| Health / Medical Topics |
Generation of Antibody Diversity
Generation of Antibody Diversity during B-lymphocyte development results from a cascade of temporally ordered random gene shuffling translocations by a recombinase that join any one of multiple alternative discrete V, D, and J (heavy chain) or V and J (light chain) antibody gene variable region DNA coding segments that produce in each B-lymphocyte an antibody with a unique antigen binding region composed of a heavy and a light protein chain. In addition, splicing inaccuracies or insertion of additional nucleotides at the segment junctions generate further junctional diversity and somatic hypermutation of V regions, as B-lymphocytes proliferate, create better fitting antigen-binding sites. (NCI Thesaurus)
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