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DNA methylation dynamics in health and disease

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TLDR
Dynamics of DNA methylation during normal development in vivo are discussed, starting from fertilization through embryogenesis and postnatal growth, as well as abnormal methylation changes that occur in cancer.
Abstract
DNA methylation is an epigenetic mark that is erased in the early embryo and then re-established at the time of implantation. In this Review, dynamics of DNA methylation during normal development in vivo are discussed, starting from fertilization through embryogenesis and postnatal growth, as well as abnormal methylation changes that occur in cancer.

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The DNA methyltransferase family: a versatile toolkit for epigenetic regulation

TL;DR: Analysis of molecular interactions and changes in gene copy numbers modulate the activity of DNMTs in diverse gene regulatory functions, including transcriptional silencing, transcriptional activation and post-transcriptional regulation by DNMT2-dependent tRNA methylation enables the DNMT family to function as a versatile toolkit for epigenetic regulation.
Journal ArticleDOI

DNA methylation and healthy human aging

TL;DR: Healthy human aging throughout the lifetime is focused on and the dynamics of DNA methylation is discussed, as well as how interactions between the genome, environment, and the epigenome influence aging rates are discussed.
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Histone Methylation Dynamics and Gene Regulation Occur through the Sensing of One-Carbon Metabolism

TL;DR: Modulation of methionine in diet led to changes in metabolism and histone methylation in the liver, and this dynamic interaction led to rapid changes in H3K4me3, altered gene transcription, and provided feedback regulation to one-carbon metabolism.
References
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Journal ArticleDOI

An integrated encyclopedia of DNA elements in the human genome

TL;DR: The Encyclopedia of DNA Elements project provides new insights into the organization and regulation of the authors' genes and genome, and is an expansive resource of functional annotations for biomedical research.
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DNA methyltransferases Dnmt3a and Dnmt3b are essential for de novo methylation and mammalian development.

TL;DR: It is demonstrated that two recently identified DNA methyltransferases, DnMT3a and Dnmt3b, are essential for de novo methylation and for mouse development and play important roles in normal development and disease.
Journal ArticleDOI

The fundamental role of epigenetic events in cancer

TL;DR: This review discusses patterns of DNA methylation and chromatin structure in neoplasia and the molecular alterations that might cause them and/or underlie altered gene expression in cancer.
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The epigenomics of cancer.

TL;DR: Recent advances in understanding how epigenetic alterations participate in the earliest stages of neoplasia, including stem/precursor cell contributions, are reviewed and the growing implications of these advances for strategies to control cancer are discussed.
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Targeted mutation of the DNA methyltransferase gene results in embryonic lethality.

TL;DR: Results indicate that while a 3-fold reduction in levels of genomic m5C has no detectable effect on the viability or proliferation of ES cells in culture, a similar reduction of DNA methylation in embryos causes abnormal development and embryonic lethality.
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