Liposome-encapsulated peptide PDBSN ameliorates high-fat-diet-induced obesity and improves metabolism homeostasis
2020
Shen, Dan | Gao, Jian fang | Xia, Jia | Wang, Xingyun | Zhou, Yahui | Chen, Ling | Xu, Liling | Guo, Xirong
In recent years, the obese and overweight population has increased rapidly, which has become a worldwide public health problem. However, effective medication is lacking. Our previous study identified a novel peptide, PDBSN (GLSVADLAESIMKNL), that could significantly restrict adipocyte differentiation in vitro, but its in vivo function has not been determined. Thus, in this study, we encapsulated the peptide into liposomes attached with two ligands (visceral-adipose-tissue-targeting peptide and cell-penetrating peptide) to improve stability and specificity. We then tested the peptide’s function in HFD (high-fat diet)-induced obese mice and found that PDBSN could reduce weight gain and improve insulin resistance as well as lipid homeostasis. These results suggest that PDBSN may be a potential candidate for anti-obesity drug discovery.
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