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MetabolomicsFatal COVID-19 pulmonary disease involves ferroptosis.

SARS-CoV-2 infection causes severe pulmonary manifestations, with poorly understood mechanisms and limited treatment options. Hyperferritinemia and disrupted lung iron homeostasis in COVID-19 patients imply that ferroptosis, an iron-dependent cell death, may occur. Immunostaining and lipidomic an...

2024-07-11 | MTBLS3107 | MetaboLights
MetabolomicsEnergy-stress-mediated AMPK activation inhibits ferroptosis

Energy stress depletes ATP and induces cell death. Here we identify an unexpected inhibitory role of energy stress on ferroptosis, a form of regulated cell death induced by iron-dependent lipid peroxidation. We found that ferroptotic cell death and lipid peroxidation can be inhibited by treatment...

2023-01-31 | MTBLS1399 | MetaboLights
ProteomicsTransferrin receptor is a specific ferroptosis marker
Ferroptosis is a form of regulated cell death driven by the iron-dependent accumulation of oxidized polyunsaturated-fatty-acid-containing phospholipids (PUFA-PLs). Three key molecular features of ferroptosis are peroxidation of PUFA-PLs, accumulation of redox-active ferrous iron, and defective lipid...
ORGANISM(S): Homo sapiens (Human) 
2020-03-10 | PXD017425 | Pride
Antigen Ip-msms Ferroptosis 
MetabolomicsImidazole ketone erastin induces ferroptosis and slows tumor growth in a mouse lymphoma model
Ferroptosis is a form of regulated cell death that can be induced by inhibition of the cystine-glutamate antiporter, system xc-. Among the existing system xc- inhibitors, imidazole ketone erastin (IKE) is a potent, metabolically stable inhibitor of system xc- and inducer of ferroptosis potentially s...
2019-04-17 | MTBLS774 | MetaboLights
ProteomicsPhospholipids with two polyunsaturated fatty acyl tails drive ferroptosi.
Phospholipids containing polyunsaturated fatty acyl tails (PL-PUFAs) are susceptible to lipid peroxidation by reactive oxygen species, lipoxygenases, and radical species. The accumulation of peroxidized lipids in cell membranes overwhelms endogenous lipid repair processes and triggers ferroptosis. W...
ORGANISM(S): Homo sapiens (Human) 
2025-05-06 | PXD041993 | Pride
Polyunsaturated fatty acid  pufa  phospholipid  mitochondria  complex i  ros  ferroptosis  lipids 
MetabolomicsOPA1 promotes ferroptosis by augmenting mitochondrial ROS and suppressing an integrated stress response

Ferroptosis, an iron-dependent form of nonapoptotic cell death mediated by lipid peroxidation, has been implicated in the pathogenesis of multiple diseases. Subcellular organelles play pivotal roles in the regulation of ferroptosis, but the mechanisms underlying the contributions of the mitochond...

2025-07-14 | MTBLS10544 | MetaboLights
MetabolomicsDietary restriction of cysteine and methionine sensitizes gliomas to ferroptosis and induces alterations in energetic metabolism

Ferroptosis is mediated by lipid peroxidation of phospholipids containing polyunsaturated fatty acyl moieties. Glutathione, the key cellular antioxidant capable of inhibiting lipid peroxidation via the activity of the enzyme glutathione peroxidase 4 (GPX-4), is generated directly from the sulfur-...

2023-01-11 | MTBLS5959 | MetaboLights
ProteomicsFerroptosis inhibition by oleic acid mitigates iron-overload-induced injury.
Iron overload, characterized by accumulation of iron in tissues, induces a multiorgan toxicity whose mechanisms are not fully understood. Using cultured cell lines, Caenorhabditis elegans, and mice, we found that ferroptosis occurs in the context of iron-overload-mediated damage. Exogenous oleic aci...
ORGANISM(S): Homo sapiens (Human) 
2025-05-06 | PXD045642 | Pride
C. elegans Oleic acid ferroptosi 
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