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- W3081842013 abstract "The p53 tumor suppressor functions as a tetrameric transcription factor to regulate hundreds of genes—many in a tissue-specific manner. Missense mutations in cancers in the p53 DNA-binding and tetramerization domains cement the importance of these domains in tumor suppression. p53 mutants with a functional tetramerization domain form mixed tetramers, which in some cases have dominant-negative effects (DNE) that inactivate wild-type p53. DNA damage appears necessary but not sufficient for DNE, indicating that upstream signals impact DNE. Posttranslational modifications and protein–protein interactions alter p53 tetramerization affecting transcription, stability, and localization. These regulatory components limit the dominant-negative effects of mutant p53 on wild-type p53 activity. A deeper understanding of the molecular basis for DNE may drive development of drugs that release WT p53 and allow tumor suppression." @default.
- W3081842013 created "2020-09-08" @default.
- W3081842013 creator A5035591695 @default.
- W3081842013 creator A5076622040 @default.
- W3081842013 date "2020-09-01" @default.
- W3081842013 modified "2023-10-16" @default.
- W3081842013 title "p53 tetramerization: at the center of the dominant-negative effect of mutant p53" @default.
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