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Evaluation of anti-apoptotic activity of different dietary antioxidants in renal cell carcinoma against hydrogen peroxide
Asian Pacific Journal of Tropical Biomedicine ; (12): 57-63, 2011.
Article in English | WPRIM | ID: wpr-335065
ABSTRACT
<p><b>OBJECTIVE</b>To evaluate the anti-apoptotic and radical scavenging activities of dietary phenolics, namely ascorbic acid,α-tocopherol acetate, citric acid, salicylic acid, and estimate H2O2-induced apoptosis in renal cell carcinoma cells.</p><p><b>METHODS</b>The intracellular antioxidant potency of antioxidants was investigated. H2O2-induced apoptosis in RCC-26 was assayed with the following parameters cell viability (% apoptosis), nucleosomal damage and DNA fragmentation, bcl-2 levels and flow cytometery analysis (ROS production evaluation).</p><p><b>RESULTS</b>The anticancer properties of antioxidants such as ascorbic acid, α-tocopherol acetate, citric acid, salicylic acid with perdurable responses were investigated. It was observed that these antioxidants had protective effect (anti-apoptotic activity) against hydrogen peroxide (H2O2) in renal cell carcinoma (RCC-26) cell line.</p><p><b>CONCLUSIONS</b>This study reveals and proves the anticancer properties. However, in cancer cell lines anti-apoptotic activity can indirectly reflect the cancer promoter activity through radicals scavenging, and significantly protect nucleus and bcl-2.</p>
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pharmacology / Vitamins / Carcinoma, Renal Cell / Cell Survival / Reactive Oxygen Species / Apoptosis / Oxidative Stress / Cell Line, Tumor / Toxicity / DNA Fragmentation Limits: Humans Language: English Journal: Asian Pacific Journal of Tropical Biomedicine Year: 2011 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pharmacology / Vitamins / Carcinoma, Renal Cell / Cell Survival / Reactive Oxygen Species / Apoptosis / Oxidative Stress / Cell Line, Tumor / Toxicity / DNA Fragmentation Limits: Humans Language: English Journal: Asian Pacific Journal of Tropical Biomedicine Year: 2011 Type: Article