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Epigenetics and DNA Methylation
Research Guide
What is Epigenetics and DNA Methylation?
Epigenetics and DNA methylation refers to the study of heritable changes in gene expression that do not involve alterations to the underlying DNA sequence, with DNA methylation being a key mechanism involving the addition of methyl groups to cytosine bases, typically in CpG dinucleotides, to regulate chromatin structure and gene activity.
The field encompasses 133,138 works exploring mechanisms like DNA methylation, histone modifications, and chromatin remodeling in processes such as cancer development and environmental responses. DNA methylation is catalyzed by methyltransferase enzymes using S-adenosyl methionine and affects transcription factor binding as described in recent Nature Portfolio articles. These modifications propagate mitotically and influence biological outcomes including transgenerational inheritance.
Topic Hierarchy
Research Sub-Topics
DNA Methylation in Cancer Epigenetics
Researchers study aberrant promoter hypermethylation and global hypomethylation patterns driving oncogene activation and tumor suppressor silencing across cancer types. Studies include methylation arrays, biomarkers for early detection, and therapeutic demethylation.
Histone Modifications and Chromatin Dynamics
This sub-topic investigates combinatorial histone post-translational modifications (acetylation, methylation, phosphorylation) regulating chromatin accessibility and transcriptional states. Research employs ChIP-seq, mass spectrometry, and reader/writer/eraser enzyme functions.
Epigenetic Reprogramming Mechanisms
Studies elucidate active and passive DNA demethylation pathways involving TET enzymes, base excision repair, and replication-dependent dilution during embryogenesis and induced pluripotency. Researchers map dynamic landscapes in germ cells and zygotes.
Transgenerational Epigenetic Inheritance
This area examines stable transmission of epigenetic marks (DNA methylation, histone variants, ncRNAs) across multiple generations in response to environmental exposures in model organisms and humans. Research addresses germline reprogramming escape mechanisms.
Epigenetic Therapy in Oncology
Clinical and preclinical research evaluates DNA methyltransferase inhibitors (azacitidine, decitabine) and histone deacetylase inhibitors for hematological and solid malignancies. Studies optimize combinations, biomarkers of response, and resistance mechanisms.
Why It Matters
DNA methylation regulates gene expression in cancer, with "Chromatin Modifications and Their Function" by Kouzarides (2007) detailing how modifications impinge on histone termini to control DNA access, relevant to cancer epigenetics. Epigenetic therapy targets these changes, as in "Epigenetic Regulations of GABAergic Neurotransmission: Relevance for Neurological Disorders and Epigenetic Therapy" by Shrestha and Offer (2016), linking GABAergic alterations to neurological disorders. Recent developments include Epigenic Therapeutics raising $60m for EPI-003 to treat chronic hepatitis B and TruDiagnostic's NIH-funded W-Function model using DNA methylation to predict chronic diseases.
Reading Guide
Where to Start
"Chromatin Modifications and Their Function" by Kouzarides (2007) provides a foundational overview of posttranslational histone modifications regulating DNA access, essential for understanding DNA methylation contexts with 10,559 citations.
Key Papers Explained
"Chromatin Modifications and Their Function" by Kouzarides (2007) establishes core mechanisms of histone changes; "Translating the Histone Code" by Jenuwein and Allis (2001) builds on this by detailing synergistic modification effects; "Model-based Analysis of ChIP-Seq (MACS)" by Zhang et al. (2008) provides tools to detect these modifications empirically; "Epigenetic Regulations of GABAergic Neurotransmission: Relevance for Neurological Disorders and Epigenetic Therapy" by Shrestha and Offer (2016) applies concepts to neurotransmission and therapy.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Recent preprints focus on in vivo DNA methylation editing in transgenic mice, spatial methylome-transcriptome profiling in tissues, and single-cell multi-omic detection of methylation and histone marks; news highlights Epigenic's $60m for hepatitis B therapy and TruDiagnostic's NIH grant for methylation-based disease prediction.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Model-based Analysis of ChIP-Seq (MACS) | 2008 | Genome biology | 19.0K | ✓ |
| 2 | Simple Combinations of Lineage-Determining Transcription Facto... | 2010 | Molecular Cell | 13.9K | ✓ |
| 3 | A human gut microbial gene catalogue established by metagenomi... | 2010 | Nature | 11.4K | ✓ |
| 4 | Developing and evaluating complex interventions: the new Medic... | 2008 | BMJ | 10.9K | ✓ |
| 5 | Chromatin Modifications and Their Function | 2007 | Cell | 10.6K | ✕ |
| 6 | Stem cells, cancer, and cancer stem cells | 2001 | Nature | 9.6K | ✓ |
| 7 | Translating the Histone Code | 2001 | Science | 9.6K | ✕ |
| 8 | Epigenetic Regulations of GABAergic Neurotransmission: Relevan... | 2016 | Medical Epigenetics | 9.0K | ✓ |
| 9 | WAF1, a potential mediator of p53 tumor suppression | 1993 | Cell | 8.4K | ✕ |
| 10 | Hallmarks of Cancer: New Dimensions | 2022 | Cancer Discovery | 8.2K | ✓ |
In the News
TruDiagnostic Awarded NIH SBIR Grant to Advance ...
Health (NIH). The funding supports development of the company's W-Function Epigenomic Roadmap, a next-generation model for understanding how DNA methylation changes over time to predict and prevent...
Epigenic raises $60m for epigenetic treatment development
China’s Epigenic Therapeutics has completed a Series B funding round, raising $60m to support the clinical development of its epigenetic inactivator, EPI-003, aimed at providing a functional cure f...
