Drake Fh

Mitoxantrone resistance in HL-60 leukemia cells: reduced nuclear topoisomerase II catalytic activity and drug-induced DNA cleavage in association with reduced expression of the topoisomerase II beta isoform.

Harker Wg, Slade Dl, Parr Rl, 1991 .

Proliferation- and cell cycle-dependent differences in expression of the 170 kilodalton and 180 kilodalton forms of topoisomerase II in NIH-3T3 cells.

M. Mattern, C. Mirabelli, R. Johnson, 1991, Cell growth & differentiation : the molecular biology journal of the American Association for Cancer Research.