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• W4375954838 abstract "KEAP1 (Kelch-like ECH-associated protein), a cytoplasmic repressor of the oxidative stress responsive transcription factor Nuclear factor erythroid 2-related factor 2 (NRF2), senses the presence of electrophilic agents by modification of its sensor cysteine residues. In addition to xenobiotics, several reactive metabolites have been shown to covalently modify key cysteines on KEAP1, although the full repertoire of these molecules and their respective modifications remain undefined. Here, we report the discovery of sAKZ692, a small molecule identified by high-throughput screening that stimulates NRF2 transcriptional activity in cells by inhibiting the glycolytic enzyme pyruvate kinase. sAKZ692 treatment promotes the buildup of glyceraldehyde 3-phosphate, a metabolite which leads to S-lactate modification of cysteine sensor residues of KEAP1, resulting in NRF2-dependent transcription. This work identifies a posttranslational modification of cysteine derived from a reactive central carbon metabolite and helps further define the complex relationship between metabolism and the oxidative stress-sensing machinery of the cell." @default.
• W4375954838 created "2023-05-10" @default.
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• W4375954838 date "2023-05-08" @default.
• W4375954838 modified "2023-09-29" @default.
• W4375954838 title "S-lactoyl modification of KEAP1 by a reactive glycolytic metabolite activates NRF2 signaling" @default.
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• W4375954838 doi "https://doi.org/10.1073/pnas.2300763120" @default.
• W4375954838 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37155889" @default.
• W4375954838 hasPublicationYear "2023" @default.
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