Effects of solanine on microtubules system of human breast cancer MCF-7 cells Effects of solanine on microtubules system of human breast cancer MCF-7 cells Effect of ursolic acid on caspase-3 and PARP expression of human MCF-7 cells Inhibition of vinorelbine on invasion and metastasis of breast cancer cell and its mechanism Material basis of cytotoxicity in polysaccharide from Solanum nigrum Reversal of Anti-apoptotic Action by Tetrandrine in Human Breast Carcinoma Multidrug-resistant MCF-7 Cells Material basis of cytotoxicity in polysaccharide from Solanum nigrum