OBJECTIVE:To observe the effects of different doses of Wenxiao Ⅱ Decoction on the expression of monocyte chemoattractant protein-1(MCP-1) and vascular cell adhesion molecule-1(VCAM-1) in an experimental model of athe...OBJECTIVE:To observe the effects of different doses of Wenxiao Ⅱ Decoction on the expression of monocyte chemoattractant protein-1(MCP-1) and vascular cell adhesion molecule-1(VCAM-1) in an experimental model of atherosclerosis in rabbits and to explore the mechanism by which it alleviates atherosclerosis.METHODS:Sixty 3-4 month-old New Zealand rabbits of both sexes were randomly divided into six groups:simvastain;model;blank;and high-dose,mid-dose,and low-dose Wenxiao Ⅱ Decoction groups.Except for those in the blank group,all rabbits were fed a high-cholesterol diet.Carotid atherosclerosis was established by balloon-induced injury to the endothelium of the carotid artery in conjunction with consumption of a high-cholesterol diet.After 8 weeks,all rabbits were killed to evaluate the expression of MCP-1 and VCAM-1 by immunohistochemical staining.RESULTS:Expressions of MCP-1 and VCAM-1 were significantly decreased in all groups except the blank group compared with the model group(P<0.05).When compared with the simvastain group only variation of MCP-1 expression in low-dose group was not appreciable,and the differences were indistinct(P<0.05).When comparing among Wenxiao Ⅱ Decoction groups,MCP-1 expression in the mid-and high-dose groups was significantly lower than that seen in the low-dose group(P<0.01),but there were no differences among three dosage groups with respect to VCAM-1 expression(P>0.05).CONCLUSION:These data suggested that high,mid,and low doses of Wenxiao Ⅱ Decoction can inhibit the expression of MCP-1 and VCAM-1,which may prevent the formation of or stabilize atherosclerotic plaques.There may be a direct relationship between the dosage of Wenxiao Ⅱ Decoction and its therapeutic efficacy.展开更多
Objective： To observe the effects of different doses of Wenxiao Decoction （稳消方） on the expression of interleukin-6 （IL-6）, intercellular adhesion molecule-1 （ICAM-1）, and monocyte chemoattractant protein-1 ...Objective： To observe the effects of different doses of Wenxiao Decoction （稳消方） on the expression of interleukin-6 （IL-6）, intercellular adhesion molecule-1 （ICAM-1）, and monocyte chemoattractant protein-1 （MCP-1） in experimental atherosclerotic rabbits and to explore the mechanism by which it alleviates atherosclerosis. Methods： Sixty New Zealand rabbits were randomly divided into six groups： a blank group, a model group, a Simvastatin group, and high-, medium-, and low-dosage Wenxiao Decoction groups. Except for those in the blank group, all rabbits were fed with a high-cholesterol diet. Carotid atherosclerosis was established by balloon-induced carotid artery endothelium injury in conjunction with the high-cholesterol diet. After 8 weeks, all animals were euthanized to evaluate levels of IL-6 and ICAM-1 expressions （by enzyme linked immunosorbent assay） and of MCP-1 （by immunohistochemistry staining）. Results： The expressions of IL-6, ICAM-1, and MCP-1 were significantly increased in all groups except the blank group （P〈0.05）. However, the rabbits in the Wenxiao Decoction groups and the Simvastatin group showed