Design, Synthesis and Biological Evaluation of Novel Non-peptide Boronic Acid Derivatives as Proteasome Inhibitors

Author(s): Jiankang Zhang, Luqing Shen, Jincheng Wang, Peihua Luo, Yongzhou Hu

Journal Name: Medicinal Chemistry

Volume 10 , Issue 1 , 2014


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Abstract:

A series of novel non-peptide boronic acid derivatives were designed and synthesized via rational drug design principles. All target compounds were screened for the proteasome inhibitory activities in vitro. Selected compounds (6a and 7j) were evaluated for their cytotoxic activities in vitro. Among these tested compounds, two (6a, 7j) displayed better proteasome inhibitory activities than that of the lead compound PI-083, and compound 6a was the most potent one with IC50 value of 161.90±29.46 nM. However, both of the two compounds (6a, 7j) exhibited weak cytotoxic activities, the discrepancy may lie in the compensatory pathways of the ubiquitin-proteasome pathway that promote tumor cell survival.

Keywords: Bortezomib, PI-083, proteasome inhibitors, drug design, non-peptide boronic acid derivatives.

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Article Details

VOLUME: 10
ISSUE: 1
Year: 2014
Published on: 13 May, 2013
Page: [38 - 45]
Pages: 8
DOI: 10.2174/15734064113099990006

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