Misfolded proteins complexed with MHC class II molecules are targets for autoantibodies.

Abstract excerpt

Major histocompatibility complex (MHC) molecule is important for immune system through its function of presentation of peptide antigens. MHC is the gene most strongly associated with susceptibility to many autoimmune diseases. We recently found a novel function of MHC class II molecules to transport cellular misfolded proteins to the cell surface without processing to peptides. Interestingly, misfolded proteins...

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