Antibody Repertoires Generated by VH Replacement and Direct VH to JH Joining
نویسندگان
چکیده
منابع مشابه
VH gene replacement in thymocytes.
The quasi-monoclonal (QM) mouse has a functionally rearranged H chain gene inserted into its natural position in the IgH locus. In this position, the H chain gene is subject to many of the same activities as normally arranged H chain genes, including somatic hypermutation, V(H) gene replacement, and class switch recombination. Here, we have used this mouse strain to determine some of the rules ...
متن کاملContribution of VH Replacement Products in Mouse Antibody Repertoire
VH replacement occurs through RAG-mediated recombination between the cryptic recombination signal sequence (cRSS) near the 3' end of a rearranged VH gene and the 23-bp RSS from an upstream unrearranged VH gene. Due to the location of the cRSS, VH replacement leaves a short stretch of nucleotides from the previously rearranged VH gene at the newly formed V-D junction, which can be used as a mark...
متن کاملDirect in vivo VH to JH rearrangement violating the 12/23 rule
V(D)J recombination at the immunoglobulin heavy chain (IgH) locus follows the 12/23 rule to ensure the correct assembly of the variable region gene segments. Here, we report characterization of an in vivo model that allowed us to study recombination violating the 12/23 rule, namely a mouse strain lacking canonical D elements in its IgH locus. We demonstrate that VH to JH joining can support the...
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متن کاملTrials and Tribulations with VH Replacement
VH replacement (VHR) is a type of antibody gene rearrangement in which an upstream heavy chain variable gene segment (VH) invades a pre-existing rearrangement (VDJ). In this Hypothesis and Theory article, we begin by reviewing the mechanism of VHR, its developmental timing and its potential biological consequences. Then we explore the hypothesis that specific sequence motifs called footprints r...
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ژورنال
عنوان ژورنال: Immunity
سال: 2006
ISSN: 1074-7613
DOI: 10.1016/j.immuni.2006.04.016