Anticancer Activity of Ocimum basilicum and the Effect of Ursolic Acid on the Cytoskeleton of MCF-7 Human Breast Cancer Cells

Author(s): Kehkashan Arshad Qamar, Ahsana Dar, Bina S. Siddiqui, Nurul Kabir, Huma Aslam, Shakil Ahmed, Shaista Erum, Shazia Habib, Sabira Begum

Journal Name: Letters in Drug Design & Discovery

Volume 7 , Issue 10 , 2010

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The anticancer activity of Ocimum basilicum extract and its fractions was evaluated using human cancer cell lines; active compound(s) residing in it were identified and mechanism of their anti-proliferative action was explored. Methanolic extract was fractionated into petroleum ether soluble (PE-S) and insoluble (PE-I) fractions. These were evaluated on HT-144, MCF-7, NCI-H460 and SF-268 cell lines using Sulforhodamine B assay. Immunofluorescence microscopy was employed to study their effects on the cytoskeleton and nuclei of MCF-7 cells. Fractionation of PE-I (GI50: 5 μg/ml; LC50: 71μg/ml against MCF-7) led to the isolation of four compounds, mainly ursolic acid (LC50: 18.6 μg/ml). Ursolic acid (100 μM) induced a significant decrease in the percentage of cells in anaphase/telophase stages along with F-actin aggregation and mitotic spindle distortion. These results support anti-proliferative activity of O. basilicum extract against MCF-7 cells which may partly be due to effects of ursolic acid on F-actin and microtubules.

Keywords: Anticancer, Cytoskeleton, MCF-7 cell line, Ocimum basilicum, Ursolic acid, petroleum ether soluble, PE-S, PE-I, HT-144, MCF-7, NCI-H460, SF-268, Betula alba, paclitaxel, vinblastine, Camptothecin acuminate, Podophyllum pel-tatum, Anvirzel, Nerium oleander, Oleanolic acid, 3-Epi-ursolic acid, 3-O-Methyl ursolic acid, DMSO, DAPI, SRB, trichloroacetic acid, trypan blue, tryp-sin-EDTA, MeOH, EtOAc, HPLC, photodiode array (PDA) detector, RPMI-1640, sulforhodamine B, Immunofluorescence Microscopy, Mitotic Index Assay, ANOVA, FITC channel, XTT assay, Jasplakinolide

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Article Details

Year: 2010
Page: [726 - 736]
Pages: 11
DOI: 10.2174/1570180811007010726
Price: $65

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