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Biomedical Proteomics Laboratory
Differential Gel Electrophoresis (DIGE)

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Background and applications

The DeCyder software is used for 2D Difference Gel Electrophoresis (2D DIGE) analysis. It significantly increases throughput by accurately addressing measurement of protein differences with statistical confidence and reduces hands-on time from days to minutes with minimal user-to-user variation. The software automatically detects, matches, and analyzes protein spots in multiplexed fluorescent images, and is able to detect small differences between protein spots with high statistical confidence.

Applications include:

  • Quantitative differential expression analysis of spots in images of 2D DIGE gels.

  • Statistical analysis for characterization and classification of biological samples based on protein expression data.

DeCyder 2-D Differential Analysis Software

More information

See vendor's site:  GE-Healthcare

Suggested reading

  • Lilley KS, Friedman DB. All about DIGE: quantification technology for differential-display 2D-gel proteomics.  Expert Rev Proteomics. 2004 Dec;1(4):401-9.
  • Friedman DB, Hill S, Keller JW, Merchant NB, Levy SE, Coffey RJ, Caprioli RM.  Proteome analysis of human colon cancer by two-dimensional difference gel electrophoresis and mass spectrometry.
    Proteomics. 2004 Mar;4(3):793-811.
  • Alban A, David SO, Bjorkesten L, Andersson C, Sloge E, Lewis S, Currie I. 2003. A novel experimental design for comparative two-dimensional gel analysis: two-dimensional difference gel electrophoresis incorporating a pooled internal standard. Proteomics. 3:36-44.
  • Guest PC, Skynner HA, Salim K, Tattersall FD, Knowles MR, Atack JR. 2006. Detection of gender differences in rat lens proteins using 2-D-DIGE. Proteomics. 6:667-676.
  • Tonge R, Shaw J, Middleton B, Rowlinson R, Rayner S, Young J, Pognan F, Hawkins E, Currie I, Davison M. 2001. Validation and development of fluorescence two-dimensional differential gel electrophoresis proteomics technology. Proteomics. 1:377-396.
  • Unlu M, Morgan ME, Minden JS. 1997. Difference gel electrophoresis: a single gel method for detecting changes in protein extracts. Electrophoresis. 18:2071-2077.
  • Yan JX, Devenish AT, Wait R, Stone T, Lewis S, Fowler S. 2002. Fluorescence two-dimensional difference gel electrophoresis and mass spectrometry based proteomic analysis of Escherichia coli. Proteomics. 2:1682-1698.
  • Fujii K, Kondo T, Yokoo H, Okano T, Yamada M, Yamada T, Iwatsuki K, Hirohashi S. 2006. Database of two-dimensional polyacrylamide gel electrophoresis of proteins labeled with CyDye DIGE Fluor saturation dye. Proteomics. Jan 23; [Epub ahead of print].
  • Swatton JE, Prabakaran S, Karp NA, Lilley KS, Bahn S. 2004.
  • Protein profiling of human postmortem brain using 2-dimensional fluorescence difference gel electrophoresis (2-D DIGE). Mol Psychiatry. 9:128-143. Review.

Protocols and proceduresSecure Site - Log in required

Any manuals posted here are EXCLUSIVELY for the use related to the instruments housed in the BPL. All copyrights apply.
 

 
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