Mechanistic diversity in MHC class I antigen recognition
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Throughout its evolution, the human immune system has developed a plethora of strategies to diversify the antigenic peptide sequences that can be targeted by the CD8+ T cell response against pathogens and aberrations of self. Here we provide a general overview of the mechanisms that lead to the diversity of antigens presented by MHC class I complexes and their recognition by CD8+ T cells, together with a more detailed analysis of recent progress in two important areas that are highly controversial: the prevalence and immunological relevance of unconventional antigen peptides; and cross-recognition of antigenic peptides by the T cell receptors of CD8+ T cells.
Journal details
Journal Biochemical Journal
Volume 478
Issue number 24
Pages 4187-4202
Available online
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Publisher website (DOI) 10.1042/BCJ20200910
Europe PubMed Central 34940832
Pubmed 34940832
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