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Published on: July 17, 2020
PTEN: a yin-yang master regulator protein in health and disease
1BioCruces Health Research Institute, Barakaldo, Spain; IKERBASQUE, Basque Foundation for Science, Bilbao, Spain.
Abstract:
The PTEN gene is a tumor suppressor gene frequently mutated in human tumors, which encodes a ubiquitous protein whose major activity is to act as a lipid phosphatase that counteracts the action of the oncogenic PI3K. In addition, PTEN displays protein phosphatase- and catalytically-independent activities. The physiologic control of PTEN function, and its inactivation in cancer and other human diseases, including some neurodevelopmental disorders, is upon the action of multiple regulatory mechanisms. This provides a wide spectrum of potential therapeutic approaches to reconstitute PTEN activity. By contrast, inhibition of PTEN function may be beneficial in a different group of human diseases, such as type 2 diabetes or neuroregeneration-related pathologies. This makes PTEN a functionally dual yin-yang protein with high potential in the clinics. Here, a brief overview on PTEN and its relation with human disease is presented.
Insights
The PTEN gene is a tumor suppressor frequently mutated in cancers. Its dual functions offer therapeutic potential for diseases ranging from cancer to diabetes.
Area of Science:
- Molecular Biology
- Oncology
- Biochemistry
Background:
- The PTEN gene is a crucial tumor suppressor, frequently altered in human cancers.
- PTEN protein acts as a lipid phosphatase, opposing the oncogenic PI3K pathway.
- PTEN also exhibits protein phosphatase and catalytic-independent functions.
Purpose of the Study:
- To provide an overview of PTEN's role in human diseases.
- To highlight the therapeutic potential of modulating PTEN activity.
Main Methods:
- Literature review of PTEN's functions and disease associations.
- Analysis of PTEN's regulatory mechanisms and therapeutic implications.
Main Results:
- PTEN inactivation is linked to cancer and neurodevelopmental disorders.
- Multiple regulatory mechanisms control PTEN activity.
- PTEN's dual functions present therapeutic opportunities.
Conclusions:
- PTEN is a functionally dual protein with significant clinical potential.
- Reconstituting PTEN activity may treat cancer, while inhibition could benefit diabetes and neuroregeneration.
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