SCI REP:循环外泌体中miR-125a-3p可作为早期结肠癌的生物标志物!

2017-06-23 xing.T MedSci原创

总之,后续研究表明循环血浆中外泌体miR-125a-3p是一个很好的早期结肠癌诊断生物标志物。当与结合传统的诊断标志物相结合,miR-125a-3p可以提高诊断的效能。

循环中外泌体在作为疾病的诊断和预后的生物标志物上具有很大的潜力。以前,研究人员应用小RNA测序确定了外泌体miRNA的异常表达可以作为结肠癌患者诊断标志物的候选分子。

近日,Scientific reports 杂志上发表了一篇研究文章,在验证队列中,研究人员从50名早期结肠癌患者和50名匹配的健康志愿者分离出血浆来源的外泌体miRNA。

研究人员通过实时定量PCR发现miR-125a-3p、mir-320c在早期结肠癌患者的血浆外泌体中明显升高。ROC曲线显示miR-125a-3p丰度水平可预测结肠癌,其曲线下面积(AUC)为68.5%,与CEA比较为83.6%。研究人员将miR-125a-3p和CEA相结合可以使AUC提高至85.5%。此外,血浆外泌体中miR-320c和miR-125a-3p显示与神经浸润显著相关(P<0.01),而与肿瘤大小、浸润深度、分化程度无关(P>0.05)。相反,血清CEA水平与肿瘤大小、浸润深度、分化程度相关(P<0.05,R=0.3009-0.7270),但与神经浸润无关(P=0.744)。

总之,后续研究表明循环血浆中外泌体miR-125a-3p是一个很好的早期结肠癌诊断生物标志物。当与结合传统的诊断标志物相结合,miR-125a-3p可以提高诊断的效能。

原始出处:

Jing Wang,et al. Circulating exosomal miR-125a-3p as a novel biomarker for early-stage colon cancer.Scientific reports. 2017. https://www.nature.com/articles/s41598-017-04386-1

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    2018-04-12 smallant2002
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    2017-07-04 虈亣靌

    不错的,学习了,谢谢分享!

    0

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    2017-06-28 虈亣靌

    好好学习,努力向上

    0

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    2017-06-24 luominglian113

    学习了,谢谢分享

    0

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    2017-06-23 虈亣靌

    这个可以啊,不错

    0

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