Role of T Lymphocytes in Glioma Immune Microenvironment: Two Sides of a Coin

Glioma is known for its immunosuppressive microenvironment, which makes it challenging to target through immunotherapies. Immune cells like macrophages, microglia, myeloid-derived suppressor cells, and T lymphocytes are known to infiltrate the glioma tumor microenvironment and regulate immune respon...

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Main Authors: Laiba Noor, Arun Upadhyay, Vibhuti Joshi
Format: Article
Language:English
Published: MDPI AG 2024-10-01
Series:Biology
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Online Access:https://www.mdpi.com/2079-7737/13/10/846
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author Laiba Noor
Arun Upadhyay
Vibhuti Joshi
author_facet Laiba Noor
Arun Upadhyay
Vibhuti Joshi
author_sort Laiba Noor
collection DOAJ
description Glioma is known for its immunosuppressive microenvironment, which makes it challenging to target through immunotherapies. Immune cells like macrophages, microglia, myeloid-derived suppressor cells, and T lymphocytes are known to infiltrate the glioma tumor microenvironment and regulate immune response distinctively. Among the variety of immune cells, T lymphocytes have highly complex and multifaceted roles in the glioma immune landscape. T lymphocytes, which include CD4<sup>+</sup> helper and CD8<sup>+</sup> cytotoxic T cells, are known for their pivotal roles in anti-tumor responses. However, these cells may behave differently in the highly dynamic glioma microenvironment, for example, via an immune invasion mechanism enforced by tumor cells. Therefore, T lymphocytes play dual roles in glioma immunity, firstly by their anti-tumor responses, and secondly by exploiting gliomas to promote immune invasion. As an immunosuppression strategy, glioma induces T-cell exhaustion and suppression of effector T cells by regulatory T cells (Tregs) or by altering their signaling pathways. Further, the expression of immune checkpoint inhibitors on the glioma cell surface leads to T cell anergy and dysfunction. Overall, this dynamic interplay between T lymphocytes and glioma is crucial for designing more effective immunotherapies. The current review provides detailed knowledge on the roles of T lymphocytes in the glioma immune microenvironment and helps to explore novel therapeutic approaches to reinvigorate T lymphocytes.
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spelling doaj-art-ab350868d3c24cd7bd8f55a10f96f9d52025-08-20T02:10:57ZengMDPI AGBiology2079-77372024-10-01131084610.3390/biology13100846Role of T Lymphocytes in Glioma Immune Microenvironment: Two Sides of a CoinLaiba Noor0Arun Upadhyay1Vibhuti Joshi2Department of Biotechnology, Bennett University, Greater Noida 201310, Uttar Pradesh, IndiaDepartment of Bioscience and Biomedical Engineering, Indian Institute of Technology Bhilai, Durg 491002, Chhattisgarh, IndiaDepartment of Biotechnology, Bennett University, Greater Noida 201310, Uttar Pradesh, IndiaGlioma is known for its immunosuppressive microenvironment, which makes it challenging to target through immunotherapies. Immune cells like macrophages, microglia, myeloid-derived suppressor cells, and T lymphocytes are known to infiltrate the glioma tumor microenvironment and regulate immune response distinctively. Among the variety of immune cells, T lymphocytes have highly complex and multifaceted roles in the glioma immune landscape. T lymphocytes, which include CD4<sup>+</sup> helper and CD8<sup>+</sup> cytotoxic T cells, are known for their pivotal roles in anti-tumor responses. However, these cells may behave differently in the highly dynamic glioma microenvironment, for example, via an immune invasion mechanism enforced by tumor cells. Therefore, T lymphocytes play dual roles in glioma immunity, firstly by their anti-tumor responses, and secondly by exploiting gliomas to promote immune invasion. As an immunosuppression strategy, glioma induces T-cell exhaustion and suppression of effector T cells by regulatory T cells (Tregs) or by altering their signaling pathways. Further, the expression of immune checkpoint inhibitors on the glioma cell surface leads to T cell anergy and dysfunction. Overall, this dynamic interplay between T lymphocytes and glioma is crucial for designing more effective immunotherapies. The current review provides detailed knowledge on the roles of T lymphocytes in the glioma immune microenvironment and helps to explore novel therapeutic approaches to reinvigorate T lymphocytes.https://www.mdpi.com/2079-7737/13/10/846gliomatumor microenvironmentT lymphocytesimmunomodulationimmunotherapy
spellingShingle Laiba Noor
Arun Upadhyay
Vibhuti Joshi
Role of T Lymphocytes in Glioma Immune Microenvironment: Two Sides of a Coin
Biology
glioma
tumor microenvironment
T lymphocytes
immunomodulation
immunotherapy
title Role of T Lymphocytes in Glioma Immune Microenvironment: Two Sides of a Coin
title_full Role of T Lymphocytes in Glioma Immune Microenvironment: Two Sides of a Coin
title_fullStr Role of T Lymphocytes in Glioma Immune Microenvironment: Two Sides of a Coin
title_full_unstemmed Role of T Lymphocytes in Glioma Immune Microenvironment: Two Sides of a Coin
title_short Role of T Lymphocytes in Glioma Immune Microenvironment: Two Sides of a Coin
title_sort role of t lymphocytes in glioma immune microenvironment two sides of a coin
topic glioma
tumor microenvironment
T lymphocytes
immunomodulation
immunotherapy
url https://www.mdpi.com/2079-7737/13/10/846
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AT vibhutijoshi roleoftlymphocytesingliomaimmunemicroenvironmenttwosidesofacoin