Transcriptomics

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Protective heterologous T cell immunity in COVID-19 induced by MMR and Tdap vaccine antigens


ABSTRACT: High correlation was observed between T cell responses to SARS-CoV-2 and MMR and Tdap vaccine proteins in infected and uninfected individuals; the overlapping T cell population contained an effector memory T cell subset previously implicated in protective anti-viral immunity and their activation required APC-derived IL-15, known to sensitize T cells to activation. We were able to detect cross-reactive TCR repertoire in antigen experienced T cells recognizing SARS-CoV-2, MMR and Tdap epitopes using clonotyping and scRNA-seq. Indices of disease severity were reduced in MMR or Tdap vaccinated individuals by 32-38% and 20-23% respectively, among 73.582 COVID-19 positive patients.

ORGANISM(S): Homo sapiens

PROVIDER: GSE181046 | GEO | 2021/08/02

REPOSITORIES: GEO

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