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外周血中BAFF、BAFF-R及Bcl-xL的表达与B细胞非霍奇金淋巴瘤疾病进展的相关性研究

Military Medical Sciences(2012)

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Abstract
目的研究B细胞性非霍奇金淋巴瘤(B-NHL)患者外周血B cell-activating factor(BAFF)、其受体BAFF-R及Bcl-xL基因的表达,探讨其与B-NHL疾病进展的相关性。方法应用实时荧光定量PCR法检测36例B-NHL患者外周血单个核细胞(PBMC)BAFF、BAFF-R、Bcl-xL mRNAs的相对表达水平,以7例健康献血员作为对照,并据性别、淋巴瘤国际预后指数(IPI)、年龄、临床分期、是否耐药进行分组比较。结果 B-NHL患者PBMC BAFF、BAFF-R及Bcl-xL的mRNAs表达较正常对照组显著升高(P<0.05),Ⅲ/Ⅳ期高于Ⅰ/Ⅱ期,耐药B-NHL组高于非耐药组(P<0.05)。结论外周血单个核细胞BAFF、BAFF-R、Bcl-xL mRNAs的表达水平与B-NHL临床分期有关,在耐药B-NHL外周血中明显升高,提示BAFF/BAFF-R介导的信号通路可能参与B-NHL的临床进展及耐药机制。
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Key words
BAFF-R,BAFF,receptor,neoplasm,drug resistance,Bcl-xL,gene expression,B-cell activating factor,B cell non-Hodgkin′s lymphoma
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