Reactive Oxygen Species (ROS) and Metal Ions in Cellular Systems
A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Biochemistry".
Deadline for manuscript submissions: 30 June 2025 | Viewed by 160
Special Issue Editors
Interests: interaction of transition metals with non-innocent ligands towards the activation of dioxygen; use of metal-organic catalysts for the development of new methods for food characterization and monitoring of redox reactions in food processing; utilization of paramagnetic probes for the food analysis; study of the mechanisms of lipids oxidation and wine aging; investigation for determination of markers for the discrimination/authenticity of food; antioxidant content of food
Interests: metals in medicine; vanadium; drugs and biologically active compounds; cancer; diabetes; tuberculosis; pharmaceutically active compounds; transition metals; platinum, ruthenium, copper, rhenium, lipid and lipid model interfaces; hydrophobic compounds; spectroscopy; reverse micelles; chemistry in confined spaces
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Special Issue Information
Dear Colleagues,
A reactive oxygen species (ROS) is a form of oxygen containing molecules with free electrons that often forms in biological systems as a biproduct of cellular metabolism as an oxidative stress response. The mechanism for its formation varies, but this formation can cause damage to many cellular systems. Because of its instability, an ROS can sometimes activate other systems which may play roles in cell signaling. Metal ions and, particularly, redox active transition metals ions are particularly prone to involvement in ROS reactions. Metal ions such as iron can undergo changes in oxidation states when undergoing the Fenton reaction, which generates ROS within living organisms. However, the speciation of metal complexes can be critical for whether ROS are formed or consumed. In excess, ROS can damage nuclear and mitochondrial DNA as well as oxidize essential macromolecules such as enzymes and cytoskeletal proteins; they can also cause lipid peroxidation, which can destabilize biological membranes and result in disease development. The reactions of ROS taking place under physiological conditions when overwhelming the cellular detoxification processes and presence of antioxidants defenses can be implicated in oxidative stress in the pathogenesis of diseases including cancer, pulmonary hypertension, asthma, inflammatory diseases, and neurodegenerative disorders.
Dr. Chryssoula Drouza
Prof. Dr. Debbie Crans
Guest Editors
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Keywords
- reactive oxygen species
- reactive oxygen species metabolism
- diseases and reactive oxygen species
- lipid peroxidation
- metal ions and reactive oxygen species
- metal based drugs
- oxidative stress
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