2025
Impact of memory T cells on SARS-CoV-2 vaccine response in hematopoietic stem cell transplant
VanOudenhove J, Liu Y, Nelakanti R, Kim D, Busarello E, Ovalle N, Qi Z, Mamillapalli P, Siddon A, Bai Z, Axtmayer A, Corso C, Kothari S, Foss F, Isufi I, Tebaldi T, Gowda L, Fan R, Seropian S, Halene S. Impact of memory T cells on SARS-CoV-2 vaccine response in hematopoietic stem cell transplant. PLOS ONE 2025, 20: e0320744. PMID: 40294012, PMCID: PMC12036906, DOI: 10.1371/journal.pone.0320744.Peer-Reviewed Original ResearchConceptsHematopoietic stem cell transplantationMemory T cellsStem cell transplantationCell transplantationT cellsSARS-CoV-2Hematopoietic stem cell transplant recipientsAntigen-specific T-cell activationSARS-CoV-2 mRNA vaccinesSARS-CoV-2 vaccine responsesSevere diseaseAnti-spike IgGT cell activationAdaptive immune responsesRobust antibody responsesPost-vaccination responseSARS-CoV-2 infectionMRNA vaccine seriesSingle-cell RNAMyeloablative chemotherapyCellular responsesImmune profileVaccine responseCOVID-19 infectionMRNA vaccines
2023
Prior cycles of anti-CD20 antibodies affect antibody responses after repeated SARS-CoV-2 mRNA vaccination
Asashima H, Kim D, Wang K, Lele N, Buitrago-Pocasangre N, Lutz R, Cruz I, Raddassi K, Ruff W, Racke M, Wilson J, Givens T, Grifoni A, Weiskopf D, Sette A, Kleinstein S, Montgomery R, Shaw A, Li F, Fan R, Hafler D, Tomayko M, Longbrake E. Prior cycles of anti-CD20 antibodies affect antibody responses after repeated SARS-CoV-2 mRNA vaccination. JCI Insight 2023, 8: e168102. PMID: 37606046, PMCID: PMC10543713, DOI: 10.1172/jci.insight.168102.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 mRNA vaccinationB-cell-depleted patientsB-cell depletionAntibody responseMRNA vaccinationThird doseCell depletionT cellsClaude D. Pepper Older Americans Independence CenterB cellsNational Multiple Sclerosis SocietyAnti-CD20 antibodySpike-specific antibodiesMultiple Sclerosis SocietyLow cumulative exposureLogistic regression modelsImportant clinical needCD20 therapyCD20 treatmentMost patientsThird vaccineSerologic responseVaccine dosesMRNA vaccinesVaccination strategies
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