HSP90B1 and ovarian carcinoma: Recently, Qin and colleagues showed that CDDO-Me can directly bind to Hsp90 – a cytoplasmic paralog of Grp94, displaying high homology with it [90], and effectively inhibiting its activity (1.25-5 μM; HO8910/SKOV3 ovarian cancer cells (3-24 h)) [98].