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  • Title: Coumarins and lignans from Zanthoxylum schinifolium and their anticancer activities.
    Author: Li W, Sun YN, Yan XT, Yang SY, Kim EJ, Kang HK, Kim YH.
    Journal: J Agric Food Chem; 2013 Nov 13; 61(45):10730-40. PubMed ID: 24144361.
    Abstract:
    Zanthoxylum schinifolium is an aromatic shrub, and its pericarp and leaves are widely used in culinary applications in East Asian countries. It has also long been used in traditional Oriental medicine for treating the common cold, stomach ache, diarrhea, and jaundice. In this study, we identified two new compounds, zanthoxyloside (1) and schinifolisatin A (13), along with 23 known coumarins (2-12) and lignans (14-25), from a methanol extract of the stems of Z. schinifolium . The chemical structures of the compounds were determined by mass, 1D-, and 2D NMR spectroscopy. The anticancer effects of the isolated compounds were examined in three human cancer cell lines. Compounds 10-12 significantly reduced the proliferation of HL-60 human acute promyelocytic leukemia cells with IC50 values of 4.62-5.12 μM. Treatment of PC-3 prostate cancer cells and SNU-C5 colorectal cancer cells with compound 10 resulted in potent antiproliferative activity, with IC50 values of 4.39 and 6.26 μM, respectively. Also, compounds 10-12 induced the apoptosis of three cancer cells. Furthermore, the induction of apoptosis was accompanied by down-regulation of p-ERK1/2 MAPK, p-AKT, and c-myc levels, in a time-dependent manner. These data suggested that compounds 10-12 from Z. schinifolium have potential in cancer treatment.
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