significantly lower levels of IL-6, ICAM-1, and MCP-1 expression than those in the model group （P〈0.05）. The expressions of IL-6, ICAM-1, and MCP-1 in the high- dosage Wenxiao Decoction group and the Simvastatin group were lower than those in the low-dosage Wenxiao Decoction group （P〈0.05）. The expression of MCP-1 in medium-dosage Wenxiao Decoction group was lower than that in the low-dosage group （P〈0.05）. Conclusions： High, medium, and low doses of Wenxiao Decoction can inhibit the expressions of IL-6, ICAM-1, and MCP-1, which may prevent and stabilize atherosclerotic plaques. There may be a direct relationship between dosage and therapeutic efficacy of Wenxiao Decoction.展开更多
目的:观察稳消II方对动脉粥样硬化模型兔脂质代谢的影响,探讨其防治动脉粥样硬化的作用机制。方法:将38只健康新西兰大白兔随机分为空白组9只和造模组29只。空白组予标准饲料,造模组予高脂饲料喂养8周,第8周末随机处死2只。造模成功后...目的:观察稳消II方对动脉粥样硬化模型兔脂质代谢的影响,探讨其防治动脉粥样硬化的作用机制。方法:将38只健康新西兰大白兔随机分为空白组9只和造模组29只。空白组予标准饲料,造模组予高脂饲料喂养8周,第8周末随机处死2只。造模成功后随机分为稳消II方干预组(9只)、辛伐他汀对照组(9只)、模型对照组(9只),并改用标准饲料喂养。分别予相应药物灌胃干预8周[模型对照组与空白对照组均予生理盐水10 m L/(kg·d)]。分别于第0、8、16周末进行耳缘静脉采血,检测TC、TG、HDL-C、LDL-C、ALT、AST、Cr、BUN、UA、CK水平。结果:稳消II方干预组、辛伐他汀对照组TC、TG、LDL-C水平均低于模型对照组,HDL-C水平高于模型对照组,差异均有统计学意义(P<0.05)。稳消II方干预组、辛伐他汀对照组与空白对照组比较,TC、TG水平差异均无统计学意义(P>0.05);稳消II方干预组、辛伐他汀对照组LDL-C、HDL-C水平高于空白对照组,差异有统计学意义(P<0.05)。稳消II方干预组与辛伐他汀对照组比较,TC、TG、LDL-C、HDL-C水平差异均无统计学意义(P>0.05)。稳消II方组、辛伐他汀组干预前后自身对照比较,TC、LDL-C、TG水平均显著下降,HDL-C水平明显上升,差异均有统计学意义(P<0.05)。结论:稳消II方可降低动脉粥样硬化兔TC、TG、LDL-C,升高HDL-C水平,调节脂质代谢,改善和延缓动脉粥样硬化,且其对实验兔ALT、AST、Cr、BUN、UA、CK无不良影响。展开更多
基金Supported by Research Grant from the Health Bureau of Shanghai(No.2008J003A)
文摘OBJECTIVE:To observe the effects of different doses of Wenxiao Ⅱ Decoction on the expression of monocyte chemoattractant protein-1(MCP-1) and vascular cell adhesion molecule-1(VCAM-1) in an experimental model of atherosclerosis in rabbits and to explore the mechanism by which it alleviates atherosclerosis.METHODS:Sixty 3-4 month-old New Zealand rabbits of both sexes were randomly divided into six groups:simvastain;model;blank;and high-dose,mid-dose,and low-dose Wenxiao Ⅱ Decoction groups.Except for those in the blank group,all rabbits were fed a high-cholesterol diet.Carotid atherosclerosis was established by balloon-induced injury to the endothelium of the carotid artery in conjunction with consumption of a high-cholesterol diet.After 8 weeks,all rabbits were killed to evaluate the expression of MCP-1 and VCAM-1 by immunohistochemical staining.RESULTS:Expressions of MCP-1 and VCAM-1 were significantly decreased in all groups except the blank group compared with the model group(P<0.05).When compared with the simvastain group only variation of MCP-1 expression in low-dose group was not appreciable,and the differences were indistinct(P<0.05).When comparing among Wenxiao Ⅱ Decoction groups,MCP-1 expression in the mid-and high-dose groups was significantly lower than that seen in the low-dose group(P<0.01),but there were no differences among three dosage groups with respect to VCAM-1 expression(P>0.05).CONCLUSION:These data suggested that high,mid,and low doses of Wenxiao Ⅱ Decoction can inhibit the expression of MCP-1 and VCAM-1,which may prevent the formation of or stabilize atherosclerotic plaques.There may be a direct relationship between the dosage of Wenxiao Ⅱ Decoction and its therapeutic efficacy.
