Immunoribosomes: Where’s there’s fire, there’s fire
2019
Wei, Jiajie | Yewdell, Jonathan W.
The MHC class I antigen presentation pathway enables T cell immunosurveillance of cancer cells, viruses and other intracellular pathogens. Rapidly degraded newly synthesized proteins (DRiPs) are a major source of self-, and particularly, viral antigenic peptides. A number of findings support the idea that a substantial fraction of antigenic peptides are synthesized by “immunoribosomes”, a subset of translating ribosomes that generate class I peptides with enhanced efficiency. Here, we review the evidence for the immunoribosome hypothesis.
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