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活脉饮对实验性兔动脉粥样硬化病变中胶原及基质金属蛋白酶1的影响 被引量:1

Effects of Huomai Yin on Collagen and Matrixmetalloproteinase-1 of Atherosclerosis in Rabbits
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摘要 目的研究活脉饮对动脉粥样硬化的治疗作用。方法建立兔动脉粥样硬化模型,观察活脉饮治疗后动脉粥样硬化斑块的范围、斑块内胶原含量和基质金属蛋白酶1表达的变化,并与单纯高脂组和辛伐他汀组比较。结果活脉饮高剂量组(每天12 g/kg)斑块范围较单纯高脂组明显减小(P<0.01),与辛伐他汀组比较差异无显著性(P>0.05),活脉饮低剂量组(每天6 g/kg)与单纯高脂组相比无明显差异(P>0.05)。胶原含量活脉饮高、低剂量组均较单纯高脂组减少(P<0.01,P<0.05),高剂量组与辛伐他汀组比较差异无显著性(P>0.05),低剂量组胶原含量较辛伐他汀组高(P<0.05)。基质金属蛋白酶1的表达活脉饮高剂量组与辛伐他汀组比较差异无显著性,较单纯高脂组明显增多(P<0.01),低剂量组与高脂组差异无显著性(P>0.05)。结论活脉饮呈剂量依赖性抗兔动脉粥样硬化,其机制之一可能是通过增强基质属蛋白酶的表达、减少斑块内胶原的聚集而发挥作用。 Aim To study the effect of Huomai Yin on atherosclerosis. Methods The experimental model of atherosclerosis in rabbits was established by endothelial injury by balloon and hyper-lipid feed. The atheroslerosis plaque area, collagen and matrixmetalloproteinase-1 differences between groups were evaluated at the end of the study. Results At the end of 8 weeks after endothelial injury by balloon, the plaque area in Huomai Yin highdose group(every day 12 g/kg) was smaller than that in hyper lipid group( P 〈 0.01 ) ; compared with simvastafin group, the plaque area in highdose group was larger, but the difference wasn't significant( P〉 0.05); compared with hyper lipid group, the plaque area in lowdose group(every day 6 g/kg) wasn' t significantly smaller( P 〉 0.05 ). Collagen was reduced in highdose group and lowdose group than in hyper lipid group( P 〈0.01, P〈0.05). Collagen wasn't significantly different between highdose group and simvastatin group (P〉0.05), but collagen in lowdose group was more than simvastatin group ( P 〈 0. 05 ). The express of matrixmetalloproteinase- 1 in highdose group and simvastatin group wasn't significantly different( P 〉 0.05), but was higher than that in hyper lipid group( P 〈 0.01). Condusions Huomai Yin has therapeutic effect on atheroselerosis in rabbit. Huomai Yin could modulate the express of 1 and decrease collagen accumulation in the atherosclerosis plaque
出处 《中国动脉硬化杂志》 CAS CSCD 2006年第2期115-118,共4页 Chinese Journal of Arteriosclerosis
基金 辽宁省自然科学基金(20042079)
关键词 内科学 活脉饮抗动脉粥样硬化 免疫组织化学 细胞外基质 胶原 基质金属蛋白酶 Huomai Yin Atherosclerosis Extracellular Matrix Collagen Matrixmetalloproteinase-1 Rabbit
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