Ultra‐sensitive class I tetramer analysis reveals previously undetectable populations of antiviral CD8⁺ T cells

Abstract excerpt

A major breakthrough in cellular immunology has been the development of HLA class I tetramers to analyze CD8(+) T cell responses. However, in many situations, including persistent virus infection, specific T cell responses are rarely detected using this technology. This raises the question of whether such responses are 'deleted' (or 'exhausted') or present below the conventional detection limit for class I...

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