Cited by 25Acute Myeloid Leukemia ResearchEpigenetics and DNA MethylationChromatin Remodeling and Cancer

Mutant IDH : A Targetable Driver of Leukemic Phenotypes Linking Metabolism, Epigenetics and Transcriptional Regulation

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Garrett-Bakelman, Francine E, Melnick, Ari M·2016·Epigenomics

Abstract

Aberrant epigenomic programming is a hallmark of acute myeloid leukemia. This is partially due to somatic mutations that perturb cytosine methylation, histone post-translational modifications and transcription factors. Remarkably, mutations in the IDH1 and IDH2 genes perturb the epigenome through all three of these mechanisms. Mutant IDH enzymes produce high levels of the oncometabolite (R)-2-hydroxyglutarate that competitively inhibits dioxygenase enzymes that modify methylcytosine to hydroxymethylcytosine and histone tail methylation. The development of IDH mutant specific inhibitors may now enable the therapeutic reprogramming of both layers of the epigenome spontaneously to revert the malignant phenotype of these leukemias and improve clinical outcome for acute myeloid leukemia patients with IDH mutations.

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  • Most histone modifying enzymes also methylate non-histone substrates, such as the tumour suppressor p53 protein.

    “This situation is further compounded by (i) most histone modifying enzymes also methylating non-histone substrates, such as the tumour suppressor p53 protein 36 ,”

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Authors
Garrett-Bakelman, F. E., & Melnick, A. M.
Affiliations
Weill Cornell Medicine (US)
Venue
Epigenomics
Published
2016-07
Volume
8
Issue
7
Pages
945-957
ISSN
  • 1750-1911 (ISSN-L)
  • 1750-192X
OpenAlex
W2484912202
Cited by
25
References
88
Citations by year
2026: 1 · 2025: 1 · 2024: 4 · 2023: 2 · 2022: 1 · 2021: 4 · 2020: 2 · 2019: 4 · 2018: 4 · 2017: 2
FWCI
0.47
Type
journal article
Language
en
Open access
Locations
  • Epigenomics (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Cancer Institute (K08CA169055, R01CA198089)
  • American Society of Hematology (ASHAMFDP-20121)
Topics
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
IDH1 mutation, IDH2 mutation, acute myeloid leukemia, 2-hydroxyglutarate, oncometabolites, DNA hydroxymethylation, histone methylation, cytosine methylation, epigenetic reprogramming, IDH inhibitors, transcriptional regulation, histone modifications
MeSH terms
Animals, Humans, Isocitrate Dehydrogenase, Mutation, Phenotype, Transcription, Genetic, Gene Expression Regulation, Leukemic, Epigenesis, Genetic

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