Human Monocytes Exposed to SARS-CoV-2 Display Features of Innate Immune Memory Producing High Levels of CXCL10 upon Restimulation
Cvetković, Jelena
Jacobi, Ronald H.J.
Miranda-Bedate, Alberto
Pham, Nhung
Kutmon, Martina
Groot, James
van de Garde, Martijn D.B.
Pinelli, Elena
ABSTRACT Introduction: A role for innate immune memory in protection during COVID-19 infection or vaccination has been recently reported. However, no study so far has shown whether the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can train innate immune cells. The aim of this study was to investigate whether this virus can induce trained immunity in human monocytes. Methods: Monocytes were exposed to inactivated SARS-CoV-2 (iSARS-CoV-2) for 24 h, followed by a resting period in the medium only and a secondary stimulation on day 6 after which the cytokine/chemokine and transcriptomic profiles were determined.
engleski
2023
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Trained immunity, Severe acute respiratory syndrome coronavirus 2, CXCL10, Monocytes