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细胞色素C对柔红霉素诱导AML细胞凋亡的影响 预览 被引量：1

Influence of Cytochrome C on Apoptosis Induced by Daunorubicine in Acute Myeloid Leukemia (AML) Cells
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摘要 为了研究细胞色素C体外作用急性非淋巴细胞性白血病(AML)细胞的效应及其对柔红霉素(DNR)诱导AML细胞凋亡的影响,分别采用瑞氏-姬姆萨染色和硝基四氮唑蓝还原试验观察细胞色素C引起AML细胞的分化效应;用流式细胞术检测和荧光染色方法检测AML细胞的凋亡效应.结果表明:①不同浓度的细胞色素C单独作用AML细胞产生的效应不同:浓度为10μl/ml的细胞色素C作用AML细胞可产生分化效应;浓度为20μl/ml的细胞色素C作用AML细胞,产生明显的凋亡效应;浓度为40μl/ml的细胞色素C作用AML细胞,可导致细胞的坏死.②浓度为10.0μg/ml的细胞色素C预先作用AML细胞导致DNR诱导的细胞凋亡率明显降低(P＜0.01),浓度为20.0μg/ml的细胞色素C预先作用对DNR诱导的细胞凋亡率影响不大(P＞0.05).③如果DNR预先作用AML细胞后再经细胞色素C处理,两种浓度的细胞色素C均可使DNR诱导的细胞凋亡率明显增高(P＜0.01).结论:细胞色素C对柔红霉素(DNR)诱导AML细胞凋亡可能有一定的影响. The purpose was to study the responses of AML cell treated with cytochrome C and to explore the influence of cytochrome C on apoptosis of AML cell induced by daunorudicine (DNR). The differentiation of AML cell was detected by Wright-Giemsa staining and NBT test, the apoptosis of AML cell was assayed by flow cytometry and fluorescence microscopy. The results showed as follows: (1) different concentrations of cytochrome C could induce different effects on AML cells. Concentration of cytochrome C for differentiation was 10 μ l/ml, for apoptosis was 20 μ l/ml, and for necrosis was 40 μ l/ml. ( 2) the apoptosis of AML cells decreased with the administration of cytochrome C in 10.0 μ lg/ml before treating AML cells with DNR ( P <0.01), but no change was shown with the administration of cytochrome C in 20.0 μ l/ml ( P >0.05). (3) in reverse sequence, administrating of cytochrome C in 10 μ l/ml and 20 μ l/ml after treating AML cells with DNR, two different concentrations of cytochrome C could increase the apoptosis of AML cells ( P <0.01). It is suggested that cytochrome C may probably affect the apoptosis of AML cells induced by DNR.
作者 陈日玲 陈铭珍 蔡康荣 方希敏 叶中绿 CHEN Ri-Ling, CHEN Ming-Zhen, CAI Kang-Rong, FANG Xi-Min, YE Zhong-Lu Department of Pediatrics, Central Laboratory, Affiliated Hospital, Guangdong Medical College, Zhanjiang 524001, China
机构地区 广东医学院附属医院儿科 广东医学院中心实验室
出处 《中国实验血液学杂志》 CAS CSCD 2005年第2期 282-285,共4页 Journal of Experimental Hematology
基金 广东省湛江市科技局基金
关键词 急性髓系白血病细胞 细胞色素C 柔红霉素 细胞凋亡 acute myeloid cell cytochrome C daunorubicine apoptosis
分类号 R733.71 [医药卫生—肿瘤][医药卫生—临床医学]
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参考文献7

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中国实验血液学杂志
2005年 第2期
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