Immunotherapy biomarkers in brain metastases: insights into tumor microenvironment dynamics

Brain metastases (BM), represent the most common intracranial malignancies in adults and remain a major clinical challenge due to their poor prognosis and limited therapeutic options. Although immunotherapy has emerged and offers a promising strategy, its efficacy in BM is often compromised by the i...

Full description

Saved in:
Bibliographic Details
Main Authors: Mu Li, Yi Zhang, Duo Yu, Yaoyu Yu, Wenxue Ma
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-08-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fimmu.2025.1600261/full
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1849763082607263744
author Mu Li
Yi Zhang
Duo Yu
Yaoyu Yu
Wenxue Ma
author_facet Mu Li
Yi Zhang
Duo Yu
Yaoyu Yu
Wenxue Ma
author_sort Mu Li
collection DOAJ
description Brain metastases (BM), represent the most common intracranial malignancies in adults and remain a major clinical challenge due to their poor prognosis and limited therapeutic options. Although immunotherapy has emerged and offers a promising strategy, its efficacy in BM is often compromised by the immunosuppressive tumor microenvironment (TME) and limited immune cell infiltration. This review highlights the critical role of cytokines and growth factors as key modulators of immune dynamics in the TME, exploring their utility as predictive and prognostic biomarkers for immune response. We examine selected categories of biomarkers including genomic, proteomic, immunological, circulating, and microenvironmental, specifically through the lens of cytokine and growth factor regulation. Additionally, we highlight how advanced technologies, including next-generation sequencing (NGS), single-cell RNA sequencing (scRNA-seq), spatial transcriptomics, and liquid biopsies, contribute to the identification and validation of these biomarkers. By addressing current challenges and proposing future directions, this review underscores the translational value of cytokine- and growth factor-related biomarkers in optimizing precision immunotherapy for patient s with BM.
format Article
id doaj-art-c23eb248f97f47dca071b6ae8cf705c8
institution DOAJ
issn 1664-3224
language English
publishDate 2025-08-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Immunology
spelling doaj-art-c23eb248f97f47dca071b6ae8cf705c82025-08-20T03:05:31ZengFrontiers Media S.A.Frontiers in Immunology1664-32242025-08-011610.3389/fimmu.2025.16002611600261Immunotherapy biomarkers in brain metastases: insights into tumor microenvironment dynamicsMu Li0Yi Zhang1Duo Yu2Yaoyu Yu3Wenxue Ma4Department of Neurosurgery, Dengzhou People’s Hospital, Dengzhou, Henan, ChinaDepartment of Neurosurgery, Dengzhou People’s Hospital, Dengzhou, Henan, ChinaDepartment of Biopharmaceutics, School of Pharmacy, Air Force Medical University, Xi’an, ChinaDepartment of Neurosurgery, Brain Hospital Affiliated to Tongji University, Shanghai, ChinaDepartment of Medicine, Sanford Stem Cell Institute, and Moores Cancer Center, University of California San Diego, La Jolla, CA, United StatesBrain metastases (BM), represent the most common intracranial malignancies in adults and remain a major clinical challenge due to their poor prognosis and limited therapeutic options. Although immunotherapy has emerged and offers a promising strategy, its efficacy in BM is often compromised by the immunosuppressive tumor microenvironment (TME) and limited immune cell infiltration. This review highlights the critical role of cytokines and growth factors as key modulators of immune dynamics in the TME, exploring their utility as predictive and prognostic biomarkers for immune response. We examine selected categories of biomarkers including genomic, proteomic, immunological, circulating, and microenvironmental, specifically through the lens of cytokine and growth factor regulation. Additionally, we highlight how advanced technologies, including next-generation sequencing (NGS), single-cell RNA sequencing (scRNA-seq), spatial transcriptomics, and liquid biopsies, contribute to the identification and validation of these biomarkers. By addressing current challenges and proposing future directions, this review underscores the translational value of cytokine- and growth factor-related biomarkers in optimizing precision immunotherapy for patient s with BM.https://www.frontiersin.org/articles/10.3389/fimmu.2025.1600261/fullbiomarkersimmunotherapybrain metastasescytokinestumor microenvironment (TME)transcriptomics
spellingShingle Mu Li
Yi Zhang
Duo Yu
Yaoyu Yu
Wenxue Ma
Immunotherapy biomarkers in brain metastases: insights into tumor microenvironment dynamics
Frontiers in Immunology
biomarkers
immunotherapy
brain metastases
cytokines
tumor microenvironment (TME)
transcriptomics
title Immunotherapy biomarkers in brain metastases: insights into tumor microenvironment dynamics
title_full Immunotherapy biomarkers in brain metastases: insights into tumor microenvironment dynamics
title_fullStr Immunotherapy biomarkers in brain metastases: insights into tumor microenvironment dynamics
title_full_unstemmed Immunotherapy biomarkers in brain metastases: insights into tumor microenvironment dynamics
title_short Immunotherapy biomarkers in brain metastases: insights into tumor microenvironment dynamics
title_sort immunotherapy biomarkers in brain metastases insights into tumor microenvironment dynamics
topic biomarkers
immunotherapy
brain metastases
cytokines
tumor microenvironment (TME)
transcriptomics
url https://www.frontiersin.org/articles/10.3389/fimmu.2025.1600261/full
work_keys_str_mv AT muli immunotherapybiomarkersinbrainmetastasesinsightsintotumormicroenvironmentdynamics
AT yizhang immunotherapybiomarkersinbrainmetastasesinsightsintotumormicroenvironmentdynamics
AT duoyu immunotherapybiomarkersinbrainmetastasesinsightsintotumormicroenvironmentdynamics
AT yaoyuyu immunotherapybiomarkersinbrainmetastasesinsightsintotumormicroenvironmentdynamics
AT wenxuema immunotherapybiomarkersinbrainmetastasesinsightsintotumormicroenvironmentdynamics