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Discovery and Optimization of a Porcupine Inhibitor.

Abstract：

:Wnt proteins regulate various cellular functions and serve distinct roles in normal development throughout life. Wnt signaling is dysregulated in various diseases including cancers. Porcupine (PORCN) is a membrane-bound O-acyltransferase that palmitoleates the Wnts and hence is essential for their secretion and function. The inhibition of PORCN could serve as a therapeutic approach for the treatment of a number of Wnt-dependent cancers. Herein, we describe the identification of a Wnt secretion inhibitor from cellular high throughput screening. Classical SAR based cellular optimization provided us with a PORCN inhibitor with nanomolar activity and excellent bioavailability that demonstrated efficacy in a Wnt-driven murine tumor model. Finally, we also discovered that enantiomeric PORCN inhibitors show very different activity in our reporter assay, suggesting that such compounds may be useful for mode of action studies on the PORCN O-acyltransferase.

journal_name

J Med Chem

journal_title

Journal of medicinal chemistry

authors

Duraiswamy AJ,Lee MA,Madan B,Ang SH,Tan ES,Cheong WW,Ke Z,Pendharkar V,Ding LJ,Chew YS,Manoharan V,Sangthongpitag K,Alam J,Poulsen A,Ho SY,Virshup DM,Keller TH

doi

10.1021/acs.jmedchem.5b00507

subject

Has Abstract

pub_date

2015-08-13 00:00:00

pages

5889-99

issue

15

eissn

0022-2623

issn

1520-4804

journal_volume

58

pub_type

杂志文章

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