Mutation of the PIK3CA oncogene in human cancers
B Karakas1, K E Bachman, B H Park
1The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, The Johns Hopkins University School of Medicine, Department of Oncology, Baltimore, MD 21231, USA.
Abstract:
It is now well established that cancer is a genetic disease and that somatic mutations of oncogenes and tumour suppressor genes are the initiators of the carcinogenic process. The phosphatidylinositol 3-kinase signalling pathway has previously been implicated in tumorigenesis, and evidence over the past year suggests a pivotal role for the phosphatidylinositol 3-kinase catalytic subunit, PIK3CA, in human cancers. In this review, we analyse recent reports describing PIK3CA mutations in a variety of human malignancies, and discuss their possible implications for diagnosis and therapy.
Insights
Cancer is a genetic disease driven by mutations. Recent evidence highlights the phosphatidylinositol 3-kinase catalytic subunit (PIK3CA) gene
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Cancer is fundamentally a genetic disease initiated by somatic mutations in oncogenes and tumor suppressor genes.
- The phosphatidylinositol 3-kinase (PI3K) signaling pathway is known to be involved in tumorigenesis.
- Recent research indicates a significant role for PIK3CA in human cancers.
Purpose of the Study:
- To review recent findings on PIK3CA mutations in human malignancies.
- To discuss the diagnostic and therapeutic implications of these mutations.
Main Methods:
- Literature review of recent reports on PIK3CA mutations.
- Analysis of the role of PIK3CA in various human cancers.
Main Results:
- PIK3CA mutations are frequently found in a diverse range of human cancers.
- These mutations are implicated as key drivers in tumorigenesis.
Conclusions:
- PIK3CA mutations represent a critical factor in the development of many human cancers.
- Understanding these mutations offers potential for improved cancer diagnosis and targeted therapies.
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