SARS-CoV-2 escapes CD8 T cell surveillance via mutations in MHC-I restricted epitopes [10x]

Study ID Alternative Stable ID Type
EGAS00001005060 Other

Study Description

CD8+ T cell immunity to SARS-CoV-2 has been implicated in COVID-19 severity and virus control. Here, we identified non-synonymous mutations in MHC-I restricted CD8+ T cell epitopes after deep sequencing of 747 SARS-CoV-2 virus isolates. Mutant peptides exhibited diminished or abrogated MHC-I binding, which was associated with a loss of recognition and functional responses by CD8+ T cells isolated from HLA-matched COVID-19 patients. Our findings highlight the capacity of SARS-CoV-2 to subvert CD8+ T cell surveillance through sporadically emerging escape mutations in MHC- I restricted viral epitopes.

Study Datasets 2 datasets.

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Dataset ID Description Technology Samples
The data contains single-cell gene sequencing data (10x Genomics) from FACS-purified CD8 T lymphocytes from two Austrian patients. The cells were stimulated with one MHC class I peptides obtained from a common (wild type) variant and an emerging mutant variant of the SARS-Cov-2 virus. Then the samples were multiplexed using hashtag oligos. We provide the raw and aligned sequence data for: i. The single-cell experiments ii. The PCR-amplified samples for enrichment of the hashtag oligo ... (Show More)
Illumina NovaSeq 6000 2
Full information about the T cell receptor (CR) variable regions found in the sequences of the vdj region. Columns: barcode is_cell contig_id high_confidence length chain v_gene d_gene j_gene c_gene full_length productive cdr3 cdr3_nt reads umis raw_clonotype_id raw_consensus_id

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