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Related Concept Videos

Proteomics01:33

Proteomics

9.3K
A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
9.3K

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A Plasma Sample Preparation for Mass Spectrometry using an Automated Workstation
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A Flexible End-to-End Automated Sample Preparation Workflow Enables Standardized and Scalable Bottom-up Proteomics.

Sandra Schär1, Luca Räss1, Liliana Malinovska1

  • 1Biognosys AG, Wagistrasse 21, Schlieren 8952, Switzerland.

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Automated sample preparation enhances bottom-up proteomics for clinical use. This high-throughput platform improves reproducibility and efficiency, enabling large-scale studies and drug development applications.

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Area of Science:

  • Biochemistry
  • Analytical Chemistry
  • Proteomics

Background:

  • Bottom-up proteomics offers high sensitivity for clinical applications but faces limitations due to labor-intensive, low-throughput sample preparation.
  • Advanced automation is crucial for improving throughput, reproducibility, accuracy, and standardization in proteomics.

Purpose of the Study:

  • To develop and validate a fully integrated, automated sample preparation platform for bottom-up proteomics.
  • To assess the platform's performance in terms of reproducibility, efficiency, and applicability to drug development.

Main Methods:

  • Development of an end-to-end automated sample preparation system from biological sample input to mass-spectrometry-ready peptides.
  • Evaluation of intra- and inter-plate reproducibility and longitudinal consistency.
  • Application of the platform for high-content compound characterization in targeted protein degradation studies.

Main Results:

  • The automated platform demonstrated high intra- and inter-plate reproducibility and longitudinal consistency.
  • The automated workflow outperformed established manual and semi-automated methods in terms of time efficiency and precision.
  • Successful application in drug development, enabling proteome profiling and precise quantification for targeted protein degradation analysis of ten compounds across two cell lines.

Conclusions:

  • The automated sample preparation platform provides a standardized, flexible, and high-throughput solution for bottom-up proteomics.
  • This technology significantly advances clinical assays and proteomics research by overcoming traditional preparation bottlenecks.
  • The platform is suitable for large-scale studies and critical applications like drug development, facilitating rapid adaptation to new proteomics methodologies.