ArticleJournal of cancer science and clinical therapeutics2023
Cholesterol Biosynthesis Inhibitor RO 48-8071 Suppresses Growth of Epithelial Ovarian Cancer Cells in Vitro and In Vivo.
Article in Journal of cancer science and clinical therapeutics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 6 citations in OpenAlex.
- Cholesterol biosynthesis as a drug-induced vulnerability in diffuse large B cell lymphoma insensitive to EZH2 inhibition.Neoplasia (New York, N.Y.) · 2025Article
- Inhibition of lanosterol synthase linking with MAPK/JNK signaling pathway suppresses endometrial cancer.Cell death discovery · 2025Article
- GDF15 promotes the resistance of epithelial ovarian cancer cells to gemcitabine via DHCR24-mediated cholesterol metabolism to elevate ABCB1 and ABCC1 levels in lipid rafts.American journal of cancer research · 2025Article
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Authors and funding
3 authors at 2 institutions in 1 country.
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Abstract
Introduction: Epithelial Ovarian Cancer (EOC) cells express enzymes in the cholesterol biosynthetic pathway, making this pathway an attractive therapeutic target for controlling ovarian cancer. Potent small molecule inhibitors of one biosynthetic enzyme, Oxidosqualene Cyclase (OSC), have been identified, and RO 48-8071 (4'-[6-(allylmethylamino)hexyloxy]-4-bromo-2'-fluorobenzophenone fumarate) (RO), has emerged as a useful chemotherapeutic agent for breast and prostate cancer. Methods: Cell viability assays were performed to determine effects of RO 48-8071 on growth of EOC cells. Aldehyde Dehydrogenase (ALDH) assay was conducted to determine the effects of drug on reducing stem cell like properties of EOC cells. Finally, xenograft studies were performed to assess the ability of RO 48-8071 to inhibit the growth of EOC cells in vivo. Results: We found that short-term (24-48 h) administration of pharmacological doses of RO effectively reduced the viability of drug-resistant EOC cells (SK-OV-3 and OVCAR-3), as determined with sulforhodamine B colorimetric assays. In 7-day assays, nanomolar concentrations of RO effectively inhibited the growth of EOC cells. RO also suppressed ALDH activity, a marker of stem cells. Importantly, RO significantly suppressed growth of xenografts derived from EOC cells when given to mice intraperitoneally (20-40 mg kg Conclusion: Cholesterol biosynthesis inhibitor RO 48-8071 is thus a novel and potent inhibitor of human EOC, including EOC stem cells.
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