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Yeast As a Chassis for Developing Functional Assays to Study Human P53
Published on: August 4, 2019
p53 in stem cells
Valeriya Solozobova1, Christine Blattner
1Valeriya Solozobova, Christine Blattner, Institute of Toxicology and Genetics, Institute of Applied Biosciences, PO-Box 3640, 76021 Karlsruhe, Germany.
World Journal of Biological Chemistry
|September 28, 2011
Summary
The tumor suppressor p53 protein, known as the "guardian of the genome," is crucial for maintaining genomic stability in differentiated cells. This review highlights p53
Area of Science:
- Molecular Biology
- Genetics
- Stem Cell Biology
Background:
- The p53 protein acts as a tumor suppressor in differentiated cells, inducing cell cycle arrest and apoptosis following DNA damage to maintain genomic stability.
- Beyond its role in differentiated cells, p53 is also vital in various stem cell populations.
Purpose of the Study:
- To review the multifaceted roles of p53 in embryonic stem cells, adult stem cells, and induced pluripotent stem cells.
- To elucidate p53's functions in maintaining genomic integrity, regulating proliferation, and controlling differentiation in stem cells.
Main Methods:
- Literature review of studies on p53 function in different stem cell types.
- Analysis of p53's involvement in DNA damage response and pluripotency maintenance.
Main Results:
- p53 ensures genomic integrity in stem cells following genotoxic stress.
- p53 regulates stem cell proliferation and differentiation processes.
- p53 acts as a barrier against the generation of pluripotent stem cell-like cells from differentiated cells.
Conclusions:
- p53 plays a critical and diverse role in stem cell biology, extending beyond its established tumor suppressor functions in differentiated cells.
- Understanding p53's activities in stem cells is essential for regenerative medicine and cancer research.
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