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Updated: Jan 26, 2026

Purification of Ubiquitinated p53 Proteins from Mammalian Cells
Published on: March 21, 2022
Anti-cancer effects of polyphenols via targeting p53 signaling pathway: updates and future directions
Haroon Khan1, Marcella Reale2, Hammad Ullah3
1Department of Pharmacy, Abdul Wali Khan University, Pakistan..
Abstract:
The anticancer effects of polyphenols are ascribed to several signaling pathways including the tumor suppressor gene tumor protein 53 (p53). Expression of endogenous p53 is silent in various types of cancers. A number of polyphenols from a wide variety of dietary sources could upregulate p53 expression in several cancer cell lines through distinct mechanisms of action. The aim of this review is to focus the significance of p53 signaling pathways and to provide molecular intuitions of dietary polyphenols in chemoprevention by monitoring p53 expression that have a prominent role in tumor suppression.
Insights
Dietary polyphenols can activate the tumor suppressor gene p53, crucial for cancer prevention. This review explores how these compounds upregulate p53 expression for chemopreventive effects.
Area of Science:
- Biochemistry
- Molecular Biology
- Oncology
Background:
- The tumor suppressor gene tumor protein 53 (p53) plays a critical role in preventing cancer.
- p53 expression is often suppressed in various cancer types.
- Polyphenols are bioactive compounds found in numerous dietary sources with potential health benefits.
Purpose of the Study:
- To review the significance of p53 signaling pathways in cancer.
- To elucidate the molecular mechanisms by which dietary polyphenols influence p53 expression.
- To highlight the role of p53 upregulation by polyphenols in cancer chemoprevention.
Main Methods:
- Literature review of studies investigating polyphenol-p53 interactions.
- Analysis of molecular mechanisms underlying p53 modulation by polyphenols.
- Focus on studies examining p53 expression in cancer cell lines treated with dietary polyphenols.
Main Results:
- Dietary polyphenols can upregulate the expression of the tumor suppressor gene p53.
- Distinct mechanisms of action are involved in polyphenol-mediated p53 activation.
- Restoring p53 expression is a key factor in the anticancer effects of polyphenols.
Conclusions:
- Dietary polyphenols hold significant potential for cancer chemoprevention.
- Targeting p53 signaling pathways with polyphenols is a promising therapeutic strategy.
- Further research into polyphenol-p53 interactions can lead to novel cancer treatments.
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