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Estimating accuracy of RNA-Seq and microarrays with proteomics

机译:用蛋白质组学估计RNA-Seq和微阵列的准确性

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Background Microarrays revolutionized biological research by enabling gene expression comparisons on a transcriptome-wide scale. Microarrays, however, do not estimate absolute expression level accurately. At present, high throughput sequencing is emerging as an alternative methodology for transcriptome studies. Although free of many limitations imposed by microarray design, its potential to estimate absolute transcript levels is unknown. Results In this study, we evaluate relative accuracy of microarrays and transcriptome sequencing (RNA-Seq) using third methodology: proteomics. We find that RNA-Seq provides a better estimate of absolute expression levels. Conclusion Our result shows that in terms of overall technical performance, RNA-Seq is the technique of choice for studies that require accurate estimation of absolute transcript levels.
机译:背景技术微阵列通过在转录组范围内进行基因表达比较,彻底改变了生物学研究。但是,微阵列不能准确估计绝对表达水平。目前,高通量测序正在成为转录组研究的替代方法。尽管不受微阵列设计的许多限制,但其估计绝对转录水平的潜力尚不清楚。结果在本研究中,我们使用第三种方法:蛋白质组学评估了微阵列和转录组测序(RNA-Seq)的相对准确性。我们发现RNA-Seq提供了更好的绝对表达水平估计。结论我们的结果表明,就整体技术性能而言,RNA-Seq是需要精确估计绝对转录水平的研究的首选技术。

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