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ORIGINAL ARTICLE
Year : 2018  |  Volume : 10  |  Issue : 1  |  Page : 55-59

Antiproliferative and Apoptotic Activities of the Medicinal Plant Ziziphus obtusifolia


1 Department of Chemical- Biological Sciences, University of Sonora, Hermosillo, Sonora, Mexico
2 Unit of Support Services in Analitycal Resolution, Veracruzana University, Xico, Veracruz, Mexico

Correspondence Address:
Dr. Ramón Enrique Robles-Zepeda
Departamento de Ciencias Químico Biológicas, Universidad de Sonora, Blvd, Luis Encinas y Rosales S/N. Hermosillo, Sonora 83000
Mexico
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/pr.pr_38_17

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Background: Ziziphus obtusifolia is a spiny shrub found in Northwest Mexico desert, with traditional medicinal use to treat several diseases including cancer. Objective: The aims of the present study were to evaluate the antiproliferative and apoptotic activities of the aerial parts of this plant. Materials and Methods: The methanol extract and its fractions were prepared using several solvents. The antiproliferative activity was evaluated by the (3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium) (MTT) assay on HeLa, A549, RAW 264.7, M12.C3.F6, and L-929 cell lines, and the apoptotic activity using Annexin V and (5,50,6,60-tetra-chloro-1,10,3,30-tetra-ethylbenzimidazol-carbocyanine iodide) staining. The most active fraction was further separated by column chromatography. Results: The most active fraction was hexane with an IC50of 90.4 μg/mL against RAW 264.7, 94 μg/mL against M12.C3.F6, 165.5 μg/mL against HeLa and 187.7 μg/mL against A549 cell lines. In apoptotic activity assays the methanol extract and its n-hexane fraction were found to induce mitochondrial depolarization in HeLa cells (83 and 87% respectively), and both induced the externalization of the phosphatidylserine increasing the percentage of cells in early apoptosis from 1.4% in untreated control cells, to 1.9% and 3.5% for methanol extract and n-hexane fraction-treated cells, respectively, statistically different for the total percentage of apoptotic cells (P < 0.05). Conclusions: These results show that Z. obtusifolia has antiproliferative and apoptotic activities in vitro and confirms its use in traditional medicine. The methanol extract and its fractions using several solvents were evaluated in the antiproliferative activity by the MTT assay on HeLa, A549, RAW 264.7, M12.C3.F6, and L-929 cell lines, and the apoptotic activity using Annexin V and (5,50,6,60-tetra-chloro-1,10,3,30-tetra-ethylbenzimidazol-carbocyanine iodide) staining. The most active fraction against cell lines was hexane. In apoptotic activity assays, the methanol extract and its n-hexane fraction were found to induce mitochondrial depolarization. This results we showed that Ziziphus obtusifolia has antiproliferative and apoptotic activities in vitro.


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