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Antioxidant effects of Dendropanax morbifera Léveille extract in the hippocampus of mercury-exposed rats

Cited 32 time in Web of Science Cited 35 time in Scopus
Authors
Kim, Woosuk; Kim, Dae Won; Yoo, Dae Young; Jung, Hyo Young; Kim, Jong Whi; Kim, Dong-Woo; Choi, Jung Hoon; Moon, Seung Myung; Yoon, Yeo Sung; Hwang, In Koo
Issue Date
2015-07-23
Publisher
BioMed Central
Citation
BMC Complementary and Alternative Medicine, 15(1):247
Keywords
Dendropanax morbifera extractMercuryHippocampusReactive oxygen speciesProtein 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 5 μg/kg dimethylmercury and/or oral Dendropanax morbifera Léveille leaf extract (100 mg/kg) for 4 weeks. Animals were sacrificed 2 h 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
URI
https://hdl.handle.net/10371/100440
DOI
https://doi.org/10.1186/s12906-015-0786-1
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College of Veterinary Medicine (수의과대학)Dept. of Veterinary Medicine (수의학과)Journal Papers (저널논문_수의학과)
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