OTUB1 and ovarian cancer: Study has discovered that knocking down the deubiquitination enzyme OTUB1 can alleviate myocardial fibrosis and myocardial atrophy by inhibiting doxorubicin (DOX) in the treatment of ovarian cancer-induced cardiomyocyte apoptosis, inflammation, and oxidative stress, as well as prevent DOX-induced cardiovascular dysfunction in mice.