Abstract：
:Gomisin N (GN) is lignin derived from Schisandra chinensis that has been reported to exhibit hepato-protective, anti-cancer, and anti-inflammatory effects. However, its role in whole-body energetic homeostasis remains unclear. In this study, we employed Drosophila melanogaster as a diet-induced obese model to elucidate the effects of GN on lipid and glucose metabolism by measuring climbing activity, triglyceride levels, and lifespan under a rearing condition of a high-fat diet (HFD) containing 20% coconut oil, with or without GN. Constant exposure of flies to an HFD resulted in increased body weight and decreased climbing activity, along with a shortened life span. Importantly, the administration of GN to HFD groups lowered their body weight and induced a specific upregulation of lipid storage droplet (Lsd)-2 and hormone-sensitive lipase (Hsl), in addition to improved lifespan. Importantly, GN in HFD groups appeared to downregulate heat shock protein Hsp90 family member (dGRP94), a key regulator of the endoplasmic reticulum stress response, which may also contribute to improved life span in the presence of GN. Taken together, these in vivo findings suggest that GN could serve as a useful agent for the prevention and treatment of obesity.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Lee JY,Lee JH,Cheon CKdoi
10.3390/ijms21197209subject
Has Abstractpub_date
2020-09-29 00:00:00issue
19issn
1422-0067pii
ijms21197209journal_volume
21pub_type
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