Title : Single-cell analysis of p53 transitional dynamics unravels stimulus- and cell type-dependent signaling output motifs.

Pub. Date : 2022 Apr 11

PMID : 35410287






1 Functional Relationships(s)
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1 RESULTS: By combining single-cell imaging and mathematical modeling of dose-dependent p53 dynamics induced by three chemotherapeutics of distinct mechanism-of-actions, including Etoposide, Nutlin-3a and 5-fluorouracil, and in five cancer cell types, we uncovered novel and highly variable p53 dynamic responses, in particular p53 transitional dynamics induced at intermediate drug concentrations, and identified the functional roles of distinct positive and negative feedback motifs of the p53 pathway in modulating the central p53-Mdm2 negative feedback to generate stimulus- and cell type-specific signaling responses. Fluorouracil tumor protein p53 Homo sapiens