at concentrations which cause only minor harm to colony forming hematopoietic progenitor cells ( granulocyte-erythroid , monocytic , megakaryocytic colony forming unit , granulocyte-macrophage colony forming unit , macrophage colony forming unit , and granulocyte colony forming unit ) , anti-tac-a alone is able to eliminate greater than 99.99 % of an htlv-i infected t-cell population .
C0018956
hematopoietic progenitor cells
C0007634
cell