Cytotoxicity and Apoptosis-Induction Potential of Fraction F3 from Fruits of Bersama engleriana (Melanthaceae) against Human Cervical Cancer Cells

被引：0
作者：
Majoumouo M.S. [1 ,2 ,3 ]
Tincho M.B. [3 ,4 ,5 ]
Morris T. [6 ]
Hiss D.C. [7 ]
Boyom F.F. [1 ]
机构：
[1] Department of Biochemistry, Antimicrobial and Biocontrol Agents Unit (AmBcAU), Laboratory for Phytobiochemistry and Medicinal Plant Studies, University of Yaoundé 1
[2] Cancer Biology and Inflammatory Disorder Division, Council of Scientific and Industrial Research, Indian Institute of Chemical Biology, 4 Raja S.C. Mallick Road, West Bengal, Kolkata
[3] Department of Biotechnology, Faculty of Natural Sciences, University of the Western Cape, Private Bag X17, Bellville
[4] Division of Medical Virology, Department of Pathology, Faculty of Health Sciences, University of Cape Town
[5] Department of Biochemistry and Molecular Biology, University of Buea, P.O. Box 63, Buea
[6] Department of Medical Bioscience, Food Toxicology Laboratory, Faculty of Natural Sciences, University of the 15 Western Cape, Private Bag X17, Bellville
[7] Department of Medical Biosciences, Molecular Oncology Laboratory, Faculty of Natural Sciences, University of the Western Cape, Private Bag X17, Bellville
来源：
American Journal of Biochemistry and Biotechnology | 2022年 / 18卷 / 04期
关键词：
Apoptosis; Bersama engleriana; Cancer; Cytotoxicity; Flow Cytometry; HeLa Cells Subjects: Drug Discovery; Natural Products;
D O I：
10.3844/ajbbsp.2022.428.436
中图分类号：
学科分类号：
摘要：
Cervical cancer is one of the most life-threatening malignancies worldwide, despite intensive research for more efficacious chemotherapeutic agents. Recent efforts geared towards eradicating the scourge of cancer have embodied a major surge of interest in natural products as promising lead molecules in pharmaceutical development and therapeutic translation. Consequently, this study aimed to assess the cytotoxicity of a previously identified plant Fraction (F3) from Bersama engleriana against cervical cancer (HeLa) cells and non-cancerous normal human foreskin fibroblasts (HFF cells). Flow cytometric analysis via Annexin V/PI in HeLa cells was carried out to assess apoptosis induction. We report here the 50% Inhibitory Concentration (IC50) of fraction F3 to be 96.15 µg/mL and a 50% Cytotoxic Concentration (CC50) of 527.4 µg/mL, as well as a Selectivity Index (SI) of 5.48, thus confirming that fraction F3 is relatively non-toxic to the normal cells compared to the cancer cells evaluated. In addition, microscopic observations showed a higher reduction of cells, aggregated with dark color in HeLa cells treated with fraction F3 compared to control (cells only). The Annexin V/PI analysis showed the percentages of apoptotic cells were 4.6±0.05, 7.9±0.9 and 7.6±0.15, respectively, for the control and treatments of cells with 120 and 150 µg/mL fraction F3 in early apoptosis (Annexin V+/PI-) 48 h post-treatment. Percentages of apoptotic cells were 2.1±0.1, 8.9±0.2 and 7.7±0.2, respectively, for control, 120 and 150 µg/mL fraction F3 treatments in late apoptosis (Annexin V+/PI+) after 48 h posttreatment. Nevertheless, a comparison of the lowest percentage inhibition of apoptosis with the highest number of reduced cells observed with fluorescence microscopy suggests that fraction F3 may exert its growth inhibitory action on HeLa cells via another mechanism. The results established that fraction F3 from B. engleriana is a promising source for exploring antitumor activity. © 2022 Michèle Stella Majoumouo, Marius Belmondo Tincho, Thureyah Morris, Donavon Charles Hiss and Fabrice Fekam Boyom.
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页码：428 / 436
页数：8
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