PreprintCited by 297Cancer, Hypoxia, and MetabolismGlioma Diagnosis and TreatmentCancer, Lipids, and Metabolism

D-2-hydroxyglutarate produced by mutant IDH1 perturbs collagen maturation and basement membrane function

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Sasaki, Masato, Knobbe, Christiane B., Itsumi, Momoe, Elia, Andrew J., Harris, Isaac S., Chio, Iok In Christine, Cairns, Rob A., McCracken, Susan +12 more·2012·Genes & Development

Abstract

Isocitrate dehydrogenase-1 ( IDH1 ) R132 mutations occur in glioma, but their physiological significance is unknown. Here we describe the generation and characterization of brain-specific Idh1 R132H conditional knock-in (KI) mice. Idh1 mutation results in hemorrhage and perinatal lethality. Surprisingly, intracellular reactive oxygen species (ROS) are attenuated in Idh1-KI brain cells despite an apparent increase in the NADP + /NADPH ratio. Idh1-KI cells also show high levels of D-2-hydroxyglutarate (D2HG) that are associated with inhibited prolyl-hydroxylation of hypoxia-inducible transcription factor-1α (Hif1α) and up-regulated Hif1α target gene transcription. Intriguingly, D2HG also blocks prolyl-hydroxylation of collagen, causing a defect in collagen protein maturation. An endoplasmic reticulum (ER) stress response induced by the accumulation of immature collagens may account for the embryonic lethality of these mutants. Importantly, D2HG-mediated impairment of collagen maturation also led to basement membrane (BM) aberrations that could play a part in glioma progression. Our study presents strong in vivo evidence that the D2HG produced by the mutant Idh1 enzyme is responsible for the above effects.

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  • High levels of succinate or 2-HG inhibit α-KGDDs, including PHDs, TET DNA demethylases, and JMJDs.

    “High levels of succinate or 2-HG inhibit α-KGDDs. These include the PHDs, the TET DNA demethylases, and the JMJDs154-156”

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Authors
Sasaki, M., Knobbe, C. B., Itsumi, M., Elia, A. J., Harris, I. S., Chio, I. I. C., Cairns, R. A., McCracken, S., Wakeham, A., Haight, J., Ten, A. Y., Snow, B., Ueda, T., Inoue, S., Yamamoto, K., Ko, M., Rao, A., Yen, K. E., Su, S. M., & Mak, T. W.
Affiliations
  • University Health Network (CA)
  • La Jolla Institute for Immunology (US)
  • Agios Pharmaceuticals (United States) (US)
Venue
Genes & Development
Published
2012-08-27
Volume
26
Issue
18
Pages
2038-2049
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2132555177
Cited by
296
References
60
Citations by year
2026: 5 · 2025: 14 · 2024: 12 · 2023: 18 · 2022: 19 · 2021: 16 · 2020: 19 · 2019: 22 · 2018: 28 · 2017: 29 · 2016: 29 · 2015: 25 · 2014: 29 · 2013: 22 · 2012: 9
Type
posted content
Language
en
Open access
Locations
  • Genes & Development (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Scholarworks@UNIST (Ulsan National Institute of Science and Technology) (submittedVersion)
Funders
  • Canadian Institutes of Health Research
  • National Cancer Institute (R01CA151535)
  • National Institute of Allergy and Infectious Diseases (R01AI044432)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD065812)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Health Sciences › Medicine › Genetics › Glioma Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
Keywords
D-2-hydroxyglutarate, IDH1 R132H mutation, glioma, collagen maturation, prolyl hydroxylation, HIF-1α, reactive oxygen species, NADPH/NADP+ ratio, endoplasmic reticulum stress, basement membrane, conditional knock-in mice, embryonic lethality, hypoxia
MeSH terms
Animals, Basement Membrane, Brain, Collagen, Genotype, Glioma, Glutarates, Isocitrate Dehydrogenase, Mutation, Stress, Physiological, Reactive Oxygen Species, Mice, Protein Stability, Gene Knock-In Techniques

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