High-yield skeletal muscle protein recovery from TRIzol after RNA and DNA extraction

Yuan Wen, Ivan J. Vechetti, Taylor R. Valentino, John J. McCarthy

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Extraction of DNA, RNA and protein from the same sample would allow for direct comparison of genomic, transcriptomic and proteomic information. Commercially available kits exhibit poor protein yield and the TRIzol® reagent produces a protein pellet that is extremely difficult to solubilize. In response to these limitations, this study presents an optimized method for the extraction of protein from the organic phase of TRIzol that allows for higher yield recovery of skeletal muscle protein compared with direct homogenization in a common protein lysis buffer. The presented method is inexpensive, simple and fast, requires no additional treatment of the protein pellet for dissolution, and is compatible with downstream western blot applications.

Original languageEnglish
Pages (from-to)265-270
Number of pages6
Issue number4
StatePublished - Oct 2020

Bibliographical note

Publisher Copyright:
© 2020 Future Science. All rights reserved.


  • Ethanol–bromochloropropane–water method
  • Guanidinium thiocyanate–phenol–chloroform extraction
  • Modified TRIzol protein isolation
  • Skeletal muscle

ASJC Scopus subject areas

  • Biotechnology
  • General Biochemistry, Genetics and Molecular Biology


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