期刊
CLINICAL IMMUNOLOGY
卷 255, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.clim.2023.109762
关键词
BNT162b2; COVID-19; SARS-CoV-2; Innate immune response
类别
The mRNA-based BNT162b2 vaccine provides protection against severe disease and mortality caused by SARS-CoV-2 by inducing specific antibody and T-cell responses. The vaccine also modulates innate immune responses and induces long-term changes in immune cells.
The mRNA-based BNT162b2 protects against severe disease and mortality caused by SARS-CoV-2 via induction of specific antibody and T-cell responses. Much less is known about its broad effects on immune responses against other pathogens. Here, we investigated the adaptive immune responses induced by BNT162b2 vaccination against various SARS-CoV-2 variants and its effects on the responsiveness of immune cells upon stimulation with heterologous stimuli. BNT162b2 vaccination induced effective humoral and cellular immunity against SARS-CoV-2 that started to wane after six months. We also observed long-term transcriptional changes in immune cells after vaccination. Additionally, vaccination with BNT162b2 modulated innate immune responses as measured by inflammatory cytokine production after stimulation -higher IL-1/IL-6 release and decreased IFN-alpha production. Altogether, these data expand our knowledge regarding the overall immunological effects of this new class of vaccines and underline the need for additional studies to elucidate their effects on both innate and adaptive immune responses.
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