Journal
JOURNAL OF CELLULAR BIOCHEMISTRY
Volume 113, Issue 11, Pages 3403-3410Publisher
WILEY
DOI: 10.1002/jcb.24216
Keywords
CAUDATIN; CELL GROWTH; ANGIOGENESIS; ss-CATENIN; GSK3 ss; VEGF
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Funding
- National Natural Science Foundation of China [30800422]
- Shandong Provincial Natural Science Foundation, China [ZR2011HQ034]
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In this study, we investigate the anti-cancer activity of caudatin in carcinomic human alveolar basal epithelial cell line A549 and anti-angiogenic activity in human umbilical vein endothelial cells (HUVECs). We show that caudatin impairs the cell viability and induces G0/G1 phase arrest in A549 cells with a dose dependent manner. A549 cells, not HUVECs, dealing with caudatin exhibited typical characteristics of apoptosis, which were accompanied by activation of caspase-3, caspase-9 and Poly(ADPRibose) Polymerase (PARP). In addition, caudatin treatment resulted in a decrease of beta-catenin and increase of phosphorylation of beta-catenin, and inhibited phosphorylation levels of GSK3 beta (Ser 9) in A549 cells. Conditional medium of A549 cells-induced or growth factors-induced tube formation of HUVECs was markedly inhibited by caudatin treatment, which was associated with the inhibiting VEGF secretion from A549 cells by caudatin. Our findings suggest that caudatin inhibits carcinomic human alveolar basal epithelial cell growth and angiogenesis by targeting GSK3 beta/beta-catenin pathway and suppressing VEGF production. J. Cell. Biochem. 113: 34033410, 2012. (C) 2012 Wiley Periodicals, Inc.
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