Structure-guided design of potent diazobenzene inhibitors for the BET bromodomains.
Structure-guided design of potent diazobenzene inhibitors for the BET bromodomains.
复制标题
DOI:
10.1021/jm401334s
复制
发表时间:
2013-11-27
影响因子:
7.3
通讯作者:
Zhou MM
中科院分区:
文献类型:
--
作者:
Zhang G;Plotnikov AN;Rusinova E;Shen T;Morohashi K;Joshua J;Zeng L;Mujtaba S;Ohlmeyer M;Zhou MM
BRD4, characterized by two acetyl-lysine binding bromodomains and an extra-terminal (ET) domain, is a key chromatin organizer that directs gene activation in chromatin through transcription factor recruitment, enhancer assembly, and pause release of the RNA polymerase II complex for transcription elongation. BRD4 has been recently validated as a new epigenetic drug target for cancer and inflammation. Our current knowledge of the functional differences of the two bromodomains of BRD4, however, is limited, hindered by the lack of selective inhibitors. Here, we report our structure-guided development of diazobenzene-based small molecule inhibitors for the BRD4 bromodomains that have over 90% sequence identity at the acetyl-lysine binding site. Our lead compound MS436, through a set of water-mediated interactions, exhibits low nanomolar affinity (estimated Ki of 30–50 nM) with preference for the first bromodomain over the second. We demonstrated that MS436 effectively inhibits BRD4 activity in NF-κB-directed production of nitric oxide and pro-inflammatory cytokine interleukin-6 in murine macrophages. MS436 represents a new class of bromodomain inhibitors and will facilitate further investigation of the biological functions of the two bromodomains of BRD4 in gene expression.
登录
查看更多内容
影响因子:
64.8
作者:
通讯作者:
--
影响因子:
7.3
作者:
Hewings, David S.;Fedorov, Oleg;Filippakopoulos, Panagis;Martin, Sarah;Picaud, Sarah;Tumber, Anthony;Wells, Christopher;Olcina, Monica M.;Freeman, Katherine;Gill, Andrew;Ritchie, Alison J.;Sheppard, David W.;Russell, Angela J.;Hammond, Ester M.;Knapp, Stefan;Brennan, Paul E.;Conway, Stuart J.
通讯作者:
Conway, Stuart J.
DOI:
10.1107/s0907444904019158
发表时间:
2004-12-01
影响因子:
2.2
作者:
Emsley, P;Cowtan, K
通讯作者:
Cowtan, K
影响因子:
--
作者:
Borah JC;Mujtaba S;Karakikes I;Zeng L;Muller M;Patel J;Moshkina N;Morohashi K;Zhang W;Gerona-Navarro G;Hajjar RJ;Zhou MM
通讯作者:
Zhou MM
影响因子:
7.3
作者:
Bamborough, Paul;Diallo, Hawa;Chung, Chun-wa
通讯作者:
Chung, Chun-wa