Clin Lab:GPC3和GP73诊断肝细胞癌的价值

2017-12-12 MedSci MedSci原创

与肝硬化患者相比,HCC患者血清GPC3和GP73的表达明显升高。GPC3和GP73可能是HCC的有效非侵入性诊断指标

研究背景:在我国过去的几十年里,肝细胞癌(HCC)的发病率有所上升。目前HCC的筛选方法,例如甲胎蛋白(AFP)联合肝脏超声检查,仍不尽人意。许多HCC患者在被诊断出HCC时,已经丧失了最佳治疗时期。本研究旨在评估磷脂酰肌醇聚糖3(GPC3)和高尔基体糖蛋白73(GP73)诊断HCC的临床价值。

研究方法:本研究共纳入39例HCC患者和31例肝硬化患者。采用ELISA检测患者血清GPC3和GP73水平。采用qRT-PCR检测外周血单核细胞和肝组织GPC3 mRNA和GP73 mRNA的表达水平。在此基础上,绘制受试者工作特征曲线下面积(ROC)评估血清GPC3和GP73诊断HCC的敏感性和特异性。

研究结果:HCC组患者血清GPC3和GP73水平显著高于肝硬化患者GPC3和GP73水平(p < 0.0001)。GPC3 > 9.3 mug/L and GP73 > 77.68 ng/mL的患者,获得HCC的风险为92.31%。HCC诊断ROC曲线分析表明,当设定GPC3临界值> 9.3 mug/L时,AUC = 0.956。GPC3的敏感性和特异性分别是89.74%和96.77%,阳性预测值为97.2%,阴性预测值为88.2%。当GP73临界值> 77.68 ng/mL,AUC = 0.937。GP73的敏感性和特异性分别是92.31%和83.7%,阳性预测值为87.8%,阴性预测值为89.7%。血清GPC3和GP73的AUC之间无显著性差异(p > 0.05),表明这两种生物标志物在HCC预测中是等价的。

研究结论:与肝硬化患者相比,HCC患者血清GPC3和GP73的表达明显升高。GPC3和GP73可能是HCC的有效非侵入性诊断指标。

原始出处

Jing JS, Ye W, Jiang YK, et al. The Value of GPC3 and GP73 in Clinical Diagnosis of Hepatocellular Carcinoma. Clin Lab, 2017, Nov 1;63(11):1903-1909. doi: 10.7754/Clin.Lab.2017.170712.
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    2018-06-02 xjy02
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    2018-05-07 licz0432

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