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Antioxidant effects of Dendropanax morbifera Léveille extract in the hippocampus of mercury-exposed rats
Cited 36 time in
Web of Science
Cited 41 time in Scopus
- Authors
- Issue Date
- 2015-07-23
- Publisher
- BioMed Central
- Citation
- BMC Complementary and Alternative Medicine, 15(1):247
- Keywords
- Dendropanax morbifera extract ; Mercury ; Hippocampus ; Reactive oxygen species ; Protein modification
- Description
- This is an Open Access article distributed under the terms of the Creative Commons Attribution License
(http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium,
provided the original work is properly credited.
- Abstract
- Abstract
Background
Dendropanax morbifera Léveille has been employed for the treatment of infectious diseases using folk medicine. In this study, we evaluated the antioxidant effects of a leaf extract of Dendropanax morbifera Léveille in the hippocampus of mercury-exposed rats.
Methods
Seven-week-old Sprague–Dawley rats received a daily intraperitoneal injection of 5μg/kg dimethylmercury and/or oral Dendropanax morbifera Léveille leaf extract (100mg/kg) for 4weeks. Animals were sacrificed 2h after the last dimethylmercury and/or leaf extract treatment. Mercury levels were measured in homogenates of hippocampal tissue, a brain region that is vulnerable to mercury toxicity. In addition, we measured reactive oxygen species production, lipid peroxidation levels, and antioxidant levels in these hippocampal homogenates.
Results
Treatment with Dendropanax morbifera Léveille leaf extract significantly reduced mercury levels in hippocampal homogenates and attenuated the dimethylmercury-induced increase in the production of reactive oxygen species and formation of malondialdehyde. In addition, this leaf extract treatment significantly reversed the dimethylmercury-induced reduction in the hippocampal activities of Cu, Zn-superoxide dismutase, catalase, glutathione peroxidase, and glutathione-S-transferase.
Conclusion
These results suggest that a leaf extract of Dendropanax morbifera Léveille had strong antioxidant effects in the hippocampus of mercury-exposed rats.
- Language
- English
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