HSP90AA1 and lymphoma: The antiproliferative effect of the combination of doxorubicin and GUT-70 was consistent with the previous findings for doxorubicin and Hsp-90 inhibitor 17-(dimethylaminoethylamino)-17-demethoxygeldamanycin (DMAG), which induced premature mitosis, followed by apoptosis, by bypassing the G2/M checkpoint in lymphoma cells (Robles et al, 2006).