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Chemico-biological interactions

2-Hydroxychalcone and xanthohumol inhibit invasion of triple negative breast cancer cells.


PMID 23562496

Abstract

Breast cancer is estimated as one of the most common causes of cancer death among women. In particular, triple negative breast cancers (TNBCs), which do not express the genes for estrogen/progesterone receptors (ER/PR) and human epidermal growth factor receptor 2 (HER2), have been associated with poor prognosis and metastasis. Chalcones, the biosynthetic precursors of flavonoids present in edible plants, exert cytotoxic and chemopreventive activities. Although mounting evidence suggests the anticancer properties of chalcones, limited information is available regarding the inhibitory effects of chalcones on the aggressiveness of breast cancer cells. The present study aimed to investigate the effects of chalcone and its derivatives on the growth and the invasiveness of TNBC cells. Here, we showed that treatment with chalcone, 2-hydroxychalcone, and xanthohumol for 24h inhibited the growth of MDA-MB-231 cells with IC50 values of 18.1, 4.6, and 6.7 μM, respectively. Similarly, Chalcone, 2-hydroxychalcone, and xanthohumol also exerted cytotoxicity in another TNBC cell line, Hs578T. Neohesperidin dihydrochalcone, 4-methoxychalcone, and hesperidin methylchalcone did not show the cytotoxicity on the MDA-MB-231 cells. Xanthohumol and 2-hydroxychalcone induced apoptosis by Bcl-2 downregulation. Importantly, 2-hydroxychalcone and xanthohumol exerted more potent inhibitory effects on the proliferation, MMP-9 expression and invasive phenotype of MDA-MB-231 than chalcone. These results suggest a potential application of these chalcones as anticancer agents that can alleviate malignant progression of TNBC.

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01130595
Xanthohumol, primary reference standard
C21H22O5