Abstract

To evaluate the possibility of employing ligustrazine in the prevention of restenosis, the effects of ligustrazine on the intimal thickening of air-injured carotid artery of rats were investigated, and the effects of ligustrazine on the proliferation of rabbit aortic median smooth muscle cells (SMCs) cultivated in vitro were examined. Artery injury model of 18 rats of about 3 months old was established by Fishman air-dry method. Fourteen days after operation, the maximal artery intimal and medial thickness of the control and ligustrazine group was measured on the image analysis system. Using cell counting and thymidine (3H-TdR) up-take method, we also examined the effects of ligustrazine on the proliferation of aortic median SMC from 4 rabbits. Ligustrazine was found to inhibit the proliferation and 3H-TdR up-take of SMC in a dose-dependent manner in vitro (P < 0.05 or P < 0.01 vs control). It also inhibited the intimal thickening of rat arteries after deendothelialization. The maximal intimal thickness of ligustrazine group was much thinner than that of the control (35.9 +/- 3.8 microns vs 80.2 +/- 23.4 microns, P < 0.01). It was showed that ligustrazine could be used for prevention of restenosis in clinical practice.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.