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Discovery of Irreversible Inhibitors Targeting Histone Methyltransferase, SMYD3

SMYD3 is a histone methyltransferase that regulates gene transcription, and its overexpression is associated with multiple human cancers. A novel class of tetrahydroacridine compounds which inhibit SMYD3 through a covalent mechanism of action is identified. Optimization of these irreversible inhibit...

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Published in:ACS medicinal chemistry letters 2019-06, Vol.10 (6), p.978-984
Main Authors: Huang, Chuhui, Liew, Si Si, Lin, Grace R, Poulsen, Anders, Ang, Melgious J. Y, Chia, Brian C. S, Chew, Sin Yin, Kwek, Zekui P, Wee, John L. K, Ong, Esther H, Retna, Priya, Baburajendran, Nithya, Li, Rong, Yu, Weixuan, Koh-Stenta, Xiaoying, Ngo, Anna, Manesh, Sravanthy, Fulwood, Justina, Ke, Zhiyuan, Chung, Hwa Hwa, Sepramaniam, Sugunavathi, Chew, Xin Hui, Dinie, Nurul, Lee, May Ann, Chew, Yun Shan, Low, Choon Bing, Pendharkar, Vishal, Manoharan, Vithya, Vuddagiri, Susmitha, Sangthongpitag, Kanda, Joy, Joma, Matter, Alex, Hill, Jeffrey, Keller, Thomas H, Foo, Klement
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cited_by cdi_FETCH-LOGICAL-a523t-dda9884cee9489e9366d1998efd4af33d59034d421c3ba3e14de9b1b8a18d4d23
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container_issue 6
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container_title ACS medicinal chemistry letters
container_volume 10
creator Huang, Chuhui
Liew, Si Si
Lin, Grace R
Poulsen, Anders
Ang, Melgious J. Y
Chia, Brian C. S
Chew, Sin Yin
Kwek, Zekui P
Wee, John L. K
Ong, Esther H
Retna, Priya
Baburajendran, Nithya
Li, Rong
Yu, Weixuan
Koh-Stenta, Xiaoying
Ngo, Anna
Manesh, Sravanthy
Fulwood, Justina
Ke, Zhiyuan
Chung, Hwa Hwa
Sepramaniam, Sugunavathi
Chew, Xin Hui
Dinie, Nurul
Lee, May Ann
Chew, Yun Shan
Low, Choon Bing
Pendharkar, Vishal
Manoharan, Vithya
Vuddagiri, Susmitha
Sangthongpitag, Kanda
Joy, Joma
Matter, Alex
Hill, Jeffrey
Keller, Thomas H
Foo, Klement
description SMYD3 is a histone methyltransferase that regulates gene transcription, and its overexpression is associated with multiple human cancers. A novel class of tetrahydroacridine compounds which inhibit SMYD3 through a covalent mechanism of action is identified. Optimization of these irreversible inhibitors resulted in the discovery of 4-chloroquinolines, a new class of covalent warheads. Tool compound 29 exhibits high potency by inhibiting SMYD3′s enzymatic activity and showing antiproliferative activity against HepG2 in 3D cell culture. Our findings suggest that covalent inhibition of SMYD3 may have an impact on SMYD3 biology by affecting expression levels, and this warrants further exploration.
doi_str_mv 10.1021/acsmedchemlett.9b00170
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subjects Letter
title Discovery of Irreversible Inhibitors Targeting Histone Methyltransferase, SMYD3
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