Identification of T cell target antigens
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United States of America Patent
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Jun 13, 2017
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Aug 5, 2011
filing date -
Aug 6, 2010
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Abstract
The present invention relates to a method of identifying a target antigen of T cells comprising (a) contacting (aa) cells expressing (i) a functional T cell receptor complex comprising predefined matching T cell receptor α and β chains; and (ii) a read-out system for T cell activation; with (ab) antigen-presenting cells carrying (iii) peptide libraries encoded by randomised nucleic acid sequences; and (iv) MHC molecules recognised by the T cell receptor of (i); (b) assessing T cell activation using said read-out system; (c) isolating antigen-presenting cells that are in contact with the cells in which the read-out system indicates T cell activation; (d) identifying the target antigen or the nucleic acid molecule encoding said target antigen.
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