Abstract Title:

Anti-diabetic potential of Pueraria lobata root extract through promoting insulin signaling by PTP1B inhibition.

Abstract Source:

Bioorg Chem. 2019 Feb 22 ;87:12-15. Epub 2019 Feb 22. PMID: 30852232

Abstract Author(s):

Ran Sun, Xinxian Deng, Dongdong Zhang, Fangzhou Xie, Di Wang, Juntao Wang, Mojdeh S Tavallaie, Faqin Jiang, Lei Fu

Article Affiliation:

Ran Sun


Type 2 diabetes mellitus is a fast-growing epidemic affecting people globally. We initiated the project by searching the possible target of the Pueraria lobata root extract (P. lobata). We conducted the ICassays of P. lobata on the four diabetes-related proteins: PTP1B, TCPTP, SHP-2 and DPP-4. Results indicated that P. lobata exhibited high PTP1B inhibitory activity with ICof 0.043 mg/ml. Treated insulin-resistant HepG2 cells with 0.0115 mg/ml of P. lobata increased the glucose uptake by two times compared with the negative control. Further, we performed OGTT test on the diabetic C57BL/6 male mice. 20% decreased blood glucose (AUC) was obtained with a dose of 1 g/kg P.lobata compared with the negative control. Herein, we were able to demonstrate the antidiabetic effects of P. lobata might be related to the inhibition of PTP1B and therefore, bettering the insulin signaling pathway.

Study Type : Animal Study

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