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Wang Y, Zhang M, Wang R, Lin J, Ma Q, Guo H, Huang H, Liang Z, Cao Y, Zhang X, Lu YW, Liu J, Xiao F, Yan H, Dimitrova N, Huang ZP, Mably JD, Pu WT, Wang DZ. Therapeutic Inhibition of LincRNA-p21 Protects Against Cardiac Hypertrophy. Circ Res 2024; 135:434-449. [PMID: 38864216 PMCID: PMC11257812 DOI: 10.1161/circresaha.123.323356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 05/31/2024] [Indexed: 06/13/2024]
Abstract
BACKGROUND Cardiac hypertrophy is an adaptive response to pressure overload aimed at maintaining cardiac function. However, prolonged hypertrophy significantly increases the risk of maladaptive cardiac remodeling and heart failure. Recent studies have implicated long noncoding RNAs in cardiac hypertrophy and cardiomyopathy, but their significance and mechanism(s) of action are not well understood. METHODS We measured lincRNA-p21 RNA and H3K27ac levels in the hearts of dilated cardiomyopathy patients. We assessed the functional role of lincRNA-p21 in basal and surgical pressure-overload conditions using loss-of-function mice. Genome-wide transcriptome analysis revealed dysregulated genes and pathways. We labeled proteins in proximity to full-length lincRNA-p21 using a novel BioID2-based system. We immunoprecipitated lincRNA-p21-interacting proteins and performed cell fractionation, ChIP-seq (chromatin immunoprecipitation followed by sequencing), and co-immunoprecipitation to investigate molecular interactions and underlying mechanisms. We used GapmeR antisense oligonucleotides to evaluate the therapeutic potential of lincRNA-p21 inhibition in cardiac hypertrophy and associated heart failure. RESULTS lincRNA-p21 was induced in mice and humans with cardiomyopathy. Global and cardiac-specific lincRNA-p21 knockout significantly suppressed pressure overload-induced ventricular wall thickening, stress marker elevation, and deterioration of cardiac function. Genome-wide transcriptome analysis and transcriptional network analysis revealed that lincRNA-p21 acts in trans to stimulate the NFAT/MEF2 (nuclear factor of activated T cells/myocyte enhancer factor-2) pathway. Mechanistically, lincRNA-p21 is bound to the scaffold protein KAP1 (KRAB-associated protein-1). lincRNA-p21 cardiac-specific knockout suppressed stress-induced nuclear accumulation of KAP1, and KAP1 knockdown attenuated cardiac hypertrophy and NFAT activation. KAP1 positively regulates pathological hypertrophy by physically interacting with NFATC4 to promote the overactive status of NFAT/MEF2 signaling. GapmeR antisense oligonucleotide depletion of lincRNA-p21 similarly inhibited cardiac hypertrophy and adverse remodeling, highlighting the therapeutic potential of inhibiting lincRNA-p21. CONCLUSIONS These findings advance our understanding of the functional significance of stress-induced long noncoding RNA in cardiac hypertrophy and demonstrate the potential of lincRNA-p21 as a novel therapeutic target for cardiac hypertrophy and subsequent heart failure.
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MESH Headings
- Animals
- Humans
- Male
- Mice
- Cardiomegaly/metabolism
- Cardiomegaly/genetics
- Cardiomegaly/prevention & control
- Cardiomegaly/pathology
- Cardiomyopathy, Dilated/genetics
- Cardiomyopathy, Dilated/metabolism
- Cardiomyopathy, Dilated/pathology
- Cardiomyopathy, Dilated/prevention & control
- Mice, Inbred C57BL
- Mice, Knockout
- Myocytes, Cardiac/metabolism
- Myocytes, Cardiac/pathology
- RNA, Long Noncoding/genetics
- RNA, Long Noncoding/metabolism
- Ventricular Remodeling
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Affiliation(s)
- Yi Wang
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Mingming Zhang
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Cardiology, Tangdu Hospital, The Fourth Military Medical University, Xi’an 710032, China
| | - Rong Wang
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Jing Lin
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- School of Public Health, Xi’an Jiaotong University, Xi’an 710061, China
| | - Qing Ma
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Haipeng Guo
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Critical Care and Emergency Medicine, Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China
| | - Huihui Huang
- Division of Nephrology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Zhuomin Liang
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Cardiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Yangpo Cao
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Xiaoran Zhang
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Yao Wei Lu
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Vascular Biology Program, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Jianming Liu
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Vertex pharmaceuticals, Vertex cell and genetic therapy (VCGT), Boston, MA 02210, USA
| | - Feng Xiao
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Hualin Yan
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Medical Ultrasound, Laboratory of Ultrasound Imaging Drug, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Nadya Dimitrova
- Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, CT 06511, USA
| | - Zhan-Peng Huang
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Cardiology, Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - John D. Mably
- Center for Regenerative Medicine and USF Health Heart Institute, Department of Internal Medicine, University of South Florida, Tampa, FL 33602, USA
| | - William T. Pu
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, 02138, USA
| | - Da-Zhi Wang
- Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Center for Regenerative Medicine and USF Health Heart Institute, Department of Internal Medicine, University of South Florida, Tampa, FL 33602, USA
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2
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Giaccari C, Cecere F, Argenziano L, Pagano A, Riccio A. New insights into oocyte cytoplasmic lattice-associated proteins. Trends Genet 2024:S0168-9525(24)00149-5. [PMID: 38955588 DOI: 10.1016/j.tig.2024.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 06/06/2024] [Accepted: 06/07/2024] [Indexed: 07/04/2024]
Abstract
Oocyte maturation and preimplantation embryo development are critical to successful pregnancy outcomes and the correct establishment and maintenance of genomic imprinting. Thanks to novel technologies and omics studies in human patients and mouse models, the importance of the proteins associated with the cytoplasmic lattices (CPLs), highly abundant structures found in the cytoplasm of mammalian oocytes and preimplantation embryos, in the maternal to zygotic transition is becoming increasingly evident. This review highlights the recent discoveries on the role of these proteins in protein storage and other oocyte cytoplasmic processes, epigenetic reprogramming, and zygotic genome activation (ZGA). A better comprehension of these events may significantly improve clinical diagnosis and pave the way for targeted interventions aiming to correct or mitigate female fertility issues and genomic imprinting disorders.
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Affiliation(s)
- Carlo Giaccari
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania 'Luigi Vanvitelli,' Caserta, Italy
| | - Francesco Cecere
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania 'Luigi Vanvitelli,' Caserta, Italy
| | - Lucia Argenziano
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania 'Luigi Vanvitelli,' Caserta, Italy
| | - Angela Pagano
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania 'Luigi Vanvitelli,' Caserta, Italy
| | - Andrea Riccio
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania 'Luigi Vanvitelli,' Caserta, Italy; Institute of Genetics and Biophysics (IGB) 'Adriano Buzzati-Traverso,' Consiglio Nazionale delle Ricerche (CNR), Naples, Italy.
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3
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Younesian S, Mohammadi MH, Younesian O, Momeny M, Ghaffari SH, Bashash D. DNA methylation in human diseases. Heliyon 2024; 10:e32366. [PMID: 38933971 PMCID: PMC11200359 DOI: 10.1016/j.heliyon.2024.e32366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Aberrant epigenetic modifications, particularly DNA methylation, play a critical role in the pathogenesis and progression of human diseases. The current review aims to reveal the role of aberrant DNA methylation in the pathogenesis and progression of diseases and to discuss the original data obtained from international research laboratories on this topic. In the review, we mainly summarize the studies exploring the role of aberrant DNA methylation as diagnostic and prognostic biomarkers in a broad range of human diseases, including monogenic epigenetics, autoimmunity, metabolic disorders, hematologic neoplasms, and solid tumors. The last section provides a general overview of the possibility of the DNA methylation machinery from the perspective of pharmaceutic approaches. In conclusion, the study of DNA methylation machinery is a phenomenal intersection that each of its ways can reveal the mysteries of various diseases, introduce new diagnostic and prognostic biomarkers, and propose a new patient-tailored therapeutic approach for diseases.
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Affiliation(s)
- Samareh Younesian
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, 1971653313 Iran
| | - Mohammad Hossein Mohammadi
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, 1971653313 Iran
| | - Ommolbanin Younesian
- School of Medicine, Tonekabon Branch, Islamic Azad University, Tonekabon, 46841-61167 Iran
| | - Majid Momeny
- The Brown Foundation Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, 77030 TX, USA
| | - Seyed H. Ghaffari
- Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, 1411713135 Iran
| | - Davood Bashash
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, 1971653313 Iran
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4
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Matsuzaki H, Kimura M, Morihashi M, Tanimoto K. Imprinted DNA methylation of the H19 ICR is established and maintained in vivo in the absence of Kaiso. Epigenetics Chromatin 2024; 17:20. [PMID: 38840164 PMCID: PMC11151560 DOI: 10.1186/s13072-024-00544-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 05/23/2024] [Indexed: 06/07/2024] Open
Abstract
BACKGROUND Paternal allele-specific DNA methylation of the imprinting control region (H19 ICR) controls genomic imprinting at the Igf2/H19 locus. We previously demonstrated that the mouse H19 ICR transgene acquires imprinted DNA methylation in preimplantation mouse embryos. This activity is also present in the endogenous H19 ICR and protects it from genome-wide reprogramming after fertilization. We also identified a 118-bp sequence within the H19 ICR that is responsible for post-fertilization imprinted methylation. Two mutations, one in the five RCTG motifs and the other a 36-bp deletion both in the 118-bp segment, caused complete and partial loss, respectively, of methylation following paternal transmission in each transgenic mouse. Interestingly, these mutations overlap with the binding site for the transcription factor Kaiso, which is reportedly involved in maintaining paternal methylation at the human H19 ICR (IC1) in cultured cells. In this study, we investigated if Kaiso regulates imprinted DNA methylation of the H19 ICR in vivo. RESULTS Neither Kaiso deletion nor mutation of Kaiso binding sites in the 118-bp region affected DNA methylation of the mouse H19 ICR transgene. The endogenous mouse H19 ICR was methylated in a wild-type manner in Kaiso-null mutant mice. Additionally, the human IC1 transgene acquired imprinted DNA methylation after fertilization in the absence of Kaiso. CONCLUSIONS Our results indicate that Kaiso is not essential for either post-fertilization imprinted DNA methylation of the transgenic H19 ICR in mouse or for methylation imprinting of the endogenous mouse H19 ICR.
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Affiliation(s)
- Hitomi Matsuzaki
- Institute of Life and Environmental Sciences, Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8577, Japan.
| | - Minami Kimura
- Graduate School of Science and Technology, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Mizuki Morihashi
- Graduate School of Science and Technology, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Keiji Tanimoto
- Institute of Life and Environmental Sciences, Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8577, Japan
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5
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Uneme Y, Maeda R, Nakayama G, Narita H, Takeda N, Hiramatsu R, Nishihara H, Nakato R, Kanai Y, Araki K, Siomi MC, Yamanaka S. Morc1 reestablishes H3K9me3 heterochromatin on piRNA-targeted transposons in gonocytes. Proc Natl Acad Sci U S A 2024; 121:e2317095121. [PMID: 38502704 PMCID: PMC10990106 DOI: 10.1073/pnas.2317095121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 01/23/2024] [Indexed: 03/21/2024] Open
Abstract
To maintain fertility, male mice re-repress transposable elements (TEs) that were de-silenced in the early gonocytes before their differentiation into spermatogonia. However, the mechanism of TE silencing re-establishment remains unknown. Here, we found that the DNA-binding protein Morc1, in cooperation with the methyltransferase SetDB1, deposits the repressive histone mark H3K9me3 on a large fraction of activated TEs, leading to heterochromatin. Morc1 also triggers DNA methylation, but TEs targeted by Morc1-driven DNA methylation only slightly overlapped with those repressed by Morc1/SetDB1-dependent heterochromatin formation, suggesting that Morc1 silences TEs in two different manners. In contrast, TEs regulated by Morc1 and Miwi2, the nuclear PIWI-family protein, almost overlapped. Miwi2 binds to PIWI-interacting RNAs (piRNAs) that base-pair with TE mRNAs via sequence complementarity, while Morc1 DNA binding is not sequence specific, suggesting that Miwi2 selects its targets, and then, Morc1 acts to repress them with cofactors. A high-ordered mechanism of TE repression in gonocytes has been identified.
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Affiliation(s)
- Yuta Uneme
- Department of Biophysics and Biochemistry, Faculty of Science, The University of Tokyo, Tokyo113-0032, Japan
| | - Ryu Maeda
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo113-0032, Japan
| | - Gen Nakayama
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo113-0032, Japan
| | - Haruka Narita
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo113-0032, Japan
| | - Naoki Takeda
- Division of Developmental Genetics, Institute of Resource Development and Analysis, Kumamoto University, Kumamoto860-0811, Japan
| | - Ryuji Hiramatsu
- Department of Veterinary Anatomy, The University of Tokyo, Tokyo113-8657, Japan
| | - Hidenori Nishihara
- Department of Advanced Bioscience, Graduate School of Agriculture, Kindai University, Nara631-8505, Japan
| | - Ryuichiro Nakato
- Institute for Quantitative Biosciences, The University of Tokyo, Tokyo113-0032, Japan
| | - Yoshiakira Kanai
- Department of Veterinary Anatomy, The University of Tokyo, Tokyo113-8657, Japan
| | - Kimi Araki
- Division of Developmental Genetics, Institute of Resource Development and Analysis, Kumamoto University, Kumamoto860-0811, Japan
- Faculty of Life Sciences, Center for Metabolic Regulation of Healthy Aging, Kumamoto University, Honjo, Kumamoto860-8556, Japan
| | - Mikiko C. Siomi
- Department of Biophysics and Biochemistry, Faculty of Science, The University of Tokyo, Tokyo113-0032, Japan
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo113-0032, Japan
| | - Soichiro Yamanaka
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo113-0032, Japan
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6
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Viner C, Ishak CA, Johnson J, Walker NJ, Shi H, Sjöberg-Herrera MK, Shen SY, Lardo SM, Adams DJ, Ferguson-Smith AC, De Carvalho DD, Hainer SJ, Bailey TL, Hoffman MM. Modeling methyl-sensitive transcription factor motifs with an expanded epigenetic alphabet. Genome Biol 2024; 25:11. [PMID: 38191487 PMCID: PMC10773111 DOI: 10.1186/s13059-023-03070-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 09/21/2023] [Indexed: 01/10/2024] Open
Abstract
BACKGROUND Transcription factors bind DNA in specific sequence contexts. In addition to distinguishing one nucleobase from another, some transcription factors can distinguish between unmodified and modified bases. Current models of transcription factor binding tend not to take DNA modifications into account, while the recent few that do often have limitations. This makes a comprehensive and accurate profiling of transcription factor affinities difficult. RESULTS Here, we develop methods to identify transcription factor binding sites in modified DNA. Our models expand the standard A/C/G/T DNA alphabet to include cytosine modifications. We develop Cytomod to create modified genomic sequences and we also enhance the MEME Suite, adding the capacity to handle custom alphabets. We adapt the well-established position weight matrix (PWM) model of transcription factor binding affinity to this expanded DNA alphabet. Using these methods, we identify modification-sensitive transcription factor binding motifs. We confirm established binding preferences, such as the preference of ZFP57 and C/EBPβ for methylated motifs and the preference of c-Myc for unmethylated E-box motifs. CONCLUSIONS Using known binding preferences to tune model parameters, we discover novel modified motifs for a wide array of transcription factors. Finally, we validate our binding preference predictions for OCT4 using cleavage under targets and release using nuclease (CUT&RUN) experiments across conventional, methylation-, and hydroxymethylation-enriched sequences. Our approach readily extends to other DNA modifications. As more genome-wide single-base resolution modification data becomes available, we expect that our method will yield insights into altered transcription factor binding affinities across many different modifications.
