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Cell. 2009 Aug 7;138(3):435-48. doi: 10.1016/j.cell.2009.07.016.

Chromatin architecture and the generation of antigen receptor diversity.

Author information

  • 1Division of Biological Sciences, Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92093, USA.

Abstract

The adaptive immune system generates a specific response to a vast spectrum of antigens. This remarkable property is achieved by lymphocytes that each express single and unique antigen receptors. During lymphocyte development, antigen receptor coding elements are assembled from widely dispersed gene segments. The assembly of antigen receptors is controlled at multiple levels, including epigenetic marking, nuclear location, and chromatin topology. Here, we review recently uncovered mechanisms that underpin long-range genomic interactions and the generation of antigen receptor diversity.

PMID:
19665968
[PubMed - indexed for MEDLINE]
PMCID:
PMC2726833
Free PMC Article
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