Quercetin can act on the G1/S check point of transplantation tumor, inhibits the cell proliferation and cyclin D1 expression of transplantation tumor, retards the growth of tumor.

• 槲皮素可作用于MCF 7移植瘤的G1/S节点 ,可抑制移植瘤细胞增殖及cyclinD1表达 ,延缓肿瘤生长。