, University of Oregon, 1254 University of Oregon, 222 Huestis Hall, Eugene, OR 97403, USA
| | - John H Postlethwait
- Institute of Neuroscience, University of Oregon, 1254 University of Oregon, 222 Huestis Hall, Eugene, OR 97403, USA
| | - C Loren Buck
- Department of Biological Sciences & Center for Bioengineering Innovation, Northern Arizona University, 617 S. Beaver St., PO Box 5640, Flagstaff, AZ 86011, USA
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17
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Che D, Wang Y, Bai W, Li L, Liu G, Zhang L, Zuo Y, Tao S, Hua J, Liao M. Dynamic and modular gene regulatory networks drive the development of gametogenesis. Brief Bioinform 2017; 18:712-721. [PMID: 27373733 DOI: 10.1093/bib/bbw056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Indexed: 12/12/2022] Open
Abstract
Gametogenesis is a complex process, which includes mitosis and meiosis and results in the production of ovum and sperm. The development of gametogenesis is dynamic and needs many different genes to work synergistically, but it is lack of global perspective research about this process. In this study, we detected the dynamic process of gametogenesis from the perspective of systems biology based on protein-protein interaction networks (PPINs) and functional analysis. Results showed that gametogenesis genes have strong synergistic effects in PPINs within and between different phases during the development. Addition to the synergistic effects on molecular networks, gametogenesis genes showed functional consistency within and between different phases, which provides the further evidence about the dynamic process during the development of gametogenesis. At last, we detected and provided the core molecular modules of different phases about gametogenesis. The gametogenesis genes and related modules can be obtained from our Web site Gametogenesis Molecule Online (GMO, http://gametsonline.nwsuaflmz.com/index.php), which is freely accessible. GMO may be helpful for the reference and application of these genes and modules in the future identification of key genes about gametogenesis. Summary, this work provided a computational perspective and frame to the analysis of the gametogenesis dynamics and modularity in both human and mouse.
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18
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Armas-López L, Zúñiga J, Arrieta O, Ávila-Moreno F. The Hedgehog-GLI pathway in embryonic development and cancer: implications for pulmonary oncology therapy. Oncotarget 2017; 8:60684-60703. [PMID: 28948003 PMCID: PMC5601171 DOI: 10.18632/oncotarget.19527] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Accepted: 07/12/2017] [Indexed: 12/12/2022] Open
Abstract
Transcriptional regulation and epigenetic mechanisms closely control gene expression through diverse physiological and pathophysiological processes. These include the development of germ layers and post-natal epithelial cell-tissue differentiation, as well as, involved with the induction, promotion and/or progression of human malignancies. Diverse studies have shed light on the molecular similarities and differences involved in the stages of embryological epithelial development and dedifferentiation processes in malignant tumors of epithelial origin, of which many focus on lung carcinomas. In lung cancer, several transcriptional, epigenetic and genetic aberrations have been described to partly arise from environmental risk factors, but ethnic genetic predisposition factors may also play a role. The classification of the molecular hallmarks of cancer has been essential to study and achieve a comprehensive view of the interaction networks between cell signaling pathways and functional roles of the transcriptional and epigenetic regulatory mechanisms. This has in turn increased understanding on how these molecular networks are involved in embryo-layers and malignant diseases development. Ultimately, a major biomedicine goal is to achieve a thorough understanding of their roles as diagnostic, prognostic and treatment response indicators in lung oncological patients. Recently, several notable cell-signaling pathways have been studied based on their contribution to promoting and/or regulating the engagement of different cancer hallmarks, among them genome instability, exacerbated proliferative signaling, replicative immortality, tumor invasion-metastasis, inflammation, and immune-surveillance evasion mechanisms. Of these, the Hedgehog-GLI (Hh) cell-signaling pathway has been identified as a main molecular contribution into several of the abovementioned functional embryo-malignancy processes. Nonetheless, the systematic study of the regulatory epigenetic and transcriptional mechanisms has remained mostly unexplored, which could identify the interaction networks between specific biomarkers and/or new therapeutic targets in malignant tumor progression and resistance to lung oncologic therapy. In the present work, we aimed to revise the most important up-to-date experimental and clinical findings in biology, embryology and cancer research regarding the Hh pathway. We explore the potential control of the transcriptional-epigenetic programming versus reprogramming mechanisms associated with its Hh-GLI cell signaling pathway members. Last, we present a summary of this information to systematically integrate the Hh signaling pathway to identify and propose novel compound strategies or better oncological therapeutic schemes for lung cancer patients.
