Abstract:
:The discovery of inhibitors of bromodomain and extra terminal domain (BET) has achieved great progress, and at least seven inhibitors have progressed into clinical trials for the treatment of cancer or inflammatory diseases. Here, we describe the identification, optimization, and evaluation of benzo[cd]indol-2(1H)-one containing compounds as a new class of BET bromodomain inhibitors, starting from structure-based virtual screening (SBVS). Through structure-based optimization, potent compounds were obtained with significantly improved activity. The two most potent compounds bind to the BRD4 bromodomain, with Kd values of 124 and 137 nM. Selected compounds exhibited high selectivity over other non-BET subfamily members. Notably, compound 85 demonstrated a reasonable antiproliferation effect on MV4;11 leukemia cells and exhibited a good pharmacokinetic profile with high oral bioavailability (75.8%) and moderate half-life (T1/2 = 3.95 h). The resulting lead molecule 85 represents a new, potent, and selective class of BET bromodomain inhibitors for the development of therapeutics to treat cancer and inflammatory diseases.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Xue X,Zhang Y,Liu Z,Song M,Xing Y,Xiang Q,Wang Z,Tu Z,Zhou Y,Ding K,Xu Ydoi
10.1021/acs.jmedchem.5b01511subject
Has Abstractpub_date
2016-02-25 00:00:00pages
1565-79issue
4eissn
0022-2623issn
1520-4804journal_volume
59pub_type
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