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Zheng, H.* ; Jiang, L.* ; Tsuduki, T.* ; Conrad, M. ; Toyokuni, S.*

Embryonal erythropoiesis and aging exploit ferroptosis.

Redox Biol. 48:102175 (2021)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
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Ferroptosis is a form of regulated cell necrosis, as a consequence of Fe(II)-dependent lipid peroxidation. Although ferroptosis has been linked to cancer cell death, neurodegeneration and reperfusion injury, physiological roles of ferroptosis have not been elucidated to date mostly due to the lack of appropriate methodologies. Here, we show that 4-hydroxy-2-nonenal (HNE)-modified proteins detected by a HNEJ-1 mouse monoclonal antibody is a robust immunohistochemical technology to locate ferroptosis in tissues in combination with morphological nuclear information, based on various models of ferroptosis, including erastin-induced cysteine-deprivation, conditional Gpx4 knockout and Fe(II)-dependent renal tubular injury, as well as other types of regulated cell death. Specificity of HNEJ-1 with ferroptosis was endorsed by non-selective identification of HNE-modified proteins in an Fe(II)-dependent renal tubular injury model. We further comprehensively searched for signs of ferroptosis in different developmental stages of Fischer-344 rats from E9.5-2.5 years of age. We observed that there was a significant age-dependent increase in ferroptosis in the kidney, spleen, liver, ovary, uterus, cerebellum and bone marrow, which was accompanied by iron accumulation. Not only phagocytic cells but also parenchymal cells were affected. Epidermal ferroptosis in ageing SAMP8 mice was significantly promoted by high-fat or carbohydrate-restricted diets. During embryogenesis of Fischer-344 rats, we found ferroptosis in nucleated erythrocytes at E13.5, which disappeared in enucleated erythrocytes at E18.5. Administration of a ferroptosis inhibitor, liproxstatin-1, significantly delayed erythrocyte enucleation. Therefore, our results demonstrate for the first time the involvement of ferroptosis in physiological processes, such as embryonic erythropoiesis and aging, suggesting the evolutionally acquired mechanism and the inevitable side effects, respectively.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter 4-hydroxy-2-nonenal ; Aging ; Erythropoiesis ; Ferroptosis ; Iron; Glutathione-peroxidase 4; Renal-cell Carcinoma; Oxidative Stress; Cancer-cells; Wistar Rats; Iron; Death; Carcinogenesis; Induction; Nitrilotriacetate
Sprache englisch
Veröffentlichungsjahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 2213-2317
e-ISSN 2213-2317
Zeitschrift Redox Biology
Quellenangaben Band: 48, Heft: , Seiten: , Artikelnummer: 102175 Supplement: ,
Verlag Elsevier
Verlagsort Amsterdam [u.a.]
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Metabolism and Cell Death (MCD)
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-506900-001
Förderungen European Research Council (ERC) under the European Union
Ministry of Science and Higher Education of The Russian Federation
JST CREST
JSPS KAKENHI
Deutsche Forschungsgemeinschaft (DFG)
DOI 10.1016/j.redox.2021.102175
WOS ID WOS:000716996300002
Scopus ID 85118333164
PubMed ID 34736120
Erfassungsdatum 2021-12-02
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