2023
High Interobserver Variability Among Pathologists Using Combined Positive Score to Evaluate PD-L1 Expression in Gastric, Gastroesophageal Junction, and Esophageal Adenocarcinoma
Robert M, Rüschoff J, Jasani B, Graham R, Badve S, Rodriguez-Justo M, Kodach L, Srivastava A, Wang H, Tang L, Troncone G, Rojo F, Van Treeck B, Pratt J, Shnitsa I, Kumar G, Karasarides M, Anders R. High Interobserver Variability Among Pathologists Using Combined Positive Score to Evaluate PD-L1 Expression in Gastric, Gastroesophageal Junction, and Esophageal Adenocarcinoma. Modern Pathology 2023, 36: 100154. PMID: 36925069, DOI: 10.1016/j.modpat.2023.100154.Peer-Reviewed Original ResearchConceptsCombined positive scorePD-L1 expressionCheckpoint inhibitor therapyPD-L1Tumor cellsImmune cellsIntraclass correlation coefficientInhibitor therapyInterpretation of PD-L1 expressionPD-L1 combined positive scoreInterobserver variabilityBiopsy samplesEvaluate PD-L1 expressionImmune checkpoint inhibitor therapyInterpathologist agreementProgrammed death-ligand 1PD-L1 immunohistochemistryDeath-ligand 1Variable intensity of stainingIntensity of stainingPositive scoresRetrospective histologic reviewPretreatment biopsiesTumor stainingHistologic review
2022
Immune cells and their inflammatory mediators modify beta cells and cause checkpoint inhibitor-induced diabetes
Perdigoto AL, Deng S, Du KC, Kuchroo M, Burkhardt DB, Tong A, Israel G, Robert ME, Weisberg SP, Kirkiles-Smith N, Stamatouli AM, Kluger HM, Quandt Z, Young A, Yang ML, Mamula MJ, Pober JS, Anderson MS, Krishnaswamy S, Herold KC. Immune cells and their inflammatory mediators modify beta cells and cause checkpoint inhibitor-induced diabetes. JCI Insight 2022, 7: e156330. PMID: 35925682, PMCID: PMC9536276, DOI: 10.1172/jci.insight.156330.Peer-Reviewed Original ResearchConceptsCheckpoint inhibitorsΒ-cellsPD-1/PD-L1 pathwayT-lymphocyte antigen-4PD-1 blockadePD-L1 pathwayDeath ligand 1NOD mouse modelDevelopment of diabetesHuman β-cellsAutoimmune complicationsNOD miceΒ-cell populationDeath-1Diabetes mellitusImmune infiltratesInflammatory mediatorsPancreatic inflammationPD-L1Induced diabetesLymphocytic infiltrationInflammatory cytokinesAntigen-4Immune cellsT cells