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Affiliation(s)
- Coby Viner
- Department of Computer Science, University of Toronto, Toronto, ON, Canada
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Charles A Ishak
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - James Johnson
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
| | - Nicolas J Walker
- Department of Genetics, University of Cambridge, Cambridge, England
| | - Hui Shi
- Department of Genetics, University of Cambridge, Cambridge, England
| | - Marcela K Sjöberg-Herrera
- Wellcome Sanger Institute, Cambridge, England
- Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Shu Yi Shen
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Santana M Lardo
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, USA
| | | | | | - Daniel D De Carvalho
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Sarah J Hainer
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, USA
| | - Timothy L Bailey
- Department of Pharmacology, University of Nevada, Reno, Reno, NV, USA
| | - Michael M Hoffman
- Department of Computer Science, University of Toronto, Toronto, ON, Canada.
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada.
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada.
- Vector Institute for Artificial Intelligence, Toronto, ON, Canada.
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Liao J, Szabó PE. Role of transcription in imprint establishment in the male and female germ lines. Epigenomics 2024; 16:127-136. [PMID: 38126127 PMCID: PMC10825728 DOI: 10.2217/epi-2023-0344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023] Open
Abstract
The authors highlight an area of research that focuses on the establishment of genomic imprints: how the female and male germlines set up opposite instructions for imprinted genes in the maternally and paternally inherited chromosomes. Mouse genetics studies have solidified the role of transcription across the germline differentially methylated regions in the establishment of maternal genomic imprinting. One work now reveals that such transcription is also important in paternal imprinting establishment. This allows the authors to propose a unifying mechanism, in the form of transcription across germline differentially methylated regions, that specifies DNA methylation imprint establishment. Differences in the timing, genomic location and nature of such transcription events in the male versus female germlines in turn explain the difference between paternal and maternal imprints.
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Affiliation(s)
- Ji Liao
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Piroska E Szabó
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI 49503, USA
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Weinberg-Shukron A, Youngson NA, Ferguson-Smith AC, Edwards CA. Epigenetic control and genomic imprinting dynamics of the Dlk1-Dio3 domain. Front Cell Dev Biol 2023; 11:1328806. [PMID: 38155837 PMCID: PMC10754522 DOI: 10.3389/fcell.2023.1328806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 11/27/2023] [Indexed: 12/30/2023] Open
Abstract
Genomic imprinting is an epigenetic process whereby genes are monoallelically expressed in a parent-of-origin-specific manner. Imprinted genes are frequently found clustered in the genome, likely illustrating their need for both shared regulatory control and functional inter-dependence. The Dlk1-Dio3 domain is one of the largest imprinted clusters. Genes in this region are involved in development, behavior, and postnatal metabolism: failure to correctly regulate the domain leads to Kagami-Ogata or Temple syndromes in humans. The region contains many of the hallmarks of other imprinted domains, such as long non-coding RNAs and parental origin-specific CTCF binding. Recent studies have shown that the Dlk1-Dio3 domain is exquisitely regulated via a bipartite imprinting control region (ICR) which functions differently on the two parental chromosomes to establish monoallelic expression. Furthermore, the Dlk1 gene displays a selective absence of imprinting in the neurogenic niche, illustrating the need for precise dosage modulation of this domain in different tissues. Here, we discuss the following: how differential epigenetic marks laid down in the gametes cause a cascade of events that leads to imprinting in the region, how this mechanism is selectively switched off in the neurogenic niche, and why studying this imprinted region has added a layer of sophistication to how we think about the hierarchical epigenetic control of genome function.
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Affiliation(s)
| | - Neil A. Youngson
- School of BioSciences, The University of Melbourne, Parkville, VIC, Australia
| | | | - Carol A. Edwards
- Department of Genetics, University of Cambridge, Cambridge, United Kingdom
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Verma A, Poondi Krishnan V, Cecere F, D’Angelo E, Lullo V, Strazzullo M, Selig S, Angelini C, Matarazzo MR, Riccio A. ICF1-Syndrome-Associated DNMT3B Mutations Prevent De Novo Methylation at a Subset of Imprinted Loci during iPSC Reprogramming. Biomolecules 2023; 13:1717. [PMID: 38136588 PMCID: PMC10741953 DOI: 10.3390/biom13121717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 11/19/2023] [Accepted: 11/23/2023] [Indexed: 12/24/2023] Open
Abstract
Parent-of-origin-dependent gene expression of a few hundred human genes is achieved by differential DNA methylation of both parental alleles. This imprinting is required for normal development, and defects in this process lead to human disease. Induced pluripotent stem cells (iPSCs) serve as a valuable tool for in vitro disease modeling. However, a wave of de novo DNA methylation during reprogramming of iPSCs affects DNA methylation, thus limiting their use. The DNA methyltransferase 3B (DNMT3B) gene is highly expressed in human iPSCs; however, whether the hypermethylation of imprinted loci depends on DNMT3B activity has been poorly investigated. To explore the role of DNMT3B in mediating de novo DNA methylation at imprinted DMRs, we utilized iPSCs generated from patients with immunodeficiency, centromeric instability, facial anomalies type I (ICF1) syndrome that harbor biallelic hypomorphic DNMT3B mutations. Using a whole-genome array-based approach, we observed a gain of methylation at several imprinted loci in control iPSCs but not in ICF1 iPSCs compared to their parental fibroblasts. Moreover, in corrected ICF1 iPSCs, which restore DNMT3B enzymatic activity, imprinted DMRs did not acquire control DNA methylation levels, in contrast to the majority of the hypomethylated CpGs in the genome that were rescued in the corrected iPSC clones. Overall, our study indicates that DNMT3B is responsible for de novo methylation of a subset of imprinted DMRs during iPSC reprogramming and suggests that imprinting is unstable during a specific time window of this process, after which the epigenetic state at these regions becomes resistant to perturbation.
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Affiliation(s)
- Ankit Verma
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania “Luigi Vanvitelli”, 81100 Caserta, Italy; (A.V.); (F.C.); (E.D.)
- Institute of Genetics and Biophysics (IGB) “Adriano Buzzati-Traverso”, Consiglio Nazionale delle Ricerche (CNR), 80131 Naples, Italy; (V.P.K.); (V.L.); (M.S.)
| | - Varsha Poondi Krishnan
- Institute of Genetics and Biophysics (IGB) “Adriano Buzzati-Traverso”, Consiglio Nazionale delle Ricerche (CNR), 80131 Naples, Italy; (V.P.K.); (V.L.); (M.S.)
| | - Francesco Cecere
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania “Luigi Vanvitelli”, 81100 Caserta, Italy; (A.V.); (F.C.); (E.D.)
| | - Emilia D’Angelo
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania “Luigi Vanvitelli”, 81100 Caserta, Italy; (A.V.); (F.C.); (E.D.)
| | - Vincenzo Lullo
- Institute of Genetics and Biophysics (IGB) “Adriano Buzzati-Traverso”, Consiglio Nazionale delle Ricerche (CNR), 80131 Naples, Italy; (V.P.K.); (V.L.); (M.S.)
| | - Maria Strazzullo
- Institute of Genetics and Biophysics (IGB) “Adriano Buzzati-Traverso”, Consiglio Nazionale delle Ricerche (CNR), 80131 Naples, Italy; (V.P.K.); (V.L.); (M.S.)
| | - Sara Selig
- Department of Genetics and Developmental Biology, Rappaport Faculty of Medicine and Research Institute, Technion, Haifa 31096, Israel;
- Laboratory of Molecular Medicine, Rambam Health Care Campus, Haifa 31096, Israel
| | - Claudia Angelini
- Istituto per le Applicazioni del Calcolo “Mauro Picone”, Consiglio Nazionale delle Ricerche (CNR), 80131 Naples, Italy;
| | - Maria R. Matarazzo
- Institute of Genetics and Biophysics (IGB) “Adriano Buzzati-Traverso”, Consiglio Nazionale delle Ricerche (CNR), 80131 Naples, Italy; (V.P.K.); (V.L.); (M.S.)
| | - Andrea Riccio
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania “Luigi Vanvitelli”, 81100 Caserta, Italy; (A.V.); (F.C.); (E.D.)
- Institute of Genetics and Biophysics (IGB) “Adriano Buzzati-Traverso”, Consiglio Nazionale delle Ricerche (CNR), 80131 Naples, Italy; (V.P.K.); (V.L.); (M.S.)
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10
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Shacfe G, Turko R, Syed HH, Masoud I, Tahmaz Y, Samhan LM, Alkattan K, Shafqat A, Yaqinuddin A. A DNA Methylation Perspective on Infertility. Genes (Basel) 2023; 14:2132. [PMID: 38136954 PMCID: PMC10743303 DOI: 10.3390/genes14122132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 11/24/2023] [Accepted: 11/25/2023] [Indexed: 12/24/2023] Open
Abstract
Infertility affects a significant number of couples worldwide and its incidence is increasing. While assisted reproductive technologies (ART) have revolutionized the treatment landscape of infertility, a significant number of couples present with an idiopathic cause for their infertility, hindering effective management. Profiling the genome and transcriptome of infertile men and women has revealed abnormal gene expression. Epigenetic modifications, which comprise dynamic processes that can transduce environmental signals into gene expression changes, may explain these findings. Indeed, aberrant DNA methylation has been widely characterized as a cause of abnormal sperm and oocyte gene expression with potentially deleterious consequences on fertilization and pregnancy outcomes. This review aims to provide a concise overview of male and female infertility through the lens of DNA methylation alterations.
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Affiliation(s)
| | | | | | | | | | | | | | - Areez Shafqat
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia; (G.S.); (R.T.); (H.H.S.); (I.M.); (Y.T.); (L.M.S.); (K.A.); (A.Y.)
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11
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Tompkins JD. Transgenerational Epigenetic DNA Methylation Editing and Human Disease. Biomolecules 2023; 13:1684. [PMID: 38136557 PMCID: PMC10742326 DOI: 10.3390/biom13121684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 12/24/2023] Open
Abstract
During gestation, maternal (F0), embryonic (F1), and migrating primordial germ cell (F2) genomes can be simultaneously exposed to environmental influences. Accumulating evidence suggests that operating epi- or above the genetic DNA sequence, covalent DNA methylation (DNAme) can be recorded onto DNA in response to environmental insults, some sites which escape normal germline erasure. These appear to intrinsically regulate future disease propensity, even transgenerationally. Thus, an organism's genome can undergo epigenetic adjustment based on environmental influences experienced by prior generations. During the earliest stages of mammalian development, the three-dimensional presentation of the genome is dramatically changed, and DNAme is removed genome wide. Why, then, do some pathological DNAme patterns appear to be heritable? Are these correctable? In the following sections, I review concepts of transgenerational epigenetics and recent work towards programming transgenerational DNAme. A framework for editing heritable DNAme and challenges are discussed, and ethics in human research is introduced.
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Affiliation(s)
- Joshua D Tompkins
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, City of Hope, Duarte, CA 91010, USA
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12
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Soyer-Gobillard MO, Gaspari L, Paris F, Courtet P, Sultan C. Effects of prenatal exposure to synthetic sex hormones on neurodevelopment: a biological mechanism. Front Mol Neurosci 2023; 16:1237429. [PMID: 38025263 PMCID: PMC10666627 DOI: 10.3389/fnmol.2023.1237429] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 10/13/2023] [Indexed: 12/01/2023] Open
Abstract
Since the middle of the 20th century, synthetic sex hormones (estrogens and progestins) have been administered to millions of pregnant or not women worldwide, mainly to avoid miscarriage or for comfort, although their mode of action and their effects on the mother and fetus were ignored. Despite the alerts and the description of somatic and psychiatric disorders in children exposed in utero, synthetic estrogens were prohibited for pregnant women only in the 1970s and 1980s, but some progestins are still authorized. In this review, we summarize the psychiatric disorders described in children exposed in utero to such hormones, focusing particularly on schizophrenia, bipolar disorders, severe depression, eating disorders, suicide and suicide attempts. Moreover, only in 2017 the mechanism of action of these xenohormones has started to be deciphered. Some studies showed that in the fetus exposed in utero, they alter the DNA methylation profile (mainly hypermethylation), and consequently the expression of genes implicated in neurodevelopment and in regulating the sexual organ morphogenesis and also of the promoter of estrogen receptors, located in the amygdala. These deleterious effects may be transmitted also to the next generations, thus affecting the children directly exposed and also the following generations.
