Metrological sharp shooting for plasma proteins and peptides: The need for reference materials for accurate measurements in clinical proteomics and in vitro diagnostics to generate reliable results

Frank Vitzthum, Gérard Siest, David M. Bunk, Tobias Preckel, Christian Wenz, Patric Hoerth, Peter Schulz-Knappe, Harald Tammen, Juergen Adamkiewicz, Giampaolo Merlini, N. Leigh Anderson

Research output: Contribution to journalArticlepeer-review

Abstract

Reliable study results are necessary for the assessment of discoveries, including those from proteomics. Reliable study results are also crucial to increase the likelihood of making a successful choice of biomarker candidates for verification and subsequent validation studies, a current bottleneck for the transition to in vitro diagnostic (IVD). In this respect, a major need for improvement in proteomics appears to be accuracy of measurements, including both trueness and precision of measurement. Standardization and total quality management systems (TQMS) help to provide accurate measurements and reliable results. Reference materials are an essential part of standardization and TQMS in IVD and are crucial to provide metrological correct measurements and for the overall quality assurance process. In this article we give an overview on how reference materials are defined, prepared and what role they play in standardization and TQMS to support the generation of reliable results. We discuss how proteomics can support the establishment of reference materials and biomarker tests for IVD applications, how current reference materials used in IVD may be beneficially applied in proteomics, and we provide considerations on the establishment of reference materials specific for proteomics. For clarity, we solely focus on reference materials related to serum and plasma.

Original languageEnglish
Pages (from-to)1016-1035
Number of pages20
JournalProteomics - Clinical Applications
Volume1
Issue number9
DOIs
Publication statusPublished - Sep 2007

Keywords

  • In vitro diagnostics
  • Reference material
  • Reference method
  • Standardization

ASJC Scopus subject areas

  • Clinical Biochemistry

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