Autophagy in antigen-presenting cells results in presentation of citrullinated peptides to CD4 T cells

Abstract excerpt

Antibody responses to citrullinated self-proteins are found in autoimmunities, particularly in rheumatoid arthritis, where they serve as a diagnostic indicator. We show here that processing of the protein hen egg-white lysozyme (HEL) resulted in citrullination of peptides presented on class II MHC molecules by antigen-presenting cells. The presentation of the citrullinated peptides but not of the unmodified...

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