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Affiliation(s)
| | - Laura Gaspari
- Unité d’Endocrinologie-Gynécologie Pédiatrique, Service de Pédiatrie, CHU Montpellier, Univ Montpellier, Montpellier, France
- Centre de Référence Maladies Rares du Développement Génital, Constitutif Sud, Hôpital Lapeyronie, CHU Montpellier, Univ Montpellier, Montpellier, France
- INSERM 1203, Développement Embryonnaire Fertilité Environnement, Univ Montpellier, Montpellier, France
| | - Françoise Paris
- Unité d’Endocrinologie-Gynécologie Pédiatrique, Service de Pédiatrie, CHU Montpellier, Univ Montpellier, Montpellier, France
- Centre de Référence Maladies Rares du Développement Génital, Constitutif Sud, Hôpital Lapeyronie, CHU Montpellier, Univ Montpellier, Montpellier, France
- INSERM 1203, Développement Embryonnaire Fertilité Environnement, Univ Montpellier, Montpellier, France
| | - Philippe Courtet
- IGF, Univ. Montpellier, CNRS, INSERM, Montpellier, France
- Department of Emergency Psychiatry and Acute Care, Lapeyronie Hospital, CHU Montpellier, Montpellier, France
| | - Charles Sultan
- Unité d’Endocrinologie-Gynécologie Pédiatrique, Service de Pédiatrie, CHU Montpellier, Univ Montpellier, Montpellier, France
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13
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Yang H, Wang Y, Zhang Y. Characterization of H3K9me3 and DNA methylation co-marked CpG-rich regions during mouse development. BMC Genomics 2023; 24:663. [PMID: 37924034 PMCID: PMC10623782 DOI: 10.1186/s12864-023-09758-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 10/20/2023] [Indexed: 11/06/2023] Open
Abstract
BACKGROUND H3K9me3 and DNA methylation co-marked CpG-rich regions (CHMs) are functionally important in mouse pre-implantation embryos, but their characteristics in other biological processes are still largely unknown. RESULTS In this study, we performed a comprehensive analysis to characterize CHMs during 6 mouse developmental processes, identifying over 2,600 CHMs exhibiting stable co-mark of H3K9me3 and DNA methylation patterns at CpG-rich regions. We revealed the distinctive features of CHMs, including elevated H3K9me3 signals and a significant presence in euchromatin and the potential role in silencing younger long terminal repeats (LTRs), especially in some ERVK subfamilies. The results highlight the distinct nature of universal CHMs compared to CpG-rich nonCHMs in terms of location, LTR enrichment, and DNA sequence features, enhancing our understanding of CpG-rich regions' regulatory roles. CONCLUSIONS This study characterizes the features of CHMs in multiple developmental processes and broadens our understanding of the regulatory roles of CpG-rich regions.
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Affiliation(s)
- Hui Yang
- Institute for Regenerative Medicine, Department of Neurosurgery, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200092, China
| | - Yiman Wang
- Institute for Regenerative Medicine, Department of Neurosurgery, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200092, China
| | - Yong Zhang
- Institute for Regenerative Medicine, Department of Neurosurgery, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200092, China.
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14
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Rosspopoff O, Trono D. Take a walk on the KRAB side. Trends Genet 2023; 39:844-857. [PMID: 37716846 DOI: 10.1016/j.tig.2023.08.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 08/18/2023] [Accepted: 08/18/2023] [Indexed: 09/18/2023]
Abstract
Canonical Krüppel-associated box (KRAB)-containing zinc finger proteins (KZFPs) act as major repressors of transposable elements (TEs) via the KRAB-mediated recruitment of the heterochromatin scaffold KRAB-associated protein (KAP)1. KZFP genes emerged some 420 million years ago in the last common ancestor of coelacanth, lungfish, and tetrapods, and dramatically expanded to give rise to lineage-specific repertoires in contemporary species paralleling their TE load and turnover. However, the KRAB domain displays sequence and function variations that reveal repeated diversions from a linear TE-KZFP trajectory. This Review summarizes current knowledge on the evolution of KZFPs and discusses how ancestral noncanonical KZFPs endowed with variant KRAB, SCAN or DUF3669 domains have been utilized to achieve KAP1-independent functions.
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Affiliation(s)
- Olga Rosspopoff
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Didier Trono
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
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15
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Farmiloe G, van Bree EJ, Robben SF, Janssen LJM, Mol L, Jacobs FMJ. Structural Evolution of Gene Promoters Driven by Primate-Specific KRAB Zinc Finger Proteins. Genome Biol Evol 2023; 15:evad184. [PMID: 37847041 PMCID: PMC10653712 DOI: 10.1093/gbe/evad184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 09/26/2023] [Accepted: 10/09/2023] [Indexed: 10/18/2023] Open
Abstract
Krüppel-associated box (KRAB) zinc finger proteins (KZNFs) recognize and repress transposable elements (TEs); TEs are DNA elements that are capable of replicating themselves throughout our genomes with potentially harmful consequences. However, genes from this family of transcription factors have a much wider potential for genomic regulation. KZNFs have become integrated into gene-regulatory networks through the control of TEs that function as enhancers and gene promoters; some KZNFs also bind directly to gene promoters, suggesting an additional, more direct layer of KZNF co-option into gene-regulatory networks. Binding site analysis of ZNF519, ZNF441, and ZNF468 suggests the structural evolution of KZNFs to recognize TEs can result in coincidental binding to gene promoters independent of TE sequences. We show a higher rate of sequence turnover in gene promoter KZNF binding sites than neighboring regions, implying a selective pressure is being applied by the binding of a KZNF. Through CRISPR/Cas9 mediated genetic deletion of ZNF519, ZNF441, and ZNF468, we provide further evidence for genome-wide co-option of the KZNF-mediated gene-regulatory functions; KZNF knockout leads to changes in expression of KZNF-bound genes in neuronal lineages. Finally, we show that the opposite can be established upon KZNF overexpression, further strengthening the support for the role of KZNFs as bona-fide gene regulators. With no eminent role for ZNF519 in controlling its TE target, our study may provide a snapshot into the early stages of the completed co-option of a KZNF, showing the lasting, multilayered impact that retrovirus invasions and host response mechanisms can have upon the evolution of our genomes.
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Affiliation(s)
- Grace Farmiloe
- Swammerdam Institute for Life Sciences, Evolutionary Neurogenomics, University of Amsterdam, Amsterdam, The Netherlands
- Complex Trait Genetics, Amsterdam Neuroscience, Amsterdam, The Netherlands
| | - Elisabeth J van Bree
- Swammerdam Institute for Life Sciences, Evolutionary Neurogenomics, University of Amsterdam, Amsterdam, The Netherlands
- Complex Trait Genetics, Amsterdam Neuroscience, Amsterdam, The Netherlands
| | - Stijn F Robben
- Swammerdam Institute for Life Sciences, Evolutionary Neurogenomics, University of Amsterdam, Amsterdam, The Netherlands
| | - Lara J M Janssen
- Swammerdam Institute for Life Sciences, Evolutionary Neurogenomics, University of Amsterdam, Amsterdam, The Netherlands
| | - Lisa Mol
- Swammerdam Institute for Life Sciences, Evolutionary Neurogenomics, University of Amsterdam, Amsterdam, The Netherlands
| | - Frank M J Jacobs
- Swammerdam Institute for Life Sciences, Evolutionary Neurogenomics, University of Amsterdam, Amsterdam, The Netherlands
- Complex Trait Genetics, Amsterdam Neuroscience, Amsterdam, The Netherlands
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16
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Osipov YA, Posukh OV, Kalashnikova DA, Antoshina PA, Laktionov PP, Skrypnik PA, Belyakin SN, Singh PB. H3K9 and H4K20 methyltransferases are directly involved in the heterochromatinization of the paternal chromosomes in male Planococcus citri embryos. Chromosoma 2023; 132:317-328. [PMID: 37700063 DOI: 10.1007/s00412-023-00809-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 08/11/2023] [Accepted: 08/30/2023] [Indexed: 09/14/2023]
Abstract
Using a new method for bulk preparation of early stage embryos, we have investigated the role played by putative Planococcus citri H3K9 and H4K20 histone methyl transferases (HMTases) in regulating heterochromatinization of the imprinted paternal chromosomal set in male embryos. We found that H3K9 and H420 HMTases are required for heterochromatinization of the paternal chromosomes. We present evidence that both HMTases maintain the paternal "imprint" during the cleavage divisions when both parental chromosome sets are euchromatic. A testable model that accommodates our findings is proposed.
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Affiliation(s)
- Yakov A Osipov
- Epigenetics Laboratory, Department of Natural Sciences, Novosibirsk State University, Pirogov Str. 2, Novosibirsk, 630090, Russian Federation
- Institute of Molecular and Cellular Biology SD RAS, Lavrentyev Ave., 8/2, 630090, Novosibirsk, Russian Federation
| | - Olga V Posukh
- Epigenetics Laboratory, Department of Natural Sciences, Novosibirsk State University, Pirogov Str. 2, Novosibirsk, 630090, Russian Federation
- Institute of Molecular and Cellular Biology SD RAS, Lavrentyev Ave., 8/2, 630090, Novosibirsk, Russian Federation
| | - Darya A Kalashnikova
- Epigenetics Laboratory, Department of Natural Sciences, Novosibirsk State University, Pirogov Str. 2, Novosibirsk, 630090, Russian Federation
- Institute of Molecular and Cellular Biology SD RAS, Lavrentyev Ave., 8/2, 630090, Novosibirsk, Russian Federation
| | - Polina A Antoshina
- Epigenetics Laboratory, Department of Natural Sciences, Novosibirsk State University, Pirogov Str. 2, Novosibirsk, 630090, Russian Federation
- Institute of Molecular and Cellular Biology SD RAS, Lavrentyev Ave., 8/2, 630090, Novosibirsk, Russian Federation
| | - Petr P Laktionov
- Epigenetics Laboratory, Department of Natural Sciences, Novosibirsk State University, Pirogov Str. 2, Novosibirsk, 630090, Russian Federation
- Institute of Molecular and Cellular Biology SD RAS, Lavrentyev Ave., 8/2, 630090, Novosibirsk, Russian Federation
| | - Polina A Skrypnik
- Epigenetics Laboratory, Department of Natural Sciences, Novosibirsk State University, Pirogov Str. 2, Novosibirsk, 630090, Russian Federation
- Institute of Molecular and Cellular Biology SD RAS, Lavrentyev Ave., 8/2, 630090, Novosibirsk, Russian Federation
| | - Stepan N Belyakin
- Epigenetics Laboratory, Department of Natural Sciences, Novosibirsk State University, Pirogov Str. 2, Novosibirsk, 630090, Russian Federation.
| | - Prim B Singh
- Epigenetics Laboratory, Department of Natural Sciences, Novosibirsk State University, Pirogov Str. 2, Novosibirsk, 630090, Russian Federation.
- Nazarbayev University School of Medicine, 5/1 Kerei, Zhanibek Khandar Street, 010000, Nur-Sultan, Kazakhstan.
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17
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Davis KN, Qu PP, Ma S, Lin L, Plastini M, Dahl N, Plazzi G, Pizza F, O’Hara R, Wong WH, Hallmayer J, Mignot E, Zhang X, Urban AE. Mutations in human DNA methyltransferase DNMT1 induce specific genome-wide epigenomic and transcriptomic changes in neurodevelopment. Hum Mol Genet 2023; 32:3105-3120. [PMID: 37584462 PMCID: PMC10586194 DOI: 10.1093/hmg/ddad123] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/23/2023] [Accepted: 07/05/2023] [Indexed: 08/17/2023] Open
Abstract
DNA methyltransferase type 1 (DNMT1) is a major enzyme involved in maintaining the methylation pattern after DNA replication. Mutations in DNMT1 have been associated with autosomal dominant cerebellar ataxia, deafness and narcolepsy (ADCA-DN). We used fibroblasts, induced pluripotent stem cells (iPSCs) and induced neurons (iNs) generated from patients with ADCA-DN and controls, to explore the epigenomic and transcriptomic effects of mutations in DNMT1. We show cell type-specific changes in gene expression and DNA methylation patterns. DNA methylation and gene expression changes were negatively correlated in iPSCs and iNs. In addition, we identified a group of genes associated with clinical phenotypes of ADCA-DN, including PDGFB and PRDM8 for cerebellar ataxia, psychosis and dementia and NR2F1 for deafness and optic atrophy. Furthermore, ZFP57, which is required to maintain gene imprinting through DNA methylation during early development, was hypomethylated in promoters and exhibited upregulated expression in patients with ADCA-DN in both iPSC and iNs. Our results provide insight into the functions of DNMT1 and the molecular changes associated with ADCA-DN, with potential implications for genes associated with related phenotypes.
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Affiliation(s)
- Kasey N Davis
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA 94304, USA
- Department of Genetics, Stanford University School of Medicine, Palo Alto CA 94304, USA
| | - Ping-Ping Qu
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA 94304, USA
- Department of Genetics, Stanford University School of Medicine, Palo Alto CA 94304, USA
| | - Shining Ma
- Department of Statistics, Stanford University, Stanford, CA 94305, USA
| | - Ling Lin
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA 94304, USA
- Center for Narcolepsy, Stanford University School of Medicine, Palo Alto, CA 94304, USA
| | - Melanie Plastini
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA 94304, USA
- Department of Genetics, Stanford University School of Medicine, Palo Alto CA 94304, USA
| | - Niklas Dahl
- Department of Immunology, Genetics and Pathology Sciences for Life Laboratory, Uppsala University BMC, Uppsala 75122, Sweden
| | - Giuseppe Plazzi
- IRCCS—Istituto delle Scienze Neurologiche di Bologna, Bologna 40139, Italy
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena 41125, Italy
| | - Fabio Pizza
- IRCCS—Istituto delle Scienze Neurologiche di Bologna, Bologna 40139, Italy
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna 40126, Italy
| | - Ruth O’Hara
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA 94304, USA
| | - Wing Hung Wong
- Department of Statistics, Stanford University, Stanford, CA 94305, USA
- Department of Biomedical Data Science, Stanford University School of Medicine, Palo Alto, CA 94304, USA
| | - Joachim Hallmayer
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA 94304, USA
| | - Emmanuel Mignot
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA 94304, USA
- Center for Narcolepsy, Stanford University School of Medicine, Palo Alto, CA 94304, USA
| | - Xianglong Zhang
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA 94304, USA
- Department of Genetics, Stanford University School of Medicine, Palo Alto CA 94304, USA
| | - Alexander E Urban
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA 94304, USA
- Department of Genetics, Stanford University School of Medicine, Palo Alto CA 94304, USA
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18
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Zhang G, Mao Y, Zhang Y, Huang H, Pan J. Assisted reproductive technology and imprinting errors: analyzing underlying mechanisms from epigenetic regulation. HUM FERTIL 2023; 26:864-878. [PMID: 37929309 DOI: 10.1080/14647273.2023.2261628] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 08/11/2023] [Indexed: 11/07/2023]
Abstract
With the increasing maturity and widespread application of assisted reproductive technology (ART), more attention has been paid to the health outcomes of offspring following ART. It is well established that children born from ART treatment are at an increased risk of imprinting errors and imprinting disorders. The disturbances of genetic imprinting are attributed to the overlap of ART procedures and important epigenetic reprogramming events during the development of gametes and early embryos, but the detailed mechanisms are hitherto obscure. In this review, we summarized the DNA methylation-dependent and independent mechanisms that control the dynamic epigenetic regulation of imprinted genes throughout the life cycle of a mammal, including erasure, establishment, and maintenance. In addition, we systematically described the dysregulation of imprinted genes in embryos conceived through ART and discussed the corresponding underlying mechanisms according to findings in animal models. This work is conducive to evaluating and improving the safety of ART.
