期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 84, 期 -, 页码 457-463出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2015.12.049
关键词
Hypoglycemic effects; Recombinant irisin; Diabetic mice
资金
- State Key Laboratory of Medicinal Chemical Biology, Nankai University [20130522]
- Ph.D. Candidate Research Innovation Fund of Nankai University
- Key Technologies R&D Program of Tianjin [14ZCZDSY00013]
In order to investigate the hypoglycemic effects and potential mechanism of recombinant irisin on diabetes, STZ-induced diabetic mice were established and treated with irisin. The results showed that daily water and food intake, and blood glucose significantly decreased after various concentrations of recombinant irisin treatment by intraperitoneal injection, of which 1.0 mg/kg was the optimal dose for lowering blood glucose. However, the body weight exhibited no significant difference during the treatment within groups, although the 0.9% NaCl treated group showed a trend of decreased body weight and the irisin treated groups showed a tendency of increasing weight. The oral glucose tolerance was improved, and serum insulin and circulating irisin content were significantly elevated in diabetic mice after 1.0 mg/kg irisin-injection treatment, compared to diabetic mice treated with 0.9% NaCl. 1.0 mg/kg irisin-injection also significantly increased the expression of energy and metabolism-related genes. In addition, oral administration of irisin lowered the blood glucose in diabetic mice. Our data suggested that irisin could lower blood glucose in insulin-deficient diabetic mice, to some extent, through irisin-mediated induction of energy and metabolic genes expression. These observations laid a foundation for the development of irisin-based therapy. (C) 2015 Elsevier B.V. All rights reserved.
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