JOURNAL ARTICLE

[Neuro-protective effect of Naomaitong to inflammatory cascade response after focal cerebral ischemia reperfusion in aged rats]

Jian-Sheng Li, Jian-Feng Gao, You-Long Zhou, Ke Liu
Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica 2006, 31 (21): 1804-7
17260799

OBJECTIVE: To study the protective effect of Naomaitong on inflammatory cascade response after focal cerebral ischemia reperfusion in aged rats.

METHOD: We duplicated focal cerebral ischemia model with MCAO, with ischemia 3 h and I/R 1, 3, 6, 12 d points. The effect of Naomaitong on the nervous dysfunction score, the water content of cerebral constitution and the expression of TNF-alpha, VCAM-1, ICAM-1 and its mRNA were observed, and the group with nimodipine was as control.

RESULT: The nervous dysfunction score (I/R1, 3, 6 d), the water content of cerebral constitution (all the time points), the expression of TNF-alpha, VCAM-1 (I 3 h, I/R 1, 3, 6 d), ICAM-1 (I 3 h,I/R 1, 3, 6 d) and its Mrna (all the time points) in model group were higher than those of the sham-operated group; The nervous dysfunction score, the water content of cerebral constitution (I/R 3, 6, 12 d), the expression of TNF-alpha, VCAM-1 (I 3 h, I/R 1, 3 d), ICAM-1 and its mRNA (I 3 h, I/R 1, 3 d) in model group were decreased compared with that of model group. The nervous dysfunction score (I/R 6, 12 d), the expression of TNF-alpha, ICAM-1 (I/R 1d) and its mRNA (I/R 1, 3 d) in Naomaitong group were higher than that of Nimodipine group.

CONCLUSION: Naomaitong could protect brain cell from damage after focal cerebral ischemia reperfusion injury by inhibiting the expression of TNF-alpha, adhesion molecule.

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