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Affiliation(s)
- Gaochen Zhang
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China
- Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China
| | - Yiting Mao
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China
| | - Yu Zhang
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China
| | - Hefeng Huang
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China
- Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China
- Key Laboratory of Reproductive Genetics (Ministry of Education), Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiexue Pan
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China
- Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China
- Key Laboratory of Reproductive Genetics (Ministry of Education), Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
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19
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Panzeri I, Fagnocchi L, Apostle S, Tompkins M, Wolfrum E, Madaj Z, Hostetter G, Liu Y, Schaefer K, Chih-Hsiang Y, Bergsma A, Drougard A, Dror E, Chandler D, Schramek D, Triche TJ, Pospisilik JA. Developmental priming of cancer susceptibility. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.12.557446. [PMID: 37745326 PMCID: PMC10515831 DOI: 10.1101/2023.09.12.557446] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
DNA mutations are necessary drivers of cancer, yet only a small subset of mutated cells go on to cause the disease. To date, the mechanisms that determine which rare subset of cells transform and initiate tumorigenesis remain unclear. Here, we take advantage of a unique model of intrinsic developmental heterogeneity (Trim28+/D9) and demonstrate that stochastic early life epigenetic variation can trigger distinct cancer-susceptibility 'states' in adulthood. We show that these developmentally primed states are characterized by differential methylation patterns at typically silenced heterochromatin, and that these epigenetic signatures are detectable as early as 10 days of age. The differentially methylated loci are enriched for genes with known oncogenic potential. These same genes are frequently mutated in human cancers, and their dysregulation correlates with poor prognosis. These results provide proof-of-concept that intrinsic developmental heterogeneity can prime individual, life-long cancer risk.
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Affiliation(s)
- Ilaria Panzeri
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
- Department of Epigenetics, Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Luca Fagnocchi
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
| | - Stefanos Apostle
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
| | - Megan Tompkins
- Vivarium and Transgenics Core, Van Andel Institute, Grand Rapids, MI, USA
| | - Emily Wolfrum
- Bioinformatics and Biostatistics Core, Van Andel Institute, Grand Rapids, MI, USA
| | - Zachary Madaj
- Bioinformatics and Biostatistics Core, Van Andel Institute, Grand Rapids, MI, USA
| | - Galen Hostetter
- Pathology and Biorepository Core, Van Andel Institute, Grand Rapids, MI, USA
| | - Yanqing Liu
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
| | - Kristen Schaefer
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
- Department of Genetics and Genome Science, Case Western Reserve University, Cleveland, Ohio, USA
| | - Yang Chih-Hsiang
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
- Department of Epigenetics, Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
- Department of Biochemistry and Molecular Biotechnology, University of Massachusetts Chan Medical School, Worcester, MA USA
| | - Alexis Bergsma
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
- Parkinson’s Disease Center, Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, MI, USA
| | - Anne Drougard
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
| | - Erez Dror
- Department of Epigenetics, Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | | | - Darrell Chandler
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
| | - Daniel Schramek
- Centre for Molecular and Systems Biology, Lunenfeld-Tanenbaum Research Institute, Toronto, ON, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Timothy J. Triche
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
| | - J. Andrew Pospisilik
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
- Department of Epigenetics, Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
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20
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Liao J, Song S, Gusscott S, Fu Z, VanderKolk I, Busscher BM, Lau KH, Brind’Amour J, Szabó PE. Establishment of paternal methylation imprint at the H19/Igf2 imprinting control region. SCIENCE ADVANCES 2023; 9:eadi2050. [PMID: 37672574 PMCID: PMC10482337 DOI: 10.1126/sciadv.adi2050] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 08/02/2023] [Indexed: 09/08/2023]
Abstract
The insulator model explains the workings of the H19 and Igf2 imprinted domain in the soma, where insulation of the Igf2 promoter from its enhancers occurs by CTCF in the maternally inherited unmethylated chromosome but not the paternally inherited methylated allele. The molecular mechanism that targets paternal methylation imprint establishment to the imprinting control region (ICR) in the male germline is unknown. We tested the function of prospermatogonia-specific broad low-level transcription in this process using mouse genetics. Paternal imprint establishment was abnormal when transcription was stopped at the entry point to the ICR. The germline epimutation persisted into the paternal allele of the soma, resulting in reduced Igf2 in fetal organs and reduced fetal growth, consistent with the insulator model and insulin-like growth factor 2 (IGF2)'s role as fetal growth factor. These results collectively support the role of broad low-level transcription through the H19/Igf2 ICR in the establishment of its paternal methylation imprint in the male germ line, with implications for Silver-Russell syndrome.
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Affiliation(s)
- Ji Liao
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Sangmin Song
- Division of Molecular and Cellular Biology, City of Hope Cancer Center, Duarte, CA 91010, USA
| | - Samuel Gusscott
- Département de Biomédecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec J2S, Canada
| | - Zhen Fu
- Bioinformatics and Biostatistics Core, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Ivan VanderKolk
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI 49503, USA
| | | | - Kin H. Lau
- Bioinformatics and Biostatistics Core, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Julie Brind’Amour
- Département de Biomédecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec J2S, Canada
| | - Piroska E. Szabó
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI 49503, USA
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21
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Matsuzaki H, Takahashi T, Kuramochi D, Hirakawa K, Tanimoto K. Five nucleotides found in RCTG motifs are essential for post-fertilization methylation imprinting of the H19 ICR in YAC transgenic mice. Nucleic Acids Res 2023; 51:7236-7253. [PMID: 37334871 PMCID: PMC10415150 DOI: 10.1093/nar/gkad516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 06/02/2023] [Indexed: 06/21/2023] Open
Abstract
Genomic imprinting at the mouse Igf2/H19 locus is controlled by the H19 ICR, within which paternal allele-specific DNA methylation originating in sperm is maintained throughout development in offspring. We previously found that a 2.9 kb transgenic H19 ICR fragment in mice can be methylated de novo after fertilization only when paternally inherited, despite its unmethylated state in sperm. When the 118 bp sequence responsible for this methylation in transgenic mice was deleted from the endogenous H19 ICR, the methylation level of its paternal allele was significantly reduced after fertilization, suggesting the activity involving this 118 bp sequence is required for methylation maintenance at the endogenous locus. Here, we determined protein binding to the 118 bp sequence using an in vitro binding assay and inferred the binding motif to be RCTG by using a series of mutant competitors. Furthermore, we generated H19 ICR transgenic mice with a 5-bp substitution mutation that disrupts the RCTG motifs within the 118 bp sequence, and observed loss of methylation from the paternally inherited transgene. These results indicate that imprinted methylation of the H19 ICR established de novo during the post-fertilization period involves binding of specific factors to distinct sequence motifs within the 118 bp sequence.
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Affiliation(s)
- Hitomi Matsuzaki
- Faculty of Life and Environmental Sciences, Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Takuya Takahashi
- Graduate school of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Daichi Kuramochi
- Graduate school of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Katsuhiko Hirakawa
- Graduate school of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Keiji Tanimoto
- Faculty of Life and Environmental Sciences, Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
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22
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Pignata L, Cecere F, Acquaviva F, D’Angelo E, Cioffi D, Pellino V, Palumbo O, Palumbo P, Carella M, Sparago A, De Brasi D, Cerrato F, Riccio A. Co-occurrence of Beckwith-Wiedemann syndrome and pseudohypoparathyroidism type 1B: coincidence or common molecular mechanism? Front Cell Dev Biol 2023; 11:1237629. [PMID: 37635873 PMCID: PMC10448386 DOI: 10.3389/fcell.2023.1237629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 07/31/2023] [Indexed: 08/29/2023] Open
Abstract
Imprinting disorders are congenital diseases caused by dysregulation of genomic imprinting, affecting growth, neurocognitive development, metabolism and cancer predisposition. Overlapping clinical features are often observed among this group of diseases. In rare cases, two fully expressed imprinting disorders may coexist in the same patient. A dozen cases of this type have been reported so far. Most of them are represented by individuals affected by Beckwith-Wiedemann spectrum (BWSp) and Transient Neonatal Diabetes Mellitus (TNDM) or BWSp and Pseudo-hypoparathyroidism type 1B (PHP1B). All these patients displayed Multilocus imprinting disturbances (MLID). Here, we report the first case of co-occurrence of BWS and PHP1B in the same individual in absence of MLID. Genome-wide methylation and SNP-array analyses demonstrated loss of methylation of the KCNQ1OT1:TSS-DMR on chromosome 11p15.5 as molecular cause of BWSp, and upd(20)pat as cause of PHP1B. The absence of MLID and the heterodisomy of chromosome 20 suggests that BWSp and PHP1B arose through distinct and independent mechanism in our patient. However, we cannot exclude that the rare combination of the epigenetic defect on chromosome 11 and the UPD on chromosome 20 may originate from a common so far undetermined predisposing molecular lesion. A better comprehension of the molecular mechanisms underlying the co-occurrence of two imprinting disorders will improve genetic counselling and estimate of familial recurrence risk of these rare cases. Furthermore, our study also supports the importance of multilocus molecular testing for revealing MLID as well as complex cases of imprinting disorders.
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Affiliation(s)
- Laura Pignata
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania “Luigi Vanvitelli”, Caserta, Italy
| | - Francesco Cecere
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania “Luigi Vanvitelli”, Caserta, Italy
| | - Fabio Acquaviva
- UOSD Genetica Medica, Dipartimento di Pediatria Generale e d’Urgenza, AORN Santobono-Pausilipon, Naples, Italy
| | - Emilia D’Angelo
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania “Luigi Vanvitelli”, Caserta, Italy
| | - Daniela Cioffi
- UOSD Auxologia e Endocrinologia Pediatrica, Dipartimento di Pediatria Specialistica, AORN Santobono-Pausilipon, Naples, Italy
| | - Valeria Pellino
- UOSD Auxologia e Endocrinologia Pediatrica, Dipartimento di Pediatria Specialistica, AORN Santobono-Pausilipon, Naples, Italy
| | - Orazio Palumbo
- Division of Medical Genetics, Fondazione IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo, Italy
| | - Pietro Palumbo
- Division of Medical Genetics, Fondazione IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo, Italy
| | - Massimo Carella
- Division of Medical Genetics, Fondazione IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo, Italy
| | - Angela Sparago
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania “Luigi Vanvitelli”, Caserta, Italy
| | - Daniele De Brasi
- UOSD Genetica Medica, Dipartimento di Pediatria Generale e d’Urgenza, AORN Santobono-Pausilipon, Naples, Italy
| | - Flavia Cerrato
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania “Luigi Vanvitelli”, Caserta, Italy
| | - Andrea Riccio
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università degli Studi della Campania “Luigi Vanvitelli”, Caserta, Italy
- Istituto di Genetica e Biofisica “Adriano Buzzati Traverso” Consiglio Nazionale delle Ricerche, Naples, Italy
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23
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de Tribolet-Hardy J, Thorball CW, Forey R, Planet E, Duc J, Coudray A, Khubieh B, Offner S, Pulver C, Fellay J, Imbeault M, Turelli P, Trono D. Genetic features and genomic targets of human KRAB-zinc finger proteins. Genome Res 2023; 33:1409-1423. [PMID: 37730438 PMCID: PMC10547255 DOI: 10.1101/gr.277722.123] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 07/18/2023] [Indexed: 09/22/2023]
Abstract
Krüppel-associated box (KRAB) domain-containing zinc finger proteins (KZFPs) are one of the largest groups of transcription factors encoded by tetrapods, with 378 members in human alone. KZFP genes are often grouped in clusters reflecting amplification by gene and segment duplication since the gene family first emerged more than 400 million years ago. Previous work has revealed that many KZFPs recognize transposable element (TE)-embedded sequences as genomic targets, and that KZFPs facilitate the co-option of the regulatory potential of TEs for the benefit of the host. Here, we present a comprehensive survey of the genetic features and genomic targets of human KZFPs, notably completing past analyses by adding data on close to a hundred family members. General principles emerge from our study of the TE-KZFP regulatory system, which point to multipronged evolutionary mechanisms underlaid by highly complex and combinatorial modes of action with strong influences on human speciation.
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Affiliation(s)
- Jonas de Tribolet-Hardy
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Christian W Thorball
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Romain Forey
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Evarist Planet
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Julien Duc
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Alexandre Coudray
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Bara Khubieh
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Sandra Offner
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Cyril Pulver
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Jacques Fellay
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
- Precision Medicine Unit, Lausanne University Hospital (CHUV) and University of Lausanne, 1010 Lausanne, Switzerland
| | - Michael Imbeault
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Priscilla Turelli
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Didier Trono
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland;
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24
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Uehara R, Au Yeung WK, Toriyama K, Ohishi H, Kubo N, Toh H, Suetake I, Shirane K, Sasaki H. The DNMT3A ADD domain is required for efficient de novo DNA methylation and maternal imprinting in mouse oocytes. PLoS Genet 2023; 19:e1010855. [PMID: 37527244 PMCID: PMC10393158 DOI: 10.1371/journal.pgen.1010855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 07/03/2023] [Indexed: 08/03/2023] Open
Abstract
Establishment of a proper DNA methylation landscape in mammalian oocytes is important for maternal imprinting and embryonic development. De novo DNA methylation in oocytes is mediated by the DNA methyltransferase DNMT3A, which has an ATRX-DNMT3-DNMT3L (ADD) domain that interacts with histone H3 tail unmethylated at lysine-4 (H3K4me0). The domain normally blocks the methyltransferase domain via intramolecular interaction and binding to histone H3K4me0 releases the autoinhibition. However, H3K4me0 is widespread in chromatin and the role of the ADD-histone interaction has not been studied in vivo. We herein show that amino-acid substitutions in the ADD domain of mouse DNMT3A cause dwarfism. Oocytes derived from homozygous females show mosaic loss of CG methylation and almost complete loss of non-CG methylation. Embryos derived from such oocytes die in mid-to-late gestation, with stochastic and often all-or-none-type CG-methylation loss at imprinting control regions and misexpression of the linked genes. The stochastic loss is a two-step process, with loss occurring in cleavage-stage embryos and regaining occurring after implantation. These results highlight an important role for the ADD domain in efficient, and likely processive, de novo CG methylation and pose a model for stochastic inheritance of epigenetic perturbations in germ cells to the next generation.
