Dynamic DNA methylation reveals novel cis-regulatory elements in mouse hematopoiesis
Copyright © 2022 ISEH -- Society for Hematology and Stem Cells. Published by Elsevier Inc. All rights reserved..
Differentiation of hematopoietic stem and progenitor cells to terminally differentiated immune cells is accompanied by large-scale remodeling of the DNA methylation landscape. Although significant insights into the molecular mechanisms of hematopoietic tissue regeneration were derived from mouse models, profiling of DNA methylation has been hampered by high cost or low resolution using available methods. The recent development of the Infinium Mouse Methylation BeadChip (MMBC) array facilitates methylation profiling of the mouse genome at a single CpG resolution at affordable cost. We extended the RnBeads package to provide a computational framework for the analysis of MMBC data. This framework was applied to a newly generated reference map of mouse hematopoiesis encompassing nine different cell types. Analysis of dynamically regulated CpG sites showed progressive and unidirectional DNA methylation changes from hematopoietic stem and progenitor cells to differentiated hematopoietic cells and allowed the identification of lineage- and cell type-specific DNA methylation programs. Comparison with previously published catalogs of cis-regulatory elements (CREs) revealed 12,856 novel putative CREs that were dynamically regulated by DNA methylation (mdCREs). These mdCREs were predominantly associated with patterns of cell type-specific DNA hypomethylation and could be identified as epigenetic control regions regulating the expression of key hematopoietic genes during differentiation. In summary, we established an analysis pipeline for MMBC data sets and provide a DNA methylation atlas of mouse hematopoiesis. This resource allowed us to identify novel putative CREs involved in hematopoiesis and will serve as a platform to study epigenetic regulation of normal and malignant hematopoiesis.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:117 |
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| Enthalten in: |
Experimental hematology - 117(2023) vom: 01. Jan., Seite 24-42.e7 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Schönung, Maximilian [VerfasserIn] |
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| Anmerkungen: |
Date Completed 09.01.2023 Date Revised 10.02.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.exphem.2022.11.001 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Differentiation of hematopoietic stem and progenitor cells to terminally differentiated immune cells is accompanied by large-scale remodeling of the DNA methylation landscape. Although significant insights into the molecular mechanisms of hematopoietic tissue regeneration were derived from mouse models, profiling of DNA methylation has been hampered by high cost or low resolution using available methods. The recent development of the Infinium Mouse Methylation BeadChip (MMBC) array facilitates methylation profiling of the mouse genome at a single CpG resolution at affordable cost. We extended the RnBeads package to provide a computational framework for the analysis of MMBC data. This framework was applied to a newly generated reference map of mouse hematopoiesis encompassing nine different cell types. Analysis of dynamically regulated CpG sites showed progressive and unidirectional DNA methylation changes from hematopoietic stem and progenitor cells to differentiated hematopoietic cells and allowed the identification of lineage- and cell type-specific DNA methylation programs. Comparison with previously published catalogs of cis-regulatory elements (CREs) revealed 12,856 novel putative CREs that were dynamically regulated by DNA methylation (mdCREs). These mdCREs were predominantly associated with patterns of cell type-specific DNA hypomethylation and could be identified as epigenetic control regions regulating the expression of key hematopoietic genes during differentiation. In summary, we established an analysis pipeline for MMBC data sets and provide a DNA methylation atlas of mouse hematopoiesis. This resource allowed us to identify novel putative CREs involved in hematopoiesis and will serve as a platform to study epigenetic regulation of normal and malignant hematopoiesis | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 700 | 1 | |a Hartmann, Mark |e verfasserin |4 aut | |
| 700 | 1 | |a Krämer, Stephen |e verfasserin |4 aut | |
| 700 | 1 | |a Stäble, Sina |e verfasserin |4 aut | |
| 700 | 1 | |a Hakobyan, Mariam |e verfasserin |4 aut | |
| 700 | 1 | |a Kleinert, Emely |e verfasserin |4 aut | |
| 700 | 1 | |a Aurich, Theo |e verfasserin |4 aut | |
| 700 | 1 | |a Cobanoglu, Defne |e verfasserin |4 aut | |
| 700 | 1 | |a Heidel, Florian H |e verfasserin |4 aut | |
| 700 | 1 | |a Fröhling, Stefan |e verfasserin |4 aut | |
| 700 | 1 | |a Milsom, Michael D |e verfasserin |4 aut | |
| 700 | 1 | |a Schlesner, Matthias |e verfasserin |4 aut | |
| 700 | 1 | |a Lutsik, Pavlo |e verfasserin |4 aut | |
| 700 | 1 | |a Lipka, Daniel B |e verfasserin |4 aut | |
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