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Metabolic reprogramming of myeloid-derived suppressor cells: An innovative approach confronting challenges
Journal of Leukocyte Biology  (IF4.962),  Pub Date : 2021-06-02, DOI: 10.1002/jlb.1mr0421-597rr
Xiaoqing Li, Yixue Li, Qinru Yu, Pengxu Qian, He Huang, Yu Lin

Immune cells such as T cells, macrophages, dendritic cells, and other immunoregulatory cells undergo metabolic reprogramming in cancer and inflammation-derived microenvironment to meet specific physiologic and functional demands. Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of immature myeloid cells that are characterized by immunosuppressive activity, which plays a key role in host immune homeostasis. In this review, we have discussed the core metabolic pathways, including glycolysis, lipid and fatty acid biosynthesis, and amino acid metabolism in the MDSCs under various pathologic situations. Metabolic reprogramming is a determinant of the phenotype and functions of MDSCs, and is therefore a novel therapeutic possibility in various diseases.