Generation of reactive oxygen species is the primary mode of action and cause of survivin suppression by sepantronium bromide (YM155).

ABSTRACT: Survivin is a lucrative broad-spectrum drug target for different cancer types, including triple negative breast cancer (TNBC). Sepantronium bromide (YM155) is the first of its class of survivin suppressants and was found to be quite effective in pre-clinical models of TNBC. However, in clinical trials when given in combination with docetaxel, YM55 failed to provide any added advantage. To understand if the clinical outcome is due to YM155 being ineffective or due to an inappropriate choice of combination, we need to elucidate its true mode of action. Hence, to explain the unexpected and unexplained observations pertaining to YM155 biology and its mode of action, we developed isogenic pairs of YM155-sensitive and -resistant TNBC cell lines and characterized them in detail by various biochem

SUBMITTER: Wani TH 

PROVIDER: S-EPMC8128069 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature