Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8333839 | International Journal of Biological Macromolecules | 2013 | 9 Pages |
Abstract
A polysaccharide from Ganoderma atrum (PSG-1) was purified and characterized, and its hypoglycemic and hypolipidemic effects were investigated in high fat diet- and streptozotocin-induced type 2 diabetic rats. Oral administration of PSG-1 at 200 or 400Â mg/kg body weight significantly reduced fasting blood glucose and serum insulin levels. PSG-1 significantly decreased the levels of serum total cholesterol, triglyceride, low-density lipoprotein cholesterol, free fatty acid and insulin resistance, and increased high-density lipoprotein cholesterol level and insulin sensitivity. In addition, PSG-1 inhibited the expression of pro-apoptotic protein, Bax and increased the expression of anti-apoptotic protein, Bcl-2 in pancreatic cells, suggesting that PSG-1 exerted a protective role in the pancreas of diabetic rats. These results indicated that PSG-1 may have a potential for the treatment of hyperglycemia, hyperlipidemia, hyperinsulinemia and insulin resistance in type 2 diabetes.
Keywords
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Authors
Kexue Zhu, Shaoping Nie, Chuan Li, Suli Lin, Mengmeng Xing, Wenjuan Li, Deming Gong, Mingyong Xie,