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FOXO Transcription Factors: A Brief Overview

Wolfgang Link1, Bibiana I Ferreira2,3

  • 1Department of Cancer Biology, Sols-Morreale Biomedical Research Institute (IIBM), Spanish National Research Council (CSIC), Universidad Autónoma de Madrid (UAM), Madrid, Spain. walink@iib.uam.es.

Methods in Molecular Biology (Clifton, N.J.)
|November 20, 2024
PubMed

Insights

Forkhead box O (FOXO) transcription factors regulate cellular homeostasis and are implicated in metabolic disorders and cancer. Pharmaceutical strategies aim to restore FOXO activity, offering therapeutic potential.

Area of Science:

  • Molecular Biology
  • Cellular Biology
  • Genetics

Background:

  • Forkhead box O (FOXO) transcription factors (FOXO1, FOXO3, FOXO4, FOXO6) are key regulators of cellular homeostasis.
  • Initially identified in insulin signaling, FOXOs control energy metabolism, oxidative stress resistance, cell viability, and proliferation.
  • Dysregulation of FOXO proteins is linked to metabolic disorders, longevity, and tumorigenesis.

Purpose of the Study:

  • To summarize the role of FOXO transcription factors in cellular homeostasis.
  • To highlight the involvement of FOXO dysregulation in various diseases.
  • To explore the therapeutic potential of restoring FOXO activity.

Main Methods:

  • Review of existing literature on FOXO transcription factors.
  • Analysis of FOXO's role in cellular processes and disease pathways.
  • Investigation of regulatory mechanisms, including posttranslational modifications.

Main Results:

  • FOXO factors bind to target gene promoters, influencing critical cellular functions.
  • FOXO dysregulation is a significant factor in metabolic diseases and cancer development.
  • Posttranslational modifications are crucial for FOXO regulation, with inactivation often linked to upstream enzyme activity.

Conclusions:

  • Restoring FOXO activity presents a promising therapeutic strategy for various conditions.
  • Understanding FOXO regulation is vital for developing novel pharmaceutical interventions.
  • Targeting FOXO pathways could offer new avenues for treating metabolic disorders and cancer.
Keywords:
CancerDaf-16FOXO1FOXO3FOXO4FOXO6LongevityTherapeutic targets

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