The aim of this study is to investigate anti-stress effect of Scutellaria baicalensis(SB). The experiments were performed with the use of young (9 weeks of age) male rats of SD strain and the male ICR mice (20-25 g) at the time of first treatment with SB. Animals of the normal group were not exposed to any stress and the control group were exposed to stress. The rats of the Ginseng, Diazepam(BZ) and SB supplementary group were orally administered once a day 100 mg of red ginseng extract, 5 mg of BZ or 100 mg of SB extract/kg body weight and they were exposed to stress. The mice of the Ginseng, BZ and SB supplementary group were given water containing 200 mg of red ginseng extract, 10 mg of BZ or SB extract/100 ml potable water and exposed to stress. Animals were given supplements for 7 days without stress, and then were given supplement for 5 days with restraining and electroshock stress. We recorded stress related behavioral changes of the experimental animals by stressing them using the Etho-vision system and measured levels of blood corticosterone and IL-2. SB supplementation partially blocked the stress effect on locomotion in the rats and mice, and also partially blocked stress-induced behavioral changes such as freezing, burrowing, grooming, smelling, and rearing behavior in the rats and smelling, grooming, tailing, and rearing in the mice. in elevated plus maze test, the staying time of the stressed rats and mice in the open area decreased while it increased in the closed area. But these changes also partially were blocked by SB-supplementation. SB-supplementation decreased levels of the blood corticosterone which was increased by stress in the rats but did not significantly increase levels of blood interleukin 2 which was decreased by stress in mice.
Journal of the Korean Society of Food Science and Nutrition
/
v.42
no.8
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pp.1190-1196
/
2013
The purpose of this study was to investigate the mechanism and effects of different types of ginseng on memory improvement in an experimental rat model. In this study, SD rats were induced for memory deficits through scopolamine treatment (1 mg/kg, i.p.) then administrated with ginseng extract for 7 weeks. The rats were divided into five groups: saline (1 mL/kg, NC: negative control), white ginseng (300 mg/kg, WG), red ginseng (300 mg/kg, RG), black ginseng (300 mg/kg, BG), and scopolamine (1 mg/kg, PC: positive control). The step through latency of the BG and RG groups was significantly longer than the PC group in the retention trial of multiple trial passive avoidance test. In the spatial reference memory triads of the Morris water maze test, the latency time of BG and RG was significantly lower than the PC group. In addition, in the prove test, the time spent in the platform quadrant of BG and RG groups were significantly longer than the PC group. Brain choline acetyltransferase (ChAT) activities BG and RG groups significantly increased compared to other groups. On the other hand, the levels of malondialdehyde (MDA) were significantly lower in the BG and RG groups compared to other groups. These result suggested that black ginseng could be useful to enhance learning memory and cognitive function by regulation of cholinergic enzymes.
