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Original Research Article


Pectolinarigenin - A Flavonoid Compound from Cirsium Japonicum with Potential Anti-proliferation Activity in MCF-7 Breast Cancer Cell

 

Mingqian Lu1,2,3, Qingzhi Kong1,4*, Xinhua Xu2,3, Hongda Lu4, Zhongxin Lu4, Wei Yu2,3, Bin Zuo2,3, Jin Su2,3 and Rong Guo2,3

1Hubei University of Chinese Medicine, Wuhan 430061, 2Institute of Oncology, China Three Gorges University, 3Oncology Department, Yichang Central Hospital,Yichang 443000, 4Wuhan Central Hospital & Wuhan Institute of Oncology, Wuhan 430061, China.

 

*For correspondence: Email: lumqyc@sina.cn; Tel: +86-0717-6486745; Fax: +86-0717-6486745

 

Received: 17 January 2013                                                                   Revised accepted: 6 January 2014

 

Tropical Journal of Pharmaceutical Research, January 2014; 13(2): 225-228

http://dx.doi.org/10.4314/tjpr.v13i2.9   

Abstract

 

Purpose: To isolate high purity pectolinarigenin from Cirsium japonicum and evaluates its anti-proliferative potential and induction of apoptosis activity in MCF-7 breast cancer cell.

Methods: Pectolinarigenin was purified by the combination of silica gel and Sephadex LH-20 column chromatography. The structure was identified by 1H-nuclear magnetic resonance (NMR), 13C-NMR and electrospray ionization tandem mass spectrometry (ESI-MS) analyses. The anti-proliferation activity of pectolinarigenin was also evaluated by methylthiazolyldiphenyl-tetrazolium bromide (MTT) and colony formation assays in MCF-7 breast cancer cell.

Results: Pectolinarigenin showed potent anti-proliferation activity by inducing apoptosis and downregulation of Bcl2 expression in MCF-7 breast cancer cell. Protein expression of Bcl2 was almost completely inhibited upon the treatment with 25 mM pectolinarigenin.

Conclusion: A rapid method to isolate high purity pectolinarigenin from C. japonicum and as well as evaluate its anti-proliferative potential and induction of apoptosis in MCF-7 breast cancer cells is presented for the first time. Induction of apoptosis of MCF-7 is via downregulation of Bcl2 expression.

 

Keywords: Cirsium japonicum, Anti-proliferation activity, Pectolinarigenin, Breast cancer, Apoptosis.

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