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Affiliation(s)
- Leonel Armas-López
- Universidad Nacional Autónoma de México (UNAM), Facultad de Estudios Superiores (FES) Iztacala, Biomedicine Research Unit (UBIMED), Cancer Epigenomics And Lung Diseases Laboratory (UNAM-INER), Mexico City, México
| | - Joaquín Zúñiga
- Instituto Nacional de Enfermedades Respiratorias (INER), Ismael Cosío Villegas, Research Unit, Mexico City, México
| | - Oscar Arrieta
- Instituto Nacional de Cancerología (INCAN), Thoracic Oncology Clinic, Mexico City, México
| | - Federico Ávila-Moreno
- Universidad Nacional Autónoma de México (UNAM), Facultad de Estudios Superiores (FES) Iztacala, Biomedicine Research Unit (UBIMED), Cancer Epigenomics And Lung Diseases Laboratory (UNAM-INER), Mexico City, México
- Instituto Nacional de Enfermedades Respiratorias (INER), Ismael Cosío Villegas, Research Unit, Mexico City, México
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19
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Abstract
The regulation of the genome relies on the epigenome to instruct, define and restrict the activities of growth and development. Among the cohort of epigenetic instructions, DNA methylation is perhaps the best understood. In most mammals, cycles of the addition and removal of DNA methylation constitute phases of reprogramming when the developing embryo must negotiate lineage defining and developmental commitment events. In these instances, the DNA methylation instruction is often removed, thereby allowing a change in permission for future development and a return to a more plastic and pluripotent state. Because of this, the germ line, upon demethylation, can give rise to gametes that are fully functional across generations and poised for totipotency. This return to a less differentiated state can also be achieved experimentally. The loss of DNA methylation constitutes one of the significant barriers to induced pluripotency and is a prerequisite for the generation of iPS cells. Taking fully differentiated cells, such as skin cells, and turning back the developmental clock heralded a technological breakthrough discovery in 2006 (Takahashi and Yamanaka 2006) with unprecedented promise in regenerative medicine. In this chapter, the mechanistic possibilities for DNA demethylation will be described in the context of natural and experimentally induced epigenetic reprogramming. The balance of the maintenance of this heritable mark together with its timely removal is essential for lifelong health and may be a key in our understanding of ageing.
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Affiliation(s)
- Wendy Dean
- Epigenetics Programme, The Babraham Institute, Cambridge, CB22 3AT, UK.
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20
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Chavatte-Palmer P, Tarrade A, Kiefer H, Duranthon V, Jammes H. Breeding animals for quality products: not only genetics. Reprod Fertil Dev 2017; 28:94-111. [PMID: 27062878 DOI: 10.1071/rd15353] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The effect of the Developmental Origins of Health and Disease on the spread of non-communicable diseases is recognised by world agencies such as the United Nations and the World Health Organization. Early environmental effects on offspring phenotype also apply to domestic animals and their production traits. Herein, we show that maternal nutrition not only throughout pregnancy, but also in the periconception period can affect offspring phenotype through modifications of gametes, embryos and placental function. Because epigenetic mechanisms are key processes in mediating these effects, we propose that the study of epigenetic marks in gametes may provide additional information for domestic animal selection.
