急性粒-单核细胞白血病的免疫表型及细胞遗传学特征
R733.71%R730.3; 背景与目的:白血病中某些抗原的表达与细胞遗传学的改变密切相关.本研究旨在探讨急性粒-单核细胞白血病(acute myelomonocytic leukemia,M4)的免疫表型特征,并分析其与细胞遗传学的关系,为其诊断及治疗提供依据.方法:采用一组系列相关单克隆抗体和三色流式细胞术对81例M4患者进行免疫表型分析,并分析有核型资料的73例患者的核型异常;同时应用双色间期荧光原位杂交(fluorescence in situ hybridization,FISH)技术对有染色体标本的35例患者进行inv(16)检测,并分析inv(16)阳性患者的免疫表型特征.结果...
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Published in | 癌症 Vol. 25; no. 10; pp. 1252 - 1255 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | Chinese |
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南京医科大学第一附属医院江苏省人民医院血液科,江苏,南京,210029
2006
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Abstract | R733.71%R730.3; 背景与目的:白血病中某些抗原的表达与细胞遗传学的改变密切相关.本研究旨在探讨急性粒-单核细胞白血病(acute myelomonocytic leukemia,M4)的免疫表型特征,并分析其与细胞遗传学的关系,为其诊断及治疗提供依据.方法:采用一组系列相关单克隆抗体和三色流式细胞术对81例M4患者进行免疫表型分析,并分析有核型资料的73例患者的核型异常;同时应用双色间期荧光原位杂交(fluorescence in situ hybridization,FISH)技术对有染色体标本的35例患者进行inv(16)检测,并分析inv(16)阳性患者的免疫表型特征.结果:81例M4患者中48例(59.3%)表达干细胞标志CD34;髓系标志以CD33(84.0%)表达最高,其次为CD13(81.5%)和CD14(24.7%);分别有23例(28.4%)和10例(12.3%)患者表达T系和B系相关抗原.11例M4Eo患者中CD13均阳性,10例CD33阳性,7例CD34阳性,5例CD2阳性.FISH检测发现14例患者inv(16)阳性,其中CD13阳性13例,CD33阳性11例,CD34阳性8例,CD14阳性5例,CD7阳性3例,CD2阳性3例.73例M4患者中,异常染色体检出率为41.1%(30/73),共检出11种主要异常核型.CD2和CD34在染色体异常患者中表达明显增高,而CD14表达减低.CD2在M4Eo中表达增高,但其表达与inv(16)无显著性相关.结论:急性粒-单核细胞白血病以髓系抗原表达为主,CD2和CD34在染色体异常患者中表达明显增高;CD2在M4Eo中表达增高.Inv(16)在M4中占40%,各抗原表达与inv(16)无显著相关性. |
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AbstractList | R733.71%R730.3; 背景与目的:白血病中某些抗原的表达与细胞遗传学的改变密切相关.本研究旨在探讨急性粒-单核细胞白血病(acute myelomonocytic leukemia,M4)的免疫表型特征,并分析其与细胞遗传学的关系,为其诊断及治疗提供依据.方法:采用一组系列相关单克隆抗体和三色流式细胞术对81例M4患者进行免疫表型分析,并分析有核型资料的73例患者的核型异常;同时应用双色间期荧光原位杂交(fluorescence in situ hybridization,FISH)技术对有染色体标本的35例患者进行inv(16)检测,并分析inv(16)阳性患者的免疫表型特征.结果:81例M4患者中48例(59.3%)表达干细胞标志CD34;髓系标志以CD33(84.0%)表达最高,其次为CD13(81.5%)和CD14(24.7%);分别有23例(28.4%)和10例(12.3%)患者表达T系和B系相关抗原.11例M4Eo患者中CD13均阳性,10例CD33阳性,7例CD34阳性,5例CD2阳性.FISH检测发现14例患者inv(16)阳性,其中CD13阳性13例,CD33阳性11例,CD34阳性8例,CD14阳性5例,CD7阳性3例,CD2阳性3例.73例M4患者中,异常染色体检出率为41.1%(30/73),共检出11种主要异常核型.CD2和CD34在染色体异常患者中表达明显增高,而CD14表达减低.CD2在M4Eo中表达增高,但其表达与inv(16)无显著性相关.结论:急性粒-单核细胞白血病以髓系抗原表达为主,CD2和CD34在染色体异常患者中表达明显增高;CD2在M4Eo中表达增高.Inv(16)在M4中占40%,各抗原表达与inv(16)无显著相关性. |
Author | 吴雨洁 杨慧 李丽 李建勇 周惠芬 仇海荣 |
AuthorAffiliation | 南京医科大学第一附属医院江苏省人民医院血液科,江苏,南京,210029 |
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