Cited by 2,419Advanced biosensing and bioanalysis techniquesAdvanced Fluorescence Microscopy TechniquesBiotin and Related Studies

Direct observation of individual endogenous protein complexes in situ by proximity ligation

Söderberg, Ola, Gullberg, Mats, Jarvius, Malin, Ridderstråle, Karin, Leuchowius, Karl-Johan, Jarvius, Jonas, Wester, Kenneth, Hydbring, Per +3 more·2006·Nature Methods

Abstract

Cellular processes can only be understood as the dynamic interplay of molecules. There is a need for techniques to monitor interactions of endogenous proteins directly in individual cells and tissues to reveal the cellular and molecular architecture and its responses to perturbations. Here we report our adaptation of the recently developed proximity ligation method to examine the subcellular localization of protein-protein interactions at single-molecule resolution. Proximity probes-oligonucleotides attached to antibodies against the two target proteins-guided the formation of circular DNA strands when bound in close proximity. The DNA circles in turn served as templates for localized rolling-circle amplification (RCA), allowing individual interacting pairs of protein molecules to be visualized and counted in human cell lines and clinical specimens. We used this method to show specific regulation of protein-protein interactions between endogenous Myc and Max oncogenic transcription factors in response to interferon-gamma (IFN-gamma) signaling and low-molecular-weight inhibitors.

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Crossref · 10.1038/nmeth947

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Authors
Söderberg, O., Gullberg, M., Jarvius, M., Ridderstråle, K., Leuchowius, K.-J., Jarvius, J., Wester, K., Hydbring, P., Bahram, F., Larsson, L.-G., & Landegren, U.
Affiliations
  • Uppsala University (SE)
  • Swedish University of Agricultural Sciences (SE)
Corresponding author
Landegren, Ulf
Venue
Nature Methods
Published
2006-10-29
Volume
3
Issue
12
Pages
995-1000
ISSN
  • 1548-7091 (ISSN-L)
  • 1548-7105
OpenAlex
W1992496728
Cited by
2,419
References
24
Citations by year
2026: 88 · 2025: 90 · 2024: 109 · 2023: 111 · 2022: 149 · 2021: 143 · 2020: 149 · 2019: 171 · 2018: 174 · 2017: 161 · 2016: 202 · 2015: 190 · 2014: 191 · 2013: 152 · 2012: 111
FWCI
9.23
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Methods (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Allergy and Infectious Diseases (R01AI121012)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Advanced biosensing and bioanalysis techniques
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Advanced Fluorescence Microscopy Techniques
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Biotin and Related Studies
Keywords
proximity ligation, protein-protein interaction, single-molecule imaging, subcellular localization, rolling circle amplification, c-Myc, Max, interferon-gamma signaling, low molecular weight inhibitors, transcription factor regulation, clinical samples
MeSH terms
Cell Physiological Phenomena, Image Enhancement, Microscopy, Fluorescence, Proteins, Protein Interaction Mapping

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