Identification of protein interactions involved in cellular signaling

Jukka Westermarck, Johanna Ivaska, Garry L. Corthais (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

35 Citations (Scopus)

Abstract

Protein-protein interactions drive biological processes. They are critical for all intra- and extracellular functions, and the technologies to analyze them are widely applied throughout the various fields of biological sciences. This study takes an in-depth view of some common principles of cellular regulation and provides a detailed account of approaches required to comprehensively map signaling protein-protein interactions in any particular cellular system or condition. We provide a critical review of the benefits and disadvantages of the yeast two-hybrid method and affinity purification coupled with mass spectrometric procedures for identification of signaling protein-protein interactions. In particular, we emphasize the quantitative and qualitative differences between tandem affinity and one-step purification (such as FLAG and Strep tag) methods. Although applicable to all types of interaction studies, a special section is devoted in this review to aspects that should be considered when attempting to identify signaling protein interactions that often are transient and weak by nature. Finally, we discuss shotgun and quantitative information that can be gleaned by MS-coupled methods for analysis of multiprotein complexes.
Original languageEnglish
Pages (from-to)1752-1763
JournalMolecular and Cellular Proteomics
Volume12
Issue number7
DOIs
Publication statusPublished - 2013
MoE publication typeA1 Journal article-refereed

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Cell signaling
Proteins
Protein Interaction Maps
Biological Phenomena
Multiprotein Complexes
Purification
Two-Hybrid System Techniques
Biological Science Disciplines
Firearms
Yeasts
Technology
Yeast

Cite this

Westermarck, Jukka ; Ivaska, Johanna ; Corthais, Garry L. / Identification of protein interactions involved in cellular signaling. In: Molecular and Cellular Proteomics. 2013 ; Vol. 12, No. 7. pp. 1752-1763.
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Identification of protein interactions involved in cellular signaling. / Westermarck, Jukka; Ivaska, Johanna; Corthais, Garry L. (Corresponding Author).

In: Molecular and Cellular Proteomics, Vol. 12, No. 7, 2013, p. 1752-1763.

Research output: Contribution to journalArticleScientificpeer-review

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