The Open Cancer Immunology Journal




(Discontinued)

ISSN: 1876-4010 ― Volume 8, 2020
REVIEW ARTICLE

Myeloid-derived Suppressor Cells in Cancer: A Review on the Pathogenesis and Therapeutic Potentials



Seidu A. Richard
Department of Medicine, Princefield University, P. O. Box MA 128, Ho-Volta Region, Ghana, West Africa

Abstract

Myeloid-Derived Suppressor Cells (MDSCs) are multifarious group of immature cells that arise from the myeloid and amass in individuals with cancer, sepsis, burns, or chronic inflammation. It has been evidenced that these group of cells are efficient in modifying adaptive and innate immune responses, coherent with their assumed key biological roles. It is evidenced that MDSCs inter-communicate with Tumor-Associated Macrophages (TAM), Tumor-Associated Neutrophils (TAN), Dendritic Cells (DCs), Receptor for Advanced Glycation End-products (RAGE), Toll-Like Receptors (TLRs), Matrix Metalloproteinase (MMPs) as well as High Mobility Group Box 1 (HMGB1) during carcinogenesis. This interaction although elaborated in various studies and reviews still does not explain in details as to how their interplay results in cancer pathogenesis. We noted that MDSC contributed to cancer immune suppression via TLR-4 receptor and lipopolysaccharideas (LPS). Furthermore, MDSC contributed to cancer development via MMPs (MMP-9 and MMP1-12) as well as RAGE. In the cancer microenvironment, HMGB1-driven MDSC amassment expedites cancer development and metastasis via PMN-MDSCs, macrophages, DCs and Immature Myeloid Cells (IMC). Also, HMGB1 intermediation with MDSCs via RAGE and/or TLR-4 leading to cancer development. Nevertheless, MDSCs have already proven potent in some cancers and are currently been used as treatment options although further studies are needed in some other cancers. Our review, therefore, explores the pivotal pathogenic and therapeutic roles of MDSCs in cancer.

Keywords: MDSC, HMGB1, MMPs, RAGE, TLRs, Macrophages.


Article Information


Identifiers and Pagination:

Year: 2018
Volume: 7
First Page: 16
Last Page: 33
Publisher Id: TOCIJ-7-16
DOI: 10.2174/1876401001807010016

Article History:

Received Date: 01/09/2018
Revision Received Date: 12/11/2018
Acceptance Date: 14/11/2018
Electronic publication date: 30/11/2018
Collection year: 2018

© 2018 Seidu A. Richard.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Department of Medicine, Princefield University, P. O. Box MA 128, Ho-Volta Region, Ghana, West Africa; Tel: +233508404595; Email: gbepoo@gmail.com.



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