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Affiliation(s)
| | - Anne Tarrade
- INRA, UMR 1198 Biologie du Développement et Reproduction, 78350 Jouy en Josas, France
| | - Hélène Kiefer
- INRA, UMR 1198 Biologie du Développement et Reproduction, 78350 Jouy en Josas, France
| | - Véronique Duranthon
- INRA, UMR 1198 Biologie du Développement et Reproduction, 78350 Jouy en Josas, France
| | - Hélène Jammes
- INRA, UMR 1198 Biologie du Développement et Reproduction, 78350 Jouy en Josas, France
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21
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Fontelles CC, Guido LN, Rosim MP, Andrade FDO, Jin L, Inchauspe J, Pires VC, de Castro IA, Hilakivi-Clarke L, de Assis S, Ong TP. Paternal programming of breast cancer risk in daughters in a rat model: opposing effects of animal- and plant-based high-fat diets. Breast Cancer Res 2016; 18:71. [PMID: 27456846 PMCID: PMC4960664 DOI: 10.1186/s13058-016-0729-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 06/17/2016] [Indexed: 12/20/2022] Open
Abstract
Background Although males contribute half of the embryo’s genome, only recently has interest begun to be directed toward the potential impact of paternal experiences on the health of offspring. While there is evidence that paternal malnutrition may increase offspring susceptibility to metabolic diseases, the influence of paternal factors on a daughter’s breast cancer risk has been examined in few studies. Methods Male Sprague-Dawley rats were fed, before and during puberty, either a lard-based (high in saturated fats) or a corn oil-based (high in n-6 polyunsaturated fats) high-fat diet (60 % of fat-derived energy). Control animals were fed an AIN-93G control diet (16 % of fat-derived energy). Their 50-day-old female offspring fed only a commercial diet were subjected to the classical model of mammary carcinogenesis based on 7,12-dimethylbenz[a]anthracene initiation, and mammary tumor development was evaluated. Sperm cells and mammary gland tissue were subjected to cellular and molecular analysis. Results Compared with female offspring of control diet-fed male rats, offspring of lard-fed male rats did not differ in tumor latency, growth, or multiplicity. However, female offspring of lard-fed male rats had increased elongation of the mammary epithelial tree, number of terminal end buds, and tumor incidence compared with both female offspring of control diet-fed and corn oil-fed male rats. Compared with female offspring of control diet-fed male rats, female offspring of corn oil-fed male rats showed decreased tumor growth but no difference regarding tumor incidence, latency, or multiplicity. Additionally, female offspring of corn oil-fed male rats had longer tumor latency as well as decreased tumor growth and multiplicity compared with female offspring of lard-fed male rats. Paternal consumption of animal- or plant-based high-fat diets elicited opposing effects, with lard rich in saturated fatty acids increasing breast cancer risk in offspring and corn oil rich in n-6 polyunsaturated fatty acids decreasing it. These effects could be linked to alterations in microRNA expression in fathers’ sperm and their daughters’ mammary glands, and to modifications in breast cancer-related protein expression in this tissue. Conclusions Our findings highlight the importance of paternal nutrition in affecting future generations’ risk of developing breast cancer. Electronic supplementary material The online version of this article (doi:10.1186/s13058-016-0729-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Camile Castilho Fontelles
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes 580, Bloco 14, São Paulo, SP, 05508-000, Brazil
| | - Luiza Nicolosi Guido
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes 580, Bloco 14, São Paulo, SP, 05508-000, Brazil
| | - Mariana Papaléo Rosim
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes 580, Bloco 14, São Paulo, SP, 05508-000, Brazil
| | - Fábia de Oliveira Andrade
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes 580, Bloco 14, São Paulo, SP, 05508-000, Brazil
| | - Lu Jin
- Georgetown Lombardi Comprehensive Cancer Center, Washington, DC, 20007, USA
| | - Jessica Inchauspe
- Georgetown Lombardi Comprehensive Cancer Center, Washington, DC, 20007, USA
| | - Vanessa Cardoso Pires
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes 580, Bloco 14, São Paulo, SP, 05508-000, Brazil
| | - Inar Alves de Castro
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes 580, Bloco 14, São Paulo, SP, 05508-000, Brazil
| | | | - Sonia de Assis
- Georgetown Lombardi Comprehensive Cancer Center, Washington, DC, 20007, USA
| | - Thomas Prates Ong
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes 580, Bloco 14, São Paulo, SP, 05508-000, Brazil. .,Food Research Center (FoRC), São Paulo, 05508-000, Brazil.
