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循环miR-152在多发性骨髓瘤中的表达与临床意义

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摘要 目的检测mi R-152在多发性骨髓瘤(MM)患者血清中的表达水平,探讨其作为MM肿瘤标志物的潜在价值。方法以30例缺铁性贫血患者为相关疾病对照组,30例体检健康者为健康人对照组,40例初诊MM患者为MM组,提取各组血清RNA样本;实时荧光定量PCR检测各组血清mi R-152的表达水平;PCR扩增产物进行基因测序;ROC曲线分析其诊断MM的临床效能;Beckman Immage特种蛋白分析仪检测MM组血清Ig A、Ig G和Ig M浓度;采用Kaplan-Meier法分析mi R-152的表达水平与MM患者预后的关系。结果 MM组血清mi R-152的表达水平[1.40(0.90,2.24)]高于相关疾病对照组[1.07(0.60,1.63)]和健康人对照组[0.20(0.07,0.54)],差异有统计学意义(U分别为424.50和85.50,P均<0.05);而MM患者治疗后[0.97(0.41,1.88)]较治疗前[1.66(1.15,2.42)]血清mi R-152表达水平明显降低(U=63.00,P=0.027);基因测序结果证实其为成熟mi R-152序列;血清mi R-152诊断MM的ROC曲线下面积(AUCROC)为0.79(95%CI:0.70~0.87,P<0.05),当cut-off值为0.62时,其敏感性和特异性分别为90.00%、56.67%;血清mi R-152的表达与MM患者总体生存率有关(HR=4.36,95%CI:1.23~15.43,P=0.022);mi R-152的相对表达量与Ig A、Ig G和Ig M浓度总和呈正相关(r=0.39,P=0.012),而与Ig A、Ig G或Ig M浓度无明显相关性(r分别为0.30,-0.005和-0.18,P均>0.05)。结论血清mi R-152在MM患者血清中的表达水平升高,可能会作为MM的鉴别诊断和预后的标志物。
出处 《临床检验杂志》 CAS CSCD 2018年第8期609-611,616,共4页 Chinese Journal of Clinical Laboratory Science
基金 南通市科技项目(MS22015055)
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