期刊
JOURNAL OF NATURAL PRODUCTS
卷 76, 期 11, 页码 2080-2087出版社
AMER CHEMICAL SOC
DOI: 10.1021/np400533h
关键词
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资金
- National Research Foundation of Korea (NRF) [2012R1A2A2A01009417]
- Korea Institute for Planning and Evaluation for Technology in Food, Agriculture, Forestry and Fisheries (iPET), Korea Ministry of Agriculture, Food and Rural Affairs
- National Research Foundation of Korea [2012R1A2A2A01009417] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
As part of our ongoing search for new antidiabetic agents from medicinal plants, we found that a methanol extract of Morinda citrifolia showed potential stimulatory effects on glucose uptake in 3T3-L1 adipocyte cells. Bioassay-guided fractionation of this active extract yielded two new lignans (1 and 2) and three new neolignans (9, 10, and 14), as well as 10 known compounds (3-8, 11-13, and 15). The absolute configurations of compounds 9, 10, and 14 were determined by ECD spectra analysis. Compounds 3, 6, 7, and 15 showed inhibitory effects on PTP1B enzyme with IC50 values of 21.86 +/- 0.48, 15.01 +/- 0.20, 16.82 +/- 0.42, and 4.12 +/- 0.09 mu M, respectively. Furthermore, compounds 3, 6, 7, and 15 showed strong stimulatory effects on 2-NBDG uptake in 3T3-L1 adipocyte cells. This study indicated the potential of compounds 3, 6, 7, and 15 as lead molecules for antidiabetic agents.
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