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Updated: Jul 24, 2025

Author Spotlight: Epigenetic Modifications and Metabolic Rewiring as Targets for Cancer Therapy
Published on: October 18, 2024
Histone modifications in drug-resistant cancers: From a cancer stem cell and immune evasion perspective
Ming Li Jin1, Kwang Won Jeong2
1Gachon Research Institute of Pharmaceutical Sciences, College of Pharmacy, Gachon University, 191 Hambakmoero, Yeonsu-gu, Incheon, 21936, Republic of Korea.
Abstract:
The development and immune evasion of cancer stem cells (CSCs) limit the efficacy of currently available anticancer therapies. Recent studies have shown that epigenetic reprogramming regulates the expression of characteristic marker proteins and tumor plasticity associated with cancer cell survival and metastasis in CSCs. CSCs also possess unique mechanisms to evade external attacks by immune cells. Hence, the development of new strategies to restore dysregulated histone modifications to overcome cancer resistance to chemotherapy and immunotherapy has recently attracted attention. Restoring abnormal histone modifications can be an effective anticancer strategy to increase the therapeutic effect of conventional chemotherapeutic and immunotherapeutic drugs by weakening CSCs or by rendering them in a naïve state with increased sensitivity to immune responses. In this review, we summarize recent findings regarding the role of histone modifiers in the development of drug-resistant cancer cells from the perspectives of CSCs and immune evasion. In addition, we discuss attempts to combine currently available histone modification inhibitors with conventional chemotherapy or immunotherapy.
Insights
Restoring abnormal histone modifications can overcome cancer stem cell (CSC) drug resistance and immune evasion. This approach enhances chemotherapy and immunotherapy efficacy by sensitizing CSCs to treatment.
Area of Science:
- Oncology
- Epigenetics
- Immunology
Background:
- Cancer stem cells (CSCs) drive tumor development, metastasis, and therapy resistance.
- Epigenetic reprogramming influences CSC marker proteins, plasticity, survival, and immune evasion.
- Current anticancer therapies are limited by CSCs' ability to evade immune responses.
Purpose of the Study:
- To review the role of histone modifiers in CSC drug resistance and immune evasion.
- To explore strategies for restoring dysregulated histone modifications in cancer treatment.
- To discuss combining histone modification inhibitors with conventional therapies.
Main Methods:
- Literature review of recent findings on histone modifiers and CSCs.
- Analysis of CSCs' epigenetic reprogramming and immune evasion mechanisms.
- Examination of therapeutic strategies targeting histone modifications.
Main Results:
- Histone modifiers play a crucial role in CSC development and drug resistance.
- Dysregulated histone modifications contribute to CSC immune evasion.
- Restoring normal histone modifications can re-sensitize CSCs to therapy.
Conclusions:
- Targeting histone modifications offers a promising strategy to enhance cancer therapy.
- Combining histone modification inhibitors with chemotherapy or immunotherapy may improve outcomes.
- Further research is needed to develop effective histone modifier-based cancer treatments.
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