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Intercellular varia...
Intercellular variation in signaling through the TGF-β pathway and its relation to cell densityand cell cycle phase
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- Zieba, Agata (författare)
- Uppsala universitet,Molekylära verktyg,Science for Life Laboratory, SciLifeLab,Ola Söderberg
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- Pardali, Katerina (författare)
- Uppsala universitet,Institutionen för immunologi, genetik och patologi,Science for Life Laboratory, SciLifeLab
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- Söderberg, Ola (författare)
- Uppsala universitet,Molekylära verktyg,Science for Life Laboratory, SciLifeLab
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- Lindbom, Lena (författare)
- Uppsala universitet,Institutionen för immunologi, genetik och patologi,Science for Life Laboratory, SciLifeLab
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- Nyström, Erik (författare)
- Uppsala universitet,Institutionen för immunologi, genetik och patologi,Science for Life Laboratory, SciLifeLab
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- Moustakas, Aristidis (författare)
- Uppsala universitet,Ludwiginstitutet för cancerforskning,Institutionen för medicinsk biokemi och mikrobiologi,Science for Life Laboratory, SciLifeLab
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- Heldin, Carl-Henrik (författare)
- Uppsala universitet,Ludwiginstitutet för cancerforskning,Science for Life Laboratory, SciLifeLab
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- Landegren, Ulf (författare)
- Uppsala universitet,Molekylära verktyg,Science for Life Laboratory, SciLifeLab
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(creator_code:org_t)
- American Society for Biochemistry and Molecular Biology, 2012
- 2012
- Engelska.
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Ingår i: Molecular & Cellular Proteomics. - : American Society for Biochemistry and Molecular Biology. - 1535-9476 .- 1535-9484. ; 11:7
- Relaterad länk:
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http://www.mcponline...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Fundamental open questions in signal transduction remain concerning the sequence and distribution of molecular signaling events among individual cells. In this work we have characterized the intercellular variability of transforming growth factor β-induced Smad interactions, providing essential information about TGF-β signaling and its dependence on the density of cell populations and the cell-cycle phase. By employing the recently developed in situ proximity ligation assay, we investigated the dynamics of interactions and modifications of Smad proteins and their partners under native and physiological conditions. We analyzed the kinetics of assembly of Smad complexes and the influence of cellular environment and relation to mitosis. We report rapid kinetics of formation of Smad complexes, including native Smad2-Smad3-Smad4 trimeric complexes, in a manner influenced by the rate of proteasomal degradation of these proteins, and we found a striking cell to cell variation of signaling complexes. The single-cell analysis of TGF-β signaling in genetically unmodified cells revealed previously unknown aspects of regulation of this pathway, and it provided a basis for analysis of these signaling events to diagnose pathological perturbations in patient samples, and to evaluate their susceptibility to drug treatment.
Ämnesord
- NATURVETENSKAP -- Biologi -- Cellbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Cell Biology (hsv//eng)
Nyckelord
- Molekylär cellbiologi
- Molecular Cellbiology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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