Oxidative Stress-Induced Cellular Senescence: Is Labile Iron the Connecting Link?

Cellular senescence, a cell state characterized by a generally irreversible cell cycle arrest, is implicated in various physiological processes and a wide range of age-related pathologies. Oxidative stress, a condition caused by an imbalance between the production and the elimination of reactive oxy...

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Main Authors: Lambros Nousis, Panagiotis Kanavaros, Alexandra Barbouti
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Antioxidants
Subjects:
Online Access:https://www.mdpi.com/2076-3921/12/6/1250
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author Lambros Nousis
Panagiotis Kanavaros
Alexandra Barbouti
author_facet Lambros Nousis
Panagiotis Kanavaros
Alexandra Barbouti
author_sort Lambros Nousis
collection DOAJ
description Cellular senescence, a cell state characterized by a generally irreversible cell cycle arrest, is implicated in various physiological processes and a wide range of age-related pathologies. Oxidative stress, a condition caused by an imbalance between the production and the elimination of reactive oxygen species (ROS) in cells and tissues, is a common driver of cellular senescence. ROS encompass free radicals and other molecules formed as byproducts of oxygen metabolism, which exhibit varying chemical reactivity. A prerequisite for the generation of strong oxidizing ROS that can damage macromolecules and impair cellular function is the availability of labile (redox-active) iron, which catalyzes the formation of highly reactive free radicals. Targeting labile iron has been proven an effective strategy to counteract the adverse effects of ROS, but evidence concerning cellular senescence is sparse. In the present review article, we discuss aspects of oxidative stress-induced cellular senescence, with special attention to the potential implication of labile iron.
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spelling doaj.art-4d046eebd0f6484e8df9ac32dda30dec2023-11-18T09:03:34ZengMDPI AGAntioxidants2076-39212023-06-01126125010.3390/antiox12061250Oxidative Stress-Induced Cellular Senescence: Is Labile Iron the Connecting Link?Lambros Nousis0Panagiotis Kanavaros1Alexandra Barbouti2Department of Hygiene and Epidemiology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, GreeceDepartment of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, GreeceDepartment of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, GreeceCellular senescence, a cell state characterized by a generally irreversible cell cycle arrest, is implicated in various physiological processes and a wide range of age-related pathologies. Oxidative stress, a condition caused by an imbalance between the production and the elimination of reactive oxygen species (ROS) in cells and tissues, is a common driver of cellular senescence. ROS encompass free radicals and other molecules formed as byproducts of oxygen metabolism, which exhibit varying chemical reactivity. A prerequisite for the generation of strong oxidizing ROS that can damage macromolecules and impair cellular function is the availability of labile (redox-active) iron, which catalyzes the formation of highly reactive free radicals. Targeting labile iron has been proven an effective strategy to counteract the adverse effects of ROS, but evidence concerning cellular senescence is sparse. In the present review article, we discuss aspects of oxidative stress-induced cellular senescence, with special attention to the potential implication of labile iron.https://www.mdpi.com/2076-3921/12/6/1250oxidative stressreactive oxygen specieslabile ironcellular senescencetelomeresDNA-damage
spellingShingle Lambros Nousis
Panagiotis Kanavaros
Alexandra Barbouti
Oxidative Stress-Induced Cellular Senescence: Is Labile Iron the Connecting Link?
Antioxidants
oxidative stress
reactive oxygen species
labile iron
cellular senescence
telomeres
DNA-damage
title Oxidative Stress-Induced Cellular Senescence: Is Labile Iron the Connecting Link?
title_full Oxidative Stress-Induced Cellular Senescence: Is Labile Iron the Connecting Link?
title_fullStr Oxidative Stress-Induced Cellular Senescence: Is Labile Iron the Connecting Link?
title_full_unstemmed Oxidative Stress-Induced Cellular Senescence: Is Labile Iron the Connecting Link?
title_short Oxidative Stress-Induced Cellular Senescence: Is Labile Iron the Connecting Link?
title_sort oxidative stress induced cellular senescence is labile iron the connecting link
topic oxidative stress
reactive oxygen species
labile iron
cellular senescence
telomeres
DNA-damage
url https://www.mdpi.com/2076-3921/12/6/1250
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