Myeloid Cells in Glioblastoma Microenvironment

Glioblastoma (GBM) is the most aggressive, malignant primary brain tumor in adults. GBM is notoriously resistant to immunotherapy mainly due to its unique immune microenvironment. High dimensional data analysis reveals the extensive heterogeneity of immune components making up the GBM microenvironme...

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Main Authors: Alessandra De Leo, Alessio Ugolini, Filippo Veglia
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/10/1/18
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author Alessandra De Leo
Alessio Ugolini
Filippo Veglia
author_facet Alessandra De Leo
Alessio Ugolini
Filippo Veglia
author_sort Alessandra De Leo
collection DOAJ
description Glioblastoma (GBM) is the most aggressive, malignant primary brain tumor in adults. GBM is notoriously resistant to immunotherapy mainly due to its unique immune microenvironment. High dimensional data analysis reveals the extensive heterogeneity of immune components making up the GBM microenvironment. Myeloid cells are the most predominant contributors to the GBM microenvironment; these cells are critical regulators of immune and therapeutic responses to GBM. Here, we will review the most recent advances on the characteristics and functions of different populations of myeloid cells in GBM, including bone marrow-derived macrophages, microglia, myeloid-derived suppressor cells, dendritic cells, and neutrophils. Epigenetic, metabolic, and phenotypic peculiarities of microglia and bone marrow-derived macrophages will also be assessed. The final goal of this review will be to provide new insights into novel therapeutic approaches for specific targeting of myeloid cells to improve the efficacy of current treatments in GBM patients.
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spelling doaj.art-82c2ccf6572349959620fddc6c20e6d22023-11-21T02:24:21ZengMDPI AGCells2073-44092020-12-011011810.3390/cells10010018Myeloid Cells in Glioblastoma MicroenvironmentAlessandra De Leo0Alessio Ugolini1Filippo Veglia2Department of Immuno-Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612-9416, USADepartment of Immuno-Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612-9416, USADepartment of Immuno-Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612-9416, USAGlioblastoma (GBM) is the most aggressive, malignant primary brain tumor in adults. GBM is notoriously resistant to immunotherapy mainly due to its unique immune microenvironment. High dimensional data analysis reveals the extensive heterogeneity of immune components making up the GBM microenvironment. Myeloid cells are the most predominant contributors to the GBM microenvironment; these cells are critical regulators of immune and therapeutic responses to GBM. Here, we will review the most recent advances on the characteristics and functions of different populations of myeloid cells in GBM, including bone marrow-derived macrophages, microglia, myeloid-derived suppressor cells, dendritic cells, and neutrophils. Epigenetic, metabolic, and phenotypic peculiarities of microglia and bone marrow-derived macrophages will also be assessed. The final goal of this review will be to provide new insights into novel therapeutic approaches for specific targeting of myeloid cells to improve the efficacy of current treatments in GBM patients.https://www.mdpi.com/2073-4409/10/1/18myeloid cellstumor-associated macrophagesmicroglianeutrophilsdendritic cellsmyeloid-derived suppressor cells
spellingShingle Alessandra De Leo
Alessio Ugolini
Filippo Veglia
Myeloid Cells in Glioblastoma Microenvironment
Cells
myeloid cells
tumor-associated macrophages
microglia
neutrophils
dendritic cells
myeloid-derived suppressor cells
title Myeloid Cells in Glioblastoma Microenvironment
title_full Myeloid Cells in Glioblastoma Microenvironment
title_fullStr Myeloid Cells in Glioblastoma Microenvironment
title_full_unstemmed Myeloid Cells in Glioblastoma Microenvironment
title_short Myeloid Cells in Glioblastoma Microenvironment
title_sort myeloid cells in glioblastoma microenvironment
topic myeloid cells
tumor-associated macrophages
microglia
neutrophils
dendritic cells
myeloid-derived suppressor cells
url https://www.mdpi.com/2073-4409/10/1/18
work_keys_str_mv AT alessandradeleo myeloidcellsinglioblastomamicroenvironment
AT alessiougolini myeloidcellsinglioblastomamicroenvironment
AT filippoveglia myeloidcellsinglioblastomamicroenvironment