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The effect of alpha-lipoic acid on expression of VCAM-1 in type 2 diabetic rat / 대한해부학회지
Anatomy & Cell Biology ; : 176-182, 2019.
Article in English | WPRIM | ID: wpr-782306
ABSTRACT
diabetes complications are generally caused by a process called atherosclerosis. Evidences suggest that to initiate atherosclerosis, oxidated low-density lipoprotein (oxLDL) has to promote the expression of adhesion molecule. Several studies have evidenced the relevance of oxidative stress and atherosclerosis. However, the protective effect of alpha-lipoic acid (ALA) at atherosclerosis still needs to be explored. This study is aimed at investigating the concentration of plasma oxLDL and the expression of adhesion molecule of type 2 diabetes mellitus (DM) using rat model. Eighteen male rats were segregated into three groups labeled as control group, DM group and DM+ALA group. Type 2 diabetes was induced by intraperitoneal injection of streptozotocin (50 mg/kg) followed by nicotinamide (110 mg/kg). ALA was administered at a dose of 60 mg/kg body weight/day throughout the feeding period of 3 weeks. Plasma oxLDL concentration was measured by enzyme-linked immunosorbent assays and expression of vascular cell adhesion molecule-1 (VCAM-1) was measured by immunohistochemistry. Expression of abdominal aortic adhesion molecule was assessed by calculation with Adobe Photoshop CS3. Analysis of variance test was used to compare the concentration of plasma oxLDL and expression of adhesion molecule. A P-value of 0.05 was considered statistically significant. Plasma oxLDL was lower in diabetic rat+ALA compared with the diabetic rat. Percentage of area VCAM-1 in DM+ALA group was lower than DM group. There were no significant differences between groups in intensity of VCAM-1. In conclusion, ALA showed protective effects against early atherosclerosis in diabetic rats.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Plasma / Enzyme-Linked Immunosorbent Assay / Immunohistochemistry / Thioctic Acid / Streptozocin / Niacinamide / Oxidative Stress / Vascular Cell Adhesion Molecule-1 / Models, Animal / Diabetes Complications Limits: Animals / Humans / Male Language: English Journal: Anatomy & Cell Biology Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Plasma / Enzyme-Linked Immunosorbent Assay / Immunohistochemistry / Thioctic Acid / Streptozocin / Niacinamide / Oxidative Stress / Vascular Cell Adhesion Molecule-1 / Models, Animal / Diabetes Complications Limits: Animals / Humans / Male Language: English Journal: Anatomy & Cell Biology Year: 2019 Type: Article