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22
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Bunkar N, Pathak N, Lohiya NK, Mishra PK. Epigenetics: A key paradigm in reproductive health. Clin Exp Reprod Med 2016; 43:59-81. [PMID: 27358824 PMCID: PMC4925870 DOI: 10.5653/cerm.2016.43.2.59] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2016] [Revised: 02/06/2016] [Accepted: 03/16/2016] [Indexed: 12/17/2022] Open
Abstract
It is well established that there is a heritable element of susceptibility to chronic human ailments, yet there is compelling evidence that some components of such heritability are transmitted through non-genetic factors. Due to the complexity of reproductive processes, identifying the inheritance patterns of these factors is not easy. But little doubt exists that besides the genomic backbone, a range of epigenetic cues affect our genetic programme. The inter-generational transmission of epigenetic marks is believed to operate via four principal means that dramatically differ in their information content: DNA methylation, histone modifications, microRNAs and nucleosome positioning. These epigenetic signatures influence the cellular machinery through positive and negative feedback mechanisms either alone or interactively. Understanding how these mechanisms work to activate or deactivate parts of our genetic programme not only on a day-to-day basis but also over generations is an important area of reproductive health research.
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Affiliation(s)
- Neha Bunkar
- Translational Research Laboratory, School of Biological Sciences, Dr. Hari Singh Central University, Sagar, India
| | - Neelam Pathak
- Translational Research Laboratory, School of Biological Sciences, Dr. Hari Singh Central University, Sagar, India.; Reproductive Physiology Laboratory, Centre for Advanced Studies, University of Rajasthan, Jaipur, India
| | - Nirmal Kumar Lohiya
- Reproductive Physiology Laboratory, Centre for Advanced Studies, University of Rajasthan, Jaipur, India
| | - Pradyumna Kumar Mishra
- Translational Research Laboratory, School of Biological Sciences, Dr. Hari Singh Central University, Sagar, India.; Department of Molecular Biology, National Institute for Research in Environmental Health (ICMR), Bhopal, India
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23
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Marczylo EL, Jacobs MN, Gant TW. Environmentally induced epigenetic toxicity: potential public health concerns. Crit Rev Toxicol 2016; 46:676-700. [PMID: 27278298 PMCID: PMC5030620 DOI: 10.1080/10408444.2016.1175417] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Throughout our lives, epigenetic processes shape our development and enable us to adapt to a constantly changing environment. Identifying and understanding environmentally induced epigenetic change(s) that may lead to adverse outcomes is vital for protecting public health. This review, therefore, examines the present understanding of epigenetic mechanisms involved in the mammalian life cycle, evaluates the current evidence for environmentally induced epigenetic toxicity in human cohorts and rodent models and highlights the research considerations and implications of this emerging knowledge for public health and regulatory toxicology. Many hundreds of studies have investigated such toxicity, yet relatively few have demonstrated a mechanistic association among specific environmental exposures, epigenetic changes and adverse health outcomes in human epidemiological cohorts and/or rodent models. While this small body of evidence is largely composed of exploratory in vivo high-dose range studies, it does set a precedent for the existence of environmentally induced epigenetic toxicity. Consequently, there is worldwide recognition of this phenomenon, and discussion on how to both guide further scientific research towards a greater mechanistic understanding of environmentally induced epigenetic toxicity in humans, and translate relevant research outcomes into appropriate regulatory policies for effective public health protection.
