Related Experiment Video
Updated: Jun 3, 2026

In Vitro Establishment of a Genetically Engineered Murine Head and Neck Cancer Cell Line using an Adeno-Associated Virus-Cas9 System
Published on: January 9, 2020
Adenovirus-Mediated Wild-Type p53 Gene Transfer into Head and Neck Cancers
G L Clayman1, D K Frank, P A Bruso
1Department of Head and Neck Surgery, M.D. Anderson Cancer Center, University of Texas, Houston, TX.
Abstract:
Mutation of the p53 tumor-suppressor gene is recognized as one of the most common genetic alterations in human malignancy to date (1). Approximately 60% of human tumors are thought to possess mutation at the p53 locus. Transient overexpression of the wild-type p53 gene in various malignancies has been considered a potential molecular intervention strategy (2 -7). This strategy is based on the role that wild-type p53 plays as a tumor-suppressor gene and inducer of cell-cycle arrest and apoptosis (1 ,8-11).
Insights
Mutations in the p53 tumor-suppressor gene are common in human cancers. Restoring wild-type p53 function offers a potential strategy for cancer treatment by inducing cell death and halting tumor growth.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- The p53 tumor-suppressor gene is frequently mutated in human cancers, affecting approximately 60% of malignancies.
- Wild-type p53 plays a critical role in preventing tumor formation.
- Its functions include inducing cell-cycle arrest and apoptosis, crucial processes for tumor suppression.
Purpose of the Study:
- To explore the potential of wild-type p53 gene therapy as a molecular intervention strategy for various human malignancies.
- To leverage the tumor-suppressive functions of p53 for therapeutic benefit.
Main Methods:
- The study focuses on the concept of transient overexpression of the wild-type p53 gene.
- This approach is investigated in the context of various human malignancies.
- The underlying mechanism involves harnessing p53's role in cell-cycle regulation and apoptosis.
Main Results:
- The abstract does not contain specific experimental results.
- It outlines the rationale and proposed strategy for p53 gene therapy.
Conclusions:
- Transient overexpression of wild-type p53 is a promising molecular intervention strategy for cancers with p53 mutations.
- Harnessing p53's tumor-suppressor functions, including induction of apoptosis and cell-cycle arrest, is key to this therapeutic approach.
Related Concept Videos
Mechanisms of Retrovirus-induced Cancers
Mechanisms of Retrovirus-induced Cancers
Rous Sarcoma Virus (RSV) and Cancer
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
Abnormal Proliferation

