A class of allosteric caspase inhibitors identified by high-throughput screening.
A class of allosteric caspase inhibitors identified by high-throughput screening.
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DOI:
10.1016/j.molcel.2012.06.007
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发表时间:
2012-08-24
期刊:
影响因子:
16
通讯作者:
Jiang, Xuejun
中科院分区:
文献类型:
--
作者:
Feldman, Taya;Kabaleeswaran, Venkataraman;Jang, Se Bok;Antczak, Christophe;Djaballah, Hakim;Wu, Hao;Jiang, Xuejun
Caspase inhibition is a promising approach for treating multiple diseases. Using a reconstituted assay and high-throughput screening, we identified a group of non-peptide caspase inhibitors. These inhibitors share common chemical scaffolds, suggesting same mechanism of action. They can inhibit apoptosis in various cell types induced by multiple stimuli; they can also inhibit caspase-1-mediated interleukin generation in macrophages, indicating potential anti-inflammatory application. While these compounds inhibit all the tested caspases, kinetic analysis indicates they do not compete for the catalytic sites of the enzymes. The co-crystal structure of one of these compounds with caspase-7 reveals that it binds to the dimerization interface of the caspase, another common structural element shared by all active caspases. Consistently, biochemical analysis demonstrates that the compound abates caspase-8 dimerization. Based on these kinetic, biochemical, and structural analyses, we suggest that these compounds are allosteric caspase inhibitors that function through binding to the dimerization interface of caspases.
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影响因子:
4.8
作者:
Jiang, XJ;Wang, XD
通讯作者:
Wang, XD
影响因子:
64.8
作者:
Oberst, Andrew;Dillon, Christopher P.;Weinlich, Ricardo;McCormick, Laura L.;Fitzgerald, Patrick;Pop, Cristina;Hakem, Razq;Salvesen, Guy S.;Green, Douglas R.
通讯作者:
Green, Douglas R.
影响因子:
16
作者:
Martinon, F;Burns, K;Tschopp, J
通讯作者:
Tschopp, J
影响因子:
7.2
作者:
Agniswamy, Johnson;Fang, Bin;Weber, Irene T.
通讯作者:
Weber, Irene T.
DOI:
10.1111/j.1432-1033.1981.tb05570.x
发表时间:
1981-01-01
期刊:
EUROPEAN JOURNAL OF BIOCHEMISTRY
影响因子:
--
作者:
BAICI, A
通讯作者:
BAICI, A