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- Publisher Website: 10.1021/acs.analchem.9b00821
- Scopus: eid_2-s2.0-85065872901
- PMID: 31002238
- WOS: WOS:000469304300048
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Article: Ratio-Based Method to Identify True Biomarkers by Normalizing Circulating ncRNA Sequencing and Quantitative PCR Data
Title | Ratio-Based Method to Identify True Biomarkers by Normalizing Circulating ncRNA Sequencing and Quantitative PCR Data |
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Authors | |
Issue Date | 2019 |
Citation | Analytical Chemistry, 2019, v. 91, n. 10, p. 6746-6753 How to Cite? |
Abstract | Recent studies have indicated that circulating noncoding RNAs (ncRNAs) such as miRNAs are stable biomarkers for the diagnosis and prognosis of human diseases. However, due to low concentrations of circulating ncRNAs in blood, data normalization in plasma/serum ncRNA experiments using next-generation sequencing and quantitative real time RT-qPCR is a challenge. We found that the current normalization methods based on synthetic external spiked-in controls or published endogenous miRNA controls are inappropriate as they are not stably expressed and therefore fail to reliably detect differentially expressed ncRNAs. Using the alternative of individual ncRNAs as biomarkers, we considered a ratio-based normalization method calculated taking the ratio of any two ncRNAs in the same sample and used the resulting ratios as biomarkers. We mathematically verified the method to be independent of spiked-in and internal controls, and more robust than existing reference control based normalization methods to identify differentially expressed ncRNAs as potential biomarkers for human diseases. Thus, the ratio-based method can solve the difficult normalization problem for circuiting ncRNA data to identify reliable biomarkers to meet real clinical practice. |
Persistent Identifier | http://hdl.handle.net/10722/342716 |
ISSN | 2023 Impact Factor: 6.7 2023 SCImago Journal Rankings: 1.621 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Deng, Youping | - |
dc.contributor.author | Zhu, Yong | - |
dc.contributor.author | Wang, Hongwei | - |
dc.contributor.author | Khadka, Vedbar S. | - |
dc.contributor.author | Hu, Ling | - |
dc.contributor.author | Ai, Junmei | - |
dc.contributor.author | Dou, Yuhong | - |
dc.contributor.author | Li, Yan | - |
dc.contributor.author | Dai, Shengming | - |
dc.contributor.author | Mason, Christopher E. | - |
dc.contributor.author | Wang, Yunliang | - |
dc.contributor.author | Jia, Wei | - |
dc.contributor.author | Zhang, Jicai | - |
dc.contributor.author | Huang, Gang | - |
dc.contributor.author | Jiang, Bin | - |
dc.date.accessioned | 2024-04-17T07:05:45Z | - |
dc.date.available | 2024-04-17T07:05:45Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Analytical Chemistry, 2019, v. 91, n. 10, p. 6746-6753 | - |
dc.identifier.issn | 0003-2700 | - |
dc.identifier.uri | http://hdl.handle.net/10722/342716 | - |
dc.description.abstract | Recent studies have indicated that circulating noncoding RNAs (ncRNAs) such as miRNAs are stable biomarkers for the diagnosis and prognosis of human diseases. However, due to low concentrations of circulating ncRNAs in blood, data normalization in plasma/serum ncRNA experiments using next-generation sequencing and quantitative real time RT-qPCR is a challenge. We found that the current normalization methods based on synthetic external spiked-in controls or published endogenous miRNA controls are inappropriate as they are not stably expressed and therefore fail to reliably detect differentially expressed ncRNAs. Using the alternative of individual ncRNAs as biomarkers, we considered a ratio-based normalization method calculated taking the ratio of any two ncRNAs in the same sample and used the resulting ratios as biomarkers. We mathematically verified the method to be independent of spiked-in and internal controls, and more robust than existing reference control based normalization methods to identify differentially expressed ncRNAs as potential biomarkers for human diseases. Thus, the ratio-based method can solve the difficult normalization problem for circuiting ncRNA data to identify reliable biomarkers to meet real clinical practice. | - |
dc.language | eng | - |
dc.relation.ispartof | Analytical Chemistry | - |
dc.title | Ratio-Based Method to Identify True Biomarkers by Normalizing Circulating ncRNA Sequencing and Quantitative PCR Data | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1021/acs.analchem.9b00821 | - |
dc.identifier.pmid | 31002238 | - |
dc.identifier.scopus | eid_2-s2.0-85065872901 | - |
dc.identifier.volume | 91 | - |
dc.identifier.issue | 10 | - |
dc.identifier.spage | 6746 | - |
dc.identifier.epage | 6753 | - |
dc.identifier.eissn | 1520-6882 | - |
dc.identifier.isi | WOS:000469304300048 | - |