Targeting the CSF1/CSF1R axis is a potential treatment strategy for malignant meningiomas
Yeung J, Yaghoobi V, Miyagishima D, Vesely MD, Zhang T, Badri T, Nassar A, Han X, Sanmamed MF, Youngblood M, Peyre M, Kalamarides M, Rimm DL, Gunel M, Chen L. Targeting the CSF1/CSF1R axis is a potential treatment strategy for malignant meningiomas. Neuro-Oncology 2021, 23: 1922-1935. PMID: 33914067, PMCID: PMC8563319, DOI: 10.1093/neuonc/noab075.Peer-Reviewed Original ResearchConceptsColony-stimulating factor-1Myeloid cellsMalignant meningiomasTumor microenvironmentCSF1/CSF1RRNA-seqRNA sequencingHuman meningiomasImmune subsetsGene expressionT cellsTreatment strategiesNormalization cancer immunotherapyImportant regulatorCell typesNovel immunocompetent murine modelDeath ligand 1 (PD-L1) expressionCell death receptor-1Immunosuppressive myeloid cellsDeath receptor-1Ligand 1 expressionFactor 1Immune cell typesImmunocompetent murine modelEffective treatment strategiesSpatially Resolved and Quantitative Analysis of the Immunological Landscape in Human Meningiomas
Yeung J, Yaghoobi V, Aung TN, Vesely MD, Zhang T, Gaule P, Gunel M, Rimm DL, Chen L. Spatially Resolved and Quantitative Analysis of the Immunological Landscape in Human Meningiomas. Journal Of Neuropathology & Experimental Neurology 2021, 80: 150-159. PMID: 33393633, DOI: 10.1093/jnen/nlaa152.Peer-Reviewed Original ResearchMeSH KeywordsB7-H1 AntigenBiomarkers, TumorHumansLymphocytes, Tumor-InfiltratingMacrophagesMeningeal NeoplasmsMeningiomaProgrammed Cell Death 1 Ligand 2 ProteinConceptsPD-L1 expressionT cell infiltrationPD-L1PD-L2Human meningiomasTumor-infiltrating immune cell populationsHigh PD-L1 expressionT-cell activation/proliferationActivation/dysfunctionLevels of CD3Immune cell subsetsT-cell phenotypeImmune cell populationsHigh-grade tumorsActivation/proliferationHigher CD3TIL infiltrationCD8 ratioImmunotherapeutic strategiesCell subsetsImmunological statusGrade tumorsImmunological landscapeTissue microarrayMacrophage phenotype