Abstract:Class Switch Recombination (CSR) involves the introduction of double stranded breaks (DSBs) at the switch regions of the immunoglulin heavy chain (Igh) locus by the enzyme Activation Cytidine Deaminse (AID). AID can also act as a general mutator targeting other loci in the genome which can then either be repaired faithfully or in an error-prone fashion introducing mutations and potentially initiating B cell lymphoma. The factors contributing to the choice of repair pathway are not fully understood. Here we tes… Show more
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