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Affiliation(s)
- Ryuji Uehara
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Wan Kin Au Yeung
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Keisuke Toriyama
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Hiroaki Ohishi
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
- Division of Gene Expression Dynamics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Naoki Kubo
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Hidehiro Toh
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
- Advanced Genomics Center, National Institute of Genetics, Mishima, Japan
| | - Isao Suetake
- Department of Nutrition Science, Nakamura Gakuen University, Fukuoka, Japan
| | - Kenjiro Shirane
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
- Department of Genome Biology, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Hiroyuki Sasaki
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
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25
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Singh A, Rappolee DA, Ruden DM. Epigenetic Reprogramming in Mice and Humans: From Fertilization to Primordial Germ Cell Development. Cells 2023; 12:1874. [PMID: 37508536 PMCID: PMC10377882 DOI: 10.3390/cells12141874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
In this review, advances in the understanding of epigenetic reprogramming from fertilization to the development of primordial germline cells in a mouse and human embryo are discussed. To gain insights into the molecular underpinnings of various diseases, it is essential to comprehend the intricate interplay between genetic, epigenetic, and environmental factors during cellular reprogramming and embryonic differentiation. An increasing range of diseases, including cancer and developmental disorders, have been linked to alterations in DNA methylation and histone modifications. Global epigenetic reprogramming occurs in mammals at two stages: post-fertilization and during the development of primordial germ cells (PGC). Epigenetic reprogramming after fertilization involves rapid demethylation of the paternal genome mediated through active and passive DNA demethylation, and gradual demethylation in the maternal genome through passive DNA demethylation. The de novo DNA methyltransferase enzymes, Dnmt3a and Dnmt3b, restore DNA methylation beginning from the blastocyst stage until the formation of the gastrula, and DNA maintenance methyltransferase, Dnmt1, maintains methylation in the somatic cells. The PGC undergo a second round of global demethylation after allocation during the formative pluripotent stage before gastrulation, where the imprints and the methylation marks on the transposable elements known as retrotransposons, including long interspersed nuclear elements (LINE-1) and intracisternal A-particle (IAP) elements are demethylated as well. Finally, DNA methylation is restored in the PGC at the implantation stage including sex-specific imprints corresponding to the sex of the embryo. This review introduces a novel perspective by uncovering how toxicants and stress stimuli impact the critical period of allocation during formative pluripotency, potentially influencing both the quantity and quality of PGCs. Furthermore, the comprehensive comparison of epigenetic events between mice and humans breaks new ground, empowering researchers to make informed decisions regarding the suitability of mouse models for their experiments.
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Affiliation(s)
- Aditi Singh
- CS Mott Center, Department of Obstetrics and Gynecology, Wayne State University, Detroit, MI 48202, USA; (A.S.); (D.A.R.)
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI 48202, USA
| | - Daniel A. Rappolee
- CS Mott Center, Department of Obstetrics and Gynecology, Wayne State University, Detroit, MI 48202, USA; (A.S.); (D.A.R.)
- Reproductive Stress Measurement, Mechanisms and Management, Corp., 135 Lake Shore Rd., Grosse Pointe Farms, MI 48236, USA
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI 48202, USA
- Department of Physiology, Wayne State University, Detroit, MI 48202, USA
| | - Douglas M. Ruden
- CS Mott Center, Department of Obstetrics and Gynecology, Wayne State University, Detroit, MI 48202, USA; (A.S.); (D.A.R.)
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI 48202, USA
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI 48202, USA
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26
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Sainty R, Silver MJ, Prentice AM, Monk D. The influence of early environment and micronutrient availability on developmental epigenetic programming: lessons from the placenta. Front Cell Dev Biol 2023; 11:1212199. [PMID: 37484911 PMCID: PMC10358779 DOI: 10.3389/fcell.2023.1212199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 06/27/2023] [Indexed: 07/25/2023] Open
Abstract
DNA methylation is the most commonly studied epigenetic mark in humans, as it is well recognised as a stable, heritable mark that can affect genome function and influence gene expression. Somatic DNA methylation patterns that can persist throughout life are established shortly after fertilisation when the majority of epigenetic marks, including DNA methylation, are erased from the pre-implantation embryo. Therefore, the period around conception is potentially critical for influencing DNA methylation, including methylation at imprinted alleles and metastable epialleles (MEs), loci where methylation varies between individuals but is correlated across tissues. Exposures before and during conception can affect pregnancy outcomes and health throughout life. Retrospective studies of the survivors of famines, such as those exposed to the Dutch Hunger Winter of 1944-45, have linked exposures around conception to later disease outcomes, some of which correlate with DNA methylation changes at certain genes. Animal models have shown more directly that DNA methylation can be affected by dietary supplements that act as cofactors in one-carbon metabolism, and in humans, methylation at birth has been associated with peri-conceptional micronutrient supplementation. However, directly showing a role of micronutrients in shaping the epigenome has proven difficult. Recently, the placenta, a tissue with a unique hypomethylated methylome, has been shown to possess great inter-individual variability, which we highlight as a promising target tissue for studying MEs and mixed environmental exposures. The placenta has a critical role shaping the health of the fetus. Placenta-associated pregnancy complications, such as preeclampsia and intrauterine growth restriction, are all associated with aberrant patterns of DNA methylation and expression which are only now being linked to disease risk later in life.
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Affiliation(s)
- Rebecca Sainty
- Biomedical Research Centre, School of Biological Sciences, University of East Anglia, Norwich, United Kingdom
| | - Matt J. Silver
- Medical Research Council Unit The Gambia at London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Andrew M. Prentice
- Medical Research Council Unit The Gambia at London School of Hygiene and Tropical Medicine, Banjul, Gambia
| | - David Monk
- Biomedical Research Centre, School of Biological Sciences, University of East Anglia, Norwich, United Kingdom
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27
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Eggermann T, Monk D, de Nanclares GP, Kagami M, Giabicani E, Riccio A, Tümer Z, Kalish JM, Tauber M, Duis J, Weksberg R, Maher ER, Begemann M, Elbracht M. Imprinting disorders. Nat Rev Dis Primers 2023; 9:33. [PMID: 37386011 DOI: 10.1038/s41572-023-00443-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/19/2023] [Indexed: 07/01/2023]
Abstract
Imprinting disorders (ImpDis) are congenital conditions that are characterized by disturbances of genomic imprinting. The most common individual ImpDis are Prader-Willi syndrome, Angelman syndrome and Beckwith-Wiedemann syndrome. Individual ImpDis have similar clinical features, such as growth disturbances and developmental delay, but the disorders are heterogeneous and the key clinical manifestations are often non-specific, rendering diagnosis difficult. Four types of genomic and imprinting defect (ImpDef) affecting differentially methylated regions (DMRs) can cause ImpDis. These defects affect the monoallelic and parent-of-origin-specific expression of imprinted genes. The regulation within DMRs as well as their functional consequences are mainly unknown, but functional cross-talk between imprinted genes and functional pathways has been identified, giving insight into the pathophysiology of ImpDefs. Treatment of ImpDis is symptomatic. Targeted therapies are lacking owing to the rarity of these disorders; however, personalized treatments are in development. Understanding the underlying mechanisms of ImpDis, and improving diagnosis and treatment of these disorders, requires a multidisciplinary approach with input from patient representatives.
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Affiliation(s)
- Thomas Eggermann
- Institute for Human Genetics and Genomic Medicine, Medical Faculty, RWTH Aachen University, Aachen, Germany.
| | - David Monk
- School of Biological Sciences, University of East Anglia, Norwich, UK
| | - Guiomar Perez de Nanclares
- Rare Diseases Research Group, Molecular (Epi)Genetics Laboratory, Bioaraba Research Health Institute, Araba University Hospital-Txagorritxu, Vitoria-Gasteiz, Spain
| | - Masayo Kagami
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Eloïse Giabicani
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, APHP, Hôpital Armand Trousseau, Endocrinologie Moléculaire et Pathologies d'Empreinte, Paris, France
| | - Andrea Riccio
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Università della Campania Luigi Vanvitelli, Caserta, Italy
- Institute of Genetics and Biophysics A. Buzzati-Traverso, CNR, Naples, Italy
| | - Zeynep Tümer
- Kennedy Center, Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jennifer M Kalish
- Division of Human Genetics and Center for Childhood Cancer Research, Children's Hospital of Philadelphia and the Departments of Pediatrics and Genetics at the Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Maithé Tauber
- Centre de Référence Maladies Rares PRADORT (syndrome de PRADer-Willi et autres Obésités Rares avec Troubles du comportement alimentaire), Hôpital des Enfants, CHU Toulouse, Toulouse, France
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity) INSERM UMR1291 - CNRS UMR5051 - Université Toulouse III, Toulouse, France
| | - Jessica Duis
- Department of Pediatrics, Children's Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Rosanna Weksberg
- Division of Clinical and Metabolic Genetics, Department of Paediatrics and Genetics and Genome Biology Program, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada
- Institute of Medical Sciences and Department of Molecular Genetics, University of Toronto, Toronto, Canada
| | - Eamonn R Maher
- Department of Medical Genetics, University of Cambridge, Cambridge, UK
| | - Matthias Begemann
- Institute for Human Genetics and Genomic Medicine, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Miriam Elbracht
- Institute for Human Genetics and Genomic Medicine, Medical Faculty, RWTH Aachen University, Aachen, Germany
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28
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Dong X, Zhang Y, Sun Y, Nan Q, Li M, Ma L, Zhang L, Luo J, Qi Y, Miao Y. Promoter hypermethylation and comprehensive regulation of ncRNA lead to the down-regulation of ZNF880, providing a new insight for the therapeutics and research of colorectal cancer. BMC Med Genomics 2023; 16:148. [PMID: 37370088 PMCID: PMC10294494 DOI: 10.1186/s12920-023-01571-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
The human genome encodes more than 350 kinds of Krüppel-associated box (KRAB) domain-containing zinc-finger proteins (KZFPs), KRAB-type ZNF transcription factor family (KZNF) plays a vital role in gene regulatory networks. The KZNF family members include a large number of highly homologous genes, gene subtypes and pseudogenes, and their expression has a high degree of tissue specificity and precision. Due to the high complexity of its regulatory network, the KZNF gene family has not been researched in sufficient, and the role of its members in the occurrence of cancer is mostly unexplored. In this study, ZNF880 was significantly associated with overall survival (OS) and disease-free survival (DFS) in colorectal carcinoma (CRC) patients. Low ZNF880 expression resulted in shorter OS and DFS. Combined with Colon adenocarcinoma (COAD) and Rectum adenocarcinoma (READ) data collection in the TCGA database, we found that ZNF880 was significantly down-regulated in CRC. Further analysis of the sequence variation of ZNF880 in CRC showed that ZNF880 accumulated a large number of SNV in the C2H2 domain and KRAB domain, while promoter region of ZNF880 also showed high methylation in COAD and READ. Combined with the Cbioportal and TIMER databases, the expression of mutant ZNF880 was significantly lower in COAD compared to the wild type. Simultaneously, the lncRNA-miRNA-ZNF880 ceRNA regulatory network was constructed through co-expression and miRNAs target gene prediction, demonstrating the precision of the ZNF880 regulatory network. In addition, the decreased expression of ZNF880 caused the significant immune infiltration decreases of CD8 + cells in COAD. In contrast, the immune infiltration of CD4 + cells and macrophages in COAD is positively correlated with ZNF880. Finally, through protein-protein interaction (PPI) network analysis and transcription factor target gene prediction, we screened out the genes most likely to be related to the function of ZNF880. CENPK, IFNGR2, REC8 and ZBTB17 were identified as the most closely functioning genes with ZNF880, which may indicate that ZNF880 has important links with the formation of cell centromere, tumor immunity, cell cycle and other pathways closely related to the occurrence of CRC. These studies show that the down-regulation of ZNF880 gene is closely related to CRC, and the targeted change of the expression of its regulatory molecules (miRNA and lncRNA) may be a new perspective for CRC treatment.
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Affiliation(s)
- Xiangqian Dong
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, NO.295 Xichang Road, Kunming, 650032, P.R. China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, 650032, China
| | - Yinghui Zhang
- Department of Gastroenterology, Affiliated Hospital of Yunnan University, Kunming, 650021, China
| | - Yang Sun
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, NO.295 Xichang Road, Kunming, 650032, P.R. China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, 650032, China
| | - Qiong Nan
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, NO.295 Xichang Road, Kunming, 650032, P.R. China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, 650032, China
| | - Maojuan Li
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, NO.295 Xichang Road, Kunming, 650032, P.R. China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, 650032, China
| | - Lanqing Ma
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, NO.295 Xichang Road, Kunming, 650032, P.R. China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, 650032, China
| | - Lei Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, NO.295 Xichang Road, Kunming, 650032, P.R. China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, 650032, China
| | - Juan Luo
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, NO.295 Xichang Road, Kunming, 650032, P.R. China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, 650032, China
| | - Yating Qi
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, NO.295 Xichang Road, Kunming, 650032, P.R. China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, 650032, China
| | - Yinglei Miao
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, NO.295 Xichang Road, Kunming, 650032, P.R. China.
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, 650032, China.
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Moon S, Namkoong S. Ribonucleoprotein Granules: Between Stress and Transposable Elements. Biomolecules 2023; 13:1027. [PMID: 37509063 PMCID: PMC10377603 DOI: 10.3390/biom13071027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/19/2023] [Accepted: 06/21/2023] [Indexed: 07/30/2023] Open
Abstract
Transposable elements (TEs) are DNA sequences that can transpose and replicate within the genome, leading to genetic changes that affect various aspects of host biology. Evolutionarily, hosts have also developed molecular mechanisms to suppress TEs at the transcriptional and post-transcriptional levels. Recent studies suggest that stress-induced formation of ribonucleoprotein (RNP) granules, including stress granule (SG) and processing body (P-body), can play a role in the sequestration of TEs to prevent transposition, suggesting an additional layer of the regulatory mechanism for TEs. RNP granules have been shown to contain factors involved in RNA regulation, including mRNA decay enzymes, RNA-binding proteins, and noncoding RNAs, which could potentially contribute to the regulation of TEs. Therefore, understanding the interplay between TEs and RNP granules is crucial for elucidating the mechanisms for maintaining genomic stability and controlling gene expression. In this review, we provide a brief overview of the current knowledge regarding the interplay between TEs and RNP granules, proposing RNP granules as a novel layer of the regulatory mechanism for TEs during stress.
