Abstract
ABSTRACTIntroduction: Inhibition of Bromodomain and Extra Terminal (BET) proteins is an emerging approach for developing advanced cancer therapeutics. In 2015, at least thirty patents have been published for developing cancer chemotherapeutics by targeting BET. Currently there are seven small molecule BET inhibitors in various stages of clinical trials for the development of anti-cancer drugs.Areas covered: Important patents focusing on development of BET inhibitors as potential cancer therapeutics published in 2015 have been covered. The reports are presented together with a review of the related structural chemical space. This review mainly focuses on the therapeutic applications, chemical class and structural modifications along with the molecules currently in clinical trials.Expert opinion: BET sub-family proteins are one of the emerging targets to develop anti-cancer agents. Although many research groups have demonstrated the rationality of BET inhibition to combat cancer, a detailed molecular study needs to be performed to investigate the affected biological pathways. Selectivity among BET proteins should be kept in mind while developing BET inhibitors. In-silico molecular modelling studies can also provide valuable information for designing selective BET inhibitors towards anti-cancer drug discovery and development.
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