Identification of potent and selective non-covalent inhibitors of the Plasmodium falciparum proteasome.

Identification of potent and selective non-covalent inhibitors of the Plasmodium falciparum proteasome.
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DOI:
10.1021/ja507692y
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发表时间:
2014-10-01
影响因子:
15
通讯作者:
Bogyo, Matthew
Bogyo, Matthew
中科院分区:
化学1区
文献类型:
--
作者:
Li, Hao;Tsu, Christopher;Blackburn, Christopher;Li, Gang;Hales, Paul;Dick, Lawrence;Bogyo, Matthew

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我们已经确定了短的N,C-加帽肽,选择性地抑制蛋白酶体的疟疾病原体恶性疟原虫。这些化合物在培养物中是高度有效的,在宿主细胞中没有毒性。一种环状联苯醚化合物以35 nM的IC 50抑制恶性疟原虫的红细胞内生长,并且我们表明,即使用这种环状肽脉冲处理也会因蛋白酶体抑制而诱导寄生虫死亡。这些化合物代表了有前途的新的抗疟剂,其靶向寄生虫的基本蛋白酶体机制,而对宿主没有毒性。
We have identified short N,C-capped peptides that selectively inhibit the proteasome of the malaria-causing pathogen Plasmodium falciparum. These compounds are highly potent in culture with no toxicity in host cells. One cyclic biphenyl ether compound inhibited intraerythrocytic growth of P. falciparum with an IC50 of 35 nM, and we show that even a pulse treatment with this cyclic peptide induced parasite death due to proteasome inhibition. These compounds represent promising new antimalarial agents that target the essential proteasomal machinery of the parasite without toxicity toward the host.
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