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放射及化学治疗对RB细胞系HXO-Rb44细胞的影响
引用本文:徐和平,王成业,祝和成,顾焕华,刘双珍,许雪亮.放射及化学治疗对RB细胞系HXO-Rb44细胞的影响[J].中华眼底病杂志,1995,11(1):15-18.
作者姓名:徐和平  王成业  祝和成  顾焕华  刘双珍  许雪亮
作者单位:410008 长沙,湖南医科大学湘雅医院眼科(徐和平、王成业、刘双珍、许雪亮),肿瘤研究所(祝和成、顾焕华)
摘    要:作者用人视网膜母细胞瘤细胞系HXO-Rb44进行顺铂(DDP)、阿霉素(ADM)和长春新碱(VCR)分别联合放射线对该细胞系杀伤效应的研究。结果提示,这三种药物在低剂量时,都可增强放射线对RB细胞的杀伤作用:高剂量时,则主要表现为两种方法的协同作用。DDP、ADM两种药物,在放射线照射前后运用无明显差别;VCR于照射前运用,效果明显优于照射后运用。DDP和ADM是通过抑制细胞的潜在致死损伤和亚致死损伤的修复,增加放疗效果,VCR只抑制细胞的潜在致死损伤的修复,起放射增敏作用。 (中华眼底病杂志,1995,11:15-18)

关 键 词:视网膜  母细胞瘤  细胞系  放射疗法  化学疗法
收稿时间:1994-03-30
修稿时间:1994-09-03

THE EFFECT OF COMBINING CHEMOTHERAPY AND RADIOTHERAPY ONRETINOBLASTOMA CELL LINE:HXO-Rb44
Xu Heping,Wang Chengye,Zhu Hecheng.et al..THE EFFECT OF COMBINING CHEMOTHERAPY AND RADIOTHERAPY ONRETINOBLASTOMA CELL LINE:HXO-Rb44[J].Chinese Journal of Ocular Fundus Diseases,1995,11(1):15-18.
Authors:Xu Heping  Wang Chengye  Zhu Hecheng
Institution:Department of Ophthalmology, Xiangya Hospital, Hunan Medical University. Changsha 410008
Abstract:We studied tile effects of ehemotherapeuties (DDP,VCR,ADM) and radiation onretinoblasoma cell line: HXO-Rb44 using MTT assay. The enhancement of radiation response in HXO-Rb44 were respectively found in those three agents at rile lower dose,and synergic effects at the higher dose. There were no difference between DDP(or ADM) radiafion and radiation+DDP(or ADM),VCR radiation had better effect than radiation+VCR. DDP and ADM suppressed the ahility of repairing of sublethal damage (SLD)and potential lethal damage (PLD),VCR only decreased accumulation of repairing of PLD. (Chin J Ocul Fundus Dis,1995,11:15-18)
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