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Title 

(E)-N'-Arylidene-2-(4-oxoquinazolin-4(3H)-yl) acetohydrazides: synthesis and evaluation of antitumor cytotoxicity and caspase activation activity

Authors 

L C HuanC V PhuongL C TrucV N ThanhH Pham-TheL T T HuongN T ThuanE J ParkA Y JiJong Soon KangS B HanP T TranN H Nam

Publisher 

Informa Healthcare

Issue Date 

2019

Citation 

Journal of Enzyme Inhibition and Medicinal Chemistry

Keywords 

Acetohydrazidescaspase activationcytotoxicityquinazolin-4(3H)-one

Abstract 

In our search for novel small molecules activating procaspase-3, we have designed and synthesised a series of novel acetohydrazides incorporating quinazolin-4(3H)-ones (5, 6, 7). Biological evaluation revealed eight compounds with significant cytotoxicity against three human cancer cell lines (SW620, colon cancer; PC-3, prostate cancer; NCI-H23, lung cancer). The most potent compound 5t displayed cytotoxicity up to 5-fold more potent than 5-FU. Analysis of structure-activity relationships showed that the introduction of different substituents at C-6 position on the quinazolin-4(3H)-4-one moiety, such as 6-chloro or 6-methoxy potentially increased the cytotoxicity of the compounds. In term of caspase activation activity, several compounds were found to exhibit potent effects, (e.g. compounds 7?b, 5n, and 5l). Especially, compound 7?b activated caspases activity by almost 200% in comparison to that of PAC-1. Further docking simulation also revealed that this compound potentially is a potent allosteric inhibitor of procaspase-3.

URI 

https://doi.org/10.1080/14756366.2018.1555536

ISSN 

1475-6366

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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