Objectives : Cheongnoemyeongsin-hwan (CNMSH) is a herb medicine to treat cognitive impairment. This study was investigated the effects of CNMSH on learning and memory impairment induced by cerebral hypoperfusion. Cerebral hypoperfusion was produced chronically by permanent bilateral common carotid artery occlusion (BCCAO) in rats. Methods : CNMSH was administered orally once a day (250 mg/kg) for 28 days starting at 4th week after the BCCAO. The acquisition of learning and the retention of memory were tested on 9th week after the BCCAO using the Morris water maze. In addition, effect of CNMSH on neuronal apoptosis and ${\beta}-amyloid$ accumulation in the hippocmapus was evaluated with immunohistochemistry and Western blotting. Results : 1. CNMSH and ChAL significantly shortened the escape latencies on the 2nd day of acquisition training trials. 2. ChAL significantly prolonged the swimming time spent in the target and peri-target zones and CNMSH also significantly prolonged the swimming time spent in the peri-target zone. 3. CNMSH and ChAL significantly increased the number of target heading in the retention test. 4. ChAL significantly shortened the time of the 1st target heading in the retention test, but CNMSH insignificantly shortened the time of that. 5. CNMSH and ChAL significantly increased the memory score in the retention test. 6. CNMSH and ChAL significantly attenuated the reduction of CA1 neurons, but insignificantly attenuated the reduction of CA1 thickness. 7. CNMSH and ChAL significantly attenuated the up-regulation of Bax expression in the CA1 of hippocampus. 8. CNMSH and ChAL significantly attenuated the up-regulation of cascapse-3 expression in the CA1 of hippocampus. 9. CNMSH and ChAL significantly attenuated the ${\beta}-amyloid$ accumulation in the CA1 of hippocampus. 10. CNMSH and ChAL significantly attenuated the up-regulation of APP expression in the CA1 of hippocampus. 11. CNMSH and ChAL significantly attenuated the up-regulation of BACE-1 expression in the CA1 of hippocampus. Conclusions : The results show that CNMSH attenuates neuronal apoptosis and ${\beta}-amyloid$ accumulation in the hippocampus and alleviates the impairment of learning and memory produced by chronic cerebral hypoperfusion. These results suggest that CNMSH may be a beneficial medicinal herb to treat cognitive impairment associated with neurodegenerative diseases.
Objective : This experiment was designed to investigate the effect of the GYZB hot water extract & ultra-fine powder on the Alzheimer's disease model induced by amyloid ${\beta}$ protein (${\beta}A$). Method : We measured the effects of the GYZB hot water extract on expression of $IL-1{\beta}$, IL-6 mRNA and production of IL-6, $TNF-{\alpha}$ in the BV2 microglial cell line treated with lipopolysaccharide (LPS). The effects of the GYZB hot water extract & ultra-fine powder on (1) the behavior, (2) expression of $IL-1{\beta}$ and $TNF-{\alpha}$, (3) glucose in serum, (4) the infarction area of the hippocampus, and brain tissue injury in mice induced with Alzheimer's diseased by ${\beta}A$ were investigated. Results : The GYZB hot water extract suppressed the expression of $IL-1{\beta}$ and IL-6 mRNA and significantly suppressed the production of IL-6 and $TNF-{\alpha}$ in the BV2 microglial cell line treated with LPS. The GYZB hot water extract & ultra-fine powder showed a significant inhibitory effect on the memory deficit of the mice with Alzheimer's disease induced by ${\beta}A$ in the Morris water maze experiment, which measured stop-through latency and distance movement-through latency. The GYZB ultra-fine powder significantly suppressed the expression of $IL-1{\beta}$ and $TNF-{\alpha}$ protein, and the GYZB hot water extract significantly suppressed the expression of $TNF-{\alpha}$ protein in the microglial cell of mice with Alzheimer's disease induced by ${\beta}A$. The GYZB hot water extract & ultra-fine powder reduced the infarction area of hippocampus in the mice with Alzheimer's disease induced by ${\beta}A$. Conclusions : These results suggest that GYZB hot water extract & ultra-fine powder may be effective for the prevention and treatment of Alzheimer's disease. Investigation into the clinical use of GYZB for Alzheimer's disease is suggested for future research.
