A triterpene with diverse biological activities
Euscaphic acid is a triterpene that has been found in R. alceaefolius and has diverse biological activities.1,2,3 It inhibits the proliferation of CNE-1 and C666-1 nasopharyngeal carcinoma cells when used at concentrations of 5 and 10 ?g/ml.1 Euscaphic acid inhibits acetylcholinesterase (AChE; IC50 = 35.9 ?M) and α-glucosidase (IC50 = 24.9 ?M).2 It reduces the production of nitric oxide (NO) and levels of inducible nitric oxide synthase (iNOS) and COX-2 in LPS-stimulated RAW 264.7 cells.3 Euscaphic acid (10 mg/kg) reduces serum IgE and IgG2a levels, ear tissue mast cell infiltration, and pruritis in a mouse model of difluoroethane- and 2,4-dinitrochlorobenzene-induced atopic dermatitis.4
1.Dai, W., Dong, P., Liu, J., et al.Euscaphic acid inhibits proliferation and promotes apoptosis of nasopharyngeal carcinoma cells by silencing the PI3K/AKT/mTOR signaling pathwayAm. J. Transl. Res.11(4)2090-2098(2019) 2.Ado, M.A., Maulidiani, M., Ismail, I.S., et al.Acetylcholinesterase and α-glucosidase inhibitory compounds from Callicarpa maingayiNat. Prod. Res.35(17)2992-2996(2021) 3.Kim, I.-T., Ryu, S., Shin, J.-S., et al.Euscaphic acid isolated from roots of Rosa rugosa inhibits LPS-induced inflammatory responses via TLR4-mediated NF-κB inactivation in RAW 264.7 macrophagesJ. Cell. Biochem.113(6)1936-1946(2012) 4.Jeong, N.-H., Lee, S., Choi, Y.-A., et al.Inhibitory effects of euscaphic acid in the atopic dermatitis model by reducing skin inflammation and intense pruritusInflammation45(4)1680-1691(2022)
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