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- W2496168898 abstract "MicroRNAs (miRNAs) are endogenous small non-coding RNAs 18-24 nucleotides in size that play important roles involving gene regulation associated with cancer, disease control and gene silencing. Because of the impact on disease progression, miRNA research is rapidly shifting towards biomarker discovery. Many of the commercially available miRNA purification methods involve organic extraction during pre-processing. Here, we describe a novel chemistry that enables total RNA purification including smaller RNA such as miRNA. This chemistry offers significant advantages with a simple automated workflow, no organic extraction and minimal pre-processing. In this study, we successfully show purification of miRNAs from a range of solid and liquid sample types including frozen tissue, whole blood, plasma, exosomes, mammalian cell lines, saliva, bone and FFPE samples. Absorbance yield, absorbance ratios, RINs, and amplification of miRNA show equivalence with organic solvent-based purification methods. The miRNA studied included miR-21, let-7a, miR-141, and miR-125b, depending on starting sample type. Next generation sequencing (NGS) analysis shows equivalent sequence diversity when compared pairwise with a manual, organic pre-processing method. This novel chemistry and method enables purification of small and large RNA from a range of sample types. The purified RNA has little or no detectable DNA contamination and does not require phenol extraction, thus improving safety. Also, the automation of this workflow decreases manual hands on time, saving scientist time and reducing the risk of RNase contamination. Citation Format: Jami D. English, Doug Horejsh, Chris Moreland, Marjeta Urh. Automated miRNA purification without the use of organic solvents. [abstract]. In: Proceedings of the 107th Annual Meeting of the American Association for Cancer Research; 2016 Apr 16-20; New Orleans, LA. Philadelphia (PA): AACR; Cancer Res 2016;76(14 Suppl):Abstract nr 1966." @default.
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- W2496168898 date "2016-07-15" @default.
- W2496168898 modified "2023-09-27" @default.
- W2496168898 title "Abstract 1966: Automated miRNA purification without the use of organic solvents" @default.
- W2496168898 doi "https://doi.org/10.1158/1538-7445.am2016-1966" @default.
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