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作 者:陈宝安[1] 夏国华[1] 李建勇[2] 肖冰[2] 邵泽叶[1] 陈宁娜[1] 高冲[1] 吴雨洁[2]
机构地区:[1]东南大学附属中大医院血液科,南京210009 [2]南京医科大学第一附属医院,南京210029
出 处:《中国实验血液学杂志》2006年第1期46-49,共4页Journal of Experimental Hematology
基 金:This study was supported by National Natural Science Foundation(国家自然科学基金资助)(No.00-R-318)
摘 要:本研究的目的是观察伴有5号染色体缺失的MDS细胞株MUTZ-1细胞的遗传学变化。首先采用R显带技术对染色体标本进行核型分析,再以Vysis Spectra VysionTMM-FISH作为探针,检测并分析其复杂异常核型。结果表明: M-FISH分析显示有明显的高频率染色体的易位、插入、断裂与重接、缺失、数目增多;染色体分析揭示核型为50, xx, der(1) t(1;2), ins(1;14), +der(2)t(2;19), der(3)t(3;5), der(3)(3::5::22), 5q-, der(6)t(3;6), der(7)(18::7::17), +8, +der(9)t(1;9), der(10)t(1;10), +11, +12, der(? 13)(10::13::5::8), der(14)t(8;14), der(14)t(14,15), der(15)t(15;21)×2, +17, +18,-21,-22.结论: MDS细胞株MUTZ-1在M-FISH检测下有显著复杂的核型变化;M-FISH能增加高度复杂的异常染色体检测的准确性,有助于MDS的诊断和预后评估。This study was aimed to investigate the cytogenetic changes of MDS cell line ( MUTZ-1 ) with chromosome 5q deletion. R-banding analysis was used to identify chromosome aberrations in MDS cell line and Vysis Spectra VysionTM M-FISH was used to further characterize chromosomal complex karyotype. The results indicated that M-FISH exhibited obvious chromosomal aberrations with high frequency including translocation, insertion, breakage and rearrangement, deletion and increasement of chromosome number, the complex karyotype of MLTZ-1 was shown as 50 , xx, der(1)t(1;2), ins(1;14), +der(2)t(2;19), der(3) t(3;5), der(3)(3::5::22),5q-,der(6)t(3;6),der(7) (18::7::17), +8, +der(9)t(1;9), der(10)t(1;10), +11, +12,der(? 13)(10::13:5:8),der(14)t(8;14), der( 14)t( 14,15), der( 15)t( 15;21 )×2, + 17, + 18, -21, -22. It is concluded that M-FISH analysis revealed obvious changes in complex karyotype of MDS cell line MUTZ-1, and the M-FISH technique can increase accuracy of detection for chromosomal comolex karvotvoe, and help diagnosis and prognostic evaluation of MDS.
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