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| A primary study of artesunate accociated with carboplatin on retinoblastoma in mice |
| WANG Huiyan1,2,MIAO Lixia2,SUN Yanfeng2,LI Yanshan2,LIU Hongyan2, WANG Jun2,YUAN Hailian2,ZHANG Xianglan2, LIU Qiuling2 |
1.Xuzhou Medical College, Xuzhou 221002,China;
2.Department of Pediatrics, The General Hospital of Chinese People’s Armed Police Forces, Beijing 100039,China |
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Abstract Objective This study was designed to determine the combined therapeutic effects of artesunate and carboplatin in treating retinoblastoma, compared with carboplatin alone, artesunate alone and control groups after having established newborn mice retinoblastoma model successfully. Methods (1)The cell line RBY-79 in a single-cell suspension was implanted into the right vitreous body of newborn littermates to set up a retinoblastoma xenograft model.(2)Mice bearing palpable tumors were randomly divided into four independent groups after all retinoblastoma xenograft models had been established, respectively, combined group, carboplatin group, ART group and control group. Our aims were to observe and compare the tumor size and survival time of retinoblastoma newborn mice in different groups. Results (1)Retinoblastoma xenograft models of newborn mice were successfully established and a consistent and statistically significant difference was found in the tumor weight between the right and left eyes (P<0.0001).(2)①The tumor weights in combined group, carboplatin group and ART group were significantly less than that in control (P<0.0001,P<0.0001,P=0.0015), at the same time, the survival time in these the former two groups were longer (P=0.0253,P=0.0253), that in ART group was not longer(P=0.8722). ②The tumor weights in combined group, carboplatin group were significantly less than that in ART group (P=0.0084, P=0.0015), and the survival time in the two groups were longer (P=0.0240, P=0.0239). ③The tumor weight in combined group was significantly no less than that in carboplatin group and the survival time was not longer (P=0.7980, P=1.0000). Conclusions In our study, we can find that combined treatment, carboplatin and ART can significantly inhibit the growth of retinoblastoma in vivo. However, ART does not significantly enhance the antitumor effects of carboplatin during the treatment.
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Received: 03 March 2015
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2015, Vol. 26 
