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Scand J Immunol:血液中抗p53自身抗体作为结直肠癌的诊断生物标志物

2020-08-02 MedSci原创 MedSci原创

肿瘤相关抗原的血清自身抗体是诊断癌症的一种有希望的生物标志物。这篇综述总结了与结直肠癌(CRC)背景下研究的自身抗体的诊断潜力有关的现有证据。

肿瘤相关抗原的血清自身抗体是诊断癌症的一种有希望的生物标志物。这篇综述总结了与结直肠癌(CRC)背景下研究的自身抗体的诊断潜力有关的现有证据。

 

我们在三个数据库(PubMed、Cochrane图书馆和Embase)中进行了系统的文献检索。共回顾了80篇文章中发表的145种自身抗体的相关数据。其中,抗p53抗体是最常被研究的自身抗体,因此,我们对24篇文章中的抗p53抗体进行了meta分析。

 

根据用于确定抗p53抗体阳性的截止值,我们将纳入的研究分为五组。由于第4组和第5组存在阈值效应,第1组和第2组存在非阈值效应,采用固定效应模型(Mantel-Haenszel)对第3组进行集中分析。第3组,根据p53抗体滴度指数值确定分界值,由5篇文章组成,包括733名CRC患者和172名对照组(126名健康人和46名良性疾病患者)。

 

结果,汇总的灵敏度、特异性、阳性似然比、阴性似然比、诊断几率比和接收器操作特征曲线下的汇总面积分别为0.21、0.99、12.26、0.80、15.46和0.87。血清抗p53自身抗体可潜在地帮助区分CRC与健康对照组或良性疾病,但由于灵敏度较低,应与其他指标结合使用。

 

总之,我们的研究为进一步探索不同肿瘤相关抗原或自身抗体诊断CRC的最佳组合提供了启示。

 

原始出处:

 

Shuxia LiuQiaoyun Tan, et al., Anti-p53 autoantibody in blood as a diagnostic biomarker for colorectal cancer: A meta-analysis. Scand J Immunol. 2020 Feb;91(2):e12829. doi: 10.1111/sji.12829. 

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    2020-08-04 zhishijing
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