Abstract
Although ginseng seed oil (GSO) appears to have various roles in the body, its anti-cancer effect has not been investigated. Tamoxifen is widely used to treat estrogen receptor-positive (ER+) breast cancer but shows adverse effects with drug resistance. This study investigated the effect of GSO in ER+ breast cancer cell growth. Cell viability assays, western blots and Annexin V staining were conducted to examine cell viability and apoptosis. The synergistic effect of tamoxifen in combination with GSO or oleic acid (OA) was determined. GSO and OA caused apoptosis of MCF-7 ER+ breast cancer cells and had synergistic effects with tamoxifen in inhibiting tamoxifen-resistant MCF-7 (MCF-7TAMR) ER+ breast cancer cell growth. GSO may block ER+ breast cancer recurrence in combination with tamoxifen.
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