Molecular genetics and lymphoproliferative disorders

Molecular genetics and lymphoproliferative disorders
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分子遗传学和淋巴增殖性疾病

DOI:
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发表时间:
1996
期刊:
Journal of clinical laboratory analysis (Print)
影响因子:
--
通讯作者:
J. Lust
J. Lust
中科院分区:
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文献类型:
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作者:
J. Lust

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T和B细胞淋巴增生性疾病的克隆性可通过基因重排研究确定,当形态学和表面免疫染色不能诊断时。TcR和IG基因重排已被证明在许多不同的血液系统疾病和TcR基因重排已被特别有用的诊断与CD 8大颗粒淋巴细胞白血病患者。TcR基因重排也可能有助于区分霍奇金病和T细胞非霍奇金淋巴瘤。基因重排通常通过Southern分析进行,并且运行多个酶探针组合以最大化克隆重排的检测是有益的。最近,一些实验室已经开始使用聚合酶链反应(PCR)进行基因重排分析。PCR提供了改进的周转时间,消除了部分消化伪影,并允许使用石蜡包埋的材料。除了TcR和IG基因的重排外,其他基因如bcl-1、bcl-2、bcl-6和c-myc的改变分析也可用作克隆标记物,并有助于淋巴瘤的分类。© 1996 Wiley利斯公司
Clonality of T‐ and B‐cell lymphoproliferative disorders can be determined by gene rearrangement studies when morphology and surface immunostaining are nondiagnostic. TcR and Ig gene rearrangements have been demonstrated in many different hematologic disorders and TcR gene rearrangement has been particularly useful in the diagnosis of patients with CD8 large granular lymphocyte leukemias. TcR gene rearrangement may also be useful to distinguish Hodgkin's disease from T‐cell non‐Hodgkin's lymphoma. Gene rearrangement is usually performed by Southern analysis, and it is beneficial to run multiple enzyme‐probe combinations to maximize the detection of clonal rearrangements. More recently, several laboratories have begun to use polymerase chain reaction (PCR) for gene rearrangement analysis. PCR offers an improved turnaround time, eliminates partial digestion artifacts, and allows for the use of paraffin embedded material. In addition to rearrangements of the TcR and Ig genes, analysis of alterations in other genes such as bcl‐1, bcl‐2, bcl‐6, and c‐myc are also useful as clonal markers and aid in the classification of lymphomas. © 1996 Wiley‐Liss, Inc.
DOI: 10.1016/0198-8859(90)90021-g
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影响因子: 2.7
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DOI: --
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发表时间: 1990-08
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