Adenine nucleotide translocase family: four isoforms for apoptosis modulation in cancer

C Brenner1, K Subramaniam, C Pertuiset

  • 1Univ Paris-Sud, Châtenay-Malabry, France. catherine.brenner-jan@u-psud.fr

Oncogene
|November 16, 2010
PubMed

Insights

Adenine nucleotide translocase (ANT) proteins regulate cell death by exporting ATP or forming pores. This review classifies ANT isoforms and discusses their roles in apoptosis and cancer.

Area of Science:

  • Mitochondrial biology
  • Cell death pathways
  • Biochemistry

Background:

  • Mitochondria are central to cellular energy production and apoptosis.
  • Adenine nucleotide translocase (ANT) proteins have dual roles in regulating cell fate.
  • ANT function is critical in cellular stress responses and apoptosis.

Purpose of the Study:

  • To review the current understanding of ANT in apoptosis and cancer.
  • To propose a novel classification of ANT isoforms.
  • To highlight the differential roles of ANT isoforms in cell death.

Main Methods:

  • Literature review of ANT function in apoptosis and cancer.
  • Analysis of existing data on ANT gene expression.
  • Synthesis of information on ANT isoform roles.

Main Results:

  • ANT proteins can either promote cell survival or trigger cell death.
  • ANT expression is tissue-specific and altered in pathophysiological states.
  • Evidence suggests distinct roles for ANT isoforms in apoptosis and cancer.

Conclusions:

  • ANT isoforms play complex and differential roles in apoptosis.
  • Dysregulation of ANT expression is implicated in cancer development.
  • A new classification of ANT isoforms is proposed based on their functions.

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