|ZFIN ID: ZDB-PUB-190712-7|
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Alginate oligosaccharide (AOS) improves immuno-metabolic systems by inhibiting STOML2 overexpression in high-fat-diet-induced obese zebrafish
Tran, V.C., Cho, S.Y., Kwon, J., Kim, D.
|Source:||Food & function 10(8): 4636-4648 (Journal)|
|PubMed:||31290903 Full text @ Food Funct|
Tran, V.C., Cho, S.Y., Kwon, J., Kim, D. (2019) Alginate oligosaccharide (AOS) improves immuno-metabolic systems by inhibiting STOML2 overexpression in high-fat-diet-induced obese zebrafish. Food & function. 10(8):4636-4648.
ABSTRACTThis study aimed to evaluate the potentially beneficial effects of alginate oligosaccharide (AOS) on the modulation of immuno-metabolic pathways in high-fat-diet (HFD)-induced obese zebrafish and the underlying mechanism. AOS showed a marked anti-obesity effect in that it reduced body weight, BMI, and the blood glucose level. To understand the mechanisms of action of AOS, comparative proteomics was performed through UPLC-HDMSE analysis between HFD vs. normal diet (NFD) and HFD + AOS vs. HFD. Among 146 proteins differentially modulated by AOS in HFD-induced obesity zebrafish, STOML2 (Stomatin-like protein 2) was selected as a specific biomarker. AOS suppressed obesity and pathophysiological disorders in HFD-fed zebrafish by modulating lipid metabolism, suppressing inflammation, downregulating apoptosis-related genes, and improving immune function by inhibiting STOML2. Our results suggest that STOML2 can serve as a platform for further studies to discover novel treatments for metabolic disorders. AOS might be useful as a dietary health supplement, especially for reducing obesity.