Abstract Title:

[Effects of curcumin on the expression of nuclear factor-kappaB and intercellular adhesion molecular 1 in rats with cerebral ischemia-reperfusion injury].

Abstract Source:

Nan Fang Yi Ke Da Xue Xue Bao. 2009 Jun;29(6):1153-5. PMID: 19726347

Abstract Author(s):

Rong Zhuang, Meng-Xiang Lin, Qiu-Ying Song, Jun Li

Article Affiliation:

Department of Intensive Care Unit, Second Affiliated Hospital of Wenzhou Medical College, Wenzhou, China. zrong0576@126.com

Abstract:

OBJECTIVE: To investigate the effects of curcumin on the expression of nuclear factor-kappaB (NF-kappaB) and intercellular adhesion molecular 1 (ICAM-1) in rats with cerebral ischemia-reperfusion (IR) injury.

METHODS: A total of 160 SD rats were randomized equally into sham-operated group, IR model group, curcumin treatment group and solvent control group. Global cerebral ischemia/reperfusion injury was induced in the latter 3 groups with subsequent corresponding treatment. At 6 h and 1, 3, and 7 days after the injury, 10 rats from each group were sacrificed, and brain sections were prepare for HE staining, immunohistochemical staining for NF-kappaB, and enzyme-linked immunosorbent assay for ICAM-1 expression.

RESULTS: In the IR model group, the contour of the pyramidal cells in hippocampal CA1 region was almost indistinguishable after the injury, whereas more than 70% of the pyramidal cells retained distinct cell contour and nuclear boundary in curcumin treatment group. At 6 h and 1, 3, and 7 days after the IR injury, the expression of NF-kappaB in curcumin treatment group showed significantly reduction in comparison with that in the IR model and solvent control groups (P<0.05), and the content of ICAM-1 protein was also reduced, which was especially obvious at 1 and 3 days (P<0.05).

CONCLUSION: Curcumin can ameliorate cerebral pathological changes in the event of IR injury by suppressing the expressions of NF-kappaB and ICAM-1.

Study Type : Animal Study

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