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Updated: Jan 25, 2026
10:55
Purification of Ubiquitinated p53 Proteins from Mammalian Cells
Published on: March 21, 2022
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The old and the new in p53 functional regulation
L Magnelli1, M Ruggiero, V Chiarugi
1Laboratory of Molecular Biology at the Institute of General Pathology, University of Florence , Viale Morgagni 50, Florence, 50134, Italy.
Biochemical and Molecular Medicine
|February 12, 1998
Summary
The tumor suppressor gene p53 is frequently mutated in human cancers. Recent research explores its links to DNA damage, cancer therapies, and oncogenic functions.
Area of Science:
- Molecular Oncology
- Cancer Genetics
Background:
- The p53 gene is a critical tumor suppressor, frequently altered in human cancers.
- Its significance is reflected in extensive research within molecular oncology.
Purpose of the Study:
- To review recent findings on the p53 gene.
- To discuss its relationships with DNA damage, cancer therapy sensitivity, and oncogenic mutations.
Main Methods:
- Literature review and interpretation of recent observations.
- Discussion of signaling pathways involving p53, PI3K, and protein kinase C.
Main Results:
- p53 mutations can lead to a gain-of-function, transforming it into an oncogene.
- p53 plays a role in DNA damage response and sensitivity to anticancer treatments.
- Phosphorylation regulates p53 activity within mitogenic signaling cascades.
Conclusions:
- Understanding p53's multifaceted roles is crucial for cancer research and therapy.
- Mutations in p53 have significant implications for oncogenesis and treatment strategies.
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