Abstract Title:

Licochalcone B, a chalcone derivative from Glycyrrhiza inflata, as a multifunctional agent for the treatment of Alzheimer's disease.

Abstract Source:

Nat Prod Res. 2018 Oct 22:1-4. Epub 2018 Oct 22. PMID: 30345819

Abstract Author(s):

Yingying Cao, Wenxing Xu, Yiyou Huang, Xing Zeng

Article Affiliation:

Yingying Cao


Licochalcone B (LCB), an extract from the root of Glycyrrhiza inflate, has the same caffeic acid scaffold as curcumin (Cur), which is known as an anti-Alzheimer's disease (AD) agent. However, there is no relevant research about anti-AD activity of LCB. In this study, the anti-AD activity of LCB was investigated. LCB could inhibit amyloid beta (Aβ) self-aggregation (IC = 2.16 ± 0.24 μM) and disaggregate pre-formed Aβfibrils, reduce metal-induced Aβaggregation through chelating metal ions. Molecular docking further revealed that LCB inhibited Aβself-aggregation through forming two hydrogen bonds with Lys28 to block the salt bridge interaction at the C-terminus of Aβ. Anti-oxidant property of LCB was also observed by DCFH-DA assay. In addition, LCB did show neuroprotective activity against HO-induced cell death in SH-SY5Y cells. In general, our results demonstrate that LCB, as a multifunctional agent, is likely to be promising therapeutics for AD.

Study Type : In Vitro Study

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