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DKK1在食管胃结合部腺癌患者血清中的水平及其临床诊断价值

Carcinogenesis,Teratogenesis & Mutagenesis(2017)

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Abstract
目的:探讨Dickkopf-1(DKK1)在食管胃结合部腺癌患者血清中的表达情况及其诊断意义.方法:采用酶联免疫吸附实验(ELISA)检测79例食管胃结合部腺癌和101例正常对照者血清DKK1的表达水平,采用受试者工作特征曲线(ROC)评价其诊断效能.结果:食管胃结合部腺癌患者血清中的DKK1表达水平明显高于正常对照者,差异有统计学意义(P=0.001).ROC曲线结果显示,DKK1最佳诊断临界值为2615.9 pg/mL,曲线下面积(AUC)为0.650(95%CI:0.569~0.731),敏感度为34.2%,特异度为96.0%.DKK1诊断早期患者AUC为0.674(95%CI:0.521-0.827),敏感度为35.7%,特异度为96.0%.DKK1的阳性表达率与食管胃结合部腺癌的性别、年龄、肿瘤大小、浸润深度、淋巴结转移和总TNM分期之间均无明显相关性(P>0.05),但和远处转移明显相关(P<0.05).结论:DKK1在食管胃结合部腺癌患者血清中高表达,可能是食管胃结合部腺癌一种潜在的早期诊断标志物.
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Key words
DKK1,tumor marker,adenocarcinoma of esophago-gastric junction,diagnosis
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