2025
SARS-CoV-2 induced immune perturbations in infants vary with disease severity and differ from adults’ responses
Nehar-Belaid D, Mejías A, Xu Z, Marches R, Yerrabelli R, Chen G, Mertz S, Ye F, Sánchez P, Tsang J, Aydillo T, Miorin L, Cupic A, García-Sastre A, Ucar D, Banchereau J, Pascual V, Ramilo O. SARS-CoV-2 induced immune perturbations in infants vary with disease severity and differ from adults’ responses. Nature Communications 2025, 16: 4562. PMID: 40379618, PMCID: PMC12084365, DOI: 10.1038/s41467-025-59411-z.Peer-Reviewed Original ResearchConceptsResponse to SARS-CoV-2Infected infantsT cellsSARS-CoV-2B cellsCytotoxic CD8+ T cellsImmune profile of childrenISG signatureNaive CD4+ T cellsCD8+ T cellsCD4+ T cellsImmune response to SARS-CoV-2Anti-IFN autoantibodiesAntibody response to SARS-CoV-2Transitional B cellsEarly life immunityCD14+ monocytesIncreased serum concentrationsInflammasome-related moleculesInterferon-stimulated genesImmune profileImmune perturbationsSerum concentrationsInflammatory cytokinesImmune response
2024
Circulating tumor-reactive KIR+CD8+ T cells suppress anti-tumor immunity in patients with melanoma
Lu B, Lucca L, Lewis W, Wang J, Nogueira C, Heer S, Rayon-Estrada V, Axisa P, Reeves S, Buitrago-Pocasangre N, Pham G, Kojima M, Wei W, Aizenbud L, Bacchiocchi A, Zhang L, Walewski J, Chiang V, Olino K, Clune J, Halaban R, Kluger Y, Coyle A, Kisielow J, Obermair F, Kluger H, Hafler D. Circulating tumor-reactive KIR+CD8+ T cells suppress anti-tumor immunity in patients with melanoma. Nature Immunology 2024, 26: 82-91. PMID: 39609626, DOI: 10.1038/s41590-024-02023-4.Peer-Reviewed Original ResearchCD8+ T cellsAnti-tumor immunityRegulatory T cellsT cellsSubpopulation of CD8+ T cellsCytotoxic CD8+ T cellsHuman CD8+ T cellsTumor antigen-specific CD8Impaired anti-tumor immunityTumor antigen-specificPoor overall survivalTumor rejectionKIR expressionOverall survivalTumor antigensImmune evasionCellular mediatorsHuman cancersCD8MelanomaTumorTranscriptional programsFunctional heterogeneityImmunityPatients
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