Brain metastasis of non-small cell lung cancer is associated with poor survival outcomes and poses rough clinical challenges. At the era of immunotherapy, it is urgent to perform a comprehensive study uncovering the specific immune microenvironment of brain metastases of NSCLC. The immune microenvironment of brain is distinctly different from microenvironments of extracranial lesions. In this review, we summarized the process of brain metastases across the barrier and revealed that brain is not completely immune-privileged. We comprehensively described the specific components of immune microenvironment for brain metastases such as central nervous system-derived antigen-presenting cells, microglia and astrocytes. Besides, the difference of immune microenvironment between brain metastases and primary foci of lung was particularly demonstrated.
CITATION STYLE
Luo, L., Liu, P., Zhao, K., Zhao, W., & Zhang, X. (2021, July 14). The Immune Microenvironment in Brain Metastases of Non-Small Cell Lung Cancer. Frontiers in Oncology. Frontiers Media S.A. https://doi.org/10.3389/fonc.2021.698844
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