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Eupatilin inhibited the growth of MCF10A-ras cells in a concentration-dependent and time-related manner. To explore whether the anti-proliferative effects of eupatilin could be mediated through modulation of the cell cycle in MCF10A-ras, DNA contents were analyzed by the flow cytometry. Eupatilin inhibited the expression of cyclin D1, cyclin B1, Cdk2 and Cdc2 that are key regulators of the cell cycle. In addition, eupatilin treatment led to elevated expression of p53 and p27Kip1 that act as Cdk inhibitors. It has been known that the Ras-signaling pathway plays integral roles in the induction of cyclin D1. Eupatilin inhibited the activation of ERK1/2 as well as expression of Raf-1 and Ras in MCF10A-ras cells. Thus, the inhibitory effect of eupatilin on cyclin D1 expression appears to be mediated by targeting the Raf/MEK/ERK signaling cascades. Eupatilin did not change activation of Akt, an important component of cell-survival pathways. In conclusion, the anti-proliferative effect of eupatilin in MCF10A-ras cells is associated with its blockade of cell cycle progression which appears to be attributable in part to inhibition of ERK1/2 activation. For the detailed information of Eupatilin, the solubility of Eupatilin in water, the solubility of Eupatilin in DMSO, the solubility of Eupatilin in PBS buffer, the animal experiment（test） (test) of Eupatilin, the cell expriment (test) of Eupatilin, the in vivo, in vitro and clinical trial test of Eupatilin, the EC50, IC50,and Affinity of Eupatilin,, please contact DC Chemicals. |
