Discovery and Evaluation of Novel Inhibitors of Mycobacterium Protein Tyrosine Phosphatase B from the 6-Hydroxy-benzofuran-5-carboxylic Acid Scaffold
作者:Yantao He、Jie Xu、Zhi-Hong Yu、Andrea M. Gunawan、Li Wu、Lina Wang、Zhong-Yin Zhang
DOI:10.1021/jm301781p
日期:2013.2.14
B (mPTPB) is a virulence factor secreted by the pathogen and mediates mycobacterial survival in macrophages by targeting host cell immune responses. Consequently, mPTPB represents an exciting new target to combat tuberculosis (TB) infection. We describe a medicinal chemistry oriented approach that transforms a benzofuran salicylic acid scaffold into a highlypotent (IC50 = 38 nM) and selective mPTPB
A Potent and Selective Small-Molecule Inhibitor for the Lymphoid-Specific Tyrosine Phosphatase (LYP), a Target Associated with Autoimmune Diseases
作者:Yantao He、Sijiu Liu、Ambili Menon、Stephanie Stanford、Emmanuel Oppong、Andrea M. Gunawan、Li Wu、Dennis J. Wu、Amy M. Barrios、Nunzio Bottini、Andrew C. B. Cato、Zhong-Yin Zhang
DOI:10.1021/jm400248c
日期:2013.6.27
Lymphoid-specific tyrosinephosphatase (LYP), a member of the proteintyrosinephosphatase (PTP) family of signaling enzymes, is associated with a broad spectrum of autoimmune diseases. Herein we describe our structure-based lead optimization efforts within a 6-hydroxy-benzofuran-5-carboxylic acid series culminating in the identification of compound 8b, a potent and selectiveinhibitor of LYP with a Ki