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Quantitative Immunohistochemistry of the Cellular Microenvironment in Patient Glioblastoma Resections
Published on: July 31, 2017
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The strange Microenvironment of Glioblastoma
L Brisson1, L Henrique Geraldo2, A Bikfalvi1
1BRIC Inserm U1312, Université de Bordeaux, 33615 Pessac, France.
Revue Neurologique
|March 24, 2023
Summary
Glioblastoma (GB) is an aggressive brain tumor. This review details how its tumor microenvironment (TME), including vasculature and immune cells, drives progression and impacts therapy, offering new therapeutic targets.
Area of Science:
- Neuro-oncology
- Cancer immunology
- Tumor microenvironment research
Background:
- Glioblastoma (GB) is the most common and aggressive primary brain tumor, characterized by poor patient survival and limited therapeutic options.
- The tumor microenvironment (TME) plays a critical role in glioblastoma progression and presents a potential therapeutic target.
- Key components of the GB TME include dysmorphic vasculature, immunosuppressive myeloid cells, and neuronal elements, all influencing tumor development.
Purpose of the Study:
- To provide a comprehensive review of the vascular and immune components within the glioblastoma tumor microenvironment (TME).
- To elucidate the intricate crosstalk between these components during glioblastoma progression.
- To highlight the TME as a critical factor influencing therapeutic efficacy in glioblastoma.
Main Methods:
- Literature review and synthesis of existing research on glioblastoma biology.
- Analysis of studies focusing on the cellular and structural components of the glioblastoma TME.
- Examination of the functional interactions between vascular, immune, and neuronal elements in glioblastoma.
Main Results:
- Glioblastoma tumor vasculature is often dysmorphic, hindering the delivery of chemotherapeutic agents.
- The TME is characterized by extensive infiltration of immunosuppressive myeloid cells, limiting the effectiveness of immunotherapies.
- Limited T cell recruitment within the TME further compromises anti-tumor immune responses.
- Evidence suggests neuronal input actively contributes to glioblastoma expansion.
Conclusions:
- Understanding the complex interplay of vascular and immune components in the glioblastoma TME is crucial for developing effective treatments.
- Targeting the TME, including its vasculature and immune milieu, holds promise for improving glioblastoma patient outcomes.
- Future therapeutic strategies should consider the multifaceted nature of the glioblastoma TME to overcome treatment resistance.
