Two-dimensional polyacrylamide gel electrophoresis for cardiovascular proteomics

Area of Science:

• Proteomics
• Cardiovascular Research
• Biochemistry

Background:

• Two-dimensional gel electrophoresis (2DE) with immobilized pH gradients is widely used in cardiovascular proteomic studies.
• It is coupled with quantitative computer analysis and mass spectrometry for protein detection and identification.
• Despite novel gel-free technologies, 2DE is still the primary method for parallel quantitative expression profiling of complex protein mixtures.

Purpose of the Study:

• To detail a specific procedure for large-format 2DE.
• To present variations of the 2DE technique.
• To highlight its successful application in cardiovascular proteomic research.

Main Methods:

• Large-format two-dimensional gel electrophoresis (2DE).
• Immobilized pH gradients for protein separation.
• Quantitative computer analysis for differential expression detection.
• Mass spectrometry for protein identification.

Main Results:

• The chapter details a robust 2DE procedure applicable to cardiovascular research.
• Variations of the technique are presented for flexibility.
• The method has been successfully applied in numerous cardiovascular proteomic investigations.

Conclusions:

• Large-format 2DE is a reliable and essential technique for cardiovascular proteomic research.
• It enables the quantitative expression profiling of complex protein mixtures from cardiovascular samples.
• The detailed procedure facilitates further research in the field.