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  3. 152-160
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International Journal of Pharmacology

Year: 2012 | Volume: 8 | Issue: 3 | Page No.: 152-160
DOI: 10.3923/ijp.2012.152.160

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Authors


J. Boateng

Country: USA

M. Verghese

Country: USA

Keywords


  • antioxidative enzymes
  • fruit extracts
  • lung fibroblasts
  • reactive oxygen species (ROS)
  • Tert-butyl hydroperoxide (tBHP)
Research Article

Protective Effects of the Phenolic Extracts of Fruits against Oxidative Stress in Human Lung Cells

J. Boateng and M. Verghese
Consumption of fruits and the other dietary antioxidants are considered beneficial due to the protection they afford in the pathogenesis associated with oxidative stress. The aim of this study was to evaluate the antioxidative effects of selected fruit extracts (Plums, Apples, Grapes and Cranberries) on human lung fibroblasts (CCD-25LU) exposed to tert-butyl hydroperoxide (tBHP) oxidative stress. Lactate Dehydrogenase (LDH) was used to assess cytotoxicity (cell integrity) and antioxidant enzymes catalase (CAT), glutathione-s-transferase (GST), glutathione peroxidases (GPx) and concentrations of reduced glutathione (GSH) were determined. Results showed that LDH release by cells pretreated with fruits extracts were significantly (p<0.05) lower compared to cells treated with tBHP alone. Antioxidant enzymes (CAT, GST and GPx) in cells pretreated with fruit extracts were increased by 2-4 folds compared to cell exposed to tBHP alone. GSH levels which were significantly (p<0.05) reduced after exposure to tBHP were restored by pretreatment with fruit extracts. Fruits extracts used in this study protected CCD-25LU against oxidative stress induced by tBHP and reduced cell damage. Consumption of fruits may therefore play a significant role in protection against oxidative induced lung diseases.
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How to cite this article

J. Boateng and M. Verghese, 2012. Protective Effects of the Phenolic Extracts of Fruits against Oxidative Stress in Human Lung Cells. International Journal of Pharmacology, 8: 152-160.

DOI: 10.3923/ijp.2012.152.160

URL: https://scialert.net/abstract/?doi=ijp.2012.152.160

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