Spatially resolved proteomic profiling identifies tumor cell CD44 as a biomarker associated with sensitivity to PD-1 axis blockade in advanced non-small-cell lung cancer
Moutafi MK, Molero M, Morilla S, Baena J, Vathiotis IA, Gavrielatou N, Castro-Labrador L, de Garibay GR, Adradas V, Orive D, Valencia K, Calvo A, Montuenga LM, Aix S, Schalper KA, Herbst RS, Paz-Ares L, Rimm DL, Zugazagoitia J. Spatially resolved proteomic profiling identifies tumor cell CD44 as a biomarker associated with sensitivity to PD-1 axis blockade in advanced non-small-cell lung cancer. Journal For ImmunoTherapy Of Cancer 2022, 10: e004757. PMID: 36002182, PMCID: PMC9413286, DOI: 10.1136/jitc-2022-004757.Peer-Reviewed Original ResearchConceptsProgression-free survivalPD-1 axis blockadePD-1 axis inhibitorsTumor proportion scoreCell lung cancerAxis blockadeQuantitative immunofluorescenceAxis inhibitionLung cancerCD44 levelsCD44 expressionTumor compartmentsLonger progression-free survivalAbsence of immunotherapyYale Cancer CenterWhole tissue sectionsQIF scoresExternal independent validationMost patientsOverall survivalTim-3Immune compartmentImmunotherapy strategiesPD-L1Untreated cohort