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A single-cell atlas of lymphocyte adaptive immune repertoires and transcriptomes reveals age-related differences in convalescent COVID-19 patients
Florian Bieberich; Rodrigo Vazquez-Lombardi; Alexander Yermanos; Roy A Ehling; Derek M Mason; Bastian Wagner; Edo Kapetanovic; Raphael Brisset Di Roberto; Cedric R Weber; Miodrag Savic; Fabian Rudolf; Sai T Reddy.
Afiliación
  • Florian Bieberich; ETH Zurich
  • Rodrigo Vazquez-Lombardi; ETH Zurich
  • Alexander Yermanos; ETH Zurich
  • Roy A Ehling; ETH Zurich
  • Derek M Mason; ETH Zurich
  • Bastian Wagner; ETH Zurich
  • Edo Kapetanovic; ETH Zurich
  • Raphael Brisset Di Roberto; ETH Zurich
  • Cedric R Weber; ETH Zurich
  • Miodrag Savic; University of Basel
  • Fabian Rudolf; ETH Zurich
  • Sai T Reddy; ETH Zurich
Preprint en En | PREPRINT-BIORXIV | ID: ppbiorxiv-430907
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ABSTRACT
COVID-19 disease outcome is highly dependent on adaptive immunity from T and B lymphocytes, which play a critical role in the control, clearance and long-term protection against SARS-CoV-2. To date, there is limited knowledge on the composition of the T and B cell immune receptor repertoires [T cell receptors (TCRs) and B cell receptors (BCRs)] and transcriptomes in convalescent COVID-19 patients of different age groups. Here, we utilize single-cell sequencing (scSeq) of lymphocyte immune repertoires and transcriptomes to quantitatively profile the adaptive immune response in COVID-19 patients of varying age. We discovered highly expanded T and B cells in multiple patients, with the most expanded clonotypes coming from the effector CD8+ T cell population. Highly expanded CD8+ and CD4+ T cell clones show elevated markers of cytotoxicity (CD8 PRF1, GZMH, GNLY; CD4 GZMA), whereas clonally expanded B cells show markers of transition into the plasma cell state and activation across patients. By comparing young and old convalescent COVID-19 patients (mean ages = 31 and 66.8 years, respectively), we found that clonally expanded B cells in young patients were predominantly of the IgA isotype and their BCRs had incurred higher levels of somatic hypermutation than elderly patients. In conclusion, our scSeq analysis defines the adaptive immune repertoire and transcriptome in convalescent COVID-19 patients and shows important age-related differences implicated in immunity against SARS-CoV-2.
Licencia
cc_by_nc
Texto completo: 1 Colección: 09-preprints Base de datos: PREPRINT-BIORXIV Tipo de estudio: Experimental_studies / Prognostic_studies / Rct Idioma: En Año: 2021 Tipo del documento: Preprint
Texto completo: 1 Colección: 09-preprints Base de datos: PREPRINT-BIORXIV Tipo de estudio: Experimental_studies / Prognostic_studies / Rct Idioma: En Año: 2021 Tipo del documento: Preprint