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Effects of local applied slow-releasing triptolide on proliferation and apoptosis of VSMCs of the vein graft / 重庆医科大学学报
Journal of Chongqing Medical University ; (12)2003.
Article in Chinese | WPRIM | ID: wpr-578301
ABSTRACT

Objectives:

To investigate the effect and mechanism of adventitia applied slow-releasing triptolide on proliferation and apoptosis of VSMCs of the autologous vein graft.

Methods:

Twenty-four healthy rabbits were made external jugular vein to common carotid artery models and then were divided into 3 equal groups at randomBlank-control group received no management on adventitia of the vein graft;F-127 pluronic gel control group received local application of 0.5 ml 20% F-127 pluronic gel containing 0.1ml DMSO on adventitia;and experimental group received local application of 0.5 ml F-127 pluronic gel containing triptolide 300?g on adventitia. Vein graft samples were harvested at 2 weeks after the operation. Histomorphologic methods were used to detect the degree of intima hyperplasia of the samples. The expressions of proliferating cell nuclear antigen(PCNA) and bcl-2 of the samples were detected by immunohistochemistry. The apoptosis of vascular smooth muscle cells(VSMC) was detected by TUNEL.

Results:

Two weeks after vein grafting, compared with blank-control group and F-127 control group,intima hyperplasia was markedly inhibited by applying triptolide 300?g on adventitia(P

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Chongqing Medical University Year: 2003 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Chongqing Medical University Year: 2003 Type: Article