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International Journal of Cancer Research
Year: 2006  |  Volume: 2  |  Issue: 1  |  Page No.: 47 - 49

Anticarcinogenic Properties of Strobilanthes crispus Extracts and its Compounds in vitro

Asmah Rahmat, Susi Edrini, Abdah Md. Akim, Patimah Ismail, Taufiq Yap Yun Hin and Mohd Fadzelly Abu Bakar    

Abstract: The antiproliferative activities of Strobilanthes crispus was evaluated using (3-[4,5-dimethylthiazol-2-yl]-2, 5-diphenyltetrazoliumbromide) (MTT) assay against several cancer cell lines and Chang liver (normal) cell lines. The methanolic extracts of Strobilanthes crispus displayed the strongest cytotoxic effect on colon cancer (Caco-2) followed by human breast cancer hormone non-dependent (MDA-MB-231) and liver cancer (HepG-2) with IC50 values of 22.3, 27.2 and 29.3 μg mL-1, respectively. The chloroform extract of this plant was shown to also have cytotoxic effect against Caco-2 and HepG-2 with IC50 values of 25.1 and 28.0 μg mL-1, respectively. β-sitosterol and stigmasterol were isolated from the leaves of Strobilanthes crispus. β-sitosterol displayed cytotoxic properties against Caco-2, HepG-2 and MCF-7 with IC50 values of 20.0, 53.0 and 71.2 μM, respectively. Whereas, stigmasterol inhibited the proliferation of Caco2, HepG2, MCF-7 and MDA-MB-231 with IC50 values of 132.5, 182.5, 156.0 and 185.9 μM, respectively. There was no cytotoxic effect observed on normal cell lines (Chang liver) in all samples tested.

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