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China Pharmacy ; (12): 2613-2616, 2017.
Article in Chinese | WPRIM | ID: wpr-620746

ABSTRACT

OBJECTIVE:To study the effect and its mechanism of Fuzheng Jiedu Quyu formula(short forFuzheng formula) combined with oxaliplatin (L-OHP) on human colon cancer HT-29 cell proliferation and apoptosis. METHODS:HT-29 cells were divided into blank control group(without drugs),Fuzheng formula group(1000 mg/L),L-OHP group(31.25 mg/L)and combi-nation group (1000 mg/L Fuzheng formula+31.25 mg/L L-OHP). After cultured with corresponding drug for 48 h,MTT method was used to detect the cell proliferation;the changes of cellular morphology were observed by invert microscope;flow cytometry was used to detect the cell cycle and apoptosis rate. Proapoptotic gene Bax,apoptotic gene Bcl-2 mRNA expressions were deter-mined by real-time fluorescence quantitative polymerase chain reaction method;Bax,Bcl-2 protein expressions were assayed by Western blot. RESULTS:Compared with blank control group,cell proliferation was inhibited in L-OHP group and combination group;cell proportion was increased in S stage,G2/M stage and decreased in G0/G1 stage(P<0.05). Cell apoptosis rate in L-OHP group,Fuzheng formula group and combination group was increased;Bax mRNA and protein expression were up-regulated,Bcl-2 mRNA expression was downregulated(P<0.05);and combination group changed more obviously than the single drug groups(P<0.05). CONCLUSIONS:Fuzheng formula combined with L-OHP can inhibit HT-29 cell proliferation and promote its apoptosis, showing better effects than either of the two drugs alone. The mechanism may be associated with up-regulation of Bax gene and pro-tein expressions and down-regulation of Bcl-2 gene expressions in cells.

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