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Affiliation(s)
- Emma L Marczylo
- a Toxicology Department, CRCE, PHE, Chilton , Oxfordshire , UK
| | - Miriam N Jacobs
- a Toxicology Department, CRCE, PHE, Chilton , Oxfordshire , UK
| | - Timothy W Gant
- a Toxicology Department, CRCE, PHE, Chilton , Oxfordshire , UK
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24
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Impey S, Pelz C, Tafessu A, Marzulla T, Turker MS, Raber J. Proton irradiation induces persistent and tissue-specific DNA methylation changes in the left ventricle and hippocampus. BMC Genomics 2016; 17:273. [PMID: 27036964 PMCID: PMC4815246 DOI: 10.1186/s12864-016-2581-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 03/08/2016] [Indexed: 02/06/2023] Open
Abstract
Background Proton irradiation poses a potential hazard to astronauts during and following a mission, with post-mitotic cells at most risk because they cannot dilute resultant epigenetic changes via cell division. Persistent epigenetic changes that result from environmental exposures include gains or losses of DNA methylation of cytosine, which can impact gene expression. In the present study, we compared the long-term epigenetic effects of whole body proton irradiation in the mouse hippocampus and left ventricle. We used an unbiased genome-wide DNA methylation study, involving ChIP-seq with antibodies to 5-methylcytosine (5mC) and 5-hydroxymethylcytosine (5hmC) to identify DNA regions in which methylation levels have changed 22 weeks after a single exposure to proton irradiation. We used DIP-Seq to profile changes in genome-wide DNA methylation and hydroxymethylation following proton irradiation. In addition, we used published RNAseq data to assess whether differentially methylated regions were linked to changes in gene expression. Results The DNA methylation data showed tissue-dependent effects of proton irradiation and revealed significant major pathway changes in response to irradiation that are related to known pathophysiologic processes. Many regions affected in the ventricle mapped to genes involved in cardiovascular function pathways, whereas many regions affected in the hippocampus mapped to genes involved in neuronal functions. In the ventricle, increases in 5hmC were associated with decreases in 5mC. We also observed spatial overlap for regions where both epigenetic marks decreased in the ventricle. In hippocampus, increases in 5hmC were most significantly correlated (spatially) with regions that had increased 5mC, suggesting that deposition of hippocampal 5mC and 5hmC may be mechanistically coupled. Conclusions The results demonstrate long-term changes in DNA methylation patterns following a single proton irradiation, that these changes are tissue specific, and that they map to pathways consistent with tissue specific responses to proton irradiation. Further, the results suggest novel relationships between changes in 5mC and 5hmC. Electronic supplementary material The online version of this article (doi:10.1186/s12864-016-2581-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Soren Impey
- Oregon Stem Cell Center and Department of Pediatrics, Oregon Health and Science University, Portland, OR, 97239, USA. .,Department of Cell, Developmental and Cancer Biology, Oregon Health and Science University, Portland, OR, 97239, USA. .,Department of Pediatric, L321, Oregon Health and Science University, 3181SW Sam Jackson Park Road, Portland, OR, 97239, USA.
| | - Carl Pelz
- Oregon Stem Cell Center and Department of Pediatrics, Oregon Health and Science University, Portland, OR, 97239, USA
| | - Amanuel Tafessu
- Oregon Stem Cell Center and Department of Pediatrics, Oregon Health and Science University, Portland, OR, 97239, USA
| | - Tessa Marzulla
- Department of Behavioral Neuroscience, L470, Oregon Health and Science University, 3181SW Sam Jackson Park Road, Portland, OR, 97239, USA
| | - Mitchell S Turker
- Oregon Institute of Occupational Health Sciences and Department of Molecular and Medical Genetics, Oregon Health and Science University, Portland, OR, 97239, USA
| | - Jacob Raber
- Department of Behavioral Neuroscience, L470, Oregon Health and Science University, 3181SW Sam Jackson Park Road, Portland, OR, 97239, USA. .,Departments of Neurology and Radiation Medicine, Division of Neuroscience ONPRC, Oregon Health and Science University, Portland, OR, 97239, USA. .,Knight Cardiovascular Institute, Oregon Health and Science University, Portland, OR, 97239, USA.
