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    Cell. 2002 Apr;109 Suppl:S21-33.

    Genetic control of MHC class II expression.

    Source

    Department of Microbiology and Immunology and The Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA. panyun@med.unc.edu

    Abstract

    The presentation of peptides to T cells by MHC class II molecules is of critical importance in specific recognition by the immune system. Expression of class II molecules is exquisitely controlled at the transcriptional level. A large set of proteins interact with the promoters of class II genes. The most important of these is CIITA, a master controller that orchestrates expression but does not bind directly to the promoter. The transcriptosome complex formed at class II promoters is a model for induction of gene expression.

    PMID:
    11983150
    [PubMed - indexed for MEDLINE]

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