Effects of ferroptosis on diabetic wound healing Impaired repair of diabetic wounds involves dysfunction of multiple cell types, such as macrophages, fibroblasts, endothelial cells, and keratinocytes
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Serine restriction also reprograms the tumor immune microenvironment from an immunosuppressive state to an immune-permissive state, thereby constraining tumor progression (122)
Cystine/glutamate antiporter solute carrier family 7 member 11 (SLC7A11) is a major transporter regulating cysteine in tumor cells and is induced in response to a variety of stimuli, such as oxidative stress and electrophilic compounds ( xCT transcription, which enhance the GSH levels and protect tumor cells against oxidative stress ( + T cells in the tumor stromal region attenuated platinum resistance through STAT1 phosphorylation and xCT downregulation in fibroblasts ( Figure 2 ) ( Figure 2 GSH peroxidase 4 (GPX4) The tripeptide GSH consists of glutamate, cysteine, and glycine and serves as a cysteine storage and transport form ( via chaperone-mediated autophagy ( via glutathione depletion and ROS accumulation ( Hydrogen sulfide H 2 S is produced in mammalian cells by three enzymes, including cystathionine -synthase (CBS), cystathionine -lyase (CSE), and 3-mercaptopyruvate sulfurtansferase (3MST) in mammalian cells
