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Immunosenescence: a key player in cancer development
Jingyao Lian1,2, Ying Yue1,2,3, Weina Yu1,2
1Biotherapy Center and Cancer Center, The First Affiliated Hospital of Zhengzhou University, 1 Jianshe East Road, Zhengzhou, 450052, Henan, China.
Journal of Hematology & Oncology
|November 10, 2020
Summary
Aging immune systems (immunosenescence) impair T cell function, increasing risks for infections and cancer. Senescent immune cells impact tumor growth and immunotherapy responses, suggesting new treatment strategies targeting cellular aging.
Area of Science:
- Immunology
- Gerontology
- Oncology
Background:
- Immunosenescence, age-related immune dysfunction, involves lymphoid organ remodeling and altered immune cell function.
- Key features include T cell decline, senescence-associated secretory phenotype, increased glycolysis, and reactive oxygen species.
- Senescent T cells display distinct phenotypes linked to cancer development.
Purpose of the Study:
- To review the characteristics of immunosenescence.
- To examine the impact of immunosenescence on malignant tumors.
- To discuss the implications for cancer immunotherapy and future treatment strategies.
Main Methods:
- Literature review of immunosenescence, T cell biology, and tumor immunology.
- Analysis of factors influencing immune cell senescence in the tumor microenvironment.
- Exploration of potential senescence-targeting interventions for cancer therapy.
Main Results:
- Immunosenescence contributes to infections, autoimmune diseases, and cancer.
- Tumor microenvironment factors can induce immune cell senescence, affecting tumor progression.
- The role of immunosenescence in immunotherapy response, particularly in the elderly, requires further investigation.
Conclusions:
- Immunosenescence significantly impacts cancer development and progression.
- Senescence-focused strategies offer potential for novel tumor treatments.
- Further research is needed to clarify immunosenescence's role in immunotherapy and optimize interventions.
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