Bacillus lipopeptides inhibit lipase activity and promote 3T3-L1 preadipocyte differentiation

Autor: Meichun Chen, Deju Chen, Rongfeng Xiao, Xuefang Zheng, Bo Liu, Jieping Wang
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Journal of Enzyme Inhibition and Medicinal Chemistry, Vol 39, Iss 1 (2024)
Druh dokumentu: article
ISSN: 14756366
1475-6374
1475-6366
DOI: 10.1080/14756366.2024.2417915
Popis: Bacillus lipopeptides have been reported to display anti-obesity effects. In the present study, Lipopeptides from Bacillus velezensis FJAT-45028 that consisted of iturin, fengycin and surfactin were reported. The lipopeptides exhibited a strong lipase inhibition activity in a concentration-dependent manner with a half maximal inhibitory concentration of 0.012 mg/mL, and the inhibition mechanism and type were reversible and competitive, respectively. Results of CCK8 assay showed that 3T3-L1 preadipocyte cells were completely viable under treatment of 0.050–0.2 mg/mL lipopeptides for 24 or 48 h. It was found that the lipopeptides could increase lipid droplets in the differentiated 3T3-L1 adipocytes in tested concentration and suppress the expression of peroxisome proliferator-activated receptor gamma (PPARγ). These results indicated the potential anti-obesity mechanism of the tested lipopeptides might be to inhibit lipase activity but not to suppress lipid accumulation in the adipocytes. Moreover, the lipopeptides could elevate glucose utilisation by 14.43%–33.81% in the differentiated 3T3-L1 adipocytes.
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