期刊
FOOD AND CHEMICAL TOXICOLOGY
卷 63, 期 -, 页码 111-118出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2013.10.046
关键词
Ganoderma lucidum; Proteoglycan; Diabetic nephropathy; Antioxidant; Oxidative stress; 8-Hydroxy-2'-deoxyguanosine (8-OHdG)
资金
- Natural Science Foundation of China [20673022, 21074025]
- Soft Science Program of Jing-An district in Shanghai [2008RZ002]
- Scientific Program of Shanghai Municipal Public Health Bureau [2008220, 2010231]
- Science and Technology Innovation Program of STCSM [11DZ1971802]
- Innovation Program of Shanghai Municipal Education Commission [12ZZ009]
Diabetic nephropathy (DN) is the major cause of morbidity among diabetic patients. Thus, antidiabetic drugs with protection potential in the kidneys would have a higher therapeutic value. The effects of a novel proteoglycan, named FYGL, isolated from G. lucidum fruiting bodies, on the kidney function were investigated systematically in present work. FYGL (250 mg/kg) not only dosedependently reduced the blood glucose concentration (23.5%, p < 0.05), kidney/body weight ratio (23.6%, p < 0.01), serum creatinine (33.1%, p < 0.01), urea nitrogen (24.1%, p < 0.01),urea acid contents (35.9%, p < 0.01) and albuminuria (30.7%, p < 0.01)of DN mice compared to the untreated DN mice but also increased the renal superoxide dismutase (75.3%, p < 0.01), glutathione peroxidase (35.0%, p < 0.01) and catalase activities (58.5%, p < 0.01) compared to the untreated DN mice. The decreasing of renal malondialdehyde content (34.3%, p < 0.01) and 8-hydroxy-2'-deoxyguanosine expression (2.5-fold, p < 0.01) were also observed in FYGL-treated DN mice compared to the untreated DN mice, along with an amelioration of renal morphologic abnormalities. We conclude that FYGL confers protection against the renal functional and morphologic injuries by increasing activities of antioxidants and inhibiting accumulation of oxidation, suggesting a potential nutritional supplement for the prevention and therapy of DN. (C) 2013 Elsevier Ltd. All rights reserved.
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