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[Effects of Zhikeping on aortic oxyradical and the expression of ICAM-1 in a rat model of experimental early atherosclerosis].

OBJECTIVE
To investigate the effects of Zhikepingon the oxyradical andintercellular adhesion molecule-1 (ICAM-1) of experimental early atherosclerosis.


METHOD
The model of SD rat early atherosclerosis was induced by cholesterol diet. The suspension of Zhikeping and simvastatin were administered intragastrically, respectively. After 10 weeks, the serum lipids, superoxide dismutase (SOD) and maleic dialdehyde (MDA) were detected by automatic biochemistry analyzer. ICAM-1 and its expression of mRNA in aortic wall were detected- by immunohistochemistry and RT-PCR, respectively. Aortic histomorphology was cbserved by HE stainning.


RESULT
The results showed that the serum lipids, superoxide dismutase (SOD) and maleic dialdehyde (MDA) of treated groups were obviously improved as compared with those of the control group. The tissue pathological damage was improved indifferent degree, and ICAM-1 and its expression of mRNA was decreased obviously.


CONCLUSION
It is suggested the mechanism of anti-atherosclerosis of Zhikeping have close relationship with the function of its anti-oxidizing and anti-adhesiveness that can protect aortic endothelial cell.