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cc-by (c) Reina del Pozo, Manuel et al., 2025
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/231066

New UB006 derivatives with a higher solubility and cytotoxic activity in ovarian cancer cells

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Background/Objectives: The compound (±)-UB006 ((4SR,5SR)-4 (hydroxymethyl)- 3-methylene-5-octyldihydrofuran-2(3H)-one) is a promising anti-cancer molecule. The enantiomer (–)-UB006 displays a potent cytotoxic effect in several tumor cell lines, particularly the ovarian cancer OVCAR-3 cell line, with a 40-fold increase in potency compared with the fatty acid synthase (FAS) inhibitor C75. Furthermore, in vivo, (–)-UB006 reduced the tumor burden in neuroblastoma xenografts. This effect was attributed to FAS inhibition and upregulation of apoptotic markers. However, CoA adducts of UB006 presented low solubility. Methods: We synthesized several (±)-UB006 derivatives by elongating the carbon chain of the primary alcohol and/or by adding hydroxyl groups with the aim of finding more potent and soluble anti-cancer compounds. Results: Our results showed a decrease in cytotoxicity when the carbon chain was elongated by more than two carbons. However, ethyl or propyl polyhydroxylated four-branched compounds showed an increased or maintained potency and solubility. The most promising compound was (±)-UB035 (IC50: 2.1 ± 0.2 µM), with a 2.5-fold increase in cytotoxicity in the OVCAR-3 cell line and a >4-fold increase in solubility (>2 mM) compared with (±)-UB006.

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REINA DEL POZO, Manuel, et al. New UB006 derivatives with a higher solubility and cytotoxic activity in ovarian cancer cells. Pharmaceuticals. 2025. Vol. 18, num. 2, pags. 194. ISSN 1424-8247. [consulted: 3 of August of 2026]. Available at: https://hdl.handle.net/2445/231066

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