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Identification of a new class of potent Cdc7 inhibitors designed by putative pharmacophore model: Synthesis and biological evaluation of 2,3-dihydrothieno[3,2-d]pyrimidin-4(1H)-ones.

Abstract：

:Cell division cycle 7 (Cdc7) is a serine/threonine kinase that plays important roles in the regulation of DNA replication process. A genetic study indicates that Cdc7 inhibition can induce selective tumor-cell death in a p53-dependent manner, suggesting that Cdc7 is an attractive target for the treatment of cancers. In order to identify a new class of potent Cdc7 inhibitors, we generated a putative pharmacophore model based on in silico docking analysis of a known inhibitor with Cdc7 homology model. The pharmacophore model provided a minimum structural motif of Cdc7 inhibitor, by which preliminary medicinal chemistry efforts identified a dihydrothieno[3,2-d]-pyrimidin-4(1H)-one scaffold having a heteroaromatic hinge-binding moiety. The structure-activity relationship (SAR) studies resulted in the discovery of new, potent, and selective Cdc7 inhibitors 14a, c, e. Furthermore, the high selectivity of 14c, e for Cdc7 over Rho-associated protein kinase 1 (ROCK1) is discussed by utilizing a docking study with Cdc7 and ROCK2 crystal structures.

journal_name

Bioorg Med Chem

journal_title

Bioorganic & medicinal chemistry

authors

Kurasawa O,Oguro Y,Miyazaki T,Homma M,Mori K,Iwai K,Hara H,Skene R,Hoffman I,Ohashi A,Yoshida S,Ishikawa T,Cho N

doi

10.1016/j.bmc.2017.02.021

subject

Has Abstract

pub_date

2017-04-01 00:00:00

pages

2133-2147

issue

7

eissn

0968-0896

issn

1464-3391

pii

S0968-0896(16)31332-3

journal_volume

25

pub_type

杂志文章

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