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KMID : 1101720160200040060
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Physical Activity and Nutrition
2016 Volume.20 No. 4 p.60 ~ p.64
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Jakyakgamcho-tang and Its Major Component, Paeonia Lactiflora, Exhibit Potent Anti-glycation Properties
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Kim Jung-Hyun
Kim Chan-Sik
Kim Young-Sook
Lee Ik-Soo
Kim Jin-Sook
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Abstract
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[Purpose] Advanced glycation end products (AGEs) have been implicated in the pathogenesis of diabetes and other age-related diseases. AGE inhibitors or breakers, such as aminoguanidine and alagebrium, have been proposed as therapeutic agents for AGE-related disorders. Jakyakgamcho-tang (JGT) is a well-known traditional herbal formula, which consists of the radix of Paeonia lactiflora Pallas (PR) and the radix and rhizome of Glycyrrhiza uralensis Fisch (GR). The purpose of this study was to evaluate the inhibitory and breaking activities of JGT, PR, and GR against AGEs.
[Methods] JGT, PR, and GR extracts were prepared in hot water. We performed in vitro assays to evaluate their inhibitory activity against glycation of bovine serum albumin (BSA) by high glucose and their ability to break the already formed AGEs.
[Results] In the in vitro AGE formation assay, JGT and PR dose-dependently inhibited AGE-BSA formation (half-maximal inhibitory concentration, IC50, = 41.41 ± 0.36 and 6.84 ± 0.09 μg/mL, respectively). In the breakdown assay of the preformed AGE-BSA-collagen complexes, JGT and PR exhibited potent breaking activities (IC50 = 6.72 ± 1.86 and 7.45 ± 0.47 μg/mL, respectively). However, GR showed a weaker inhibitory activity and no breaking activity against AGEs.
[Conclusion] This study suggests that JGT and PR could be valuable drug candidates for treatment of AGE-related diseases by reducing AGE burden.
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KEYWORD
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Advanced glycation end products, Jakyakgamcho-tang, Paeoniae Radix, Glycyrrhizae Radix
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