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机构地区:[1]苏州大学附属第三医院常州市第一人民医院血液科,213003
出 处:《中华医学遗传学杂志》2010年第1期81-85,共5页Chinese Journal of Medical Genetics
基 金:志谢 江苏省人民医院李建勇主任提供了17例复杂核型标本并在课题的设计方面给予指导,特致谢意
摘 要:目的探讨复杂核型异常白血病患者的p53基因异常的情况及其临床意义。方法使用间期荧光原位杂交技术(interphase fluorescence in situ hybridisation,I-FISH)分析38例复杂核型异常及24例非复杂核型异常的白血病患者的p53基因异常的情况。结果38例复杂核型异常的白血病患者p53基因的缺失频率为44.74%(17/38),24例非复杂核型异常的缺失频率为4.16%(1/24),两者之间差异有统计学意义(P〈0.01)。其中13例伴复杂核型的急性白血病患者完全缓解率15.40%,中位生存时间105天。结论I—FISH可以快速、准确、灵敏的检测出p53基因的缺失,伴复杂核型的白血病患者p53基因缺失频率较高,完全缓解率低,中位生存时间较短。Objective To investigate the p53 deletion in leukemia patients with complex chromosomal abnormalities (CCA) and the clinical significance. Methods The p53 deletion status of 38 leukemia cases with CCA and 24 cases without CCA were analyzed by interphase fluorescence in situ hybridization (I-FISH). Results The frequency of p53 deletion in the 38 patients with CCA (44. 74%) was significantly higher than that in the 24 cases without CCA (4. 16%) (P〈0. 01). The rate of complete remission in 13 cases of acute leukemia with CCA was 15.4%, with median survival time (MST) of 105 days. Conclusion I-FISH is a rapid, accurate and sensitive technique for detection of p53 deletion, patients with CCA have a higher p53 deletion and a lower complete remission rate and MST.
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