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- Title
Potential protein tyrosine phosphatase 1B and α-glucosidase inhibitory flavonoids from Erythrina variegata : Experimental and computational results.
- Authors
Nguyen, Phi-Hung; Trinh, Ngoc-Thao-Vy; Do, Thi-Thuy; Vu, Thi-Ha; To, Dao Cuong; Pham, Hong Khuyen Thi; Truong, Phu Chi Hieu; Pham Van, Kim Thuong; Tran, Manh Hung
- Abstract
Erythrina variegata L., a member of the Fabaceae family, is a valuable medicinal plant with a rich history of traditional medicinal uses. However, its potential as an antidiabetic agent has remained largely unexplored. In this study, three isoflavonoid compounds, namely eryvarin M (1), eryvarin H (2), and neobavaisoflavone (3), were isolated from E. variegata. These compounds displayed significant inhibitory effects on both protein tyrosine phosphatase 1B and α-glucosidase enzymes. The specific attachment position of the prenyl group to the isoflavonoid skeleton plays a pivotal role in determining the variation in their activity. Moreover, the results obtained from docking simulations corroborate the experimental findings, confirming the robust binding affinities of these metabolites toward the target proteins. The docking analysis further highlights that these compounds exhibit highly negative values of binding-free energies against proteins, indicative of their favorable binding affinities. In addition, the formation of hydrogen bonds in the binding region contributes to their binding interactions. These findings significantly enhance our understanding of the therapeutic potential of both E. variegata and its isoflavonoids as potential inhibitors for diabetes and related metabolic disorders, shedding light on their promising role in the field of diabetes research.
- Subjects
PROTEIN-tyrosine phosphatase; PHOSPHOPROTEIN phosphatases; FLAVONOIDS; ISOFLAVONOIDS; HYDROGEN bonding
- Publication
Journal of Chemical Research, 2024, Vol 48, Issue 1, p1
- ISSN
1747-5198
- Publication type
Article
- DOI
10.1177/17475198231226382