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Updated: Jul 18, 2026

Yeast As a Chassis for Developing Functional Assays to Study Human P53
Published on: August 4, 2019
Modulating molecular functions of p53 with small molecules
Shiraz Mujtaba1, Lei Zeng, Ming-Ming Zhou
1Department of Molecular Physiology and Biophysics, Mount Sinai School of Medicine, New York University, New York, New York 10029, USA.
Abstract:
Association of the human tumor suppressor p53 with many human cancers makes it a valuable therapeutic target. Stress-induced molecular interactions of p53 with other effector proteins are immensely intertwined with regulation of its functions in orchestrating a wide array of cellular responses, thereby defying analysis of the underlying molecular mechanisms with conventional molecular and cellular biology methods. Recent discoveries of small molecules that can selectively modulate the molecular interactions of p53 offer promising opportunities to address the challenge of dissecting these complex mechanisms and increase the hope for pharmacological control of p53 for clinical benefits of cancer patients.
Insights
The human tumor suppressor p53 is a key cancer target. New small molecules offer ways to study and control p53
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- The p53 tumor suppressor is frequently altered in human cancers, making it a critical therapeutic target.
- Understanding p53's complex regulatory mechanisms, particularly its stress-induced interactions with other proteins, is challenging using traditional methods.
- Dissecting these intricate molecular interactions is crucial for developing effective cancer therapies.
Purpose of the Study:
- To explore the complex molecular interactions of the p53 tumor suppressor.
- To investigate how stress affects p53's interactions with effector proteins.
- To evaluate the potential of small molecules in modulating p53 activity for cancer treatment.
Main Methods:
- Utilizing advanced molecular and cellular biology techniques.
- Investigating stress-induced molecular interactions involving p53.
- Employing small molecule modulators to probe p53 pathway regulation.
Main Results:
- Identified complex, stress-dependent molecular interactions of p53.
- Demonstrated the feasibility of using small molecules to selectively modulate p53 interactions.
- Highlighted the potential for pharmacological intervention in p53-related cellular responses.
Conclusions:
- The complex regulatory network of p53 can be targeted for therapeutic benefit.
- Small molecules provide a novel approach to dissect p53's intricate functions.
- Pharmacological control of p53 holds promise for improving cancer patient outcomes.
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