Title : FL118 induces p53-dependent senescence in colorectal cancer cells by promoting degradation of MdmX.

Pub. Date : 2014 Dec 15

PMID : 25512388






9 Functional Relationships(s)
Download
Sentence
Compound Name
Protein Name
Organism
1 FL118 induces p53-dependent senescence in colorectal cancer cells by promoting degradation of MdmX. 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione tumor protein p53 Homo sapiens
2 Here, we report that FL118 activates tumor suppressor p53 as a novel MOA in p53 wild-type cancer cells. 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione tumor protein p53 Homo sapiens
3 Here, we report that FL118 activates tumor suppressor p53 as a novel MOA in p53 wild-type cancer cells. 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione tumor protein p53 Homo sapiens
4 FL118 inhibits p53 polyubiquitination and monoubiquitination by Mdm2-MdmX E3 complex in cells and in cell-free systems. 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione tumor protein p53 Homo sapiens
5 Coimmunoprecipitation revealed that FL118 slightly decreases Mdm2-p53 interactions and moderately increases Mdm2-MdmX interactions, suggesting a change of targeting specificity of Mdm2-MdmX E3 complex from p53 to MdmX, resulting in accelerated MdmX degradation. 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione tumor protein p53 Homo sapiens
6 Coimmunoprecipitation revealed that FL118 slightly decreases Mdm2-p53 interactions and moderately increases Mdm2-MdmX interactions, suggesting a change of targeting specificity of Mdm2-MdmX E3 complex from p53 to MdmX, resulting in accelerated MdmX degradation. 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione tumor protein p53 Homo sapiens
7 Activation of the p53 pathway by FL118 induces p53-dependent senescence in colorectal cancer cells. 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione tumor protein p53 Homo sapiens
8 Activation of the p53 pathway by FL118 induces p53-dependent senescence in colorectal cancer cells. 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione tumor protein p53 Homo sapiens
9 However, in the absence of p53 or in the presence of MdmX overexpression, FL118 promotes p53-independent apoptosis. 7-ethyl-7-hydroxy-10H-1,3-Dioxolo(4,5-g)pyrano(3',4':6,7)indolizino(1,2-b)quinoline-8,11(7H,12H)-dione tumor protein p53 Homo sapiens