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New Insights into Ferroptosis Inhibitors

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Biology".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 2313

Special Issue Editor


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Guest Editor
Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
Interests: sigma receptors; ER stress; oxidative stress; oxytosis; ferroptosis; dopaminergic neurotoxins; neuroprotective compounds; apoptosis; Parkinson's disease; neurodegeneration
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Special Issue Information

Dear Colleagues,

Ferroptosis (also termed oxytosis) is an iron-dependent cell death pathway distinct from apoptosis and other forms of cell death. The terms related to ferroptosis include system xc-, cysteine, glutathione, GPX4, lipid peroxidation, reactive oxygen species, ferrous ion, Fenton reaction, erastin, glutamate, and so on. Ferroptosis is strongly implicated in neurodegenerative diseases, cancers, and metabolic disorders. Therefore, specific inhibitors may have broad clinical applications and the development and clinical application of such agents require a more detailed understanding of anti-ferroptotic mechanisms;  studies using various in vitro model of ferroptosis/oxytosis as well as in vivo experimental models are encouraged. With this Special Issue focused on “New Insights into Ferroptosis Inhibitors”, freely accessible online from all over the world, we would like to provide various aspects of our knowledge on the small neuroprotective molecules that are effective in preventing ferroptosis/oxytosis. We thus welcome any original research and review articles related to any of these aspects.

We look forward to reading your contributions.

Prof. Dr. Yoko Hirata
Guest Editor

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Keywords

  • system xc-
  • cysteine
  • glutathione
  • GPX4
  • lipid peroxidation
  • reactive oxygen species
  • ferrous ion
  • Fenton reaction
  • erastin
  • glutamate

Published Papers (1 paper)

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Research

18 pages, 3041 KiB  
Article
Vitamin D Improves Cognitive Impairment and Alleviates Ferroptosis via the Nrf2 Signaling Pathway in Aging Mice
by Jiaxin Li, Yang Cao, Jie Xu, Jing Li, Chunmei Lv, Qiang Gao, Chi Zhang, Chongfei Jin, Ran Wang, Runsheng Jiao and Hui Zhu
Int. J. Mol. Sci. 2023, 24(20), 15315; https://doi.org/10.3390/ijms242015315 - 18 Oct 2023
Cited by 2 | Viewed by 1985
Abstract
Ferroptosis is an iron-dependent mode of cell death associated with the occurrence and development of age-related neurodegenerative diseases. Currently, there are no effective drugs available to prevent or treat these aging-related neurodegenerative diseases. Vitamin D (VD) is an antioxidant and immunomodulator, but its [...] Read more.
Ferroptosis is an iron-dependent mode of cell death associated with the occurrence and development of age-related neurodegenerative diseases. Currently, there are no effective drugs available to prevent or treat these aging-related neurodegenerative diseases. Vitamin D (VD) is an antioxidant and immunomodulator, but its relationship with ferroptosis in aging-related neurodegenerative diseases has not been extensively studied. In this study, we aimed to investigate the role of VD in learning and memory in aging mice. To examine whether VD protects aging hippocampal neurons, we used physiologically active 1,25(OH)2D3. We established aging models in vivo (C57BL/6 mice) and in vitro (HT22 cells) using D-galactose (D-gal). The results demonstrated that VD could improve learning and memory in mice aged via the use of D-gal, and it reduced damage to hippocampal neurons. VD could regulate ferroptosis-related proteins (increasing GPX4 expression and decreasing ACSL4 and ALOX15 protein expression levels), increasing GSH levels, reducing MDA and intracellular and mitochondrial ROS levels, as well as total iron and Fe2+ levels, and improving mitochondrial morphology, thereby alleviating ferroptosis in aging hippocampal neurons. Additionally, VD activated the VDR/Nrf2/HO-1 signaling pathway, thereby inhibiting ferroptosis. Notably, when the VDR was knocked down, VD lost its ability to activate Nrf2. Consequently, inhibiting Nrf2 decreased the protective effect of VD against ferroptosis in aged hippocampal neurons. In summary, VD activates the Nrf2/HO-1 signaling pathway through the VDR, effectively preventing ferroptosis induced by aging in hippocampal neurons. Full article
(This article belongs to the Special Issue New Insights into Ferroptosis Inhibitors)
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