ABSTRACT
Objective To investigate the effect of PARP inhibitor 5-AIQ on PARP/NF-?B P65 complex and the NF-?B activity in murine colon carcinoma CT26 cells.Methods The murine colon carcinoma CT26 cells were treated with 5-AIQ in vitro.The expressions of PARP and NF-?B P65 were analyzed by Western Blot.The PARP/NF-?B P65 complex was analyzed by co-immunoprecipitation.The NF-?B binding activity was detected by electrophoretic mobility shift assay(EMSA).Results Compared with 5-AIQ-untreated group,the expressions of PARP and NF-?B P65 were markedly decreased in 5-AIQ-treated colon carcinoma CT26 cell groups(P
ABSTRACT
Objective:To investigate the relationship between poly(ADP-ribose)polymerase(PARP) inhibition and the growth activity of murine colon carcinoma CT26 cell lines in vitro.Methods:The murine colon carcinoma CT26 cell lines were treated with PARP inhibitior 5-AIQ in vitro.MTT assay was used to determine the growth activity of CT26 cells.The expressions of PARP and NF-?B p65 in the nuclei of CT26 cells were investigated by double labelling immunofluorescence and laser scanning cofocal microscope.Results:The inhibitory rates of the growth in 5-AIQ-treated colon carcinoma CT26 cell groups were 17.52%、27.63% and 39.93%,respectively.The inhibitory rate increased with the raising of the 5-AIQ concentration(0.1mmol/L,0.5mmol/L,and1.0mmol/L),and the difference was significant(P
ABSTRACT
Objective To study the effect of poly(ADP-ribose)polymerase(PARP)inhibitor 5-AIQ on the adhesion,migration and invasion of mouse colon adenocarcinoma cell line(CT26).Methods The expression of PARP after 5-AIQ treatment was detected Western blot.The cell adhesion,migration and invasion of CT26 after 5-AIQ treatment were observed by cell-matrix adhesion assay,cell migration assay and matrigel invasion assay.Results The expression of PARP in 5-AIQ-treated CT26 was weaker than that in 5-AIQ-untreated cells(P