Chemical constituents isolated from Actinidia polygama and their α-glucosidase inhibitory activity and insulin secretion effect
- Authors
- Hwang, Hoseong; Lee, Dahae; Son, Jong Dai; Baek, Jong Gwon; Lee, Hyeon-Seong; Park, InWha; Kim, Dong Hoon; Lee, Soon Kwang; Kim, Won Kyu; Kwon, Hak Cheol; Kang, Ki Sung; Kwon, Jaeyoung
- Issue Date
- May-2023
- Publisher
- ACADEMIC PRESS INC ELSEVIER SCIENCE
- Keywords
- Actinidia polygama; Monoterpenoid; Triterpenoid; ?-glucosidase; Insulin secretion; Antidiabetic compound
- Citation
- BIOORGANIC CHEMISTRY, v.134
- Journal Title
- BIOORGANIC CHEMISTRY
- Volume
- 134
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/87678
- DOI
- 10.1016/j.bioorg.2023.106466
- ISSN
- 0045-2068
- Abstract
- Actinidia polygama has been used as a traditional medicine for treating various diseases. In the present study, 13 compounds, including three new monoterpenoids (1-3), were isolated from the leaves of A. polygama to investigate the bioactive constituents of the plant. The structures were characterized by analyzing spectroscopic and chiroptical data. These compounds were preliminarily screened for their ability to increase insulin secretion levels after glucose stimulation. Of these, 3-O-coumaroylmaslinic acid (4) and jacoumaric acid (5) showed ac-tivity. In further biological studies, these compounds exhibited increased glucose-stimulated insulin secretion (GSIS) activity without cytotoxicity in rat INS-1 pancreatic 8 -cells as well as alpha-glucosidase inhibitory activity. Furthermore, both compounds increased insulin receptor substrate-2 (IRS-2), phosphatidylinositol 3-kinase (PI3K), protein kinase B (Akt), pancreatic and duodenal homeobox-1 (PDX-1), and peroxisome proliferator-activated receptor-gamma (PPAR-gamma) expression. Hence, these compounds may be developed as potential antidiabetic agents.
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