A streamlined protocol for extracting RNA and genomic DNA from archived human blood and muscle |
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Authors: | Gipsy Majumdar Santiago Vera Marshall B. Elam Rajendra Raghow |
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Affiliation: | 1. Department of Veterans Affairs Medical Center, Memphis, TN 38104, USA;2. Department of Pharmacology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA |
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Abstract: | We combined the TRIzol method of nucleic acid extraction with QIAamp columns to achieve coextraction of RNA and genomic DNA from peripheral blood mononuclear cells (PBMCs) and biopsied skeletal muscle, both stored at −80 °C for many months. Total RNA was recovered from the upper aqueous phase of TRIzol. The interphase and organic phases were precipitated with ethanol, digested with proteinase K, and filtered through QIAamp MinElute columns to recover DNA. The combined protocol yielded excellent quality and quantity of nucleic acids from archived human PBMCs and muscle and may be easily adapted for other tissues. |
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Keywords: | TRIzol QIAamp DNA/RNA extraction Peripheral blood mononuclear cells Skeletal muscle biopsy |
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