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Updated: May 17, 2025

Yeast As a Chassis for Developing Functional Assays to Study Human P53
Published on: August 4, 2019
p53: A player in the tumor microenvironment
Shuang Zhao1, Hongyong Wen2, Baiqi Wang2
1Hunan Engineering Research Center for Early Diagnosis and Treatment of Liver Cancer, Cancer Research Institute, Hengyang Medical School, University of South China, Hengyang, 421001, China.
Abstract:
Approximately half of all cancers have p53 inactivating mutations, in addition to which most malignancies inactivate the p53 pathway by increasing p53 inhibitors, decreasing p53 activators, or inactivating p53 downstream targets. A growing number of researches have demonstrated that p53 can influence tumor progression through the tumor microenvironment (TME). TME is involved in the process of tumor development and metastasis and affects the clinical prognosis of patients. p53 participates in host immunity and engages in the immune landscape of the TME, but the specific mechanisms remain to be investigated. This review briefly explores the interactions between different states of p53 and TME components and their mechanisms, as well as their effects on tumor progression. To understand the progress of drug development and clinical studies related to p53 and tumor microenvironment.
Insights
The tumor suppressor protein p53 plays a crucial role in cancer by interacting with the tumor microenvironment (TME). Understanding p53
Area of Science:
- Oncology
- Cancer Biology
- Immunology
Background:
- TP53 gene mutations are found in approximately 50% of human cancers.
- The p53 pathway is frequently inactivated in malignancies through various mechanisms.
- The tumor microenvironment (TME) significantly impacts tumor progression, metastasis, and patient prognosis.
Purpose of the Study:
- To review the intricate interactions between p53 and the tumor microenvironment.
- To elucidate the mechanisms by which p53 influences the TME and host immunity.
- To provide insights into drug development and clinical studies targeting the p53-TME axis.
Main Methods:
- Literature review of existing research on p53 and TME.
- Analysis of studies investigating p53's role in immune cell function within the TME.
- Synthesis of data on the impact of p53 status on tumor progression and metastasis.
Main Results:
- p53 status influences immune cell infiltration and function within the TME.
- Aberrant p53 can promote tumor development and metastasis by modulating TME components.
- Specific mechanisms of p53-TME interaction are being actively investigated.
Conclusions:
- p53 is a key regulator of the tumor immune microenvironment.
- Targeting the p53 pathway in conjunction with the TME holds therapeutic potential.
- Further research is crucial to fully understand and exploit the p53-TME relationship for cancer treatment.
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