Published in Vaccine Weekly, April 5th, 2006
According to a report from Belgium, "Various new aspects of antigen processing have been uncovered through the study of tumor antigens. One of these is the production of antigenic peptides by splicing of two distinct peptide fragments. In one of the two cases reported, the proteasome was found to be responsible for splicing. The presentation of another peptide on major histocompatibility complex class I molecules was found to depend on secretion and reuptake of the parent protein, implying a cross-presentation pathway in melanoma cells."
"Class II presentation of...
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