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Characterization of FOXO Acetylation

Shang Yao1, Zimam Mahmud1, Nikoleta Sachini1,2,3

  • 1Department of Surgery and Cancer, Imperial College London, Imperial Centre for Translational and Experimental Medicine (ICTEM), London, UK.

Methods in Molecular Biology (Clifton, N.J.)
|November 11, 2018
PubMed

Insights

Forkhead box O3 (FOXO3) is a tumor suppressor. Targeting sirtuin proteins may offer new breast cancer treatment strategies by affecting FOXO3 inactivation.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Forkhead box O3 (FOXO3) acts as a tumor suppressor, regulating critical cellular processes like cell cycle, apoptosis, and metabolism.
  • Inactivation of FOXO3 is linked to cancer development and progression.
  • Sirtuin proteins can inactivate FOXO3 through deacetylation at the posttranslational level.

Purpose of the Study:

  • To investigate the role of sirtuin proteins in controlling FOXO3 posttranslational modifications.
  • To establish methods for studying sirtuin-mediated FOXO3 regulation in cancer cells.
  • To explore potential therapeutic strategies targeting sirtuin-FOXO3 interactions in breast cancer.

Main Methods:

  • Description of three distinct experimental procedures.
  • Focus on studying posttranslational modifications of FOXO3.
  • Utilizing cancer cell models to investigate sirtuin protein activity.

Main Results:

  • The study outlines methodologies for analyzing FOXO3 modifications.
  • The procedures allow for the examination of sirtuin-dependent FOXO3 regulation.
  • These methods are applicable to cancer cell research.

Conclusions:

  • Understanding sirtuin-mediated FOXO3 inactivation is crucial for cancer research.
  • Targeting sirtuin proteins presents a potential therapeutic avenue for breast cancer.
  • The described procedures facilitate further investigation into FOXO3 regulation in cancer.
Keywords:
AcetylationDeacetylationFOXO3SIRT1SIRT2Sirtuin

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