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Loureirin B activates GLP-1R and promotes insulin secretion in Ins-1 cells.


ABSTRACT: Loureirin B (LB) is a natural product derived from Sanguis draconis, which has hypoglycaemic effects. In order to research the possible target of LB in the treatment of diabetes, molecular docking was used to simulate the interaction between LB and potential targets, and among them, glucagon-like peptide-1 receptor (GLP-1R) had the optimal results. Further, spectroscopy and surface plasmon resonance (SPR) experiments were applied to detect the interaction between LB and GLP-1R. Ultimately, after GLP-1R siRNA interfering the expression of GLP-1R in Ins-1 cell, the promoting insulin secretion of LB was weaken, which directly proved that GLP-1R plays an important role. These results show that LB promotes insulin secretion of Ins-1 cells through GLP-1R. Hence, the strategy of LB as a prodrug will provide a potential approach for non-peptide GLP-1R agonist.

SUBMITTER: Ding Y 

PROVIDER: S-EPMC7812269 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Loureirin B activates GLP-1R and promotes insulin secretion in Ins-1 cells.

Ding Yanting Y   Xia Sijing S   Zhang Han H   Chen Qin Q   Niu Bing B  

Journal of cellular and molecular medicine 20201210 2


Loureirin B (LB) is a natural product derived from Sanguis draconis, which has hypoglycaemic effects. In order to research the possible target of LB in the treatment of diabetes, molecular docking was used to simulate the interaction between LB and potential targets, and among them, glucagon-like peptide-1 receptor (GLP-1R) had the optimal results. Further, spectroscopy and surface plasmon resonance (SPR) experiments were applied to detect the interaction between LB and GLP-1R. Ultimately, after  ...[more]

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