the monoclonal antibody ki-67 , directed against a nuclear antigen expressed by dividing cells in all the phases of cell cycle except g0 and early g1 , was used in combination with an anti-brdu monoclonal antibody , reacting selectively with cells in s-phase , for assessing the percentage of proliferating cells in bone marrow and peripheral blood samples from patients with lymphoma , leukaemia and multiple myeloma .
C1516337
phases
C0007634
the