MRM assay for quantitation of complement components in human blood plasma - a feasibility study on multiple sclerosis.

Melinda Rezeli, Ákos Végvári, Jan Ottervald, Tomas Olsson, Thomas Laurell, György Marko-Varga

Research output: Contribution to journalArticlepeer-review

15 Citations (SciVal)

Abstract

As a proof-of-principle study, a multiple reaction monitoring (MRM) assay was developed for quantitation of proteotypic peptides, representing seven plasma proteins associated with inflammation (complement components and C-reactive protein). The assay development and the sample analysis were performed on a linear ion trap mass spectrometer. We were able to quantify 5 of the 7 target proteins in depleted plasma digests with reasonable reproducibility over a 2 orders of magnitude linear range (RSD < 25%). The assay panel was utilized for the analysis of a small multiple sclerosis sample cohort with 10 diseased and 8 control patients.
Original languageEnglish
Pages (from-to)211-220
JournalJournal of Proteomics
Volume75
Issue number1
DOIs
Publication statusPublished - 2011

Subject classification (UKÄ)

  • Medical Engineering

Keywords

  • linear ion trap
  • multiple sclerosis
  • selective reaction monitoring

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