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Related Experiment Video

Updated: Jun 25, 2026

Yeast As a Chassis for Developing Functional Assays to Study Human P53

Yeast As a Chassis for Developing Functional Assays to Study Human P53

Published on: August 4, 2019

Targeting p53 for enhanced radio- and chemo-sensitivity.

Chao Lu¹, Wafik S El-Deiry

¹Department of Medicine, Laboratory of Molecular Oncology and Cell Cycle Regulation, The Institute for Translational Medicine and Therapeutics, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.

Apoptosis : an International Journal on Programmed Cell Death

|March 5, 2009

Summary

The tumor suppressor protein p53 is crucial for cellular stress response and cancer suppression. Restoring wild-type p53 function enhances chemotherapy and radiation sensitivity in cancer cells.

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Procedure and Key Optimization Strategies for an Automated Capillary Electrophoretic-based Immunoassay Method

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Last Updated: Jun 25, 2026

Yeast As a Chassis for Developing Functional Assays to Study Human P53

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Published on: August 4, 2019

Procedure and Key Optimization Strategies for an Automated Capillary Electrophoretic-based Immunoassay Method

Procedure and Key Optimization Strategies for an Automated Capillary Electrophoretic-based Immunoassay Method

Published on: September 10, 2017

Area of Science:

Molecular Biology
Oncology
Cellular Biology

Background:

The p53 protein is a key mediator of cellular responses to stress.
Loss of p53 function through mutation is common in human cancers, impairing its growth-suppressive role.
Wild-type p53 enhances tumor cell sensitivity to chemotherapy and radiation therapy.

Purpose of the Study:

To review the role of p53 in enhancing sensitivity to chemotherapy and radiation.
To discuss current therapeutic strategies targeting p53 for cancer treatment.

Main Methods:

Review of accumulated evidence on wild-type p53's role in treatment efficacy.
Analysis of structural and functional insights into p53 mutations.
Examination of p53 degradation pathways involving MDM2 and p53 family proteins.

Main Results:

Wild-type p53 activity is essential for the effectiveness of radiation and chemotherapy.
Understanding p53 mutations, degradation, and family proteins provides a basis for drug design.
Strategies to restore normal p53 function in tumors are of significant interest.

Conclusions:

Restoring p53 function in tumors with defective p53 signaling is a promising therapeutic avenue.
Targeting p53 pathways offers potential for improving cancer treatment outcomes.
Further drug development based on p53 biology is warranted.