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25
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Rajabi H, Mohseni-Kouchesfehani H, Mohammadi-Sangcheshmeh A, Farifteh-Nobijari F, Salehi M. Pronuclear epigenetic modification of protamine deficient human sperm following injection into mouse oocytes. Syst Biol Reprod Med 2016; 62:125-32. [DOI: 10.3109/19396368.2016.1140848] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Hoda Rajabi
- Stem Cell Technology Research Center, Tehran, Iran
- Faculty of Biological Science, Kharazmi University, Tehran, Iran
| | | | | | - Fattaneh Farifteh-Nobijari
- Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Salehi
- Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Bai W, Yang W, Wang W, Wang Y, Liu C, Jiang Q, Hua J, Liao M. GED: a manually curated comprehensive resource for epigenetic modification of gametogenesis. Brief Bioinform 2016; 18:98-104. [DOI: 10.1093/bib/bbw007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 12/29/2015] [Indexed: 12/13/2022] Open
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Global DNA methylation and related mRNA profiles in sheep oocytes and early embryos derived from pre-pubertal and adult donors. Anim Reprod Sci 2016; 164:144-51. [DOI: 10.1016/j.anireprosci.2015.11.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 11/24/2015] [Accepted: 11/25/2015] [Indexed: 01/22/2023]
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Svoboda P, Franke V, Schultz RM. Sculpting the Transcriptome During the Oocyte-to-Embryo Transition in Mouse. Curr Top Dev Biol 2015; 113:305-49. [PMID: 26358877 DOI: 10.1016/bs.ctdb.2015.06.004] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In mouse, the oocyte-to-embryo transition entails converting a highly differentiated oocyte to totipotent blastomeres. This transition is driven by degradation of maternal mRNAs, which results in loss of oocyte identity, and reprogramming of gene expression during the course of zygotic gene activation, which occurs primarily during the two-cell stage and confers blastomere totipotency. Full-grown oocytes are transcriptionally quiescent and mRNAs are remarkably stable in oocytes due to the RNA-binding protein MSY2, which stabilizes mRNAs, and low activity of the 5' and 3' RNA degradation machinery. Oocyte maturation initiates a transition from mRNA stability to instability due to phosphorylation of MSY2, which makes mRNAs more susceptible to the RNA degradation machinery, and recruitment of dormant maternal mRNAs that encode for critical components of the 5' and 3' RNA degradation machinery. Small RNAs (miRNA, siRNA, and piRNA) play little, if any, role in mRNA degradation that occurs during maturation. Many mRNAs are totally degraded but a substantial fraction is only partially degraded, their degradation completed by the end of the two-cell stage. Genome activation initiates during the one-cell stage, is promiscuous, low level, and genome wide (and includes both inter- and intragenic regions) and produces transcripts that are inefficiently spliced and polyadenylated. The major wave of genome activation in two-cell embryos involves expression of thousands of new genes. This unique pattern of gene expression is the product of maternal mRNAs recruited during maturation that encode for transcription factors and chromatin remodelers, as well as dramatic changes in chromatin structure due to incorporation of histone variants and modified histones.
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Affiliation(s)
- Petr Svoboda
- Institute of Molecular Genetics, Academy of Sciences of the Czech Republic, Prague, Czech Republic.
| | - Vedran Franke
- Bioinformatics Group, Division of Biology, Faculty of Science, Zagreb University, Zagreb, Croatia
| | - Richard M Schultz
- Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
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Pantaleon M. The Role of Hexosamine Biosynthesis and Signaling in Early Development. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 843:53-76. [DOI: 10.1007/978-1-4939-2480-6_3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Efimova OA, Pendina AA, Tikhonov AV, Fedorova ID, Krapivin MI, Chiryaeva OG, Shilnikova EM, Bogdanova MA, Kogan IY, Kuznetzova TV, Gzgzyan AM, Ailamazyan EK, Baranov VS. Chromosome hydroxymethylation patterns in human zygotes and cleavage-stage embryos. Reproduction 2014; 149:223-33. [PMID: 25504867 DOI: 10.1530/rep-14-0343] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
We report the sequential changes in 5-hydroxymethylcytosine (5hmC) patterns in the genome of human preimplantation embryos during DNA methylation reprogramming. We have studied chromosome hydroxymethylation and methylation patterns in triploid zygotes and blastomeres of cleavage-stage embryos. Using indirect immunofluorescence, we have analyzed the localization of 5hmC and its co-distribution with 5-methylcytosine (5mC) on the QFH-banded metaphase chromosomes. In zygotes, 5hmC accumulates in both parental chromosome sets, but hydroxymethylation is more intensive in the poorly methylated paternal set. In the maternal set, chromosomes are highly methylated, but contain little 5hmC. Hydroxymethylation is highly region specific in both parental chromosome sets: hydroxymethylated loci correspond to R-bands, but not G-bands, and have well-defined borders, which coincide with the R/G-band boundaries. The centromeric regions and heterochromatin at 1q12, 9q12, 16q11.2, and Yq12 contain little 5mC and no 5hmC. We hypothesize that 5hmC may mark structural/functional genome 'units' corresponding to chromosome bands in the newly formed zygotic genome. In addition, we suggest that the hydroxymethylation of R-bands in zygotes can be treated as a new characteristic distinguishing them from G-bands. At cleavages, chromosomes with asymmetrical hydroxymethylation of sister chromatids appear. They decrease in number during cleavages, whereas totally non-hydroxymethylated chromosomes become numerous. Taken together, our findings suggest that, in the zygotic genome, 5hmC is distributed selectively and its pattern is determined by both parental origin of chromosomes and type of chromosome bands - R, G, or C. At cleavages, chromosome hydroxymethylation pattern is dynamically changed due to passive and non-selective overall loss of 5hmC, which coincides with that of 5mC.
