Faculty, Staff and Student Publications
Publication Date
12-5-2024
Journal
Neuro-Oncology
DOI
10.1093/neuonc/noae139
PMID
39126294
PMCID
PMC11630528
PubMedCentral® Posted Date
8-10-2024
PubMedCentral® Full Text Version
Post-print
Abstract
Background: Human gliomas are classified using isocitrate dehydrogenase (IDH) status as a prognosticator; however, the influence of genetic differences and treatment effects on ensuing immunity remains unclear.
Methods: In this study, we used sequential single-cell transcriptomics on 144 678 and spectral cytometry on over 2 million immune cells encompassing 48 human gliomas to decipher their immune landscape.
Results: We identified 22 distinct immune cell types that contribute to glioma immunity. Specifically, brain-resident microglia (MG) were reduced with a concomitant increase in CD8+ T lymphocytes during glioma recurrence independent of IDH status. In contrast, IDH-wild type-associated patterns, such as an abundance of antigen-presenting cell-like MG and cytotoxic CD8+ T cells, were observed. Beyond elucidating the differences in IDH, relapse, and treatment-associated immunity, we discovered novel inflammatory MG subpopulations expressing granulysin, a cytotoxic peptide that is otherwise expressed in lymphocytes only. Furthermore, we provide a robust genomic framework for defining macrophage polarization beyond M1/M2 paradigm and reference signatures of glioma-specific tumor immune microenvironment (termed GlioTIME-36) for deconvoluting transcriptomic datasets.
Conclusions: This study provides advanced optics of the human pan-glioma immune contexture as a valuable guide for translational and clinical applications.
Keywords
Humans, Glioma, Isocitrate Dehydrogenase, Brain Neoplasms, Neoplasm Recurrence, Local, Tumor Microenvironment, Prognosis, Biomarkers, Tumor, Microglia, Single-Cell Analysis, Lymphocytes, Tumor-Infiltrating, Mutation, Transcriptome, CD8-Positive T-Lymphocytes, glioma, isocitrate dehydrogenase, microglia, tumor immune microenvironment
Published Open-Access
yes
Recommended Citation
Gupta, Pravesh; Dang, Minghao; Oberai, Shivangi; et al., "Immune Landscape of Isocitrate Dehydrogenase-Stratified Primary and Recurrent Human Gliomas" (2024). Faculty, Staff and Student Publications. 4521.
https://digitalcommons.library.tmc.edu/uthgsbs_docs/4521
Graphical Abstract
Included in
Bioinformatics Commons, Biomedical Informatics Commons, Genetic Phenomena Commons, Medical Genetics Commons, Oncology Commons