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Clinica Chimica Acta：精液中游离DNA的快速评估和早期无创前列腺癌诊断

2019-11-23 MedSci MedSci原创

无创前列腺癌诊断
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液体活检包括对循环游离DNA (cfDNA)和肿瘤源DNA (ctDNA)的定量和定性，从而用于识别癌症。最近，有研究表明精液cfDNA (scfDNA)的特征有望成为前列腺癌(PCa)诊断的一种可能的生物标志物。

液体活检包括对循环游离DNA (cfDNA)和肿瘤源DNA (ctDNA)的定量和定性，从而用于识别癌症。最近，有研究表明精液cfDNA (scfDNA)的特征有望成为前列腺癌(PCa)诊断的一种可能的生物标志物。

本研究纳入30例经组织学证实的前列腺癌患者，33例良性前列腺增生(BPH)患者和21例健康对照者。提取自精液样本的cfDNA定量分析采用Qubit ssDNA试剂盒和Agilent 2100生物分析仪。统计分析包括:Levene检验、Shapiro-Wilk、Kolmogorov-Smirnov和Kruskal Wallis检验。

研究结果显示PCa患者中的cfDNA中位数为428.45ng / mL（173.93–1159.62），而BPH患者为77.4μng/ mL（18.23–501）和健康对照者为25.4μng/ mL（15.37–76.62）。 与BPH和对照组相比，PCa患者中长于1000个碱基对的scfDNA片段更为常见。

在前列腺癌、前列腺增生和健康对照组中，scfDNA浓度和片段大小有显著差异。这两个参数都是PCa潜在的临床生物标志物，可以用于早期诊断和随访。使用自动化系统进行高通量cfDNA定量可以提高方法的可重复性，并有助于在临床环境中实施液体活检。

原始出处：

Giovanni Ponti，Monia Maccaferri，Quick assessment of cell-free DNA in seminal fluid and fragment size for early non-invasive prostate cancer diagnosis

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    2020-06-21 windight

    #CTA#

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=1849793, encodeId=0b381849e93a4, content=<a href='/topic/show?id=61815385aa' target=_blank style='color:#2F92EE;'>#CTA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5385, encryptionId=61815385aa, topicName=CTA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ec9955, createdName=windight, createdTime=Sun Jun 21 12:17:00 CST 2020, time=2020-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1296561, encodeId=f45612965612d, content=<a href='/topic/show?id=efe0e645817' target=_blank style='color:#2F92EE;'>#精液#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76458, encryptionId=efe0e645817, topicName=精液)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Mon Nov 25 12:17:00 CST 2019, time=2019-11-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1573585, encodeId=0d4115e3585bb, content=<a href='/topic/show?id=ad6066363fb' target=_blank style='color:#2F92EE;'>#游离DNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66363, encryptionId=ad6066363fb, topicName=游离DNA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=d04c15907611, createdName=LSJ116, createdTime=Mon Nov 25 12:17:00 CST 2019, time=2019-11-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1040600, encodeId=80061040600a0, content=前列腺癌相关研究，学习了，谢谢梅斯, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Sun Nov 24 00:17:00 CST 2019, time=2019-11-24, status=1, ipAttribution=)]
    2019-11-25 hb2008ye

    #精液#

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=1849793, encodeId=0b381849e93a4, content=<a href='/topic/show?id=61815385aa' target=_blank style='color:#2F92EE;'>#CTA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5385, encryptionId=61815385aa, topicName=CTA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ec9955, createdName=windight, createdTime=Sun Jun 21 12:17:00 CST 2020, time=2020-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1296561, encodeId=f45612965612d, content=<a href='/topic/show?id=efe0e645817' target=_blank style='color:#2F92EE;'>#精液#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76458, encryptionId=efe0e645817, topicName=精液)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Mon Nov 25 12:17:00 CST 2019, time=2019-11-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1573585, encodeId=0d4115e3585bb, content=<a href='/topic/show?id=ad6066363fb' target=_blank style='color:#2F92EE;'>#游离DNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66363, encryptionId=ad6066363fb, topicName=游离DNA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=d04c15907611, createdName=LSJ116, createdTime=Mon Nov 25 12:17:00 CST 2019, time=2019-11-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1040600, encodeId=80061040600a0, content=前列腺癌相关研究，学习了，谢谢梅斯, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Sun Nov 24 00:17:00 CST 2019, time=2019-11-24, status=1, ipAttribution=)]
    2019-11-25 LSJ116

    #游离DNA#

    0

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    2019-11-24 misszhang

    前列腺癌相关研究，学习了，谢谢梅斯

    0

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