Journal
MOLECULAR BIOLOGY REPORTS
Volume 37, Issue 6, Pages 2975-2979Publisher
SPRINGER
DOI: 10.1007/s11033-009-9864-0
Keywords
Ginsenoside; PPAR gamma; Type 2 diabetes; Mononuclear macrophage
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Peroxisome proliferator-activated receptors (PPARs) are transcriptional factors, which play a key role in modulating glucose and lipid metabolism and in the pathogenesis of atherosclerosis. Ginsenosides are the active components of ginseng, which is a perennial aromatic herb that is widely used in China for medicinal purposes. Some studies have reported that ginsenosides have anti-hyperglycemia and anti-obesity effects that involve the PPAR-mediated pathway. The aims of this study were to investigate mononuclear macrophage PPAR gamma mRNA expression of type 2 diabetes and the effect of ginsenosides on PPAR gamma mRNA expression and glucose and lipid metabolism. Our results showed that subjects with type 2 diabetes had lower PPAR gamma mRNA levels compared with normal controls. Following 2 weeks of 41 mg/day ginsenoside treatment, the expression of PPAR gamma mRNA in patients with type 2 diabetes was significantly increased, the total cholesterol and triglyceride levels were significantly decreased, and the blood glucose level also decreased (but without statistical significance) compared to the control group. These results demonstrated that ginsenosides improved PPAR gamma expression and lipid metabolism. Thus, ginsenosides may be applied as an adjuvant for treating type 2 diabetes.
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