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Updated: Jan 31, 2026

A Sensitive Method to Quantify Senescent Cancer Cells
Published on: August 2, 2013
Role of senescence induction in cancer treatment
Shenghui Qin1, Bradley A Schulte1, Gavin Y Wang1
1Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC 29425, United States.
Abstract:
Cellular senescence is a form of permanent cell cycle arrest that can be triggered by a variety of cell-intrinsic and extrinsic stimuli, including telomere shortening, DNA damage, oxidative stress, and exposure to chemotherapeutic agents and ionizing radiation. Although the induction of apoptotic cell death is a desirable outcome in cancer therapy, mutations and/or deficiencies in the apoptotic signaling pathways have been frequently identified in many human cancer types, suggesting the importance of alternative apoptosis-independent therapeutic approaches for cancer treatment. A growing body of evidence has documented that senescence induction in tumor cells is a frequent response to many anticancer modalities including cyclin-dependent kinases 4/6 small molecule inhibitor-based targeted therapeutics and T helper-1 cytokine-mediated immunotherapy. This review discusses the recent advances and clinical relevance of therapy-induced senescence in cancer treatment.
Insights
Cellular senescence, a permanent cell arrest, offers an alternative cancer treatment strategy. Inducing senescence in tumor cells shows promise against various cancers, especially when apoptosis pathways are compromised.
Area of Science:
- Oncology
- Cell Biology
- Cancer Therapeutics
Background:
- Cellular senescence is a permanent cell cycle arrest mechanism.
- Cancer cells often evade apoptosis, necessitating alternative therapeutic strategies.
- Therapy-induced senescence is an emerging approach in cancer treatment.
Purpose of the Study:
- To review recent advances in therapy-induced senescence for cancer treatment.
- To discuss the clinical relevance of senescence induction in oncology.
Main Methods:
- Literature review of studies on therapy-induced senescence.
- Analysis of anticancer modalities that induce senescence.
- Evaluation of clinical data on senescence-based therapies.
Main Results:
- Senescence induction is a common response to various anticancer treatments.
- Targeted therapeutics (e.g., CDK4/6 inhibitors) and immunotherapy can trigger senescence.
- Senescence offers an apoptosis-independent mechanism for tumor suppression.
Conclusions:
- Therapy-induced senescence is a clinically relevant strategy for cancer treatment.
- This approach holds promise for overcoming therapeutic resistance.
- Further research is needed to optimize senescence-based cancer therapies.
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