Frozen tissue can provide reproducible proteomic results of subcellular fractionation

Jihyeon Lim, Vilas Menon, Markus Bitzer, Leah M. Miller, Carlos Madrid-Aliste, Louis M. Weiss, Andras Fiser, Ruth H. Angeletti

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Differential detergent fractionation (DDF) is frequently used to partition fresh cells and tissues into distinct compartments. We have tested whether DDF can reproducibly extract and fractionate cellular protein components from frozen tissues. Frozen kidneys were sequentially extracted with three different buffer systems. Analysis of the three fractions with liquid chromatography-tandem mass spectrometry (LC-MS/MS) identified 1693 proteins, some of which were common to all fractions and others of which were unique to specific fractions. Normalized spectral index (SI N) values obtained from these data were compared to evaluate both the reproducibility of the method and the efficiency of enrichment. SI N values between replicate fractions demonstrated a high correlation, confirming the reproducibility of the method. Correlation coefficients across the three fractions were significantly lower than those for the replicates, supporting the capability of DDF to differentially fractionate proteins into separate compartments. Subcellular annotation of the proteins identified in each fraction demonstrated a significant enrichment of cytoplasmic, cell membrane, and nuclear proteins in the three respective buffer system fractions. We conclude that DDF can be applied to frozen tissue to generate reproducible proteome coverage discriminating subcellular compartments. This demonstrates the feasibility of analyzing cellular compartment-specific proteins in archived tissue samples with the simple DDF method.

Original languageEnglish (US)
Pages (from-to)78-84
Number of pages7
JournalAnalytical Biochemistry
Volume418
Issue number1
DOIs
StatePublished - Nov 1 2011

Fingerprint

Fractionation
Detergents
Proteomics
Tissue
Proteins
Buffers
Molecular Sequence Annotation
Liquid chromatography
Proteome
Nuclear Proteins
Tandem Mass Spectrometry
Liquid Chromatography
Mass spectrometry
Membrane Proteins
Cell Membrane
Kidney

Keywords

  • Differential detergent fractionation
  • Frozen tissue
  • Normalized spectral index
  • Subcellular location

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology
  • Cell Biology

Cite this

Lim, J., Menon, V., Bitzer, M., Miller, L. M., Madrid-Aliste, C., Weiss, L. M., ... Angeletti, R. H. (2011). Frozen tissue can provide reproducible proteomic results of subcellular fractionation. Analytical Biochemistry, 418(1), 78-84. https://doi.org/10.1016/j.ab.2011.06.045

Frozen tissue can provide reproducible proteomic results of subcellular fractionation. / Lim, Jihyeon; Menon, Vilas; Bitzer, Markus; Miller, Leah M.; Madrid-Aliste, Carlos; Weiss, Louis M.; Fiser, Andras; Angeletti, Ruth H.

In: Analytical Biochemistry, Vol. 418, No. 1, 01.11.2011, p. 78-84.

Research output: Contribution to journalArticle

Lim, J, Menon, V, Bitzer, M, Miller, LM, Madrid-Aliste, C, Weiss, LM, Fiser, A & Angeletti, RH 2011, 'Frozen tissue can provide reproducible proteomic results of subcellular fractionation', Analytical Biochemistry, vol. 418, no. 1, pp. 78-84. https://doi.org/10.1016/j.ab.2011.06.045
Lim, Jihyeon ; Menon, Vilas ; Bitzer, Markus ; Miller, Leah M. ; Madrid-Aliste, Carlos ; Weiss, Louis M. ; Fiser, Andras ; Angeletti, Ruth H. / Frozen tissue can provide reproducible proteomic results of subcellular fractionation. In: Analytical Biochemistry. 2011 ; Vol. 418, No. 1. pp. 78-84.
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