The bio-logical role of invariant chain (Ii) in MHC class II antigen presentation
- PMID: 7737689
- DOI: 10.1016/0165-2478(94)00159-6
The bio-logical role of invariant chain (Ii) in MHC class II antigen presentation
Abstract
Foreign antigens are internalized by antigen presenting cells by endocytosis and processed to peptides. To enable presentation of antigenic peptides by MHC class II molecules, these molecules have to be sorted to endosomal compartments where they can meet and bind the peptides. Invariant chain is complexed with MHC class II molecules and contains sorting signals responsible for MHC class II accumulation in endosomes. Invariant chain also has several other features contributing to the immune system's specific combat against invaders.
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