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Polyyne-Enriched Extract from Oplopanax elatus Significantly Ameliorates the Progression of Colon Carcinogenesis in ApcMin/+ Mice

State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
Tang Center for Herbal Medicine Research and Department of Anesthesia & Critical Care, The Pritzker School of Medicine, The University of Chicago, Chicago, IL 60601, USA
Authors to whom correspondence should be addressed.
Molecules 2017, 22(10), 1593;
Received: 30 July 2017 / Revised: 9 September 2017 / Accepted: 19 September 2017 / Published: 22 September 2017
(This article belongs to the Collection Natural Products: Anticancer Potential and Beyond)
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Colorectal cancer (CRC) is the third most common cancer in the world. Oplopanax elatus is widely used in traditional medicine. However, little is known about its pharmacological effects and bioactive compounds. We evaluated the effects of the polyyne-enriched extract from O. elatus (PEO) on the progression of colon carcinogenesis in ApcMin/+ mice. In addition, these effects were also investigated in HCT116 and SW480 cells. After PEO oral administration (0.2% diet) for 12 weeks, PEO significantly improved body weight changes and reduced the tumor burden and tumor multiplicity compared with the untreated mice. Meanwhile, western blot and immunohistochemistry results showed PEO significantly reduced the expression of β-catenin and cyclinD1 in both small intestine and the colon tissues compared with the untreated mice. In addition, PEO treatment significant decreased the cell viability in both HCT116 and SW480 cell lines. It also decreased the levels of β-catenin, cyclinD1, c-myc and p-GSK-3β in HCT116 and SW480 cells at 25 μM. These results indicate that PEO may have potential value in prevention of colon cancer by down-regulating Wnt-related protein. View Full-Text
Keywords: PEO; colorectal cancer; Wnt/β-catenin signaling PEO; colorectal cancer; Wnt/β-catenin signaling

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Qiao, X.; Sun, W.; Wang, C.; Zhang, L.; Li, P.; Wen, X.; Yang, J.; Yuan, C. Polyyne-Enriched Extract from Oplopanax elatus Significantly Ameliorates the Progression of Colon Carcinogenesis in ApcMin/+ Mice. Molecules 2017, 22, 1593.

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