One-Carbon Metabolism in Health and Disease

Gregory S. Ducker, Joshua D. Rabinowitz

Research output: Contribution to journalReview articlepeer-review

347 Scopus citations

Abstract

One-carbon (1C) metabolism, mediated by the folate cofactor, supports multiple physiological processes. These include biosynthesis (purines and thymidine), amino acid homeostasis (glycine, serine, and methionine), epigenetic maintenance, and redox defense. Both within eukaryotic cells and across organs, 1C metabolic reactions are compartmentalized. Here we review the fundamentals of mammalian 1C metabolism, including the pathways active in different compartments, cell types, and biological states. Emphasis is given to recent discoveries enabled by modern genetics, analytical chemistry, and isotope tracing. An emerging theme is the biological importance of mitochondrial 1C reactions, both for producing 1C units that are exported to the cytosol and for making additional products, including glycine and NADPH. Increased clarity regarding differential folate pathway usage in cancer, stem cells, development, and adult physiology is reviewed and highlights new opportunities for selective therapeutic intervention.

Original languageEnglish (US)
Pages (from-to)27-42
Number of pages16
JournalCell Metabolism
Volume25
Issue number1
DOIs
StatePublished - Jan 10 2017

All Science Journal Classification (ASJC) codes

  • Physiology
  • Molecular Biology
  • Cell Biology

Keywords

  • MTHFD2
  • cancer metabolism
  • folate
  • mitochondria
  • neural tube defects
  • one-carbon metabolism
  • serine

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