Dienone Compounds: Targets and Pharmacological Responses.

Dienone Compounds: Targets and Pharmacological Responses.
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DOI:
10.1021/acs.jmedchem.0c00812
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发表时间:
2020-12-24
影响因子:
7.3
通讯作者:
Linder S
Linder S
中科院分区:
医学1区
文献类型:
--
作者:
Bazzaro M;Linder S

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具有 1,5-二芳基-3-氧代-1,4-戊二烯基药效基团的二烯酮化合物的生物反应已得到广泛研究。尽管它们具有预期的一般硫醇反应性,但这些化合物显示出相当程度的肿瘤细胞选择性。在这里,我们回顾了二烯酮化合物的体外和临床前研究,包括 b-AP15、VLX1570、RA-9、RA-190、EF24、HO-3867 和 MCB-613。这些化合物的一个共同特性是它们靶向泛素蛋白酶体系统(UPS),已知该系统对于肿瘤细胞的生存至关重要。基因表达谱实验显示了 UPS 抑制特征反应的诱导,并且使用细胞报告蛋白的实验显示蛋白酶体抑制与细胞死亡相关。还描述了其他作用机制,例如突变体 p53 的重新激活、类固醇受体共激活剂的刺激以及蛋白质交联的诱导。尽管由于广泛的反应性而不适合作为生物探针,但二烯酮化合物对抗凋亡​​肿瘤细胞具有细胞毒性,并在动物肿瘤模型中显示出活性。
The biological responses to dienone compounds with a 1,5-diaryl-3-oxo-1,4-pentadienyl pharmacophore have been studied extensively. Despite their expected general thiol reactivity, these compounds display considerable degrees of tumor cell selectivity. Here we review in vitro and preclinical studies of dienone compounds including b-AP15, VLX1570, RA-9, RA-190, EF24, HO-3867, and MCB-613. A common property of these compounds is their targeting of the ubiquitin–proteasome system (UPS), known to be essential for the viability of tumor cells. Gene expression profiling experiments have shown induction of responses characteristic of UPS inhibition, and experiments using cellular reporter proteins have shown that proteasome inhibition is associated with cell death. Other mechanisms of action such as reactivation of mutant p53, stimulation of steroid receptor coactivators, and induction of protein cross-linking have also been described. Although unsuitable as biological probes due to widespread reactivity, dienone compounds are cytotoxic to apoptosis-resistant tumor cells and show activity in animal tumor models.
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