Abstract
Abstract Disclosure: R. Stojchevski: None. N. Hadzi-Petrushev: None. M. Mladenov: None. J. Bogdanov: None. S. Velichkovikj: None. L. Poretsky: None. D.B. Avtanski: None. Curcumin, a polyphenol found in turmeric (Curcuma longa), has been reported to have a range of potential therapeutic effects, including anti-inflammatory and antioxidant properties. However, curcumin’s poor bioavailability has limited its use in medicine. Monocarbonyl analogs of curcumin (MACs) have been developed to overcome this challenge and have shown promise in various medical applications, including cancer. Our previous experiments in animals showed that these two analogs possess potent antioxidant properties. The aim of this study was to investigate the in vitro effects of two experimental MACs (C66 (C22H16F6O) and B2BrBC (C20H16Br2O)) on breast cancer cell growth and epithelial-to-mesenchymal transition (EMT). Both C66 and B2BrBC significantly suppressed MCF-7 and BT-474 viability shown by MTT assay. These two analogs also suppressed breast cancer cell migration, demonstrated by scratch migration wound-healing assay using MCF-7 and MDA-MB-231 cells. Further, using qRT-PCR, we investigated the effects of C66 and B2BrBC on the expression of various epithelial (E-cadherin, cytokeratin-18) and mesenchymal (snail, slug, fibronectin, and vimentin) genes in MCF-7 cells subjected to EMT induction (a media supplement containing Wnt-5a, TGFβ1, anti-E-cadherin, anti-sFRP1, and anti-Dkk-1 antibodies). Since the EMT-induction media significantly downregulated the epithelial markers’ and upregulated the mesenchymal markers’ mRNA expression, these effects were significantly abolished when C66 or B2BrBC were introduced. Taken together, these data demonstrate that C66 and B2BrBC are potent agents for suppressing breast cancer cell growth and EMT in vitro. Further investigation is needed to determine the potential clinical use of these compounds in breast cancer treatment. Presentation: Thursday, June 15, 2023
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