Sestrins as a Therapeutic Bridge between ROS and Autophagy in Cancer

Miguel Sánchez-Álvarez1, Raffaele Strippoli2,3, Massimo Donadelli4

  • 1Mechanoadaptation & Caveolae Biology Lab, Cell and Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC). Madrid 28029, Spain. miguel.sanchez@cnic.es.

Cancers
|September 25, 2019
PubMed

Insights

Sestrin proteins regulate oxidative stress and metabolism, offering new therapeutic targets for cancer. Targeting these proteins could lead to novel treatments or enhance existing therapies for personalized medicine.

Area of Science:

  • Biochemistry
  • Oncology
  • Molecular Biology

Background:

  • Reactive Oxygen Species (ROS) regulation is crucial in cancer, involving metabolic pathways like autophagy and mTOR.
  • Cancer cells exhibit significant metabolic rewiring, making these pathways attractive therapeutic targets.

Purpose of the Study:

  • To explore the sestrin protein family as potential pharmacological targets for cancer therapy.
  • To highlight sestrin's role in integrating oxidative stress control and metabolic adaptation.

Main Methods:

  • Literature review and discussion of sestrin proteins' functions.
  • Analysis of sestrin's position within cellular regulatory networks.

Main Results:

  • Sestrins act as homeostatic transducers of oxidative stress.
  • Sestrins drive antioxidant and metabolic adaptation in cells.
  • Sestrins are positioned at the nexus of ROS control and metabolic/autophagy regulation.

Conclusions:

  • Sestrin proteins represent emerging targets for novel anti-tumor compounds.
  • Targeting sestrin may enable synergistic strategies with existing cancer therapies.
  • Sestrin-based approaches hold potential for personalized cancer medicine.

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