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Affiliation(s)
- Sungjin Moon
- Department of Biological Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Sim Namkoong
- Department of Biochemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
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Hu Y, Yuan S, Du X, Liu J, Zhou W, Wei F. Comparative analysis reveals epigenomic evolution related to species traits and genomic imprinting in mammals. Innovation (N Y) 2023; 4:100434. [PMID: 37215528 PMCID: PMC10196708 DOI: 10.1016/j.xinn.2023.100434] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 04/25/2023] [Indexed: 05/24/2023] Open
Abstract
DNA methylation is an epigenetic modification that plays a crucial role in various regulatory processes, including gene expression regulation, transposable element repression, and genomic imprinting. However, most studies on DNA methylation have been conducted in humans and other model species, whereas the dynamics of DNA methylation across mammals remain poorly explored, limiting our understanding of epigenomic evolution in mammals and the evolutionary impacts of conserved and lineage-specific DNA methylation. Here, we generated and gathered comparative epigenomic data from 13 mammalian species, including two marsupial species, to demonstrate that DNA methylation plays critical roles in several aspects of gene evolution and species trait evolution. We found that the species-specific DNA methylation of promoters and noncoding elements correlates with species-specific traits such as body patterning, indicating that DNA methylation might help establish or maintain interspecies differences in gene regulation that shape phenotypes. For a broader view, we investigated the evolutionary histories of 88 known imprinting control regions across mammals to identify their evolutionary origins. By analyzing the features of known and newly identified potential imprints in all studied mammals, we found that genomic imprinting may function in embryonic development through the binding of specific transcription factors. Our findings show that DNA methylation and the complex interaction between the genome and epigenome have a significant impact on mammalian evolution, suggesting that evolutionary epigenomics should be incorporated to develop a unified evolutionary theory.
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Affiliation(s)
- Yisi Hu
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Center for Evolution and Conservation Biology, Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
| | - Shenli Yuan
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China
| | - Xin Du
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiang Liu
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China
| | - Wenliang Zhou
- Center for Evolution and Conservation Biology, Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
| | - Fuwen Wei
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Center for Evolution and Conservation Biology, Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
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31
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Horsthemke B, Bird A. Loss of CpG island immunity to DNA methylation induced by mutation. Epigenetics Chromatin 2023; 16:17. [PMID: 37170330 PMCID: PMC10173581 DOI: 10.1186/s13072-023-00488-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 05/13/2023] Open
Abstract
The inheritance of acquired traits in mammals is a highly controversial topic in biology. Recently, Takahashi et al. (Cell 186:715-731, 2023) have reported that insertion of CpG-free DNA into a CpG island (CGI) can induce DNA methylation of the CGI and that this aberrant methylation pattern can be transmitted across generations, even after removal of the foreign DNA. These results were interpreted as evidence for transgenerational inheritance of acquired DNA methylation patterns. Here, we discuss several interpretational issues raised by this study and consider alternative explanations.
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Affiliation(s)
- Bernhard Horsthemke
- Institut Für Humangenetik, Universitätsklinikum Essen, Universität Duisburg-Essen, 45122, Essen, Germany.
| | - Adrian Bird
- Wellcome Centre for Cell Biology, University of Edinburgh, Edinburgh, EH9 3BF, UK
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32
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Bina M. Defining Candidate Imprinted loci in Bos taurus. Genes (Basel) 2023; 14:1036. [PMID: 37239396 PMCID: PMC10217866 DOI: 10.3390/genes14051036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/27/2023] [Accepted: 04/30/2023] [Indexed: 05/28/2023] Open
Abstract
Using a whole-genome assembly of Bos taurus, I applied my bioinformatics strategy to locate candidate imprinting control regions (ICRs) genome-wide. In mammals, genomic imprinting plays essential roles in embryogenesis. In my strategy, peaks in plots mark the locations of known, inferred, and candidate ICRs. Genes in the vicinity of candidate ICRs correspond to potential imprinted genes. By displaying my datasets on the UCSC genome browser, one could view peak positions with respect to genomic landmarks. I give two examples of candidate ICRs in loci that influence spermatogenesis in bulls: CNNM1 and CNR1. I also give examples of candidate ICRs in loci that influence muscle development: SIX1 and BCL6. By examining the ENCODE data reported for mice, I deduced regulatory clues about cattle. I focused on DNase I hypersensitive sites (DHSs). Such sites reveal accessibility of chromatin to regulators of gene expression. For inspection, I chose DHSs in chromatin from mouse embryonic stem cells (ESCs) ES-E14, mesoderm, brain, heart, and skeletal muscle. The ENCODE data revealed that the SIX1 promoter was accessible to the transcription initiation apparatus in mouse ESCs, mesoderm, and skeletal muscles. The data also revealed accessibility of BCL6 locus to regulatory proteins in mouse ESCs and examined tissues.
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Affiliation(s)
- Minou Bina
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA
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33
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Yu H, Raza SHA, Pan Y, Cheng G, Mei C, Zan L. Integrative Analysis of Blood Transcriptomics and Metabolomics Reveals Molecular Regulation of Backfat Thickness in Qinchuan Cattle. Animals (Basel) 2023; 13:ani13061060. [PMID: 36978600 PMCID: PMC10044415 DOI: 10.3390/ani13061060] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/11/2023] [Accepted: 03/14/2023] [Indexed: 03/17/2023] Open
Abstract
A crucial goal of reducing backfat thickness (BFT) is to indirectly improve feed conversion efficiency. This phenotype has been reported in certain papers; however, the molecular mechanism has yet to be fully revealed. Two extreme BFT groups, consisting of four Qinchuan cattle, were chosen for this study. We performed metabolite and transcriptome analyses of blood from cattle with a high BFT (H-BFT with average = 1.19) and from those with a low BFT (L-BFT with average = 0.39). In total, 1106 differentially expressed genes (DEGs) and 86 differentially expressed metabolites (DEMs) were identified in the extreme trait. In addition, serum ceramide was strongly correlated with BFT and could be used as a potential biomarker. Moreover, the most notable finding was that the functional genes (SMPD3 and CERS1) and metabolite (sphingosine 1-phosphate (S1P)) were filtered out and significantly enriched in the processes related to the sphingolipid metabolism. This investigation contributed to a better understanding of the subcutaneous fat depots in cattle. In general, our results indicated that the sphingolipid metabolism, involving major metabolites (serum ceramide and S1P) and key genes (SMPD3 and CERS1), could regulate BFT through blood circulation.
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Affiliation(s)
- Hengwei Yu
- College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China; (H.Y.); (S.H.A.R.)
| | - Sayed Haidar Abbas Raza
- College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China; (H.Y.); (S.H.A.R.)
- Guangdong Provincial Key Laboratory of Food Quality and Safety/Nation-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Yueting Pan
- College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China; (H.Y.); (S.H.A.R.)
| | - Gong Cheng
- College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China; (H.Y.); (S.H.A.R.)
| | - Chugang Mei
- College of Grassland Agriculture, Northwest A&F University, Xianyang 712100, China
- National Beef Cattle Improvement Center, Xianyang 712100, China
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China; (H.Y.); (S.H.A.R.)
- National Beef Cattle Improvement Center, Xianyang 712100, China
- Correspondence:
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Lobanova Y, Filonova G, Kaplun D, Zhigalova N, Prokhortchouk E, Zhenilo S. TRIM28 regulates transcriptional activity of methyl-DNA binding protein Kaiso by SUMOylation. Biochimie 2023; 206:73-80. [PMID: 36252888 DOI: 10.1016/j.biochi.2022.10.006] [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: 06/27/2022] [Revised: 09/12/2022] [Accepted: 10/11/2022] [Indexed: 11/16/2022]
Abstract
Kaiso is a methyl DNA binding transcriptional factor involved in cell cycle control, WNT signaling, colon inflammation, and cancer progression. Recently, it was shown that SUMOylation dynamically modulates the transcriptional activity of Kaiso. However, factors involved in SUMOylation of Kaiso are unknown. Here we show that TRIM28 enhances SUMOylation of Kaiso leading to a decreased methyl-dependent repression ability. TRIM28 is a scaffold protein that regulates transcription and posttranslational modifications of factors involved in cell cycle progression, DNA damage, and viral gene expression. It has SUMO and ubiquitin E3 ligase activity. Here, we defined the domains involved in Kaiso-TRIM28 interaction. The RBCC domain of TRIM28 interacts with the BTB/POZ domain and the zinc fingers of Kaiso. The PHD-bromodomain of TRIM28 is sufficient for the interaction with zinc fingers of Kaiso. Additionally, we found that Kaiso enhances SUMOylation of TRIM28. Altogether our data suggest self-enhancement of SUMOylation of both Kaiso and TRIM28 that affects transcriptional activity of Kaiso.
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Affiliation(s)
- Y Lobanova
- Sckryabin Institute of Bioengineering, Federal Research Centre «Fundamentals of Biotechnology» RAS, pr. 60 let Oktyabrya, 7-1, 117312, Moscow, Russia
| | - G Filonova
- Sckryabin Institute of Bioengineering, Federal Research Centre «Fundamentals of Biotechnology» RAS, pr. 60 let Oktyabrya, 7-1, 117312, Moscow, Russia
| | - D Kaplun
- Sckryabin Institute of Bioengineering, Federal Research Centre «Fundamentals of Biotechnology» RAS, pr. 60 let Oktyabrya, 7-1, 117312, Moscow, Russia; Institute of Gene Biology RAS, 34/5 Vavilova Street, 119334 Moscow, Russia
| | - N Zhigalova
- Sckryabin Institute of Bioengineering, Federal Research Centre «Fundamentals of Biotechnology» RAS, pr. 60 let Oktyabrya, 7-1, 117312, Moscow, Russia
| | - E Prokhortchouk
- Sckryabin Institute of Bioengineering, Federal Research Centre «Fundamentals of Biotechnology» RAS, pr. 60 let Oktyabrya, 7-1, 117312, Moscow, Russia; Institute of Gene Biology RAS, 34/5 Vavilova Street, 119334 Moscow, Russia
| | - S Zhenilo
- Sckryabin Institute of Bioengineering, Federal Research Centre «Fundamentals of Biotechnology» RAS, pr. 60 let Oktyabrya, 7-1, 117312, Moscow, Russia; Institute of Gene Biology RAS, 34/5 Vavilova Street, 119334 Moscow, Russia.
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35
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Zhang Y, Wan X, Qiu L, Zhou L, Huang Q, Wei M, Liu X, Liu S, Zhang B, Han J. Trim28 citrullination maintains mouse embryonic stem cell pluripotency via regulating Nanog and Klf4 transcription. SCIENCE CHINA. LIFE SCIENCES 2023; 66:545-562. [PMID: 36100837 DOI: 10.1007/s11427-022-2167-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 07/18/2022] [Indexed: 11/26/2022]
Abstract
Protein citrullination, including histone H1 and H3 citrullination, is important for transcriptional regulation, DNA damage response, and pluripotency of embryonic stem cells (ESCs). Tripartite motif containing 28 (Trim28), an embryonic development regulator involved in ESC self-renewal, has recently been identified as a novel substrate for citrullination by Padi4. However, the physiological functions of Trim28 citrullination and its role in regulating the chromatin structure and gene transcription of ESCs remain unknown. In this paper, we show that Trim28 is specifically citrullinated in mouse ESCs (mESCs), and that the loss of Trim28 citrullination induces loss of pluripotency. Mechanistically, Trim28 citrullination enhances the interaction of Trim28 with Smarcad1 and prevents chromatin condensation. Additionally, Trim28 citrullination regulates mESC pluripotency by promoting transcription of Nanog and Klf4 which it does by increasing the enrichment of H3K27ac and H3K4me3 and decreasing the enrichment of H3K9me3 in the transcriptional regulatory region. Thus, our findings suggest that Trim28 citrullination is the key for the epigenetic activation of pluripotency genes and pluripotency maintenance of ESCs. Together, these results uncover a role Trim28 citrullination plays in pluripotency regulation and provide novel insight into how citrullination of proteins other than histones regulates chromatin compaction.
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Affiliation(s)
- Yaguang Zhang
- State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiaowen Wan
- State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Lei Qiu
- State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Lian Zhou
- State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Qing Huang
- State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Mingtian Wei
- Department of Gastrointestinal Surgery, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xueqin Liu
- State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Sicheng Liu
- State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Bo Zhang
- Department of Gastrointestinal Surgery, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Junhong Han
- State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China.
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36
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Matsuzaki H, Sugihara S, Tanimoto K. The transgenic IG-DMR sequence of the mouse Dlk1-Dio3 domain acquired imprinted DNA methylation during the post-fertilization period. Epigenetics Chromatin 2023; 16:7. [PMID: 36797774 PMCID: PMC9936741 DOI: 10.1186/s13072-023-00482-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 02/07/2023] [Indexed: 02/18/2023] Open
Abstract
BACKGROUND Allele-specific methylation of the imprinting control region (ICR) is the molecular basis for the genomic imprinting phenomenon that is unique to placental mammals. We previously showed that the ICR at the mouse H19 gene locus (H19 ICR) was unexpectedly established after fertilization and not during spermatogenesis in transgenic mice (TgM), and that the same activity was essential for the maintenance of paternal methylation of the H19 ICR at the endogenous locus in pre-implantation embryos. To examine the universality of post-fertilization imprinted methylation across animal species or imprinted loci, we generated TgM with two additional sequences. RESULTS The rat H19 ICR, which is very similar in structure to the mouse H19 ICR, unexpectedly did not acquire imprinted methylation even after fertilization, suggesting a lack of essential sequences in the transgene fragment. In contrast, the mouse IG-DMR, the methylation of which is acquired during spermatogenesis at the endogenous locus, did not acquire methylation in the sperm of TgM, yet became highly methylated in blastocysts after fertilization, but only when the transgene was paternally inherited. Since these two sequences were evaluated at the same genomic site by employing the transgene co-placement strategy, it is likely that the phenotype reflects the intrinsic activity of these fragments rather than position-effect variegation. CONCLUSIONS Our results suggested that post-fertilization imprinted methylation is a versatile mechanism for protecting paternal imprinted methylation from reprogramming during the pre-implantation period.
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Affiliation(s)
- Hitomi Matsuzaki
- Faculty of Life and Environmental Sciences, Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8577, Japan
| | - Shokichi Sugihara
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, 305-8577, Japan
| | - Keiji Tanimoto
- Faculty of Life and Environmental Sciences, Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8577, Japan.
