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Updated: Jun 3, 2026

Yeast As a Chassis for Developing Functional Assays to Study Human P53
Published on: August 4, 2019
Tissue-specific therapeutic targeting of p53 in cancer: one size does not fit all
Nikolina Vlatković1, Kerryanne Crawford, Carlos P Rubbi
1Division of Surgery and Oncology, University of Liverpool, 5th Fl. UCD Building, Daulby St, Liverpool, L69 3GA, UK.
Abstract:
p53, the "guardian of the genome" and the most mutated gene in cancer presents a considerable therapeutic opportunity as well as a challenge. In the past decade, several therapeutic strategies have been developed that aim to take advantage of a wealth of knowledge about p53, including insights into the biology and patho-biology of p53. Nevertheless, considerable challenges remain, not least as a result of tissue- and cancer-specific differences in p53 regulation and/or function. p53 does not act in the same manner in all tissues or in the cancers arising from them. Nor is p53 regulated in the same way in the wide variety of tissues from which cancers develop. Therefore, potential strategies for therapeutic targeting need to be tailored to each tumour/tissue type. This review summarises some of these tissue- and cancer-specific issues to suggest how different strategies are required for cancers arising from different tissues and to illustrate the complexities of therapeutic targeting of p53.
Insights
Targeting the p53 tumor suppressor gene offers therapeutic potential but faces challenges. Strategies must account for tissue-specific differences in p53 regulation and function for effective cancer treatment.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- The p53 gene, known as the "guardian of the genome," is frequently mutated in various cancers.
- Understanding p53's complex biology and pathophysiology is crucial for developing effective cancer therapies.
- Despite advances, targeting p53 remains challenging due to its intricate regulation and diverse functions.
Purpose of the Study:
- To review the tissue- and cancer-specific differences in p53 regulation and function.
- To highlight the complexities involved in therapeutically targeting p53.
- To propose tailored therapeutic strategies for different tumor types based on p53's context-dependent roles.
Main Methods:
- Literature review of studies on p53 in various cancers and tissues.
- Analysis of p53's regulatory mechanisms and functional outcomes across different cellular contexts.
- Synthesis of information to identify commonalities and disparities in p53's role.
Main Results:
- p53 exhibits distinct regulatory patterns and functional activities depending on the tissue and cancer type.
- These variations necessitate distinct therapeutic approaches for different malignancies.
- A one-size-fits-all strategy for p53-targeted therapy is unlikely to be effective.
Conclusions:
- Therapeutic targeting of p53 requires careful consideration of tissue- and cancer-specific factors.
- Tailoring strategies to the unique p53 landscape of each tumor type is essential for clinical success.
- Further research into p53's context-specific roles will refine future therapeutic interventions.
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