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Journal of Diabetes Research
Volume 2015 (2015), Article ID 723190, 10 pages
http://dx.doi.org/10.1155/2015/723190
Research Article

Hypoglycemic Activity through a Novel Combination of Fruiting Body and Mycelia of Cordyceps militaris in High-Fat Diet-Induced Type 2 Diabetes Mellitus Mice

1Graduate Institute of Medical Sciences, School of Medicine, Taipei Medical University, Taipei 110, Taiwan
2Stem Cell Research Center, Taipei Medical University, Taipei 110, Taiwan
3Graduate Institute of Biomedical Materials and Tissue Engineering, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan
4Institute of Biotechnology, College of Engineering, Southern Taiwan University of Science and Technology, Yongkang District, Tainan, Taiwan
5Department of Microbiology and Immunology, School of Medicine, Taipei Medical University, Taipei 110, Taiwan

Received 5 May 2015; Revised 30 June 2015; Accepted 5 July 2015

Academic Editor: Bernard Portha

Copyright © 2015 Sung-Hsun Yu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Diabetes mellitus (DM) is currently ranked among leading causes of death worldwide in which type 2 DM is reaching an epidemic proportion. Hypoglycemic medications for type 2 DM have either proven inadequate or posed adverse effects; therefore, the Chinese herbal products are under investigation as an alternative treatment. In this study, a novel combination of fruiting body and mycelia powder of herbal Cordyceps militaris number 1 (CmNo1) was administered to evaluate their potential hypoglycemic effects in high-fat diet- (HFD-) induced type 2 DM in C57BL/6J mice. Body weight, fasting blood glucose (FBG), oral glucose tolerance test (OGTT), and blood biochemistry indexes were measured. Results indicated that CmNo1 lowered the blood glucose level by increasing insulin sensitivity, while no change in body weight was observed. Increased protein expression of IRS-1, pIRS-1, AKT, pAKT, and GLUT-4 in skeletal muscle and adipose tissue was found indicating restoration of insulin signaling. Additionally, PPAR-γ expression in adipose tissue restored the triglyceride and cholesterol levels. Finally, our results suggest that CmNo1 possesses strong hypoglycemic, anticholesterolemic, and antihypertriglyceridemic actions and is more economical alternate for DM treatment.