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Related Experiment Videos

Plasma/serum proteomics: pre-analytical issues.

Stefano Barelli1, David Crettaz, Lynne Thadikkaran

  • 1Service Régional Vaudois de Transfusion Sanguine, Lausanne, Switzerland. stefano.barelli@srtsvd.ch

Expert Review of Proteomics
|June 8, 2007
PubMed
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High-throughput proteomics offers sensitive biological insights. However, sample preparation artifacts in plasma and serum can impact result reliability, requiring careful handling in proteomic studies.

Area of Science:

  • Proteomics
  • Biotechnology
  • Analytical Chemistry

Background:

  • High-throughput proteomics technologies generate sensitive data from biological samples.
  • Sample preparation introduces extrinsic properties that can create artifacts.
  • These artifacts can significantly affect the reliability and interpretation of proteomic results.

Purpose of the Study:

  • To review common issues in handling plasma and serum for proteomic analysis.
  • To highlight the impact of sample preparation on proteomic data.
  • To improve the reliability of experimental and clinical proteomic findings.

Main Methods:

  • Literature review of high-throughput proteomics.
  • Analysis of sample preparation techniques for plasma and serum.

Related Experiment Videos

  • Discussion of artifact generation and its consequences.

    • Main Results:

    • Extrinsic properties during sample preparation are a major source of artifacts.
    • Plasma and serum handling requires specific considerations to minimize errors.
    • Artifacts can lead to misinterpretation of biological and clinical data.

    Conclusions:

    • Careful sample handling is crucial for accurate proteomic analysis.
    • Understanding preparation-dependent artifacts enhances data interpretation.
    • Standardized protocols for plasma and serum are needed in proteomics.