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微RNA表达特征的RNA-seq验证,用于精确的黑色素瘤诊断和预后分层

Christopher G Love¹, Lauren Coombs², Ryan Van Laar^3,2

¹Geneseq Biosciences, Melbourne, VIC, Australia. chris.love@geneseq.com.au.

BMC medical genomics

|October 26, 2024

概括

新的microRNA签名 (MEL38/MEL12) 准确诊断皮肤黑色素瘤,并预测患者的存活率. 这些在组织或血中检测到的基于RNA测序的特征,在改善黑色素瘤风险分层方面优于现有的预后模型.

科学领域:

在瘤学瘤学.
基因组学就是基因组学.
分子诊断学分子诊断

背景情况:

皮肤黑色素瘤诊断和风险分层需要改进的工具.
组织和血中的microRNA签名已经显示出对黑色素瘤检测的希望.
这项研究旨在通过下一代测序来验证和比较microRNA签名.

研究的目的:

为验证皮肤黑色素瘤诊断和预后的微RNA特征 (MEL38/MEL12).
将这些签名的性能与临床指标和其他已发表的模型进行比较.
评估这些特征在固体组织和血样本中的有用性.

主要方法:

在血和FFPE活检样本上进行RNA测序.
计算了MEL38和MEL12签名得分.
验证涉及对548个固体组织和217个血样本的NanoString和RNA测序数据集进行比较.

主要成果:

MEL38签名准确地将患者分为诊断组,使用组织或血中的RNA测序 (P < 0.001).
在固体组织中,MEL12签名将患者分为两层,分为风险组,优于其他预后模型.
在血样本中,MEL12签名也显示出预后意义.

结论:

通过组织或血中的RNA-seq评估的MEL38和MEL12签名是黑色素瘤状态和结果的强有力的预测指标.
与其他基因组方法相比,MEL12是不良预后的优越预测因素.
微RNA分析提供了对黑色素瘤概率和预后的客观和准确的基因组见解.

关键词:

癌症癌症癌症癌症基因表达基因表达基因表达黑色素瘤是一种黑色素瘤.微RNA的签名就是微RNA的签名.精准医学是一门精准的医学.在RNA-seqqq.

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相关概念视频

MicroRNAs

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...