Cuproptosis: p53-regulated metabolic cell death?

Cuproptosis is a novel type of copper-induced cell death that primarily occurs in cells that utilize oxidative phosphorylation as the main metabolic pathway to produce energy. Copper directly associates with the lipoylated proteins of the tricarboxylic acid cycle, leading to the disulfide-bond-depen...

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Vydáno v:Cell death and differentiation Ročník 30; číslo 4; s. 876 - 884
Hlavní autoři: Xiong, Chen, Ling, Hong, Hao, Qian, Zhou, Xiang
Médium: Journal Article
Jazyk:angličtina
Vydáno: England Nature Publishing Group 01.04.2023
Témata:
Apoptosis
Cell death
Copper
Copper - metabolism
Glutathione
Glycolysis
Iron
Iron - metabolism
Metabolic pathways
Metabolism
Metabolites
Mutants
Oxidative Phosphorylation
p53 Protein
Phosphorylation
Proteins
Sulfur
Tricarboxylic acid cycle
Tumor suppressor genes
Tumor Suppressor Protein p53 - genetics
Tumor Suppressor Protein p53 - metabolism
Tumors
ISSN:1350-9047, 1476-5403, 1476-5403
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Shrnutí:Cuproptosis is a novel type of copper-induced cell death that primarily occurs in cells that utilize oxidative phosphorylation as the main metabolic pathway to produce energy. Copper directly associates with the lipoylated proteins of the tricarboxylic acid cycle, leading to the disulfide-bond-dependent aggregation of these lipoylated proteins, destabilization of the iron-sulfur cluster proteins, and consequent proteotoxic stress. Cancer cells prefer glycolysis (Warburg effect) to oxidative phosphorylation for producing intermediate metabolites and energy, thereby achieving resistance to cuproptosis. Interestingly, the tumor suppressor p53 is a crucial metabolic regulator that inhibits glycolysis and drives a metabolic switch towards oxidative phosphorylation in cancer cells. Additionally, p53 regulates the biogenesis of iron-sulfur clusters and the copper chelator glutathione, which are two critical components of the cuproptotic pathway, suggesting that this tumor suppressor might play a role in cuproptosis. Furthermore, the possible roles of mutant p53 in regulating cuproptosis are discussed. In this essay, we review the recent progress in the understanding of the mechanism underlying cuproptosis, revisit the roles of p53 in metabolic regulation and iron-sulfur cluster and glutathione biosynthesis, and propose several potential mechanisms for wild-type and mutant p53-mediated cuproptosis regulation.
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ISSN:1350-9047
1476-5403
1476-5403
DOI:10.1038/s41418-023-01125-0