Identification of 4-(2-(4-amino-1,2,5-oxadiazol-3-yl)-1-ethyl-7-{[(3S)-3-piperidinylmethyl]oxy}-1H-imidazo[4,5-c]pyridin-4-yl)-2-methyl-3-butyn-2-ol (GSK690693), a novel inhibitor of AKT kinase

被引：132

作者：

Heerding, Dirk A. ^{[1
]}

Rhodes, Nelson ^{[1
]}

Leber, Jack D. ^{[1
]}

Clark, Tammy J. ^{[1
]}

Keenan, Richard M. ^{[1
]}

Lafrance, Louis V. ^{[1
]}

Li, Mei ^{[1
]}

Safonov, Igor G. ^{[1
]}

Takata, Dennis T. ^{[1
]}

Venslavsky, Joseph W. ^{[1
]}

Yamashita, Dennis S. ^{[1
]}

Choudhry, Anthony E. ^{[1
]}

Copeland, Robert A. ^{[1
]}

Lai, Zhihong ^{[1
]}

Schaber, Michael D. ^{[1
]}

Tummino, Peter J. ^{[1
]}

Strum, Susan L. ^{[1
]}

Wood, Edgar R. ^{[1
]}

Duckett, Derek R. ^{[1
]}

Eberwein, Derek ^{[1
]}

Knick, Victoria B. ^{[1
]}

Lansing, Timothy J. ^{[1
]}

McConnell, Randy T. ^{[1
]}

Zhang, ShuYun ^{[1
]}

Minthorn, Elisabeth A. ^{[1
]}

Concha, Nestor O. ^{[1
]}

Warren, Gregory L. ^{[1
]}

Kumar, Rakesh ^{[1
]}

机构：

[1] GlaxoSmithKline, Oncol Ctr Excellence Drug Discovery, Collegeville, PA 19426 USA

来源：

JOURNAL OF MEDICINAL CHEMISTRY | 2008年 / 51卷 / 18期

关键词：

D O I：

10.1021/jm8004527

中图分类号：

R914 [药物化学];

学科分类号：

100701 ;

摘要：

Overexpression of AKT has an antiapoptotic effect in many cell types, and expression of dominant negative AKT blocks the ability of a variety of growth factors to promote survival. Therefore, inhibitors of AKT kinase activity might be useful as monotherapy for the treatment of tumors with activated AKT. Herein, we describe our lead optimization studies cultriinating in the discovery of compound 3g (GSK690693). Compound 3g is a novel ATP competitive, pan-AKT kinase inhibitor with IC50 values of 2, 13, and 9 nM against AKT1, 2, and 3, respectively. An X-ray cocrystal structure was solved with 3g and the kinase domain of AKT2, confirming that 3g bound in the ATP binding pocket. Compound 3g potently inhibits intracellular AKT activity as measured by the inhibition of the phosphorylation levels of GSK3 beta. Intraperitoneal administration of 3g in immunocompromised mice results in the inhibition of GSK3 beta phosphorylation and tumor growth in human breast carcinoma (BT474) xenografts.

引用

页码：5663 / 5679

页数：17

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