Myeloid-Derived Suppressor Cells in the Tumor Microenvironment
Matthew Dysthe1,2, Robin Parihar3,4
1Translational Biology and Molecular Medicine Graduate Program, Baylor College of Medicine, Houston, TX, USA.
Advances in Experimental Medicine and Biology
|February 10, 2020
Summary
Myeloid-derived suppressor cells (MDSCs) are key immune cells in cancer that promote tumor growth and spread. Targeting MDSCs offers a promising therapeutic strategy for improving cancer treatment outcomes.
Area of Science:
- Immunology
- Cancer Biology
- Cellular Biology
Background:
- Myeloid-derived suppressor cells (MDSCs) are immature myeloid cells that suppress immune responses.
- In cancer, MDSCs accumulate in the tumor microenvironment (TME), promoting tumor immune evasion, angiogenesis, and metastasis.
- MDSC frequencies correlate with tumor stage, progression, and treatment resistance.
Purpose of the Study:
- To review the characterization, development, and expansion of MDSCs.
- To elucidate the mechanisms by which MDSCs facilitate immunosuppression and tumor progression.
- To highlight the clinical significance of MDSCs and therapeutic strategies targeting them.
Main Methods:
- Review of existing literature on MDSC biology and function in cancer.
- Analysis of studies correlating MDSC levels with clinical outcomes.
- Examination of therapeutic strategies aimed at modulating MDSC activity.
Main Results:
- MDSCs are a heterogeneous population with diverse suppressive functions.
- MDSCs contribute to immune suppression, angiogenesis, and metastasis in the TME.
- Clinical studies demonstrate the prognostic and predictive value of MDSC frequencies.
Conclusions:
- MDSCs play a critical role in cancer progression and immune evasion.
- Targeting MDSCs presents a viable therapeutic avenue for cancer treatment.
- Further research into MDSC biology will yield novel treatment strategies.
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