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Affiliation(s)
- Olga A Efimova
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia
| | - Anna A Pendina
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Pet
| | - Andrei V Tikhonov
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Pet
| | - Irina D Fedorova
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia
| | - Mikhail I Krapivin
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia
| | - Olga G Chiryaeva
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Pet
| | - Evgeniia M Shilnikova
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia
| | - Mariia A Bogdanova
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia
| | - Igor Yu Kogan
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia
| | - Tatyana V Kuznetzova
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia
| | - Alexander M Gzgzyan
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia
| | - Edward K Ailamazyan
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Pet
| | - Vladislav S Baranov
- D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Petersburg, Russia D.O. Ott Research Institute of Obstetrics and GynecologyMendeleevskaya line, 3, 199034 St Petersburg, RussiaSt Petersburg State UniversityUniversitetskaya nab.7/9, 199034 St Petersburg, RussiaCenter for Medical GeneticsTobolskaya ul., 5, 194044 St Petersburg, RussiaSt Petersburg State Pediatric Medical UniversityLitovskaya ul., 2, 194100 St Petersburg, RussiaS.M. Kirov Military Medical AcademyLebedeva ul., 6, 194044 St Petersburg, RussiaN.I. Pirogov National Medical-Surgery CenterSt Petersburg Clinic Complex, nab. Fontanki, 154, 190103 St Petersburg, RussiaI.P. Pavlov First St Petersburg State Medical UniversityL'va Tolstogo ul., 6/8, 197022 St Pet
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Pierron F, Bureau du Colombier S, Moffett A, Caron A, Peluhet L, Daffe G, Lambert P, Elie P, Labadie P, Budzinski H, Dufour S, Couture P, Baudrimont M. Abnormal ovarian DNA methylation programming during gonad maturation in wild contaminated fish. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2014; 48:11688-11695. [PMID: 25203663 DOI: 10.1021/es503712c] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
There is increasing evidence that pollutants may cause diseases via epigenetic modifications. Epigenetic mechanisms such as DNA methylation participate in the regulation of gene transcription. Surprisingly, epigenetics research is still limited in ecotoxicology. In this study, we investigated whether chronic exposure to contaminants experienced by wild female fish (Anguilla anguilla) throughout their juvenile phase can affect the DNA methylation status of their oocytes during gonad maturation. Thus, fish were sampled in two locations presenting a low or a high contamination level. Then, fish were transferred to the laboratory and artificially matured. Before hormonal treatment, the DNA methylation levels of the genes encoding for the aromatase and the receptor of the follicle stimulating hormone were higher in contaminated fish than in fish from the clean site. For the hormone receptor, this hypermethylation was positively correlated with the contamination level of fish and was associated with a decrease in its transcription level. In addition, whereas gonad growth was associated with an increase in DNA methylation in fish from the clean site, no changes were observed in contaminated fish in response to hormonal treatment. Finally, a higher gonad growth was observed in fish from the reference site in comparison to contaminated fish.
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Affiliation(s)
- Fabien Pierron
- University of Bordeaux, EPOC, UMR 5805 , F-33400 Talence, France
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