Dex acted directly on erythroid progenitors and maintained the colony-forming capacity of the progenitor cells expanded in liquid cultures .
dex acted directly on erythroid progenitors and maintained the colony-forming capacity of the progenitor cells expanded in liquid cultures .
B-lipid O O O B-cell_type I-cell_type O O O O O O O B-cell_type I-cell_type O O B-cell_line I-cell_line O