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Updated: Feb 4, 2026

Isolation and Characterization of a Head and Neck Squamous Cell Carcinoma Subpopulation Having Stem Cell Characteristics
Published on: May 11, 2016
p53 and Cell Fate: Sensitizing Head and Neck Cancer Stem Cells to Chemotherapy
Christie Rodriguez-Ramirez1, Jacques E Nör2
1Department of Cariology, Restorative Sciences, Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI 48109.
Abstract:
Head and neck cancers are deadly diseases that are diagnosed annually in approximately half a million individuals worldwide. Growing evidence supporting a role for cancer stem cells (CSCs) in the pathobiology of head and neck cancers has led to increasing interest in identifying therapeutics to target these cells. Apart from the canonical tumor-suppressor functions of p53, emerging research supports a significant role for this protein in physiological stem cell and CSC maintenance and reprogramming. Therefore, p53 has become a promising target to sensitize head and neck CSCs to chemotherapy. In this review, we highlight the role of p53 in stem cell maintenance and discuss potential implications of targeting p53 to treat patients with head and neck cancers.
Insights
Targeting p53 may enhance chemotherapy effectiveness for head and neck cancers. This review explores p53
Area of Science:
- Oncology
- Cancer Stem Cell Biology
- Molecular Therapeutics
Background:
- Head and neck cancers represent a significant global health burden, with approximately 500,000 new cases diagnosed annually.
- Cancer stem cells (CSCs) are increasingly recognized for their critical role in the development and progression of head and neck cancers.
- The tumor suppressor protein p53, traditionally known for its role in preventing cancer, is now understood to be involved in stem cell regulation.
Purpose of the Study:
- To review the multifaceted role of p53 in the maintenance and reprogramming of physiological stem cells and cancer stem cells.
- To explore the potential of targeting p53 as a therapeutic strategy to improve treatment outcomes for head and neck cancers.
Main Methods:
- This study is a comprehensive literature review.
- Analysis of existing research on p53 function in stem cell biology and head and neck cancer.
- Discussion of the implications of targeting p53 for therapeutic interventions.
Main Results:
- Emerging evidence indicates that p53 plays a crucial role in maintaining stem cell populations, including cancer stem cells.
- Dysregulation or specific functions of p53 may influence the behavior and survival of head and neck cancer stem cells.
- Targeting p53 presents a promising avenue for sensitizing head and neck cancer stem cells to conventional chemotherapy.
Conclusions:
- The p53 protein is a key regulator in both normal stem cell function and cancer stem cell biology.
- Modulating p53 activity could offer a novel approach to overcome therapeutic resistance in head and neck cancers.
- Further research into p53-targeted therapies holds significant potential for improving patient survival rates.
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