Cancer Cell Dormancy and Chemotherapy Resistance
Jingxian Hu1, Wei Zhou2, Ying Zhao1
1Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China.
Journal of Cancer
|December 24, 2025
Summary
Cancer cell dormancy, induced by chemotherapy, leads to drug resistance but can be reversible. Understanding dormancy and awakening mechanisms is key to improving cancer treatment outcomes.
Area of Science:
- Oncology
- Cancer Biology
- Pharmacology
Background:
- Cancer cell dormancy is a state linked to tumor recurrence and metastasis.
- Chemotherapy often induces cancer cell dormancy as a resistance mechanism.
- Dormant cells exhibit resistance to anticancer drugs but are not immediately harmful.
Purpose of the Study:
- To review the mechanisms of cancer cell dormancy and awakening under chemotherapy.
- To identify strategies for optimizing chemotherapy based on dormancy research.
- To explore novel therapeutic interests for improving patient prognosis.
Main Methods:
- Analysis of existing studies on cancer cell dormancy and chemotherapy response.
- Identification of adaptive mechanisms conferring drug resistance in dormant cells.
- Examination of factors modulating dormancy-awakening transitions.
Main Results:
- Chemotherapy-induced dormancy involves tumor microenvironment remodeling and altered signaling.
- Adaptive mechanisms include unfolded protein response, metabolic reprogramming, and autophagy.
- Dormancy reversibility is influenced by treatment parameters and patient-specific factors.
Conclusions:
- Direct elimination or permanent dormancy of cancer cells predicts better outcomes.
- Further research into dormancy and awakening is crucial for effective cancer therapy.
- Optimizing chemotherapy strategies requires a deeper understanding of these cellular states.
Related Concept Videos
Treatment Resistant Cancers
3.7K
Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...
3.7K
Cancer Stem Cells and Tumor Maintenance
5.8K
Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
5.8K
Adaptive Mechanisms in Cancer Cells
6.9K
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
6.9K
Cancer
53.4K
Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
53.4K
Inhibition of Cdk Activity
5.5K
The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
5.5K
Cancer Therapies
9.8K
Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
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...
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...
9.8K


