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Therapeutic effect of korean red ginseng on inflammatory cytokines in rats with focal cerebral ischemia/reperfusion injury.

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Title: Therapeutic effect of korean red ginseng on inflammatory cytokines in rats with focal cerebral ischemia/reperfusion injury.
Authors: Lee JS (AUTHOR), Choi HS (AUTHOR), Kang SW (AUTHOR), Chung J (AUTHOR), Park HK (AUTHOR), Ban JY (AUTHOR), Kwon OY (AUTHOR), Hong HP (AUTHOR), Ko YG (AUTHOR)
Source: American Journal of Chinese Medicine. 2011, Vol. 39 Issue 1, p83-94. 12p.
Subjects: Therapeutic use of ginseng, Neuroprotective agents, Reperfusion injury, T-test (Statistics), Research funding, Enzyme-linked immunosorbent assay, Questionnaires, Rats, Animal experimentation, Analysis of variance, Ginseng, Cerebral ischemia, Cytokines, Data analysis software, Cerebral circulation, Tumor necrosis factors, Interleukins, Disease complications
Abstract: This study aims to identify the therapeutic effect of Korean red ginseng (KRG) on the expression of inflammatory cytokines in rats with focal cerebral ischemia/reperfusion injury. Adult male Sprague-Dawley rats were subjected to transient middle cerebral artery occlusion (tMCAO) for two hours. They were fed KRG extract (100 mg/kg/day per orally) or saline after reperfusion. Tests for neurological deficits, using the modified neurologic severity score and the corner turn test, were performed before the ischemic event, and one, three, and seven days after tMCAO. Serum levels of cytokines were measured three and seven days after the operation, using enzyme-linked immunosorbent assays. The infarct volume was assessed after seven days by staining brain tissue with 2% 2, 3, 5-triphenyltetrazolium chloride. Oral administration of KRG significantly reduced the infarct volumes and rapidly improved neurological deficits. Serum levels of tumor necrosis factor-alpha (TNF-α), interleukin-1 beta (IL-1β), and IL-6 were higher in tMCAO-operated rats than in the sham-operated rats. These changes were attenuated by daily KRG intake for seven days. Serum IL-10 levels were significantly increased in KRG-fed rats, as compared to sham-operated and saline-fed rats. Our results suggested that KRG provides neuroprotection for rats with focal cerebral ischemia/reperfusion injury. This neuroprotection may be due to raised IL-10 expression and a reduction in the serum levels of TNF-α, IL-1β, and IL-6. [ABSTRACT FROM AUTHOR]
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Database: Psychology and Behavioral Sciences Collection
Description
Abstract:This study aims to identify the therapeutic effect of Korean red ginseng (KRG) on the expression of inflammatory cytokines in rats with focal cerebral ischemia/reperfusion injury. Adult male Sprague-Dawley rats were subjected to transient middle cerebral artery occlusion (tMCAO) for two hours. They were fed KRG extract (100 mg/kg/day per orally) or saline after reperfusion. Tests for neurological deficits, using the modified neurologic severity score and the corner turn test, were performed before the ischemic event, and one, three, and seven days after tMCAO. Serum levels of cytokines were measured three and seven days after the operation, using enzyme-linked immunosorbent assays. The infarct volume was assessed after seven days by staining brain tissue with 2% 2, 3, 5-triphenyltetrazolium chloride. Oral administration of KRG significantly reduced the infarct volumes and rapidly improved neurological deficits. Serum levels of tumor necrosis factor-alpha (TNF-α), interleukin-1 beta (IL-1β), and IL-6 were higher in tMCAO-operated rats than in the sham-operated rats. These changes were attenuated by daily KRG intake for seven days. Serum IL-10 levels were significantly increased in KRG-fed rats, as compared to sham-operated and saline-fed rats. Our results suggested that KRG provides neuroprotection for rats with focal cerebral ischemia/reperfusion injury. This neuroprotection may be due to raised IL-10 expression and a reduction in the serum levels of TNF-α, IL-1β, and IL-6. [ABSTRACT FROM AUTHOR]
ISSN:0192415X
DOI:10.1142/s0192415x1100866x