Combinatorial HLA-peptide bead libraries for high throughput identification of CD8⁺ T cell specificity.
Comprehensive antigenic characterization of a T cell population of unknown specificity is challenging. Existing MHC class I expression systems are limited by the practical difficulty of probing cell populations with an MHC class I peptide library and the cross-reactivity of T cells that are able to recognise many variants of an index peptide. Using emulsion PCR and emulsion in vitro transcription/translation of a random library of peptides conjugated to CD8-null HLA-A*0201 on beads, we probed...Expand abstract
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