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37
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Luo Q, Pui HP, Chen J, Yu L, Jannig PR, Pei Y, Zhao L, Chen X, Petropoulos S, Ruas JL, Wu J, Deng Q. Epiblast-like stem cells established by Wnt/β-catenin signaling manifest distinct features of formative pluripotency and germline competence. Cell Rep 2023; 42:112021. [PMID: 36848234 PMCID: PMC10026833 DOI: 10.1016/j.celrep.2023.112021] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 12/05/2022] [Accepted: 01/06/2023] [Indexed: 01/25/2023] Open
Abstract
Different formative pluripotent stem cells harboring similar functional properties have been recently established to be lineage neutral and germline competent yet have distinct molecular identities. Here, we show that WNT/β-catenin signaling activation sustains transient mouse epiblast-like cells as epiblast-like stem cells (EpiLSCs). EpiLSCs display metastable formative pluripotency with bivalent cellular energy metabolism and unique transcriptomic features and chromatin accessibility. We develop single-cell stage label transfer (scSTALT) to study the formative pluripotency continuum and reveal that EpiLSCs recapitulate a unique developmental period in vivo, filling the gap of the formative pluripotency continuum between other published formative stem cells. WNT/β-catenin signaling activation counteracts differentiation effects of activin A and bFGF by preventing complete dissolution of naive pluripotency regulatory network. Moreover, EpiLSCs have direct competence toward germline specification, which is further matured by an FGF receptor inhibitor. Our EpiLSCs can serve as an in vitro model for mimicking and studying early post-implantation development and pluripotency transition.
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Affiliation(s)
- Qing Luo
- Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Han-Pin Pui
- Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden; Center for Molecular Medicine, Karolinska University Hospital, 171 77 Stockholm, Sweden; Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet and Karolinska University Hospital, 141 52 Huddinge, Sweden
| | - Jiayu Chen
- Clinical and Translation Research Center of Shanghai First Maternity & Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 20092, China; Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 20092, China
| | - Leqian Yu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Paulo R Jannig
- Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Yu Pei
- Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden; Center for Molecular Medicine, Karolinska University Hospital, 171 77 Stockholm, Sweden
| | - Linxuan Zhao
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, 751 85 Uppsala, Sweden
| | - Xingqi Chen
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, 751 85 Uppsala, Sweden
| | - Sophie Petropoulos
- Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet and Karolinska University Hospital, 141 52 Huddinge, Sweden; Department of Medicine, Centre de recherche du CHUM, University of Montreal, Montreal, QC H2X 0A9, Canada
| | - Jorge L Ruas
- Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Jun Wu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Qiaolin Deng
- Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden; Center for Molecular Medicine, Karolinska University Hospital, 171 77 Stockholm, Sweden.
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38
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Vargas LN, Silveira MM, Franco MM. Epigenetic Reprogramming and Somatic Cell Nuclear Transfer. Methods Mol Biol 2023; 2647:37-58. [PMID: 37041328 DOI: 10.1007/978-1-0716-3064-8_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
Epigenetics is an area of genetics that studies the heritable modifications in gene expression and phenotype that are not controlled by the primary sequence of DNA. The main epigenetic mechanisms are DNA methylation, post-translational covalent modifications in histone tails, and non-coding RNAs. During mammalian development, there are two global waves of epigenetic reprogramming. The first one occurs during gametogenesis and the second one begins immediately after fertilization. Environmental factors such as exposure to pollutants, unbalanced nutrition, behavioral factors, stress, in vitro culture conditions can negatively affect epigenetic reprogramming events. In this review, we describe the main epigenetic mechanisms found during mammalian preimplantation development (e.g., genomic imprinting, X chromosome inactivation). Moreover, we discuss the detrimental effects of cloning by somatic cell nuclear transfer on the reprogramming of epigenetic patterns and some molecular alternatives to minimize these negative impacts.
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Affiliation(s)
- Luna N Vargas
- Laboratory of Animal Reproduction, Embrapa Genetic Resources and Biotechnology, Brasília, Distrito Federal, Brazil
- Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
| | - Márcia M Silveira
- Laboratory of Animal Reproduction, Embrapa Genetic Resources and Biotechnology, Brasília, Distrito Federal, Brazil
- Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
| | - Maurício M Franco
- Laboratory of Animal Reproduction, Embrapa Genetic Resources and Biotechnology, Brasília, Distrito Federal, Brazil.
- Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil.
- School of Veterinary Medicine, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil.
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Mechanisms of DNA methylation and histone modifications. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 197:51-92. [PMID: 37019597 DOI: 10.1016/bs.pmbts.2023.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
The field of genetics has expanded a lot in the past few decades due to the accessibility of human genome sequences, but still, the regulation of transcription cannot be explicated exclusively by the sequence of DNA of an individual. The coordination and crosstalk between chromatin factors which are conserved is indispensable for all living creatures. The regulation of gene expression has been dependent on the methylation of DNA, post-translational modifications of histones, effector proteins, chromatin remodeler enzymes that affect the chromatin structure and function, and other cellular activities such as DNA replication, DNA repair, proliferation and growth. The mutation and deletion of these factors can lead to human diseases. Various studies are being performed to identify and understand the gene regulatory mechanisms in the diseased state. The information from these high throughput screening studies is able to aid the treatment developments based on the epigenetics regulatory mechanisms. This book chapter will discourse on various modifications and their mechanisms that take place on histones and DNA that regulate the transcription of genes.
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Wei A, Wu H. Mammalian DNA methylome dynamics: mechanisms, functions and new frontiers. Development 2022; 149:dev182683. [PMID: 36519514 PMCID: PMC10108609 DOI: 10.1242/dev.182683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
DNA methylation is a highly conserved epigenetic modification that plays essential roles in mammalian gene regulation, genome stability and development. Despite being primarily considered a stable and heritable epigenetic silencing mechanism at heterochromatic and repetitive regions, whole genome methylome analysis reveals that DNA methylation can be highly cell-type specific and dynamic within proximal and distal gene regulatory elements during early embryonic development, stem cell differentiation and reprogramming, and tissue maturation. In this Review, we focus on the mechanisms and functions of regulated DNA methylation and demethylation, highlighting how these dynamics, together with crosstalk between DNA methylation and histone modifications at distinct regulatory regions, contribute to mammalian development and tissue maturation. We also discuss how recent technological advances in single-cell and long-read methylome sequencing, along with targeted epigenome-editing, are enabling unprecedented high-resolution and mechanistic dissection of DNA methylome dynamics.
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Affiliation(s)
- Alex Wei
- Department of Genetics, University of Pennsylvania, Philadelphia, PA 19104, USA
- Penn Epigenetics Institute, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Hao Wu
- Department of Genetics, University of Pennsylvania, Philadelphia, PA 19104, USA
- Penn Epigenetics Institute, University of Pennsylvania, Philadelphia, PA 19104, USA
- Penn Institute of Regenerative Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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Epigenetic mechanisms of Strip2 in differentiation of pluripotent stem cells. Cell Death Dis 2022; 8:447. [PMID: 36335090 PMCID: PMC9637104 DOI: 10.1038/s41420-022-01237-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/18/2022] [Accepted: 10/21/2022] [Indexed: 11/07/2022]
Abstract
Significant evidence points to Strip2 being a key regulator of the differentiation processes of pluripotent embryonic stem cells. However, Strip2 mediated epigenetic regulation of embryonic differentiation and development is quite unknown. Here, we identified several interaction partners of Strip2, importantly the co-repressor molecular protein complex nucleosome remodeling deacetylase/Tripartite motif-containing 28/Histone deacetylases/Histone-lysine N-methyltransferase SETDB1 (NuRD/TRIM28/HDACs/SETDB1) histone methyltransferase, which is primarily involved in regulation of the pluripotency of embryonic stem cells and its differentiation. The complex is normally activated by binding of Krueppel-associated box zinc-finger proteins (KRAB-ZFPs) to specific DNA motifs, causing methylation of H3 to Lysin-9 residues (H3K9). Our data showed that Strip2 binds to a DNA motif (20 base pairs), like the KRAB-ZFPs. We establish that Strip2 is an epigenetic regulator of pluripotency and differentiation by modulating DNA KRAB-ZFPs as well as the NuRD/TRIM28/HDACs/SETDB1 histone methyltransferase complex.
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Mu J, Zhou Z, Sang Q, Wang L. The physiological and pathological mechanisms of early embryonic development. FUNDAMENTAL RESEARCH 2022; 2:859-872. [PMID: 38933386 PMCID: PMC11197659 DOI: 10.1016/j.fmre.2022.08.011] [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: 06/02/2022] [Revised: 08/05/2022] [Accepted: 08/19/2022] [Indexed: 10/15/2022] Open
Abstract
Early embryonic development is a complex process. The zygote undergoes several rounds of division to form a blastocyst, and during this process, the zygote undergoes the maternal-to-zygotic transition to gain control of embryonic development and makes two cell fate decisions to differentiate into an embryonic and two extra-embryonic lineages. With the use of new molecular biotechnologies and animal models, we can now further study the molecular mechanisms of early embryonic development and the pathological causes of early embryonic arrest. Here, we first summarize the known molecular regulatory mechanisms of early embryonic development in mice. Then we discuss the pathological factors leading to the early embryonic arrest. We hope that this review will give researchers a relatively complete view of the physiology and pathology of early embryonic development.
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Affiliation(s)
- Jian Mu
- The State Key Laboratory of Genetic Engineering, Institute of Pediatrics, Children's Hospital of Fudan University, The Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Zhou Zhou
- The State Key Laboratory of Genetic Engineering, Institute of Pediatrics, Children's Hospital of Fudan University, The Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai 200032, China
| | - Qing Sang
- The State Key Laboratory of Genetic Engineering, Institute of Pediatrics, Children's Hospital of Fudan University, The Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Lei Wang
- The State Key Laboratory of Genetic Engineering, Institute of Pediatrics, Children's Hospital of Fudan University, The Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
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Yu T, Meng R, Song W, Sun H, An Q, Zhang C, Zhang Y, Su J. ZFP57 regulates DNA methylation of imprinted genes to facilitate embryonic development of somatic cell nuclear transfer embryos in Holstein cows. J Dairy Sci 2022; 106:769-782. [DOI: 10.3168/jds.2022-22427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 08/17/2022] [Indexed: 11/17/2022]
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Lo JHH, Edwards M, Langerman J, Sridharan R, Plath K, Smale ST. Oct4:Sox2 binding is essential for establishing but not maintaining active and silent states of dynamically regulated genes in pluripotent cells. Genes Dev 2022; 36:1079-1095. [PMID: 36418052 PMCID: PMC9744233 DOI: 10.1101/gad.350113.122] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 11/14/2022] [Indexed: 11/24/2022]
Abstract
Much has been learned about the mechanisms of action of pluripotency factors Oct4 and Sox2. However, as with other regulators of cell identity, little is known about the impact of disrupting their binding motifs in a native environment or the characteristics of genes they regulate. By quantitatively examining dynamic ranges of gene expression instead of focusing on conventional measures of differential expression, we found that Oct4 and Sox2 enhancer binding is strongly enriched near genes subject to large dynamic ranges of expression among cell types, with binding sites near these genes usually within superenhancers. Mutagenesis of representative Oct4:Sox2 motifs near such active, dynamically regulated genes revealed critical roles in transcriptional activation during reprogramming, with more limited roles in transcriptional maintenance in the pluripotent state. Furthermore, representative motifs near silent genes were critical for establishing but not maintaining the fully silent state, while genes whose transcript levels varied by smaller magnitudes among cell types were unaffected by nearby Oct4:Sox2 motifs. These results suggest that Oct4 and Sox2 directly establish both active and silent transcriptional states in pluripotent cells at a large number of genes subject to dynamic regulation during mammalian development, but are less important than expected for maintaining transcriptional states.
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Affiliation(s)
- Jerry Hung-Hao Lo
- Molecular Biology Institute, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
- Broad Stem Cell Research Center, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
- Department of Microbiology, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
| | - Miguel Edwards
- Molecular Biology Institute, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
- Broad Stem Cell Research Center, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
- Department of Microbiology, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
| | - Justin Langerman
- Molecular Biology Institute, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
- Broad Stem Cell Research Center, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
- Department of Microbiology, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
| | - Rupa Sridharan
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, USA
| | - Kathrin Plath
- Molecular Biology Institute, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
- Broad Stem Cell Research Center, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
- Department of Biological Chemistry, University of California at Los Angeles, Los Angeles, California 90095, USA
| | - Stephen T Smale
- Molecular Biology Institute, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
- Broad Stem Cell Research Center, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
- Department of Microbiology, Immunology, and Molecular Genetics, University of California at Los Angeles, Los Angeles, California 90095, USA
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Kaplun DS, Kaluzhny DN, Prokhortchouk EB, Zhenilo SV. DNA Methylation: Genomewide Distribution, Regulatory Mechanism and Therapy Target. Acta Naturae 2022; 14:4-19. [PMID: 36694897 PMCID: PMC9844086 DOI: 10.32607/actanaturae.11822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 11/29/2022] [Indexed: 01/22/2023] Open
Abstract
DNA methylation is the most important epigenetic modification involved in the regulation of transcription, imprinting, establishment of X-inactivation, and the formation of a chromatin structure. DNA methylation in the genome is often associated with transcriptional repression and the formation of closed heterochromatin. However, the results of genome-wide studies of the DNA methylation pattern and transcriptional activity of genes have nudged us toward reconsidering this paradigm, since the promoters of many genes remain active despite their methylation. The differences in the DNA methylation distribution in normal and pathological conditions allow us to consider methylation as a diagnostic marker or a therapy target. In this regard, the need to investigate the factors affecting DNA methylation and those involved in its interpretation becomes pressing. Recently, a large number of protein factors have been uncovered, whose ability to bind to DNA depends on their methylation. Many of these proteins act not only as transcriptional activators or repressors, but also affect the level of DNA methylation. These factors are considered potential therapeutic targets for the treatment of diseases resulting from either a change in DNA methylation or a change in the interpretation of its methylation level. In addition to protein factors, a secondary DNA structure can also affect its methylation and can be considered as a therapy target. In this review, the latest research into the DNA methylation landscape in the genome has been summarized to discuss why some DNA regions avoid methylation and what factors can affect its level or interpretation and, therefore, can be considered a therapy target.
