Journal Highlight: From pathways to networks: Connecting dots by establishing protein–protein interaction networks in signaling pathways using affinity purification and mass spectrometry

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  • Published: Feb 23, 2015
  • Author: spectroscopyNOW
  • Channels: Proteomics
thumbnail image: Journal Highlight: From pathways to networks: Connecting dots by establishing protein–protein interaction networks in signaling pathways using affinity purification and mass spectrometry
Current progress in the understanding of signaling networks using mass spectrometric approaches has been reviewed, focusing on studies of protein–protein interactions that use affinity purification.

From pathways to networks: Connecting dots by establishing protein–protein interaction networks in signaling pathways using affinity purification and mass spectrometry

Proteomics, 2015, 15, 188-202
Xu Li, Wenqi Wang and Junjie Chen

Abstract: Signal transductions are the basis of biological activities in all living organisms. Studying the signaling pathways, especially under physiological conditions, has become one of the most important facets of modern biological research. During the last decade, MS has been used extensively in biological research and is proven to be effective in addressing important biological questions. Here, we review the current progress in the understanding of signaling networks using MS approaches. We will focus on studies of protein–protein interactions that use affinity purification followed by MS approach. We discuss obstacles to affinity purification, data processing, functional validation, and identification of transient interactions and provide potential solutions for pathway-specific proteomics analysis, which we hope one day will lead to a comprehensive understanding of signaling networks in humans.

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