Application of ailanone in preparation of medicine for preventing and/or treating breast cancer

The invention discloses a novel medicinal application of ailanone. The new medicinal application of ailanone is the application of ailanone in preparation of medicines for preventing and/or treating breast cancer. In-vivo and in-vitro experiments show that the compound can significantly inhibit proliferation of breast cancer cells, especially has stronger cytotoxicity to cell strains highly expressed by estrogen receptors, and has application prospects in treatment of breast cancer. 本发明公开了一种臭椿酮的药物新用途。所述臭椿酮的药物新用途是其在制备预防和/或治疗乳腺癌药物中的应用。体内和体外实验表明，该化合物能够显著抑制乳腺癌细胞的增殖，尤其对雌激素受体高表达的细胞株具有更强的细胞毒性，具有治疗乳腺癌的应用前景。