most cll cases correspond to proliferation of a b-cell clone characterized by ( 1 ) low amounts of smig , ( 2 ) the presence of receptors for mouse red blood cells , ( 3 ) the presence of a 67-kd antigenic determinant recognized by cd5 monoclonal antibodies , also present in normal t cells , ( 4 ) the ability of these cells to differentiate in vitro , and ( 5 ) the ability at least for some clones to differentiate and secrete immunoglobulins in vivo .
C1155008
proliferation
C0007634
the