Epigenetic editing: from concept to clinic
Dysregulated gene expression is associated with nearly all human disease and can be mediated by epigenetic modifications. Epigenetic editing aims to reprogramme gene expression by rewriting epigene...
Epinoma Advances Novel Disease Detection Tech
Epinoma leverages the detection of epigenetic signals in the body for early-stage cancer detection and minimal residual disease monitoring.
Epigenomics and Epigenetics Research | EGRP/DCCPS/NCI ...
epigenetic factors to histone tails; alters the extent to which DNA is wrapped around histones and the availability of genes in the DNA to be activated. All of these factors and processes can have ...
Code & Tools
## Repository files navigation # dnaMethyAge A user friendly **R package** to predict epigenetic age and calculate age acceleration from DNA meth...
## Introduction **DNA methylation**is a chemical modification of DNA molecules that is present in many biological species, including humans.
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## Pipelines
This module will show you how to run a whole genome bisulfite sequencing (WGBS) data analysis workflow on Google Cloud Platform (GCP). In addition ...
Recent Preprints
DNA methylation articles from across Nature Portfolio
DNA methylation is the covalent addition of methyl groups to DNA bases, typically the cytosine of CpG dinucleotides. It is catalyzed by methyltransferase enzymes using a S-adenosyl methionine donor...
Epigenetic editing: from concept to clinic
Dysregulated gene expression is associated with nearly all human disease and can be mediated by epigenetic modifications. Epigenetic editing aims to reprogramme gene expression by rewriting epigene...
Spatial joint profiling of DNA methylome and transcriptome in tissues
DNA methylation is a key epigenetic mechanism that modulates gene expression and lineage specification by regulating chromatin structure and accessibility to transcriptional machinery 4 , 5 . This ...
Editing DNA methylation in vivo
DNA methylation is a crucial epigenetic mechanism that regulates gene expression. Precise editing of DNA methylation has emerged as a promising tool for dissecting its biological function. However,...
Single-cell multi-omic detection of DNA methylation and histone modifications reconstructs the dynamics of epigenomic maintenance
DNA methylation (5-methylcytosine; 5mC) and histone modifications are the two major, heritable epigenetic marks. Pioneering work has established single-cell 5mC profiling by bisulfite sequencing (s...
Latest Developments
Recent developments in epigenetics and DNA methylation research include advances in high-throughput single-cell multi-omics solutions for profiling DNA methylation and transcriptomes, as well as the creation of comprehensive atlases of allele-specific methylation across human tissues, and new in vivo editing techniques for DNA methylation, all reported in early 2026 (CAS, Newswise, Nature, Nature Communications).
Sources
Frequently Asked Questions
What is DNA methylation?
DNA methylation is the covalent addition of methyl groups to DNA bases, typically cytosine in CpG dinucleotides, catalyzed by methyltransferase enzymes using S-adenosyl methionine. It leads to mitotic propagation of the modified sequence and affects binding of regulatory proteins like transcription factors. This mechanism modulates chromatin structure and gene expression across cell types and conditions.
How does MACS analyze ChIP-Seq data for epigenetics?
"Model-based Analysis of ChIP-Seq (MACS)" by Zhang et al. (2008) presents a tool that empirically models the shift size of ChIP-Seq tags from short read sequencers to improve spatial resolution of predicted binding sites. It enhances analysis of epigenetic modifications like histone marks and DNA-binding proteins. MACS has 18,958 citations, underscoring its role in epigenetics research.
What role do chromatin modifications play in gene regulation?
"Chromatin Modifications and Their Function" by Kouzarides (2007) explains that posttranslational modifications on histone amino termini regulate access to underlying DNA. These changes influence chromatin structure in processes like cancer epigenetics. The paper has 10,559 citations.
How are histone codes translated in epigenetics?
"Translating the Histone Code" by Jenuwein and Allis (2001) describes how distinct histone amino-terminal modifications generate synergistic or antagonistic effects on chromatin-mediated gene regulation. This framework applies to epigenetic control in development and disease. It has 9,602 citations.
What is epigenetic therapy?
"Epigenetic Regulations of GABAergic Neurotransmission: Relevance for Neurological Disorders and Epigenetic Therapy" by Shrestha and Offer (2016) highlights epigenetic therapy targeting GABAergic neurotransmission alterations in neurological disorders. Such therapies reprogram gene expression via epigenetic modifications. The paper has 8,954 citations.
What are current applications of epigenetic editing?
"Epigenetic editing: from concept to clinic" (2025) aims to reprogram gene expression by rewriting epigenetic signatures without genome editing, addressing dysregulated expression in human diseases. It has progressed from concept to potential clinical use. Recent news notes its association with nearly all human diseases.
Open Research Questions
- ? How can precise in vivo editing of DNA methylation be achieved for dissecting biological functions, as challenged by delivery limitations?
- ? What are the dynamics of single-cell multi-omic profiling for DNA methylation and histone modifications in epigenomic maintenance?
- ? How do spatial joint profiles of DNA methylome and transcriptome vary across tissues, cell types, and environmental conditions?
- ? What epigenetic signatures can be rewritten for therapeutic reprogramming in cancer and neurological disorders?
- ? How does DNA methylation change over time to predict chronic diseases, as modeled in new epigenomic roadmaps?
Recent Trends
Preprints from the last 6 months emphasize in vivo DNA methylation editing, spatial joint methylome-transcriptome profiling, and single-cell multi-omic epigenomic dynamics; news reports Epigenic Therapeutics raising $60m for EPI-003 in hepatitis B treatment and TruDiagnostic's NIH SBIR grant for W-Function modeling DNA methylation changes for chronic disease prediction.
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