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Updated: Jun 18, 2026

Detection of Aggregation-Prone Behavior in Mutant P53 V157F Breast Cancer Cells Using Multipoint Thioflavin T Fluorescence
Published on: December 30, 2025
p53 and gamma radiation in the normal breast
Yajing Liu1, M Virginia C L Appleyard, Phillip J Coates
1Department of Surgery and Molecular Oncology, University of Dundee, Ninewells Hospital and Medical School, Dundee, UK.
Gamma radiation impacts normal breast tissue after cancer treatment. The p53 protein plays a key role in the radiation response of breast epithelium, influencing treatment outcomes.
Area of Science:
- Oncology
- Radiation Biology
- Molecular Biology
Background:
- Adjuvant radiation therapy is increasingly used in breast cancer treatment.
- Understanding the effects of gamma radiation on normal breast tissue is crucial.
Purpose of the Study:
- To investigate the role of the Tumour Protein 53 (TP53, p53) protein in normal breast tissue response to gamma radiation.
- To explore the cellular and molecular mechanisms underlying radiation effects on breast epithelium and stroma.
Main Methods:
- This study focuses on the molecular mechanisms of radiation response.
- Analysis of p53 protein's role in different breast cell types.
Main Results:
- The p53 protein appears critical for the response of normal breast epithelium to gamma radiation.
- Stromal cells in normal breast tissue exhibit a different response pattern to gamma radiation compared to epithelial cells.
Conclusions:
- The p53 protein plays a pivotal role in gamma radiation effects on normal breast epithelium, but not stromal cells.
- Differential p53-mediated responses may explain varying clinical outcomes of radiation therapy in breast cancer patients.
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