Sanshimao formula inhibits the hypoxia-induced pro-angiogenesis of hepatocellular carcinoma cells partly through regulating MKK6/p38 signaling pathway.
Zhe Chen, Man Wang, Xiang Lv, Yannan Xu, Xionghui Wang, Bai Li, Changquan Ling, Juan Du
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引用次数: 0
Abstract
Objectives: Sanshimao (SSM) is a traditional Chinese medicine formula for advanced hepatocellular carcinoma (HCC). This study was designed to investigate the effect of SSM on HCC-induced angiogenesis and to explore the potential mechanism.
Methods: The endothelial cells were cultured with HCC cells conditioned medium in the 1% oxygen atmosphere to imitate tumor hypoxia microenvironment. EA.hy926 cells migration and tubulogenesis were detected by tube formation and scratch-wound assay. The protein microarray was employed to explore SSM-targeted proteins in Huh7 cells. We also established an animal model to observe the effects of SSM on angiogenesis in vivo.
Results: The data indicated that SSM reduced HCC-induced migration and tube formation of EA.hy926 cells at low dose under hypoxic conditions. These effects might be partly owing to suppression of HIF-1α-induced vascular endothelial growth factorα expression in Huh7 cells. Moreover, this inhibition was in an MKK6/P38-dependent way. Besides, Huh7 subcutaneous tumor models in nude mice further demonstrated the inhibition of SSM on tumor weight might be exerted partly by reduction of angiogenesis via blocking MKK6/P38 signaling pathways.
Conclusion: SSM inhibits HCC-induced pro-angiogenesis under hypoxic conditions via suppression of MKK6/P38 signaling pathways, which is favorable for HCC tumor growth.
期刊介绍:
JPP keeps pace with new research on how drug action may be optimized by new technologies, and attention is given to understanding and improving drug interactions in the body. At the same time, the journal maintains its established and well-respected core strengths in areas such as pharmaceutics and drug delivery, experimental and clinical pharmacology, biopharmaceutics and drug disposition, and drugs from natural sources. JPP publishes at least one special issue on a topical theme each year.