Platelet-derived TLT-1 promotes tumor progression by suppressing CD8+ T cells
Tyagi T, Jain K, Yarovinsky TO, Chiorazzi M, Du J, Castro C, Griffin J, Korde A, Martin KA, Takyar SS, Flavell RA, Patel AA, Hwa J. Platelet-derived TLT-1 promotes tumor progression by suppressing CD8+ T cells. Journal Of Experimental Medicine 2022, 220: e20212218. PMID: 36305874, PMCID: PMC9814191, DOI: 10.1084/jem.20212218.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlood PlateletsCarcinoma, Non-Small-Cell LungCD8-Positive T-LymphocytesLung NeoplasmsMiceReceptors, ImmunologicConceptsCD8 T cellsT cellsTLT-1Non-small cell lung cancer patientsCell lung cancer patientsTREM-like transcript-1Tumor immunosuppressive mechanismsT cell suppressionLung cancer patientsPatient T cellsNF-κB pathwayPatient-derived tumorsDistinct activation phenotypesNSCLC patientsImmunosuppressive mechanismsSyngeneic tumorsHumanized miceImmunoregulatory rolePrognostic significanceImmunocompetent miceCancer patientsCell suppressionActivation phenotypeReduced tumorTumor growthMouse pulmonary interstitial macrophages mediate the pro-tumorigenic effects of IL-9
Fu Y, Pajulas A, Wang J, Zhou B, Cannon A, Cheung CCL, Zhang J, Zhou H, Fisher AJ, Omstead DT, Khan S, Han L, Renauld JC, Paczesny S, Gao H, Liu Y, Yang L, Tighe RM, Licona-Limón P, Flavell RA, Takatsuka S, Kitamura D, Sun J, Bilgicer B, Sears CR, Yang K, Kaplan MH. Mouse pulmonary interstitial macrophages mediate the pro-tumorigenic effects of IL-9. Nature Communications 2022, 13: 3811. PMID: 35778404, PMCID: PMC9249769, DOI: 10.1038/s41467-022-31596-7.Peer-Reviewed Original ResearchConceptsLung tumor growthIL-9Tumor growthAdoptive cell transfer therapyPulmonary interstitial macrophagesPotent anti-tumor activityLung cancer patientsCell transfer therapyLung tumor modelLung cancer therapyMultiple mouse modelsPotential therapeutic targetIL-9 signalingAnti-tumor activityPro-tumorigenic effectsAdoptive transferMacrophage axisPoor outcomePoor prognosisCancer patientsLung cancerArginase-1Interstitial macrophagesIL-9RInterstitial macrophage population