OBJECTIVE:To observe the effect of Kaiqiao Huazhuo prescription on the content of Matrix metallopro teinases-9(MMP-9)in brain of focal cerebral ischemia rats.METHODS:The model of focal cerebral ischemia was establishe...OBJECTIVE:To observe the effect of Kaiqiao Huazhuo prescription on the content of Matrix metallopro teinases-9(MMP-9)in brain of focal cerebral ischemia rats.METHODS:The model of focal cerebral ischemia was established by inserting nylon thread,the effect of Kaiqiao Huazhuo prescription on brain edema and the content of MMP-9 in brain of focal cerebral ischemia rats were observed 6 h,12 h,24 h and 48 h after cerebral ischemia respectively and was compared with effect of Buchangnaoxintong.RESULTS:6 h after cerebral ischemia,compared with sham operation group,the content of MMP-9 in brain increased,and it reached peak value in 24 h(P<0.01);the change of brain edema is similar to that of MMP-9.Compared with model group,the content of MMP-9 in brain and the brain edema of each treatment groups were decreased(P<0.05 or P<0.01).CONCLUSIONS:Through decreasing the content of MMP-9 in brain of focal cerebral ischemia rats,Kaiqiao Huazhuo prescription could protect blood brain barrier and reduce brain edema.展开更多
文摘OBJECTIVE:To observe the effect of Kaiqiao Huazhuo prescription on the content of Matrix metallopro teinases-9(MMP-9)in brain of focal cerebral ischemia rats.METHODS:The model of focal cerebral ischemia was established by inserting nylon thread,the effect of Kaiqiao Huazhuo prescription on brain edema and the content of MMP-9 in brain of focal cerebral ischemia rats were observed 6 h,12 h,24 h and 48 h after cerebral ischemia respectively and was compared with effect of Buchangnaoxintong.RESULTS:6 h after cerebral ischemia,compared with sham operation group,the content of MMP-9 in brain increased,and it reached peak value in 24 h(P<0.01);the change of brain edema is similar to that of MMP-9.Compared with model group,the content of MMP-9 in brain and the brain edema of each treatment groups were decreased(P<0.05 or P<0.01).CONCLUSIONS:Through decreasing the content of MMP-9 in brain of focal cerebral ischemia rats,Kaiqiao Huazhuo prescription could protect blood brain barrier and reduce brain edema.