Early intervention on atherosclerosis by fluvastatin and lectin-like oxidized low-density lipoprotein receptor-1 expression in atherosclerotic arteries in immature rabbits

OBJECTIVE: The present study was designed to investigate the preventive and therapeutic effect of 3-hydroxy-3-methylglutanyl coenzyme A (HMG-CoA) reductase inhibitor fluvastatin on the development of atherosclerosis (AS) in immature rabbits and its possible mechanism by detecting the expression leve...

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Veröffentlicht in:Zhonghua er ke za zhi = Chinese journal of pediatrics. - 1960. - 43(2005), 10 vom: 31. Okt., Seite 762-6
1. Verfasser: Yu, Yong-hui (VerfasserIn)
Weitere Verfasser: Wang, Yi, Chen, Yao, Liu, Zhong-zhi, Sun, Shu-zhen, Meng, Xiao-hui
Format: Aufsatz
Sprache:Chinese
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Zhonghua er ke za zhi = Chinese journal of pediatrics
Schlagworte:Journal Article Cholesterol, Dietary Cholesterol, LDL Fatty Acids, Monounsaturated Hydroxymethylglutaryl-CoA Reductase Inhibitors Indoles Scavenger Receptors, Class E Fluvastatin 4L066368AS
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100 1 |a Yu, Yong-hui  |e verfasserin  |4 aut 
245 1 0 |a Early intervention on atherosclerosis by fluvastatin and lectin-like oxidized low-density lipoprotein receptor-1 expression in atherosclerotic arteries in immature rabbits 
264 1 |c 2005 
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500 |a Date Revised 01.12.2018 
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520 |a OBJECTIVE: The present study was designed to investigate the preventive and therapeutic effect of 3-hydroxy-3-methylglutanyl coenzyme A (HMG-CoA) reductase inhibitor fluvastatin on the development of atherosclerosis (AS) in immature rabbits and its possible mechanism by detecting the expression level of lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) in the abdominal aorta 
520 |a METHODS: A model of hypercholesterolemia (HC) was established by high-cholesterol diet and 24 immature rabbits were divided randomly and equally into control group, HC-diet group and fluvastatin group. At the beginning of the study and after 12 weeks, the body height (BH) and body weight (BW) of the rabbits were measured and their body mass index (BMI) was calculated. At the end of 12 weeks, serum total cholesterol (TC) and low-density lipoprotein (LDL) levels were examined. The intima-medial thickness of the abdominal aorta (aIMT) was measured by using non-invasive high-resolution (14 MHz) B-mode ultrasound imaging. Histological changes in abdominal arteries were studied by H&E-staining and histomorphometric analysis. The gene expression of LOX-1 in abdominal aorta was evaluated by semi-quantitative reverse transcription-polymerase chain reaction (RT-PCR) and its protein expression was examined by immunohistochemistry 
520 |a RESULTS: High cholesterol diet induced hypercholesterolemia and early AS in immature rabbits. In HC-diet group serum TC and LDL levels in rabbits elevated. B mode echocardiography showed that aIMT was thickened and pathomorphology indicated that extensive aortic intima (I) and intima and media (I + M) became thickened and the ratio of the area of intima to media (S(I)/S(M)) was increased. Aortic intimal proliferation in HC-diet group was associated with a marked increase in LOX-1 expression (protein and mRNA) in endothelium and neointima of the abdominal aorta. Treatment with fluvastatin at a dosage of 10 mg/(kg.d) deduced serum lipid, attenuated artery intimal proliferation and markedly decreased the enhanced LOX-1 expression level in endothelium and neointima in immature rabbits. There were no significant differences of BH, BW or BMI among the three groups 
520 |a CONCLUSIONS: These findings suggested that early treatment with fluvastatin not only induced a significant regression of arterial lesions of HC and early AS in immature rabbits, but also had a crucial endothelial protective effect by down-regulating LOX-1 expression level in atherosclerotic arteries in early AS 
650 4 |a Journal Article 
650 7 |a Cholesterol, Dietary  |2 NLM 
650 7 |a Cholesterol, LDL  |2 NLM 
650 7 |a Fatty Acids, Monounsaturated  |2 NLM 
650 7 |a Hydroxymethylglutaryl-CoA Reductase Inhibitors  |2 NLM 
650 7 |a Indoles  |2 NLM 
650 7 |a Scavenger Receptors, Class E  |2 NLM 
650 7 |a Fluvastatin  |2 NLM 
650 7 |a 4L066368AS  |2 NLM 
700 1 |a Wang, Yi  |e verfasserin  |4 aut 
700 1 |a Chen, Yao  |e verfasserin  |4 aut 
700 1 |a Liu, Zhong-zhi  |e verfasserin  |4 aut 
700 1 |a Sun, Shu-zhen  |e verfasserin  |4 aut 
700 1 |a Meng, Xiao-hui  |e verfasserin  |4 aut 
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