Article
The germinal center: a crucible for lymphocyte selection.
Seminars in immunology - 1 Jun 1996
Kelsoe G
Abstract excerpt
Antigen first activates T and B lymphocytes in the T-cell areas of secondary lymphoid tissues where cognate- and costimulus-dependent proliferation expands the population of reactive lymphocytes. Selected T- and B-cell progeny from this population migrate into B-cell zones to form germinal centers (GC), where intense proliferation, apoptosis, and V(D)J hypermutation takes place. It is now known that each of these...
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