Therapeutic and Diagnostic Guidelines
Copyright ©The Author(s) 2021.
World J Gastrointest Oncol. Jan 15, 2021; 13(1): 1-11
Published online Jan 15, 2021. doi: 10.4251/wjgo.v13.i1.1
Table 1 Two main categories of myeloid-derived suppressor cells and their immunosuppressive functions[59]
Type of MDSC
Markers in humans
Immunosuppression mediator
Mechanism of immunosuppression
PMN-MDSCsCD11b+CD14CD15+HLADRor CD11b+CD14CD66b+ or LOX-1+ARG1, ROSSuppressing immune responses mainly in an antigen-specific manner; ROS production
M-MDSCsCD11b+CD14+CD15HLADRlow/−NO, ARG1, and cytokines such as TGF-β and IL-10Suppressing T cell responses, both in antigen-specific and non-specific manners; production of NO and cytokines