Design, synthesis, biological evaluation and molecular modeling of novel 1H-pyrrolo[2,3-b]pyridine derivatives as potential anti-tumor agents.

Abstract:

:A class of 3-substituted 1H-pyrrolo[2,3-b]pyridine derivatives were designed, synthesized and evaluated for their in vitro biological activities against maternal embryonic leucine zipper kinase (MELK). Among these derivatives, the optimized compound 16h exhibited potent enzyme inhibition (IC50 = 32 nM) and excellent anti-proliferative effect with IC50 values from 0.109 μM to 0.245 μM on A549, MDA-MB-231 and MCF-7 cell lines. The results of flow cytometry indicated that 16h promoted apoptosis of A549 cells in a dose-dependent manner and effectively arrested A549 cells in the G0/G1 phase. Further investigation indicated that compound 16h potently suppressed the migration of A549 cells, had moderate stability in rat liver microsomes and showed moderate inhibitory activity against various subtypes of human cytochrome P450. However, compound 16h is a multi-target kinase inhibitor and recently several studies reported MELK expression is not required for cancer growth, suggesting that compound 16h suppressed the proliferation and migration of cancer cells should through an off-target mechanism. Collectively, compound 16h has the potential to serve as a new lead compound for further anticancer drug discovery.

journal_name

Bioorg Chem

journal_title

Bioorganic chemistry

authors

Wang R,Chen Y,Yang B,Yu S,Zhao X,Zhang C,Hao C,Zhao D,Cheng M

doi

10.1016/j.bioorg.2019.103474

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

103474

eissn

0045-2068

issn

1090-2120

pii

S0045-2068(19)30892-2

journal_volume

94

pub_type

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