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Affiliation(s)
- D. S. Kaplun
- Institute of Bioengineering, Research Center of Biotechnology, Russian Academy of Sciences, Moscow, 119071 Russia
- Institute of Gene Biology, Russian Academy of Sciences, Moscow, 119071 Russia
| | - D. N. Kaluzhny
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991 Russia
| | - E. B. Prokhortchouk
- Institute of Bioengineering, Research Center of Biotechnology, Russian Academy of Sciences, Moscow, 119071 Russia
- Institute of Gene Biology, Russian Academy of Sciences, Moscow, 119071 Russia
| | - S. V. Zhenilo
- Institute of Bioengineering, Research Center of Biotechnology, Russian Academy of Sciences, Moscow, 119071 Russia
- Institute of Gene Biology, Russian Academy of Sciences, Moscow, 119071 Russia
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Dubois A, Vincenti L, Chervova A, Greenberg MVC, Vandormael-Pournin S, Bourc'his D, Cohen-Tannoudji M, Navarro P. H3K9 tri-methylation at Nanog times differentiation commitment and enables the acquisition of primitive endoderm fate. Development 2022; 149:276335. [PMID: 35976266 PMCID: PMC9482333 DOI: 10.1242/dev.201074] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/04/2022] [Indexed: 11/23/2022]
Abstract
Mouse embryonic stem cells have an inherent propensity to explore gene regulatory states associated with either self-renewal or differentiation. This property depends on ERK, which downregulates pluripotency genes such as Nanog. Here, we aimed at identifying repressive histone modifications that would mark Nanog for inactivation in response to ERK activity. We found that the transcription factor ZFP57, which binds methylated DNA to nucleate heterochromatin, is recruited upstream of Nanog, within a region enriched for histone H3 lysine 9 tri-methylation (H3K9me3). Whereas before differentiation H3K9me3 at Nanog depends on ERK, in somatic cells it becomes independent of ERK. Moreover, the loss of H3K9me3 at Nanog, induced by deleting the region or by knocking out DNA methyltransferases or Zfp57, is associated with reduced heterogeneity of NANOG, delayed commitment into differentiation and impaired ability to acquire a primitive endoderm fate. Hence, a network axis centred on DNA methylation, ZFP57 and H3K9me3 links Nanog regulation to ERK activity for the timely establishment of new cell identities. We suggest that establishment of irreversible H3K9me3 at specific master regulators allows the acquisition of particular cell fates during differentiation. Summary: A regulatory axis integrating ERK, ZFP57, DNA and H3K9 methylation underlies the transition of Nanog expression from heterogeneous and dynamic to irreversibly silenced, enabling differentiation commitment and primitive endoderm specification.
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Affiliation(s)
- Agnès Dubois
- Institut Pasteur, Université Paris Cité, CNRS UMR3738, Epigenomics, Proliferation, and the Identity of Cells Unit 1 Department of Developmental and Stem Cell Biology , , F-75015 Paris , France
| | - Loris Vincenti
- Institut Pasteur, Université Paris Cité, CNRS UMR3738, Epigenomics, Proliferation, and the Identity of Cells Unit 1 Department of Developmental and Stem Cell Biology , , F-75015 Paris , France
| | - Almira Chervova
- Institut Pasteur, Université Paris Cité, CNRS UMR3738, Epigenomics, Proliferation, and the Identity of Cells Unit 1 Department of Developmental and Stem Cell Biology , , F-75015 Paris , France
| | - Maxim V. C. Greenberg
- Department of Genetics and Developmental Biology, Institut Curie, PSL Research University, INSERM, CNRS 2 , 75005 Paris , France
- Université Paris Cité, CNRS, Institut Jacques Monod 3 , F-75013 Paris , France
| | - Sandrine Vandormael-Pournin
- Institut Pasteur, Université Paris Cité, CNRS UMR3738, Epigenomics, Proliferation, and the Identity of Cells Unit 1 Department of Developmental and Stem Cell Biology , , F-75015 Paris , France
| | - Déborah Bourc'his
- Department of Genetics and Developmental Biology, Institut Curie, PSL Research University, INSERM, CNRS 2 , 75005 Paris , France
| | - Michel Cohen-Tannoudji
- Institut Pasteur, Université Paris Cité, CNRS UMR3738, Epigenomics, Proliferation, and the Identity of Cells Unit 1 Department of Developmental and Stem Cell Biology , , F-75015 Paris , France
| | - Pablo Navarro
- Institut Pasteur, Université Paris Cité, CNRS UMR3738, Epigenomics, Proliferation, and the Identity of Cells Unit 1 Department of Developmental and Stem Cell Biology , , F-75015 Paris , France
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Marchal C, Defossez PA, Miotto B. Context-dependent CpG methylation directs cell-specific binding of transcription factor ZBTB38. Epigenetics 2022; 17:2122-2143. [PMID: 36000449 DOI: 10.1080/15592294.2022.2111135] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
DNA methylation on CpGs regulates transcription in mammals, both by decreasing the binding of methylation-repelled factors and by increasing the binding of methylation-attracted factors. Among the latter, zinc finger proteins have the potential to bind methylated CpGs in a sequence-specific context. The protein ZBTB38 is unique in that it has two independent sets of zinc fingers, which recognize two different methylated consensus sequences in vitro. Here, we identify the binding sites of ZBTB38 in a human cell line, and show that they contain the two methylated consensus sequences identified in vitro. In addition, we show that the distribution of ZBTB38 sites is highly unusual: while 10% of the ZBTB38 sites are also bound by CTCF, the other 90% of sites reside in closed chromatin and are not bound by any of the other factors mapped in our model cell line. Finally, a third of ZBTB38 sites are found upstream of long and active CpG islands. Our work therefore validates ZBTB38 as a methyl-DNA binder in vivo and identifies its unique distribution in the genome.
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Affiliation(s)
- Claire Marchal
- Université Paris Cité, Institut Cochin, INSERM, CNRS, Paris, France
| | | | - Benoit Miotto
- Université Paris Cité, Institut Cochin, INSERM, CNRS, Paris, France
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Zhang M, Current JZ, Chaney HL, Yao J. Identification of the DNA binding element of ZNFO, an oocyte-specific zinc finger transcription factor in cattle. Gene 2022; 834:146655. [PMID: 35680024 DOI: 10.1016/j.gene.2022.146655] [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: 03/18/2022] [Revised: 05/14/2022] [Accepted: 06/02/2022] [Indexed: 11/04/2022]
Abstract
The maternal effect genes are essential components of oocyte competence, which orchestrate the early developmental events before zygotic genome activation (ZGA). The Krüppel-associated box (KRAB) domain-containing zinc finger proteins (KRAB-ZFPs) constitute the largest transcription factor family in mammals. As a novel maternal effect gene, ZNFO was identified previously in our laboratory. The gene codes for a KRAB-ZFP specifically expressed in bovine oocytes and early embryos and gene silencing experiments have demonstrated that ZNFO is required for early embryonic development in cattle. In the present study, we identified a consensus sequence, ATATCCTGTTTAAACCCC, as the DNA binding element of ZNFO (ZNFOBE) using a library of random oligonucleotides by cyclic amplification of sequence target (CAST) analysis. Sequence-specific binding of ZNFO to the DNA binding element was confirmed by an electrophoretic mobility shift assay (EMSA), and the key nucleotides in the ZNFOBE that are required for specific binding by ZNFO were further determined by a competitive EMSA using mutant competitors. Through a luciferase-based reporter assay, it was confirmed that the interaction between ZNFO and ZNFOBE is required for the repressive function of ZNFO. These results provide an essential step towards the identification of ZNFO regulated genes that play important roles during early embryonic development.
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Affiliation(s)
- Mingxiang Zhang
- Laboratory of Animal Biotechnology and Genomics, Division of Animal and Nutritional Sciences, West Virginia University, Morgantown, WV 26506, USA
| | - Jaelyn Z Current
- Laboratory of Animal Biotechnology and Genomics, Division of Animal and Nutritional Sciences, West Virginia University, Morgantown, WV 26506, USA
| | - Heather L Chaney
- Laboratory of Animal Biotechnology and Genomics, Division of Animal and Nutritional Sciences, West Virginia University, Morgantown, WV 26506, USA
| | - Jianbo Yao
- Laboratory of Animal Biotechnology and Genomics, Division of Animal and Nutritional Sciences, West Virginia University, Morgantown, WV 26506, USA.
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Acurzio B, Cecere F, Giaccari C, Verma A, Russo R, Valletta M, Hay Mele B, Angelini C, Chambery A, Riccio A. The mismatch-repair proteins MSH2 and MSH6 interact with the imprinting control regions through the ZFP57-KAP1 complex. Epigenetics Chromatin 2022; 15:27. [PMID: 35918739 PMCID: PMC9344765 DOI: 10.1186/s13072-022-00462-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/25/2022] [Indexed: 11/21/2022] Open
Abstract
Background Imprinting Control Regions (ICRs) are CpG-rich sequences acquiring differential methylation in the female and male germline and maintaining it in a parental origin-specific manner in somatic cells. Despite their expected high mutation rate due to spontaneous deamination of methylated cytosines, ICRs show conservation of CpG-richness and CpG-containing transcription factor binding sites in mammalian species. However, little is known about the mechanisms contributing to the maintenance of a high density of methyl CpGs at these loci. Results To gain functional insights into the mechanisms for maintaining CpG methylation, we sought to identify the proteins binding the methylated allele of the ICRs by determining the interactors of ZFP57 that recognizes a methylated hexanucleotide motif of these DNA regions in mouse ESCs. By using a tagged approach coupled to LC–MS/MS analysis, we identified several proteins, including factors involved in mRNA processing/splicing, chromosome organization, transcription and DNA repair processes. The presence of the post-replicative mismatch-repair (MMR) complex components MSH2 and MSH6 among the identified ZFP57 interactors prompted us to investigate their DNA binding profile by chromatin immunoprecipitation and sequencing. We demonstrated that MSH2 was enriched at gene promoters overlapping unmethylated CpG islands and at repeats. We also found that both MSH2 and MSH6 interacted with the methylated allele of the ICRs, where their binding to DNA was mediated by the ZFP57/KAP1 complex. Conclusions Our findings show that the MMR complex is concentrated on gene promoters and repeats in mouse ESCs, suggesting that maintaining the integrity of these regions is a primary function of highly proliferating cells. Furthermore, the demonstration that MSH2/MSH6 are recruited to the methylated allele of the ICRs through interaction with ZFP57/KAP1 suggests a role of the MMR complex in the maintenance of the integrity of these regulatory regions and evolution of genomic imprinting in mammalian species. Supplementary Information The online version contains supplementary material available at 10.1186/s13072-022-00462-7.
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Affiliation(s)
- Basilia Acurzio
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università Degli Studi Della Campania "Luigi Vanvitelli", 81100, Caserta, Italy.,Institute of Genetics and Biophysics (IGB) "Adriano Buzzati-Traverso", Consiglio Nazionale Delle Ricerche (CNR), 80131, Naples, Italy
| | - Francesco Cecere
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università Degli Studi Della Campania "Luigi Vanvitelli", 81100, Caserta, Italy.,Institute of Genetics and Biophysics (IGB) "Adriano Buzzati-Traverso", Consiglio Nazionale Delle Ricerche (CNR), 80131, Naples, Italy
| | - Carlo Giaccari
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università Degli Studi Della Campania "Luigi Vanvitelli", 81100, Caserta, Italy.,Institute of Genetics and Biophysics (IGB) "Adriano Buzzati-Traverso", Consiglio Nazionale Delle Ricerche (CNR), 80131, Naples, Italy
| | - Ankit Verma
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università Degli Studi Della Campania "Luigi Vanvitelli", 81100, Caserta, Italy.,Institute of Genetics and Biophysics (IGB) "Adriano Buzzati-Traverso", Consiglio Nazionale Delle Ricerche (CNR), 80131, Naples, Italy
| | - Rosita Russo
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università Degli Studi Della Campania "Luigi Vanvitelli", 81100, Caserta, Italy
| | - Mariangela Valletta
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università Degli Studi Della Campania "Luigi Vanvitelli", 81100, Caserta, Italy
| | - Bruno Hay Mele
- Department of Biology, Università Degli Studi Di Napoli "Federico II", 80126, Naples, Italy
| | - Claudia Angelini
- Istituto Per Le Applicazioni del Calcolo "Mauro Picone" (IAC), CNR, 80131, Naples, Italy
| | - Angela Chambery
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università Degli Studi Della Campania "Luigi Vanvitelli", 81100, Caserta, Italy
| | - Andrea Riccio
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), Università Degli Studi Della Campania "Luigi Vanvitelli", 81100, Caserta, Italy. .,Institute of Genetics and Biophysics (IGB) "Adriano Buzzati-Traverso", Consiglio Nazionale Delle Ricerche (CNR), 80131, Naples, Italy.
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50
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Liu Y, Xu Z, Shi J, Zhang Y, Yang S, Chen Q, Song C, Geng S, Li Q, Li J, Xu GL, Xie W, Lin H, Li X. DNA methyltransferases are complementary in maintaining DNA methylation in embryonic stem cells. iScience 2022; 25:105003. [PMID: 36117996 PMCID: PMC9478929 DOI: 10.1016/j.isci.2022.105003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/15/2022] [Accepted: 08/18/2022] [Indexed: 12/01/2022] Open
Abstract
ZFP57 and ZFP445 maintain genomic imprinting in mouse embryos. We found DNA methylation was lost at most examined imprinting control regions (ICRs) in mouse Zfp57 mutant ES cells, which could not be prevented by the elimination of three TET proteins. To elucidate methylation maintenance mechanisms, we generated mutant ES clones lacking three major DNA methyltransferases (DNMTs). Intriguingly, DNMT3A and DNMT3B were essential for DNA methylation at a subset of ICRs in mouse ES cells although DNMT1 maintained DNA methylation at most known ICRs. These were similarly observed after extended culture. Germline-derived DNA methylation was lost at the examined ICRs lacking DNMTs according to allelic analysis. Similar to DNMT1, DNMT3A and DNMT3B were required for maintaining DNA methylation at repeats, genic regions, and other genomic sequences. Therefore, three DNA methyltransferases play complementary roles in maintaining DNA methylation in mouse ES cells including DNA methylation at the ICRs primarily mediated through the ZFP57-dependent pathway. ZFP57 maintains DNA methylation at the ICR of most imprinted regions in ES cells TET proteins may not be essential for maintaining most ICR DNA methylation in ES cells DNMT3 is required for the maintenance of DNA methylation at a subset of ICRs in ES cells Maintenance functions of DNMT1 and DNMT3 are complementary at repeats and genic regions
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Affiliation(s)
- Yuhan Liu
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
- CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai 200031, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhen Xu
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Jiajia Shi
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yu Zhang
- Center for Stem Cell Biology and Regenerative Medicine, MOE Key Laboratory of Bioinformatics, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai 200032, China
| | - Shuting Yang
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Qian Chen
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Chenglin Song
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Shuhui Geng
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Qing Li
- CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai 200031, China
| | - Jinsong Li
- CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai 200031, China
| | - Guo-Liang Xu
- CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai 200031, China
| | - Wei Xie
- Center for Stem Cell Biology and Regenerative Medicine, MOE Key Laboratory of Bioinformatics, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Haodong Lin
- Department of Orthopedic Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Xiajun Li
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
- Genome Editing Center, ShanghaiTech University, Shanghai 201210, China
- Corresponding author
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