Perturbing pro-survival proteins using quinoxaline derivatives: a structure-activity relationship study.

Perturbing pro-survival proteins using quinoxaline derivatives: a structure-activity relationship study.
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DOI:
10.1016/j.bmc.2012.02.022
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发表时间:
2012-04-01
影响因子:
3.5
通讯作者:
Natarajan, Amarnath
Natarajan, Amarnath
中科院分区:
医学3区
文献类型:
--
作者:
Rajule, Rajkumar;Bryant, Vashti C.;Lopez, Hernando;Luo, Xu;Natarajan, Amarnath

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In HeLa cells the combinatorial knockdown of Bcl-xL and Mcl-1 is sufficient to induce spontaneous apoptosis. Quinoxaline derivatives were screened for the induction of Mcl-1 dependent apoptosis using a cell line without functional Bcl-xL. Quinoxaline urea analog 1h was able to specifically induce apoptosis in an Mcl-1 dependent manner. We demonstrate that even small changes to 1h results in dramatic los of activity. In addition, 1h and ABT-737 synergistically inhibit cell growth and induce apoptosis. Our results also suggest that 1h could have therapeutic potential against ABT-737 refractory cancer.
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