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Oncometabolites: Unconventional triggers of oncogenic signalling cascades

Marco Sciacovelli1, Christian Frezza1

  • 1Medical Research Council Cancer Unit, University of Cambridge, Hutchison/MRC Research Centre, Box 197, Cambridge Biomedical Campus, Cambridge CB2 0XZ, United Kingdom.

Free Radical Biology & Medicine
|April 28, 2016
PubMed

Insights

Altered metabolism, particularly the accumulation of oncometabolites, plays a key role in cancer development. This metabolic shift, triggered by environmental factors, offers a new perspective on tumorigenesis beyond genetic mutations.

Area of Science:

  • Oncology
  • Metabolic pathways
  • Cancer biology

Background:

  • Cancer is a complex disease driven by genetic mutations.
  • Altered cellular metabolism is increasingly recognized as a hallmark of cancer.
  • The tricarboxylic acid (TCA) cycle enzymes are frequently mutated in various cancers.

Purpose of the Study:

  • To review the role of oncometabolites in cancer development.
  • To explore the link between mitochondrial dysfunction and tumorigenesis.
  • To propose alternative routes to cancer initiation involving metabolic alterations.

Main Methods:

  • Literature review of studies on cancer metabolism and oncometabolites.
  • Analysis of the impact of TCA cycle mutations on cellular transformation.
  • Integration of findings on environmental influences on metabolic pathways.

Main Results:

  • Oncometabolites, small molecule metabolites, are implicated in promoting tumorigenesis.
  • Mitochondrial dysfunction contributes to cancer through oncometabolite accumulation.
  • Environmental cues can trigger oncometabolite accumulation, initiating cancer.

Conclusions:

  • Oncometabolite accumulation represents a significant mechanism driving cancer.
  • Metabolic dysregulation offers a complementary pathway to genetic mutations in tumorigenesis.
  • Understanding oncometabolite roles may reveal novel therapeutic strategies for cancer.
Keywords:
2-HydroxyglutarateCancerFHFumarateIDHMitochondriaOncometabolitesSDHSuccinate

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