Ferroptosis Mechanisms Involved in Neurodegenerative Diseases
- PMID: 33233496
- PMCID: PMC7699575
- DOI: 10.3390/ijms21228765
Ferroptosis Mechanisms Involved in Neurodegenerative Diseases
Abstract
Ferroptosis is a type of cell death that was described less than a decade ago. It is caused by the excess of free intracellular iron that leads to lipid (hydro) peroxidation. Iron is essential as a redox metal in several physiological functions. The brain is one of the organs known to be affected by iron homeostatic balance disruption. Since the 1960s, increased concentration of iron in the central nervous system has been associated with oxidative stress, oxidation of proteins and lipids, and cell death. Here, we review the main mechanisms involved in the process of ferroptosis such as lipid peroxidation, glutathione peroxidase 4 enzyme activity, and iron metabolism. Moreover, the association of ferroptosis with the pathophysiology of some neurodegenerative diseases, namely Alzheimer's, Parkinson's, and Huntington's diseases, has also been addressed.
Keywords: Alzheimer’s disease; GSH; Huntington’s disease; Parkinson’s disease; cell death; ferroptosis; glutathione peroxidase 4; iron metabolism; neurodegenerative diseases; system xc−.
Conflict of interest statement
The authors declare no conflict of interest.
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