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  • Title: Mechanisms of MHC class I-restricted antigen processing and cross-presentation.
    Author: Cresswell P, Ackerman AL, Giodini A, Peaper DR, Wearsch PA.
    Journal: Immunol Rev; 2005 Oct; 207():145-57. PubMed ID: 16181333.
    Abstract:
    In this review, we discuss recent data from our laboratory that address two aspects of major histocompatibility complex (MHC) class I-restricted antigen processing. First, we consider the nature of the peptide-loading complex, which is the assembly of proteins in the endoplasmic reticulum (ER) into which newly synthesized MHC class I-beta(2) microglobulin (beta(2)m) heterodimers are incorporated, and the mechanisms involved in MHC class I assembly and peptide loading that are facilitated by the peptide-loading complex. Second, we discuss mechanisms of cross-presentation, the phenomenon whereby extracellular and luminal protein antigens can be processed by antigen-presenting cells, particularly dendritic cells, and presented by MHC class I molecules to CD8(+) T cells. The focus of the discussion is mainly on the human MHC class I system.
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