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Original Research Article | OPEN ACCESS

Cytotoxicity and Apoptotic Activity of Ficus pseudopalma Blanco Leaf Extracts Against Human Prostate Cancer Cell Lines

Ma Cristina De Las Llagas1,2 , Librado Santiago1,3,4, John Donnie Ramos1,4,5

1The Graduate School, University of Santo Tomas, Espaňa Blvd., Manila; 2Biology Department, Ateneo de Davao University, Roxas Blvd., Davao City; 3Faculty of Pharmacy; 4Research Center for the Natural and Applied Sciences; 5College of Science, University of Santo Tomas, Espaňa Blvd., Manila, Philipines.

For correspondence:-  Ma Llagas   Email: tinadelasllagas@yahoo.com   Tel:+639228401800

Received: 8 October 2013        Accepted: 17 December 2013        Published: 25 January 2014

Citation: Llagas MC, Santiago L, Ramos JD. Cytotoxicity and Apoptotic Activity of Ficus pseudopalma Blanco Leaf Extracts Against Human Prostate Cancer Cell Lines. Trop J Pharm Res 2014; 13(1):93-100 doi: 10.4314/tjpr.v13i1.14

© 2014 The authors.
This is an Open Access article that uses a funding model which does not charge readers or their institutions for access and distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0) and the Budapest Open Access Initiative (http://www.budapestopenaccessinitiative.org/read), which permit unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited..

Abstract

Purpose: To investigate the cytotoxic and apoptotic activities of Ficus pseudopalma (FP) Blanco leaf extracts against normal human FSE cells and human prostate PRST2 cancer cell line.
Methods: FP leaves were extracted with 95 % ethanol, and partitioned with chloroform, ethylacetate, and water. The presence of terpenoid lupeol and flavonoid quercetin was determined through high performance liquid chromatography (HPLC). The cytotoxic and apoptotic effects of different concentrations of FP extracts on PRST2 cells and on non-cancerous human foreskin surface epithelial (hFSE) cells were determined by 3-[4, 5-dimethylthiazol-2-yl]-2, 5-diphenyltetrazolium bromide (MTT) assay, tryphan blue exclusion assay, Live/Dead viability assay and terminal deoxynucleotidyl transferase dUTP nick end labelling  (TUNEL)  assay.
Results:  Ethylacetate, chloroform, and crude ethanol extracts were significantly cytotoxic to PRST2 cell lines (p < 0.001)  in a concentration-dependent manner with a 50 % cell growth inhibitory concentration of 4.16, 4.83 and 44.53 µg/mL, respectively.  A significant decrease in the viability of PRST2-treated cells (p < 0.001) in a concentration-dependent manner was observed in the tryphan blue exclusion assay and in the Live/Dead® viability assay. Using APO-BrdU TUNEL assay, apoptotic activities of the extracts increased in a concentration-dependent manner. All the extracts did not show significant cytotoxic effect on hFSE cells (p = 0.064).
Conclusion:  The cytotoxic and apoptotic activities of FP extracts may be due to the presence of lupeol and quercetin. This study suggests that apoptotic mechanisms may be involved in the growth inhibitory activity of FP leaf extracts against human PRST 2 cell lines. 

Keywords: Ficus pseudopalma, Cytotoxicity, Apopotic, human prostate PRST2 cancer cell, Lupeol, Quercetin

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Thompson Reuters (ISI): 0.6 (2023)
H-5 index (Google Scholar): 49 (2023)

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