Pharmacognosy

Journal of Pharmacognosy and Phytochemistry

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Journal of Pharmacognosy and Phytochemistry

Vol. 5, Issue 4 (2016)

Semi-synthesis of indirubin-3′-oxime from Strobilanthes cusia leaves, its acute and sub-chronic toxicity, in vitro and in vivo antitumor activity in Lewis lung carcinoma bearing mice

Author(s): Nguyen Manh Cuong, Pham Ngoc Khanh, Vu Thi Ha, Tran Thu Huong, Ngo Thanh Tung, Nguyen Thi Cuc and Do Thi Thao
Abstract: Indirubin-3′-oxime (IOX) is known to possess anticancer properties by inhibiting cell proliferation of various human cancer cell lines. In the present study, IOX was prepared directly from an indirubin-rich powder of Strobilanthes cusia leaves through an eco-friendly procedure. IOX thus obtained was evaluated for the anticancer activity both in vitro and in vivo. IOX showed anti-cancer activity against various human cell lines (KB, HepG2, MCF-7, LU-1 and LLC); in particular IOX significantly reduced the survival rate of human oral epidermoid (KB) and human lung cancer (LU-1) cells with IC50 values of 2.51 and 3.52 µg/ml, respectively. In the chronic in vivo toxicity assay, IOX given per os was essentially non-toxic to mice (LD50 > 12.0 g/kg). IOX antitumor activity in vivo was assessed by use of the Lewis lung carcinoma (LLC) cells transplanted subcutaneously in the mice flank. Mice receiving for 40 days IOX at a daily oral dose of 200 mg/kg b.w. had their life span significantly prolonged by 50% while the tumor mass was significantly (P<0.05) decreased by about 30% as compared to control animals. Since IOX was proved to suppress tumor growth in vivo by inhibiting tumor cell proliferation, it is a potential candidate for developing anticancer therapeutic agents.
Pages: 292-301  |  1134 Views  18 Downloads
How to cite this article:
Nguyen Manh Cuong, Pham Ngoc Khanh, Vu Thi Ha, Tran Thu Huong, Ngo Thanh Tung, Nguyen Thi Cuc and Do Thi Thao. Semi-synthesis of indirubin-3′-oxime from Strobilanthes cusia leaves, its acute and sub-chronic toxicity, in vitro and in vivo antitumor activity in Lewis lung carcinoma bearing mice. Journal of Pharmacognosy and Phytochemistry. 2016; 5(4): 292-301.
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