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Oxidative Stress and Iron Homeostasis: Mechanistic and Health Aspects
Abstract
Iron is an essential cofactor for important biological activities and biochemical reactions, including the transport of oxygen via red blood cells and its reduction to water during respiration. While iron's bioavailability is generally limited, pathological accumulation of the metal within tissues aggravates the generation of reactive oxygen species (ROS) and elicits toxic effects, which are mainly related to oxidative stress. Here, we describe the role of iron in ROS-induced toxicity and discuss molecular mechanisms and physiological aspects of ROS- and iron-mediated signaling. In addition, we review our current understanding of the regulation of iron homeostasis at the cellular and systemic levels, and focus on the pathogenesis and management of iron overload disorders.
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“Possibly the commonest means by which such much more damaging species, in particular the hydroxyl radical, are created is by reaction with unliganded or incompletely liganded iron ions [61-63].”
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“Possibly the commonest means by which such much more damaging species, in particular the hydroxyl radical, are created is by reaction with unliganded or incompletely liganded iron ions [61-63].”
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HSC20 interacts with frataxin and is involved in iron–sulfur cluster biogenesis and iron homeostasis
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Kitsati, N., Fokas, D., Ouzouni, M., Mantzaris, M. D., Barbouti, A., & Galaris, D. (2012) · Journal of Agricultural and Food Chemistry · doi:10.1021/jf301237y · Cited by 46
Self-citationNur, E., Brandjes, D. P. M., Schnog, J. B., Otten, H.-M. M. B., Fijnvandraat, K., Schalkwijk, C. G., Biemond, B. J., & the CURAMA Study Group (2010) · British Journal of Haematology · doi:10.1111/j.1365-2141.2010.08320.x · Cited by 47
Coaction of hepatic thioredoxin and glutathione systems in iron overload‐induced oxidative stress
Aydın, F. S., Hukkamlı, B., & Budak, H. (2021) · Journal of Biochemical and Molecular Toxicology · doi:10.1002/jbt.22704 · Cited by 45
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“Excess iron stores, particularly from haem iron intake, can act as pro-oxidants, catalysing the formation of reactive oxygen species and leading to physiological dysfunction or disease states 1,2 .”
Oxidative stress and aging: the potential role of iron
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“Excessive free Fe2 ions trigger a Fenton reaction, which generates harmful reactive oxygen species that rapidly damage proteins, DNA, and other biomolecules (52).”
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Time-dependent changes in protein expression in rainbow trout muscle following hypoxia
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Metadata
- Authors
- Galaris, D., & Pantopoulos, K.
- Affiliations
- University of Ioannina (GR)
- Lady Davis Institute for Medical Research (CA)
- ORCID
- Pantopoulos, Kostas
- Venue
- Critical Reviews in Clinical Laboratory Sciences
- Publisher
- Informa UK Limited
- Published
- 2008-01
- Volume
- 45
- Issue
- 1
- Pages
- 1-23
- ISSN
- 1040-8363 (ISSN-L)
- 1549-781X
- OpenAlex
- W2094776609
- Cited by
- 352
- References
- 145
- Citations by year
- 2026: 9 · 2025: 17 · 2024: 17 · 2023: 19 · 2022: 22 · 2021: 16 · 2020: 22 · 2019: 22 · 2018: 18 · 2017: 16 · 2016: 21 · 2015: 19 · 2014: 16 · 2013: 25 · 2012: 22
- FWCI
- 3.06
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Critical Reviews in Clinical Laboratory Sciences (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
- Health Sciences › Nursing › Nutrition and Dietetics › Trace Elements in Health
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Ferroptosis and cancer prognosis
- Keywords
- iron homeostasis, oxidative stress, reactive oxygen species, iron overload, iron toxicity, iron bioavailability, iron accumulation
- MeSH terms
- Animals, Homeostasis, Humans, Iron, Iron Chelating Agents, Liver, Signal Transduction, Reactive Oxygen Species, Oxidative Stress, Iron Overload
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