The main pathological hallmark of Alzheimer's disease is the deposition of amyloid-beta ($A{\beta}$) peptides in the brain. $A{\beta}$ has been widely used to mimic several aspects of Alzheimer's disease. However, several characteristics of amyloid-induced Alzheimer's disease pathology are not well established, especially in mice. The present study aimed to develop a new Alzheimer's disease model by investigating how $A{\beta}$ can be effectively aggregated using prokaryotes and eukaryotes. To express the $A{\beta}42$ complex in HEK293 cells, we cloned the $A{\beta}42$ region in a tandem repeat and incorporated the resulting construct into a eukaryotic expression vector. Following transfection into HEK293 cells via lipofection, cell viability assay and western blotting analysis revealed that exogenous $A{\beta}42$ can induce cell death and apoptosis. In addition, recombinant His-tagged $A{\beta}42$ was successfully expressed in Escherichia coli BL21 (DE3) and not only readily formed $A{\beta}$ complexes, but also inhibited the proliferation of SH-SY5Y cells and E. coli. For in vivo testing, recombinant His-tagged $A{\beta}42$ solution ($3{\mu}g/{\mu}l$ in $1{\times}PBS$ containing $1mM\;Ni^{2+}$) was injected stereotaxically into the left and right lateral ventricles of the brains of C57BL/6J mice (n = 8). Control mice were injected with $1{\times}PBS$ containing $1mM\;Ni^{2+}$ following the same procedure. Ten days after the sample injection, the Morris water maze test confirmed that exogenous $A{\beta}$ caused an increase in memory loss. These findings demonstrated that $Ni^{2+}$ is capable of complexing the 50-kDa amyloid and that intracerebroventricular injection of $A{\beta}42$ can lead to cognitive impairment, thereby providing improved Alzheimer's disease models.
Seo, Gyoo-Tae;Lee, Eun-Kyung;Choi, Cheol-Hong;Chung, Dae-Kyoo
Journal of Oriental Neuropsychiatry
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v.18
no.2
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pp.101-132
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2007
Objective : This research investigates the effect of the NogYongDaeBoTang,(NYDBT) on Alzheimer's disease. Method : The effects of the NYDBT extract on (1) $IL-1{\beta}$, IL-6, and $TNF-{\alpha}$ mRNA of PC-12 cells treated with LPS; (2) acetylcholinesterase(AChE), amyloid precursor proteins(APP), and glial fibrillary acidic protein(GFAP) mRNA the AChE activity and the APP production of PC-12 cell treated with CT-105; (3) the behavior; (4) expression of $IL-1{\beta}$, $TNF-{\alpha}$, MDA, $IL-1{\beta}$ mRNA, and $TNF-{\alpha}$ mRNA; (5) the infarction area of the hippocampus, and brain tissue injury in Alzheimer‘s diseased mice induced with ${\beta}A$ were investigated. Results : 1. The NYDBT extract suppressed the expression of $IL-1{\beta}$, IL-6 and $TNF-{\alpha}$ mRNA in BV2 microglia cell line treated with LPS. 2. The NYDBT extract suppressed the expression of $IL-1{\beta}$, IL-6, and $TNF-{\alpha}$ protein production in BV2 microglia cell line treated with LPS. 3. For the NYDBT extract group a significant inhibitory effect on the memory deficit was shown for the mice with Alzheimer's disease induced by $A{\beta}$ in the Morris water maze experiment, which measured stop-through latency, and distance movement-through latency. 4. The NYDBT extract suppressed the over-expression of $IL-1{\beta}$ protein, $TNF-{\alpha}$ protein, MDA, and CD68/CD11b, in the mice with Alzheimer's disease induced by $A{\beta}$. 5. The NYDBT extract reduced the infarction area of hippocampus, and controlled the injury of brain tissue in the mice with Alzheimer's disease induced by $A{\beta}$. 6. The NYDBT extract reduced the Tau protein, GFAP protein, and presenilin1/2 protein (immunohistochemistry) of hippocampus in the mice with Alzheimer's disease induced by $A{\beta}$. Conclusions : These results suggest that the NYDBT extract may be effective for the prevention and treatment of Alzheimer's disease.
