Dammarane triterpenes as potential SIRT1 activators from the leaves of Panax ginseng

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Title
Dammarane triterpenes as potential SIRT1 activators from the leaves of Panax ginseng
Author(s)
J L Yang; T K Q Ha; B Dhodary; K H Kim; J Park; Chul Ho Lee; Y C Kim; W K Oh
Bibliographic Citation
Journal of Natural Products, vol. 77, no. 7, pp. 1615-1623
Publication Year
2014
Abstract
During a search for SIRT1 activators originating in nature, three new dammarane triterpenes, 6α,20(S)-dihydroxydammar-3,12-dione-24-ene (1), 6α,20(S),24(S)-trihydroxydammar-3,12-dione-25-ene (2), and 6α,20(S),25-trihydroxydammar-3,12-dione-23-ene (3), as well as two known triterpenes, dammar-20(22),24-diene-3β,6α,12β-triol (4) and 20(S)-ginsenoside Rg3 (5), were isolated from Panax ginseng leaves. Compounds 1 and 3-5 showed potential as SIRT1 activators, as analyzed by in vitro enzyme-based SIRT1-NAD/NADH and SIRT1-p53 luciferase cell-based assays. They were also found to increase the level of NAD+/NADH ratio in HEK293 cells. This study presents a new class of chemical entities that may be able to be developed as SIRT1 activators for antiaging and treatment of age-associated diseases.
ISSN
0163-3864
Publisher
Amer Chem Soc
DOI
http://dx.doi.org/10.1021/np5002303
Type
Article
Appears in Collections:
Ochang Branch Institute > Division of National Bio-Infrastructure > Laboratory Animal Resource & Research Center > 1. Journal Articles
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