FOLLOWUS
Effects of the hydro-alcoholic extract of Nigella sativa on scopolamine-induced spatial memory impairment in rats and its possible mechanism
- Chinese Journal of Integrative Medicine Vol. 21, Issue 6, Pages: 438-444(2015)
- Affiliations：
1. Neurogenic Inflammation Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad,Iran
2. Pharmacological Research Center of Medicinal Plants, School of Medicine, Mashhad University of Medical Sciences, Mashhad,Iran
3. Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad,Iran
4. Neurocognitive Research Center and Department of Pharmacology, School of Medicine, Mashhad University of Medical Sciences, Mashhad,Iran
5. Department of Biochemistry, School of Medicine, Mashhad University of Medical Sciences, Mashhad,Iran
- Author bio：
- Funds：
DOI：10.1007/s11655-014-1742-5
CLC：Published：2015，
Published Online：2 March 2014，
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Hosseini, M., Mohammadpour, T., Karami, R. et al. Effects of the hydro-alcoholic extract of Nigella sativa on scopolamine-induced spatial memory impairment in rats and its possible mechanism., Chin. J. Integr. Med. 21, 438–444 (2015). https://doi.org/10.1007/s11655-014-1742-5
Mahmoud Hosseini, Toktam Mohammadpour, Reza Karami, et al. Effects of the hydro-alcoholic extract of Nigella sativa on scopolamine-induced spatial memory impairment in rats and its possible mechanism. [J]. Chinese Journal of Integrative Medicine 21(6):438-444(2015)
Hosseini, M., Mohammadpour, T., Karami, R. et al. Effects of the hydro-alcoholic extract of Nigella sativa on scopolamine-induced spatial memory impairment in rats and its possible mechanism., Chin. J. Integr. Med. 21, 438–444 (2015). https://doi.org/10.1007/s11655-014-1742-5 DOI：
Mahmoud Hosseini, Toktam Mohammadpour, Reza Karami, et al. Effects of the hydro-alcoholic extract of Nigella sativa on scopolamine-induced spatial memory impairment in rats and its possible mechanism. [J]. Chinese Journal of Integrative Medicine 21(6):438-444(2015) DOI： 10.1007/s11655-014-1742-5.
摘要
To evaluate the effect of Nigella sativa (NS) extract on memory performance and its possible mechanisms in scopolamine (Sco)-induced spatial memory impairment model using Morris water maze test. Thirty-two male Wistar rats were randomly divided into four groups. The control group received saline instead of both NS extract and Sco. The Sco group was treated by saline for two weeks
and was injected by Sco (2 mg/kg
intraperitoneally) 30 min before each trail in Morris water maze test. Sco+NS 200 and Sco+NS 400 groups were daily treated by 200 or 400 mg/kg of NS (intraperitoneally) for two weeks
respectively
and were finally injected by Sco 30 min before Morris water maze test. The brains of animals were removed to determine the acetylcholinesterase (AChE) activity and oxidative stress criteria in cortical tissues. Time latency and path length in the Sco group were significantly higher than in the control group (P<0.01)
while the Sco+NS 400 group showed a significantly shorter traveled path length and time latency compared with the Sco group (P<0.01). AChE activity in the cortical tissues of the Sco group was significantly higher than the control group (P<0.01)
while AChE activity in the Sco+NS 200 and Sco+NS 400 groups was lower than the Sco group (P<0.01). Following Sco administration
malondialdehyde (MDA) concentrations were increased (P<0.01) in comparison with the control group
while cortical total thiol content decreased (P<0.01). Pretreatment with extracts caused a significant elevation in cortical total thiol content (P<0.01) and reduction in cortical MDA concentration (P<0.01) compared with the Sco group. Hydro-alcoholic extract of NS prevents Sco-induced spatial memory deficits and decreases the AChE activity as well as oxidative stress of brain tissues in rats. Our results support the traditional belief about the beneficial effects of NS in nervous system. Moreover
further investigations are needed for better understanding of this protective effect.
Abstract
To evaluate the effect of Nigella sativa (NS) extract on memory performance and its possible mechanisms in scopolamine (Sco)-induced spatial memory impairment model using Morris water maze test. Thirty-two male Wistar rats were randomly divided into four groups. The control group received saline instead of both NS extract and Sco. The Sco group was treated by saline for two weeks
and was injected by Sco (2 mg/kg
intraperitoneally) 30 min before each trail in Morris water maze test. Sco+NS 200 and Sco+NS 400 groups were daily treated by 200 or 400 mg/kg of NS (intraperitoneally) for two weeks
respectively
and were finally injected by Sco 30 min before Morris water maze test. The brains of animals were removed to determine the acetylcholinesterase (AChE) activity and oxidative stress criteria in cortical tissues. Time latency and path length in the Sco group were significantly higher than in the control group (P<0.01)
while the Sco+NS 400 group showed a significantly shorter traveled path length and time latency compared with the Sco group (P<0.01). AChE activity in the cortical tissues of the Sco group was significantly higher than the control group (P<0.01)
while AChE activity in the Sco+NS 200 and Sco+NS 400 groups was lower than the Sco group (P<0.01). Following Sco administration
malondialdehyde (MDA) concentrations were increased (P<0.01) in comparison with the control group
while cortical total thiol content decreased (P<0.01). Pretreatment with extracts caused a significant elevation in cortical total thiol content (P<0.01) and reduction in cortical MDA concentration (P<0.01) compared with the Sco group. Hydro-alcoholic extract of NS prevents Sco-induced spatial memory deficits and decreases the AChE activity as well as oxidative stress of brain tissues in rats. Our results support the traditional belief about the beneficial effects of NS in nervous system. Moreover
further investigations are needed for better understanding of this protective effect.
关键词
Nigella sativaspatialmemoryMorris water mazeoxidative stress
Keywords
Nigella sativaspatialmemoryMorris water mazeoxidative stress
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