Rutin, a bioflavonoid antioxidant protects rat pheochromocytoma (PC-12) cells against 6-hydroxydopamine (6-OHDA)-induced neurotoxicity

  • Authors:
    • Kasthuri Bai Magalingam
    • Ammu Radhakrishnan
    • Nagaraja Haleagrahara
  • View Affiliations

  • Published online on: May 10, 2013     https://doi.org/10.3892/ijmm.2013.1375
  • Pages: 235-240
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Abstract

Free radicals are widely known to be the major cause of human diseases such as neurodegenerative diseases, cancer, allergy and autoimmune diseases. Human cells are equipped with a powerful natural antioxidant enzyme network. However, antioxidants, particularly those originating from natural sources such as fruits and vegetables, are still considered essential. Rutin, a quercetin glycoside, has been proven to possess antioxidant potential. However, the neuroprotective effect of rutin in pheochromocytoma (PC-12) cells has not been studied extensively. Therefore, the present study was designed to establish the neuroprotective role of rutin as well as to elucidate the antioxidant mechanism of rutin in 6-hydroxydopamine (6-OHDA)-induced toxicity in PC-12 neuronal cells. PC-12 cells were pretreated with different concentrations of rutin for 4, 8 and 12 h and subsequently incubated with 6-OHDA for 24 h to induce oxidative stress. A significant cytoprotective activity was observed in rutin pretreated cells in a dose-dependent manner. Furthermore, there was marked activation of antioxidant enzymes including superoxide dismutase (SOD), catalase, glutathione peroxidase (GPx), and total glutathione (GSH) in rutin pretreated cells compared to cells incubated with 6-OHDA alone. Rutin significantly reduced lipid peroxidation in 6-OHDA-induced PC-12 cells. On the basis of these observations, it was concluded that the bioflavonoid rutin inhibited 6-OHDA-induced neurotoxicity in PC-12 cells by improving antioxidant enzyme levels and inhibiting lipid peroxidation.

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July 2013
Volume 32 Issue 1

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Online ISSN:1791-244X

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Copy and paste a formatted citation
APA
Magalingam, K.B., Radhakrishnan, A., & Haleagrahara, N. (2013). Rutin, a bioflavonoid antioxidant protects rat pheochromocytoma (PC-12) cells against 6-hydroxydopamine (6-OHDA)-induced neurotoxicity. International Journal of Molecular Medicine, 32, 235-240. https://doi.org/10.3892/ijmm.2013.1375
MLA
Magalingam, K. B., Radhakrishnan, A., Haleagrahara, N."Rutin, a bioflavonoid antioxidant protects rat pheochromocytoma (PC-12) cells against 6-hydroxydopamine (6-OHDA)-induced neurotoxicity". International Journal of Molecular Medicine 32.1 (2013): 235-240.
Chicago
Magalingam, K. B., Radhakrishnan, A., Haleagrahara, N."Rutin, a bioflavonoid antioxidant protects rat pheochromocytoma (PC-12) cells against 6-hydroxydopamine (6-OHDA)-induced neurotoxicity". International Journal of Molecular Medicine 32, no. 1 (2013): 235-240. https://doi.org/10.3892/ijmm.2013.1375