2014g-077 antigens b-lymphocytes bonemarrowcells burkittlymphoma cd cdantigens celldifferentiation celltransformation congresses cytology differentiation geneexpressionregulation genes genetics immunoglobulingenes immunoglobulins immunologicalaspects immunology laboratorymanuals lymphoma methods mhcclassii neoplasms neoplastic oncogenes physiology physiopathology stemcells tissueengineering tumors wh200w926b2000 wh25 wh525m486121992