Antigen identified by monoclonal antibody Ki 67, Antigen KI67, KIA, Ki67, MKI67, Proliferation related Ki 67 antigen, Antigen KI-67, KI67_HUMAN.
Ki67 antigen is the prototypic cell cycle related nuclear protein, expressed by proliferating cells in all phases of the active cell cycle (G1, S, G2 and M phase). It is absent in resting (G0) cells. Ki67