2021
A Burned-Out CD8+ T-cell Subset Expands in the Tumor Microenvironment and Curbs Cancer Immunotherapy
Sanmamed MF, Nie X, Desai SS, Villaroel-Espindola F, Badri T, Zhao D, Kim AW, Ji L, Zhang T, Quinlan E, Cheng X, Han X, Vesely MD, Nassar AF, Sun J, Zhang Y, Kim TK, Wang J, Melero I, Herbst RS, Schalper KA, Chen L. A Burned-Out CD8+ T-cell Subset Expands in the Tumor Microenvironment and Curbs Cancer Immunotherapy. Cancer Discovery 2021, 11: 1700-1715. PMID: 33658301, PMCID: PMC9421941, DOI: 10.1158/2159-8290.cd-20-0962.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerTumor-infiltrating lymphocytesExhausted T cellsTIL subsetsTumor microenvironmentCancer immunotherapyT cellsAdvanced non-small cell lung cancerPatient-derived tumor xenograft modelAnti-PD therapyT cell subsetsCell lung cancerPotential tissue biomarkersBaseline tumor tissueLung cancer tissuesSingle-cell mass cytometryTumor xenograft modelApoptotic CD8Dysfunctional CD8Immunotherapy resistancePD-1Activation markersAdjacent nontumoral tissuesPathway-dependent mannerLung cancer
2015
Gut Symbionts from Distinct Hosts Exhibit Genotoxic Activity via Divergent Colibactin Biosynthesis Pathways
Engel P, Vizcaino MI, Crawford JM. Gut Symbionts from Distinct Hosts Exhibit Genotoxic Activity via Divergent Colibactin Biosynthesis Pathways. Applied And Environmental Microbiology 2015, 81: 1502-1512. PMID: 25527542, PMCID: PMC4309719, DOI: 10.1128/aem.03283-14.Peer-Reviewed Original ResearchConceptsNonribosomal peptide synthetaseBiosynthetic pathwayBacterial symbiontsGut symbiontsSecondary metabolitesEukaryotic cellsGenomic islandsBacterial gut symbiontDiverse symbiotic associationsDivergent variantsDNA damagePolyketide synthase pathwayE. coliComparative metabolomic analysisRelated secondary metabolitesPathway-dependent mannerSymbiotic associationGene clusterMicrobial interactionsBiosynthesis pathwayDistinct hostsPeptide synthetaseMammalian gutHoney beesSymbionts
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