Article ; Online: Key players of immunosuppression in epithelial malignancies: Tumor-infiltrating myeloid cells and γδ T cells.
Cancer reports (Hoboken, N.J.)
2024 Volume 7, Issue 5, Page(s) e2066
Abstract: Background: The tumor microenvironment of solid tumors governs the differentiation of otherwise non-immunosuppressive macrophages and gamma delta (γδ) T cells into strong immunosuppressors while promoting suppressive abilities of known immunosuppressors ...
Abstract | Background: The tumor microenvironment of solid tumors governs the differentiation of otherwise non-immunosuppressive macrophages and gamma delta (γδ) T cells into strong immunosuppressors while promoting suppressive abilities of known immunosuppressors such as myeloid-derived suppressor cells (MDSCs) upon infiltration into the tumor beds. Recent findings: In epithelial malignancies, tumor-associated macrophages (TAMs), precursor monocytic MDSCs (M-MDSCs), and gamma delta (γδ) T cells often acquire strong immunosuppressive abilities that dampen spontaneous immune responses by tumor-infiltrating T cells and B lymphocytes against cancer. Both M-MDSCs and γδ T cells have been associated with worse prognosis for multiple epithelial cancers. Conclusion: Here we discuss recent discoveries on how tumor-associated macrophages and precursor M-MDSCs as well as tumor associated-γδ T cells acquire immunosuppressive abilities in the tumor beds, promote cancer metastasis, and perspectives on how possible novel interventions could restore the effective adaptive immune responses in epithelial cancers. |
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MeSH term(s) | Humans ; Tumor Microenvironment/immunology ; Lymphocytes, Tumor-Infiltrating/immunology ; Myeloid-Derived Suppressor Cells/immunology ; Intraepithelial Lymphocytes/immunology ; Neoplasms, Glandular and Epithelial/immunology ; Neoplasms, Glandular and Epithelial/pathology ; Immune Tolerance ; Animals ; Tumor-Associated Macrophages/immunology ; Receptors, Antigen, T-Cell, gamma-delta/metabolism ; Receptors, Antigen, T-Cell, gamma-delta/immunology ; Myeloid Cells/immunology |
Chemical Substances | Receptors, Antigen, T-Cell, gamma-delta |
Language | English |
Publishing date | 2024-05-03 |
Publishing country | United States |
Document type | Journal Article ; Review ; Research Support, Non-U.S. Gov't |
ISSN | 2573-8348 |
ISSN (online) | 2573-8348 |
DOI | 10.1002/cnr2.2066 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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