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C.-Y. Huang B. K. Velmurugan M.-C. Chen C. H. Day W.-S. Chien V. V. Padma 《Biotechnic & histochemistry》2013,88(5):374-380
ABSTRACTKHC-4 is a 2-phenyl-4-quinolone analogue that exhibits anticancer activity. Aberrant activation of β-catenin signaling contributes to prostate cancer development and progression. Therefore, targeting β-catenin expression could be a useful approach to treating prostate cancer. We found that KHC-4 can inhibit β-catenin expression and its signaling pathway in DU145 prostate cancer cells. Treatment with KHC-4 decreased total β-catenin expression and concomitantly decreased β-catenin levels in both the cytoplasm and nucleus of cells. KHC-4 treatment also inhibited β-catenin expression and that of its target proteins, PI3K, AKT, GSK3β and TBX3. We monitored the stability of β-catenin with the proteasomal inhibitor, MG132, in DU145 cells and found that MG132 reversed KHC-4-induced proteasomal β-catenin degradation. We verified CDK1/β-catenin expression in KHC-4 treated DU145 cells. We found that roscovitine treatment reversed cell proliferation by arresting the cell cycle at the G2/M phase and β-catenin expression caused by KHC-4 treatment. We suggest that KHC-4 inhibits β-catenin signaling in DU145 prostate cancer cells. 相似文献
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Vitamin D3 promotes the differentiation of colon carcinoma cells by the induction of E-cadherin and the inhibition of β-catenin signaling 下载免费PDF全文
Hctor G. Plmer Jos Manuel Gonzlez-Sancho Jesús Espada María T. Berciano Isabel Puig Josep Baulida Miguel Quintanilla Amparo Cano Antonio García de Herreros Miguel Lafarga Alberto Muoz 《The Journal of cell biology》2001,154(2):369-388
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