Single-cell transcriptome analysis of CD8+ T-cell memory inflation [version 1; peer review: 2 approved]

Autor: Andrew J. Highton, Madeleine E. Zinser, Lian Ni Lee, Claire L. Hutchings, Catherine De Lara, Chansavath Phetsouphanh, Chris B. Willberg, Claire L. Gordon, Paul Klenerman, Emanuele Marchi
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Wellcome Open Research, Vol 4 (2019)
Druh dokumentu: article
ISSN: 2398-502X
DOI: 10.12688/wellcomeopenres.15115.1
Popis: Background: Persistent viruses such as murine cytomegalovirus (MCMV) and adenovirus-based vaccines induce strong, sustained CD8+ T-cell responses, described as memory “inflation”. These retain functionality, home to peripheral organs and are associated with a distinct transcriptional program. Methods: To further define the nature of the transcriptional mechanisms underpinning memory inflation at different sites we used single-cell RNA sequencing of tetramer-sorted cells from MCMV-infected mice, analyzing transcriptional networks in virus-specific populations in the spleen and gut intra-epithelial lymphocytes (IEL). Results: We provide a transcriptional map of T-cell memory and define a module of gene expression, which distinguishes memory inflation in spleen from resident memory T-cells (TRM) in the gut. Conclusions: These data indicate that CD8+ T-cell memory in the gut epithelium induced by persistent viruses and vaccines has a distinct quality from both conventional memory and “inflationary” memory which may be relevant to protection against mucosal infections.
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