Cited by 351Biochemical and Molecular ResearchCancer, Hypoxia, and MetabolismMetabolism, Diabetes, and Cancer

The molecular determinants of de novo nucleotide biosynthesis in cancer cells

Open access
Tong, Xuemei, Zhao, Fangping, Thompson, Craig B·2009·Current Opinion in Genetics & Development

Abstract

Tumor cells increase the use of anabolic pathways to satisfy the metabolic requirements associated with a high growth rate. Transformed cells take up and metabolize nutrients such as glucose and glutamine at high levels that support anabolic growth. Oncogenic signaling through the PI3K/Akt and Myc pathways directly control glucose and glutamine uptake, respectively. In order to achieve elevated rates of nucleotide biosynthesis, neoplastic cells must divert carbon from PI3K/Akt-induced glycolytic flux into the nonoxidative branch of the pentose phosphate pathway to generate ribose-5-phosphate. This redirection of glucose catabolism appears to be regulated by cytoplasmic tyrosine kinases. Myc-induced glutamine metabolism also increases the abundance and activity of different rate-limiting enzymes that produce the molecular precursors required for de novo nucleotide synthesis. In this review, we will focus on recent progress in understanding how glucose and glutamine metabolism is redirected by oncogenes in order to support de novo nucleotide biosynthesis during proliferation and how metabolic reprogramming can be potentially exploited in the development of new cancer therapies.

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Crossref · 10.1016/j.gde.2009.01.002

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  • Cytosolic glutamine supports nucleotide biosynthesis, which is essential for rapidly proliferating cells.

    “Cytosolic glutamine supports nucleotide biosynthesis, which is essential for rapidly proliferating cells30.”

    From Glutamine reliance in cell metabolism (2020) · cites this paper as [30]

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Authors
Tong, X., Zhao, F., & Thompson, C. B.
Affiliations
Abramson Cancer Center (US)
Corresponding author
  • Tong, Xuemei
  • Zhao, Fangping
  • Thompson, Craig B
Venue
Current Opinion in Genetics & Development
Publisher
Elsevier BV
Published
2009-02
Volume
19
Issue
1
Pages
32-37
ISSN
0959-437X (ISSN-L)
OpenAlex
W2002869675
Cited by
351
References
56
Citations by year
2026: 13 · 2025: 14 · 2024: 22 · 2023: 20 · 2022: 22 · 2021: 24 · 2020: 32 · 2019: 20 · 2018: 18 · 2017: 15 · 2016: 17 · 2015: 26 · 2014: 17 · 2013: 15 · 2012: 33
FWCI
1.91
Type
journal article
Language
en
Open access
Locations
  • Current Opinion in Genetics & Development (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Cancer Institute (R01CA092660)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biochemical and Molecular Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
cancer metabolism, metabolic reprogramming, PI3K/Akt signaling, c-Myc, glucose metabolism, glutamine metabolism, pentose phosphate pathway, ribose-5-phosphate, glycolysis, oncogenic signaling, cancer therapy
MeSH terms
Animals, Cell Transformation, Neoplastic, Glucose, Glutamine, Glycolysis, Humans, Models, Biological, Neoplasms, Pentose Phosphate Pathway, Ribosemonophosphates, Proto-Oncogene Proteins c-myc, Protein Serine-Threonine Kinases, Phosphatidylinositol 3-Kinases, Cell Line, Tumor, Proto-Oncogene Proteins c-akt

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