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Issue 2, 2017
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Discovery of decamidine as a new and potent PRMT1 inhibitor

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Abstract

Protein arginine methyltransferase 1 (PRMT1) is a key player for the dynamic regulation of arginine methylation. Its dysregulation and aberrant expression are implicated in various pathological conditions, and a plethora of evidence suggests that PRMT1 inhibition is of significant therapeutic value. Herein, we reported the modification of a series of diamidine compounds with varied lengths in the middle alkyl linker for PRMT1 inhibition. Decamidine (2j), which possesses the longest linker in the series, displayed 2- and 4-fold increase in PRMT1 inhibition (IC50 = 13 μM), compared with furamidine and stilbamidine. The inhibitory activity toward PRMT1 was validated by secondary orthogonal assays. Docking studies showed that the increased activity is due to the extra interaction of the amidine group with the SAM binding pocket, which is absent when the linker is not long enough. These results provide structural insights into developing the amidine type of PRMT1 inhibitors.

Graphical abstract: Discovery of decamidine as a new and potent PRMT1 inhibitor

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Supplementary files

Article information


Submitted
13 Oct 2016
Accepted
30 Dec 2016
First published
03 Jan 2017

Med. Chem. Commun., 2017,8, 440-444
Article type
Research Article

Discovery of decamidine as a new and potent PRMT1 inhibitor

J. Zhang, K. Qian, C. Yan, M. He, B. A. Jassim, I. Ivanov and Y. G. Zheng, Med. Chem. Commun., 2017, 8, 440
DOI: 10.1039/C6MD00573J

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