Objective: Hominis Placenta is used in many cure, mainly treats a weak, chronic disease, especially senile. This research investigates the effect of the Hominis Placenta Herbal-Acupuncture Solution on Alzheimer's disease. Method: The effects of the Hominis Placenta Herbal-Acupuncture Solution on (1) $IL-1{\beta}$ protein, $TNF-{\alpha}$ protein, MDA, and CD68/CD11b (2) the behavior (3) the infarction area of the hippocampus, and brain tissue injury in Alzheimer's diseased mice induced with 13A were investigated. Results: 1. For the Hominis Placenta Herbal-Acupuncture Solution group a significant inhibitory effect on the memory deficit was shown for the mice with Alzheimer's disease induced by ${\beta}$ A in the Morris water maze experiment, which measured stop-through latency, and distance movement-through latency. 2. The Hominis Placenta Herbal-Acupuncture Solution group suppressed the over-expression of $IL-1{\beta}$ protein, $TNF-{\alpha}$ protein, MDA, and CD68/CD11b, in the mice with Alzheimer's disease induced by ${\beta}A$. 3. The Hominis Placenta Herbal Acupuncture Solution group reduced the infarction area of hippocampus, and controlled the injury of brain tissue in the mice with Alzheimer's disease induced by ${\beta}A$. 4. The Hominis Placenta Herbal-Acupuncture Solution group reduced the Tau protein, GFAP protein, and presenilin1/2 protein, beta-secretase protein, (immunohistochemistry) of hippocampus in the mice with Alzheimer's disease induced by ${\beta}A$. Conclusion: These results suggest that the Hominis Placenta Herbal-Acupuncture Solution group may be effective for the prevention and treatment of Alzheimer's disease. Investigation into the clinical use of the Hominis Placenta Herbal-Acupuncture Solution for Alzheimer's disease is suggested for future research.
Objective : This experiment was designed to investigate the effect of the CBD hot water extract & ultra-fine Powder on Alzheimer's Disease Model Induced by ${\beta}A$. Method : The effects of the CBD hot water extract on expression of interleukin-1 beta($IL-1{\beta}$), $TNF-{\alpha}$ mRNA and production of IL-6, $TNF-{\alpha}$ in BV2 microglial cell line treated by lipopolysacchaide(LPS). The effects of the CBD hot water extract & ultra-fine powder on (1) the behavior (2) expression of $IL-1{\beta}$, tumor necrosis factor-alpha($TNF-{\alpha}$), (3) the infarction area of the hippocampus in Alzheimer's diseased mice induced with ${\beta}A$ were investigated. Result : The CBD hot water extract suppressed the expression of $IL-1{\beta}$, $TNF-{\alpha}$ mRNA in BV2 microglia cell line treated with LPS. The CBD hot water extract significantly suppressed the production of $IL-1{\beta}$, $TNF-{\alpha}$ in BV2 microglial cell line treated with LPS. The CBD hot water extract & ultra-fine powder a significant inhibitory effect on the memory deficit was shown for the mice with Alzheimer's disease induced by ${\beta}A$ in the Morris water maze experiment, which measured step-through latency and distance movement-through latency. The CBD hot water extract & ultra-fine powder significantly suppressed the expression of $IL-l{\beta}$ and $TNF-{\alpha}$ protein in the microglial cell of mice with Alzheimer's disease induced by ${\beta}A$. The CBD hot water extract & ultra-fine powder suppressed the over-expression of AChE activity in the serum of the mice with Alzheimer's disease induced by ${\beta}A$. The CBD hot water extract & ultra-fine powder reduced infarction area of hippocampus, in the mice with Alzheimer's disease induced by ${\beta}A$. Conclusions : These results suggest that the CBD hot water extract & ultra-fine powder may be effective for the prevention and treatment of Alzheimer's disease. Investigation into the clinical use of the CBD hot water extract & ultra-fine powder for Alzheimer's disease is suggested for future research.
