Article
Identification of core DNA elements that target somatic hypermutation.
Journal of immunology (Baltimore, Md. : 1950) - 1 Dec 2012
Kohler Kristin M, McDonald Jessica J, Duke Jamie L, Arakawa Hiroshi, Tan Sally, Kleinstein Steven H, Buerstedde Jean-Marie, Schatz David G
Abstract excerpt
Somatic hypermutation (SHM) diversifies the V region of Ig genes and underlies the process of affinity maturation, in which B lymphocytes producing high-affinity Abs are generated and selected. SHM is triggered in activated B cells by deamination of deoxycytosine residues mediated by activation-induced deaminase (AID). Whereas mistargeting of SHM and AID results in mutations and DNA damage in many non-Ig genes,...
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