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Clinical significance of serum miR-888-5p in patients with primary hepatocellular carcinoma

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Author:
No author available
Journal Title:
World Chinese Journal of Digestology
Issue:
7
DOI:
10.11569/wcjd.v28.i7.247
Key Word:
miRNA;原发性肝细胞癌;诊断;临床特征;预后

Abstract: 背景miR-888-5p高表达于原发性肝细胞癌(hepatocellular carcinoma,HCC)组织及-HCC细胞系,可促进肿瘤细胞侵袭及转移,与疾病分期及预后不良相关.然而HCC患者血清中miR-888-5p的表达水平尚未被检测,血清miR-888-5p对于HCC诊断及预后判断相关价值尚未被评估.目的检测HCC患者血清中miR-888-5p表达水平,探究其对HCC的诊断价值及与临床特征之间的关系.方法收集68例HCC患者、46例慢性乙型病毒性肝炎(chronic hepatitis B,CHB)患者、43例肝硬化(liver cirrhosis,LC)患者,及40例同期健康体检者,实时荧光定量聚合酶链反应(quantitative real-time polymerase chain reaction,qRT-PCR)法检测血清中miR-888-5p表达量,受试者工作特征(receiver operating characteristic,ROC)曲线评估其诊断HCC的价值,并分析与HCC临床特征之间的关系.结果HCC患者血清中miR-888-5p表达量较CHB、LC及健康者显著上调(P<0.05).ROC曲线提示,联合检测ROC曲线下面积(area under curve,AUC)为0.907,敏感性91.18%,特异性72.50%)对HCC诊断价值优于分别检测血清miR-888-5p (AUC=0.737,敏感性79.41%,特异性62.50%)及甲胎蛋白(alpha-fetoprotein,AFP)(AUC =0.819,敏感性73.53%,特异性97.50%),且对AFP阴性HCC也具有较高的诊断价值:AUC=0.793,敏感性90.90%,特异性62.50%.此外,miR-888-5p表达水平与HCC肺转移相关(P=0.01).结论血清miR-888-5p对HCC及AFP阴性HCC具有较高诊断价值,与AFP联合检测诊断价值更高.miR-888-5p表达水平与HCC肺转移相关,有望成为HCC早期诊断及评估预后的新型血清学分子标志物.

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