基金Supported by a Research Grant from Health Bureau of Shanghai(No.2008J003A)
文摘Objective： To observe the effects of different doses of Wenxiao Decoction （稳消方） on the expression of interleukin-6 （IL-6）, intercellular adhesion molecule-1 （ICAM-1）, and monocyte chemoattractant protein-1 （MCP-1） in experimental atherosclerotic rabbits and to explore the mechanism by which it alleviates atherosclerosis. Methods： Sixty New Zealand rabbits were randomly divided into six groups： a blank group, a model group, a Simvastatin group, and high-, medium-, and low-dosage Wenxiao Decoction groups. Except for those in the blank group, all rabbits were fed with a high-cholesterol diet. Carotid atherosclerosis was established by balloon-induced carotid artery endothelium injury in conjunction with the high-cholesterol diet. After 8 weeks, all animals were euthanized to evaluate levels of IL-6 and ICAM-1 expressions （by enzyme linked immunosorbent assay） and of MCP-1 （by immunohistochemistry staining）. Results： The expressions of IL-6, ICAM-1, and MCP-1 were significantly increased in all groups except the blank group （P〈0.05）. However, the rabbits in the Wenxiao Decoction groups and the Simvastatin group showed significantly lower levels of IL-6, ICAM-1, and MCP-1 expression than those in the model group （P〈0.05）. The expressions of IL-6, ICAM-1, and MCP-1 in the high- dosage Wenxiao Decoction group and the Simvastatin group were lower than those in the low-dosage Wenxiao Decoction group （P〈0.05）. The expression of MCP-1 in medium-dosage Wenxiao Decoction group was lower than that in the low-dosage group （P〈0.05）. Conclusions： High, medium, and low doses of Wenxiao Decoction can inhibit the expressions of IL-6, ICAM-1, and MCP-1, which may prevent and stabilize atherosclerotic plaques. There may be a direct relationship between dosage and therapeutic efficacy of Wenxiao Decoction.
文摘目的:观察稳消II方对动脉粥样硬化模型兔脂质代谢的影响,探讨其防治动脉粥样硬化的作用机制。方法:将38只健康新西兰大白兔随机分为空白组9只和造模组29只。空白组予标准饲料,造模组予高脂饲料喂养8周,第8周末随机处死2只。造模成功后随机分为稳消II方干预组(9只)、辛伐他汀对照组(9只)、模型对照组(9只),并改用标准饲料喂养。分别予相应药物灌胃干预8周[模型对照组与空白对照组均予生理盐水10 m L/(kg·d)]。分别于第0、8、16周末进行耳缘静脉采血,检测TC、TG、HDL-C、LDL-C、ALT、AST、Cr、BUN、UA、CK水平。结果:稳消II方干预组、辛伐他汀对照组TC、TG、LDL-C水平均低于模型对照组,HDL-C水平高于模型对照组,差异均有统计学意义(P<0.05)。稳消II方干预组、辛伐他汀对照组与空白对照组比较,TC、TG水平差异均无统计学意义(P>0.05);稳消II方干预组、辛伐他汀对照组LDL-C、HDL-C水平高于空白对照组,差异有统计学意义(P<0.05)。稳消II方干预组与辛伐他汀对照组比较,TC、TG、LDL-C、HDL-C水平差异均无统计学意义(P>0.05)。稳消II方组、辛伐他汀组干预前后自身对照比较,TC、LDL-C、TG水平均显著下降,HDL-C水平明显上升,差异均有统计学意义(P<0.05)。结论:稳消II方可降低动脉粥样硬化兔TC、TG、LDL-C,升高HDL-C水平,调节脂质代谢,改善和延缓动脉粥样硬化,且其对实验兔ALT、AST、Cr、BUN、UA、CK无不良影响。
