Analysis of protein carbonylation - pitfalls and promise in commonly used methods

A. Rogowska-Wrzesinska, K. Wojdyla, O. Nedic, Caroline P. Baron, H. R. Griffith

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Abstract

Oxidation of proteins has received a lot of attention in the last decades due to the fact that they have been shown to accumulate and to be implicated in the progression and the pathophysiology of several diseases such as Alzheimer, coronary heart diseases, etc. This has also resulted in the fact that research scientists are becoming more eager to be able to measure accurately the level of oxidized protein in biological materials, and to determine the precise site of the oxidative attack on the protein, in order to get insights into the molecular mechanisms involved in the progression of diseases. Several methods for measuring protein carbonylation have been implemented in different laboratories around the world. However, to date no methods prevail as the most accurate, reliable, and robust. The present paper aims at giving an overview of the common methods used to determine protein carbonylation in biological material as well as to highlight the limitations and the potential. The ultimate goal is to give quick tips for a rapid decision making when a method has to be selected and taking into consideration the advantage and drawback of the methods.
Original languageEnglish
JournalFree Radical Research
Volume48
Issue number10
Pages (from-to)1145-1162
Number of pages18
ISSN1071-5762
DOIs
Publication statusPublished - 2014

Keywords

  • BIOCHEMISTRY
  • TANDEM MASS-SPECTROMETRY
  • OXIDATIVELY MODIFIED PROTEINS
  • GAMMA-GLUTAMIC SEMIALDEHYDES
  • METAL-CATALYZED OXIDATION
  • QUANTITATIVE PROTEOMICS
  • POSTTRANSLATIONAL MODIFICATIONS
  • FREE-RADICALS
  • TOP-DOWN
  • IN-VITRO
  • ABSOLUTE QUANTIFICATION
  • carbonylation
  • immunoaffinity
  • derivatization
  • mass spectrometry
  • standardization

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