Related Experiment Video
Updated: Aug 16, 2025

SA-β-Galactosidase-Based Screening Assay for the Identification of Senotherapeutic Drugs
Published on: June 28, 2019
Senolytic Therapy: A Potential Approach for the Elimination of Oncogene-Induced Senescent HPV-Positive Cells
Tareq Saleh1, Ashraf I Khasawneh2, Nisreen Himsawi2
1Department of Pharmacology and Public Health, Faculty of Medicine, The Hashemite University, Zarqa 13133, Jordan.
Abstract:
Senescence represents a unique cellular stress response characterized by a stable growth arrest, macromolecular alterations, and wide spectrum changes in gene expression. Classically, senescence is the end-product of progressive telomeric attrition resulting from the repetitive division of somatic cells. In addition, senescent cells accumulate in premalignant lesions, in part, as a product of oncogene hyperactivation, reflecting one element of the tumor suppressive function of senescence. Oncogenic processes that induce senescence include overexpression/hyperactivation of H-Ras, B-Raf, and cyclin E as well as inactivation of PTEN. Oncogenic viruses, such as Human Papilloma Virus (HPV), have also been shown to induce senescence. High-risk strains of HPV drive the immortalization, and hence transformation, of cervical epithelial cells via several mechanisms, but primarily via deregulation of the cell cycle, and possibly, by facilitating escape from senescence. Despite the wide and successful utilization of HPV vaccines in reducing the incidence of cervical cancer, this measure is not effective in preventing cancer development in individuals already positive for HPV. Accordingly, in this commentary, we focus on the potential contribution of oncogene and HPV-induced senescence (OIS) in cervical cancer. We further consider the potential utility of senolytic agents for the elimination of HPV-harboring senescent cells as a strategy for reducing HPV-driven transformation and the risk of cervical cancer development.
Insights
Cellular senescence, a stress response, can prevent cancer. This commentary explores targeting senescent cells in cervical cancer caused by oncogenes and Human Papilloma Virus (HPV) using senolytic agents.
Area of Science:
- Cellular Biology
- Oncology
- Virology
Background:
- Senescence is a cellular stress response causing growth arrest, often a tumor-suppressive mechanism.
- Oncogene activation (e.g., H-Ras) and Human Papilloma Virus (HPV) can induce senescence.
- Current HPV vaccines are ineffective against existing HPV infections, necessitating alternative cancer prevention strategies.
Purpose of the Study:
- To discuss the role of oncogene and HPV-induced senescence (OIS) in cervical cancer development.
- To explore the therapeutic potential of senolytic agents in eliminating HPV-harboring senescent cells.
- To propose senolytics as a strategy to reduce HPV-driven cervical cancer risk.
Main Methods:
- Review of existing literature on cellular senescence, oncogenesis, and HPV.
- Analysis of mechanisms by which oncogenes and HPV induce senescence.
- Evaluation of senolytic agents' potential to target senescent cells in the context of cervical cancer.
Main Results:
- Senescence acts as a tumor suppressor by halting the proliferation of cells with oncogenic mutations or viral infections.
- High-risk HPV strains can evade or manipulate senescence pathways, contributing to cervical cell transformation.
- Senescent cells accumulate in premalignant lesions, presenting a potential therapeutic target.
Conclusions:
- Targeting oncogene and HPV-induced senescence (OIS) is a promising avenue for cervical cancer prevention.
- Senolytic agents may eliminate HPV-infected senescent cells, reducing cancer development risk.
- Further research into senolytics could lead to novel strategies for managing HPV-positive individuals.
More Related Videos
10:26RNAscope for In situ Detection of Transcriptionally Active Human Papillomavirus in Head and Neck Squamous Cell Carcinoma
Published on: March 11, 2014
08:56Simultaneous Imaging and Flow-Cytometry-based Detection of Multiple Fluorescent Senescence Markers in Therapy-Induced Senescent Cancer Cells
Published on: July 12, 2022
Related Concept Videos
Targeted Cancer Therapies
There are several types of targeted therapies against...
Replicative Cell Senescence
Tumor Immunotherapy
Cancer Therapies
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
Cancer Vaccines
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...