Journal of Physiology & Pathology in Korean Medicine
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v.22
no.5
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pp.1178-1191
/
2008
This experiment was designed to investigate the effect of the SSJHT hot water extract & ultra-fine Powder on Alzheimer's Disease Model Induced by ${\beta}A$. The effects of the SSJHT hot water extract on expression of IL-1RA, $IL-1{\beta}$$, IL-6, IL-10, $TNF-{\alpha}$, NOS-II, COX-2 mRNA and production of $IL-1{\beta}$, IL-6, $TNF-{\alpha}$ in BV2 microglial cell line treated by lipopolysacchaide(LPS). The effects of the SSJHT hot water extract & ultra-fine powder on (1) the behavior (2) expression of $IL-1{\beta}$, $TNF-{\alpha}$, MDA, CD68, CD11b and AChE (3) and the infarction area of the hippocampus in Alzheimer's diseased mice induced with ${\beta}A$ were investigated. The SSJHT hot water extract suppressed the expression of $IL-1{\beta}$, IL-6 and $TNF-{\alpha}$, NOS-II, COX-2 mRNA and increased IL-1RA, IL-10 in BV2 microglia cell line treated with LPS. The SSJHT hot water extract suppressed the production of $IL-1{\beta}$, IL-6, $TNF-{\alpha}$ significantly in BV2 microglial cell line treated with LPS. The SSJHT hot water extract & ultra-fine powder a significant inhibitory effect on the memory deficit was shown for the mice with Alzheimer's disease induced by ${\beta}A$ in the Morris water maze experiment, which measured step-through latency. The SSJHT hot water extract & ultra-fine powder suppressed the expression of $TNF-{\alpha}$$, $L-1{\beta}$ protein significantly in the microglial cell of mice with Alzheimer's disease induced by ${\beta}A$. The SSJHT hot water extract & ultra-fine powder reduced the MDA and suppressed the over-expression of CD68, CD11b in the mice with Alzheimer's disease induced by ${\beta}A$. The SSJHT hot water extract & ultra-fine powder significantly decreased AChE activity in the serum of the mice with Alzheimer's disease induced by ${\beta}A$. The SSJHT hot water extract & ultra-fine powder reduced infarction area of hippocampus. and controlled the injury of brain tissue in the mice with Alzheimer's disease induced by ${\beta}A$. The results suggest that the SSJHT hot water extract & ultra-fine powder may be effective for treatment of Alzheimer's disease. Investigation into the clinical use of the SSJHT hot water extract & ultra-fine powder for Alzheimer's disease is suggested for future research.
Objectives: The object of this study is to observe the cognition and motor function recovery effects of Joojakwhan (JJW), a traditional Korean poly-herbal formula for treating various neuropsychiatric diseases such as dementia, for the mildly stroke rats, with 60 minutes of reperfusion transient middle cerebral artery occlusion (tMCAO). Methods: In the present study, 125, 250 and 500 mg/kg of JJW were orally administered, once per day for 10 continuous days 2 hours after the tMCAO. The body weight changes, infarct sizes under 2% 2, 3, 5-triphenyl tetrazolium chloride (TTC) stain, sensorimotor functions and cognitive motor behavior tests were serially monitored with cerebral caspase-3 and cleaved poly (ADP-ribose) polymerase (PARP)-immunoreactivities and histopathological changes. The effects of tMCAO on sensorimotor functions were evaluated by using of limb placing and body-swing tests, and the cognitive motor behaviors were also observed with water maze tests. Results: From the results of tMCAO, with marked decreases of body weights, disorders of sensorimotor functions increases the limb placing test scores, and decrease the numbers and percentages of body swings to the ipsilateral sides. The cognitive motor behaviors increases the distances and time to reach the escape platform which included the inhibitions of the decreases with repeated trials that were observed with focal cerebral cortex infarct volumes. In addition, the marked increases of the atrophy, numbers of degeneration, caspase-3- and PARP-immunoreactive cells around peri-infarct ipsilateral cerebral cortex were also observed in tMCAO controls when compared with the sham control rats, respectively. Conclusions: The results obtained from this study suggest that oral administrations of JJW indicate obvious cognitions and motor function recoveries of the rats with tMCAO, mild strokes, which are mediated by neuro-protective effects through known antioxidant effects of components.
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