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Methods for simultaneous and quantitative isolation of mitochondrial DNA, nuclear DNA and RNA from mammalian cells

Abstract : The aim of this study was to assess two protocols for their capacities to simultaneously isolate RNA, mtDNA and ncDNA from mammalian cells. We compared the Invitrogen TRIzol-based method and Qiagen DNeasy columns, using the HepG2 cell line and human primary glioblastoma stem cells. Both methods allowed the isolation of all three types of nucleic acids and provided similar yields in mtDNA. However, the yield in ncDNA was more than tenfold higher on columns, as observed for both cell types. Conversely, the TRIzol method proved more reproducible and was the method of choice for isolating RNA from glioblastoma cells, as demonstrated for the housekeeping genes RPLP0 and RPS9.
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https://www.hal.inserm.fr/inserm-02988728
Contributor : Marie-Luce Vignais <>
Submitted on : Wednesday, November 4, 2020 - 7:13:41 PM
Last modification on : Friday, November 6, 2020 - 5:01:50 AM

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Jean Nakhle, Özkan Tülin, Lněničková Kateřina, Briolotti Philippe, Marie-Luce Vignais. Methods for simultaneous and quantitative isolation of mitochondrial DNA, nuclear DNA and RNA from mammalian cells. Biotechniques, Eaton Publishing, 2020, Online ahead of print. ⟨10.2144/btn-2020-0114⟩. ⟨inserm-02988728⟩

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