2024
A Noncanonical CD56dimCD16dim/- NK Cell Subset Indicative of Prior Cytotoxic Activity Is Elevated in Patients with Autoantibody-Mediated Neurologic Diseases.
Yandamuri S, Filipek B, Lele N, Cohen I, Bennett J, Nowak R, Sotirchos E, Longbrake E, Mace E, O'Connor K. A Noncanonical CD56dimCD16dim/- NK Cell Subset Indicative of Prior Cytotoxic Activity Is Elevated in Patients with Autoantibody-Mediated Neurologic Diseases. The Journal Of Immunology 2024, 212: 785-800. PMID: 38251887, PMCID: PMC10932911, DOI: 10.4049/jimmunol.2300015.Peer-Reviewed Original ResearchConceptsNeuromyelitis optica spectrum disorderAb-dependent cellular cytotoxicityNK cellsMyasthenia gravisMG patientsInduced Ab-dependent cellular cytotoxicityNK cell-mediated effector functionsPeripheral blood immune cell populationsCell-mediated effector functionsNeuromyelitis optica spectrum disorder patientsBlood immune cell populationsAb-dependent cellular cytotoxicity activityNK marker CD56NK cell markersHLA-DR expressionNK cell subsetsExpression of perforinImmune cell populationsAutoimmune myasthenia gravisElevated disease burdenHLA-DRCell subsetsCellular cytotoxicityChemokine receptorsMultiparameter immunophenotyping
2023
MOGAD patient autoantibodies induce complement, phagocytosis, and cellular cytotoxicity
Yandamuri S, Filipek B, Obaid A, Lele N, Thurman J, Makhani N, Nowak R, Guo Y, Lucchinetti C, Flanagan E, Longbrake E, O’Connor K. MOGAD patient autoantibodies induce complement, phagocytosis, and cellular cytotoxicity. JCI Insight 2023, 8: e165373. PMID: 37097758, PMCID: PMC10393237, DOI: 10.1172/jci.insight.165373.Peer-Reviewed Original ResearchConceptsMyelin oligodendrocyte glycoprotein antibody-associated diseaseAntibody-dependent cellular phagocytosisAntibody-dependent cellular cytotoxicityComplement-dependent cytotoxicityMOG autoantibodiesPatient seraCellular cytotoxicityEffector functionsComplement activityAntibody-associated diseaseMultiple mechanismsNK cellsPatient autoantibodiesCytotoxic capacityLesion histologyCellular phagocytosisFuture relapseIgG subclassesCerebrospinal fluidAutoantibodiesCNS conditionsMOGSerumRelapseCytotoxicity
2020
High-throughput investigation of molecular and cellular biomarkers in NMOSD
Yandamuri SS, Jiang R, Sharma A, Cotzomi E, Zografou C, Ma AK, Alvey JS, Cook LJ, Smith TJ, Yeaman MR, O'Connor KC. High-throughput investigation of molecular and cellular biomarkers in NMOSD. Neurology Neuroimmunology & Neuroinflammation 2020, 7: e852. PMID: 32753407, PMCID: PMC7413712, DOI: 10.1212/nxi.0000000000000852.Peer-Reviewed Original ResearchConceptsNeuromyelitis optica spectrum disorderPeripheral blood mononuclear cellsHealthy controlsNK cellsCell subsetsT cellsUnstimulated peripheral blood mononuclear cellsB-cell activating factorDendritic cell subsetsOptica spectrum disorderRegulatory T cellsNatural killer cellsImmune cell subsetsMultivariable logistic regressionBlood mononuclear cellsSerum analyte levelsMultivariable linear regressionMultivariable regression modelsNovel biomarker candidatesCX3CL1 levelsNMOSD cohortSerum cytokinesDisease relapseKiller cellsSerum cohort