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环孢霉素A逆转复发难治性白血病多药耐药的临床研究
引用本文:李晓明 吴谨绪. 环孢霉素A逆转复发难治性白血病多药耐药的临床研究[J]. 中华血液学杂志, 1997, 18(2): 73-75
作者姓名:李晓明 吴谨绪
作者单位:华西医科大学第一临床医学院血液科,泸州医学院附属第一医院血液科
摘    要:目的:探讨环孢霉素A(CsA)逆转复发难治性急性白血病的临床意义及推广价值。方法:采用免疫组织化学ABC法,p170单抗JSB-1检测复发难治性白血病的p170表达,并对阳性患者随机分组,用CsA加联合化疗进行逆转多药耐药研究,同时采用高效液相色谱法检测CsA血药浓度,探讨CsA血药浓度和逆转疗效间的关系。结果:p170在复发难治性白血病中有高表达;CsA有较好逆转复发难治性白血病多药耐药的作用(P<0.05);CsA血药浓度和逆转疗效呈正相关。结论:CsA可能成为安全有效的逆转药物,在治疗复发难治性AL中有较大临床意义及推广价值。

关 键 词:P糖蛋白  多药耐药  逆转  白血病

Clinical study on reversal of multidrug resistance in refractory and relapsed acute leukemias by cyclosporin A
Li Xiaoming,Wu Jinxu,Zhang Liansheng,et al.. Clinical study on reversal of multidrug resistance in refractory and relapsed acute leukemias by cyclosporin A[J]. Chinese Journal of Hematology, 1997, 18(2): 73-75
Authors:Li Xiaoming  Wu Jinxu  Zhang Liansheng  et al.
Affiliation:First Clinical Medical College, West China University of Medical Sciences, Chengdu 610041.
Abstract:Objective:To explore the clinical implication of reversal of multidrug resistance (MDR) by cyclosporin A (CsA) in refractory and relapsed acute leukemias.Methods:The expression of p170 was assayed by immunocytochemical method (Avidin Biotin Complex,ABC) using a monoclonal antibody JSB 1 against p170. The p170 positive cases were randomly divided into two groups:trial group (with CsA as revertant) and control group (without CsA) ,and the blood concentration of CsA was detected by HPLC.Results:The complete remission rates were 53% and 20% in trial and control group,respectively (P<0.05),and the reversing effect was positively correlated with blood concentration of CsA.Conclusion: CsA might be a safe and effective revertant, and can be applied in the treatment of refractory and relapsed acute leukemia.
Keywords:P glycoprotein Multidrug resistance Reversal Leukemia  
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