ArticleAsian Pacific journal of cancer prevention : APJCP2022
The Effectiveness of the Nimali Variety of Sri Lankan Punica granatum L. Fruit Extracts on Rhabdomyosarcoma (RD) Cells Concerning the Apoptotic Signaling Pathway.
Article in Asian Pacific journal of cancer prevention : APJCP, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivePomegranate ,a polyphenol-rich fruit, has been considered as one of the ancient fruits with anticancer effect. Cell cycle arrest is considered as an ordinary factor in human cancer, and apoptosis is the frequent drug target. This study aimed to evaluate the effectiveness of the Nimali variety of Sri Lankan Punica granatum L. fruit extracts on rhabdomyosarcoma (RD) cells concerning the apoptotic signaling pathway.
methodsAntiproliferative activity of aqueous extracts of pomegranate peel, pericarp, was assessed using multiple extraction methods (sonication, microwaving, sonication followed by microwaving, keeping in a waterbath, and boiling at 100ºC). Total protein content, nitric oxide production, LDH, and caspase-8 and caspase-3 activities were analyzed in peel extracts prepared by sonicated or microwave methods. RT-qPCR was performed with intact RNA to explore the apoptotic pathway and gene expression.
resultsPeel extracts expressed minimum cell viability in a dose-dependent manner, induced cell death on RD cells. However, sonicated peel extract (SPL) indicated the lowest IC50 of 14.8±2.2 μg/mL comparative to healthy VERO cells (>1,000 μg/mL). A decrease of nitrite content in the supernatant was visualized in the graph plotted against concentration. Furthermore, SPL upregulated caspase-8 and caspase-3 signaling pathways and expression of p21 and p53 genes.
conclusionThe findings highlighted the promising therapeutic potential of SPL to inhibit RD growth and progression and to modulate the caspase-8 and caspase-3, p53, and p21 dependent pathway.
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