Cited by 66Wnt/β-catenin signaling in development and cancerDevelopmental Biology and Gene RegulationGene Regulatory Network Analysis

Spatio-temporal Model of Endogenous ROS and Raft-Dependent WNT/Beta-Catenin Signaling Driving Cell Fate Commitment in Human Neural Progenitor Cells

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Haack, Fiete, Lemcke, Heiko, Ewald, Roland, Rharass, Tareck, Uhrmacher, Adelinde M.·2015·PLOS Computational Biology

Abstract

Canonical WNT/β-catenin signaling is a central pathway in embryonic development, but it is also connected to a number of cancers and developmental disorders. Here we apply a combined in-vitro and in-silico approach to investigate the spatio-temporal regulation of WNT/β-catenin signaling during the early neural differentiation process of human neural progenitors cells (hNPCs), which form a new prospect for replacement therapies in the context of neurodegenerative diseases. Experimental measurements indicate a second signal mechanism, in addition to canonical WNT signaling, being involved in the regulation of nuclear β-catenin levels during the cell fate commitment phase of neural differentiation. We find that the biphasic activation of β-catenin signaling observed experimentally can only be explained through a model that combines Reactive Oxygen Species (ROS) and raft dependent WNT/β-catenin signaling. Accordingly after initiation of differentiation endogenous ROS activates DVL in a redox-dependent manner leading to a transient activation of down-stream β-catenin signaling, followed by continuous auto/paracrine WNT signaling, which crucially depends on lipid rafts. Our simulation studies further illustrate the elaborate spatio-temporal regulation of DVL, which, depending on its concentration and localization, may either act as direct inducer of the transient ROS/β-catenin signal or as amplifier during continuous auto-/parcrine WNT/β-catenin signaling. In addition we provide the first stochastic computational model of WNT/β-catenin signaling that combines membrane-related and intracellular processes, including lipid rafts/receptor dynamics as well as WNT- and ROS-dependent β-catenin activation. The model's predictive ability is demonstrated under a wide range of varying conditions for in-vitro and in-silico reference data sets. Our in-silico approach is realized in a multi-level rule-based language, that facilitates the extension and modification of the model. Thus, our results provide both new insights and means to further our understanding of canonical WNT/β-catenin signaling and the role of ROS as intracellular signaling mediator.

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Crossref · 10.1371/journal.pcbi.1004106

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  • Only a few simulation models were both calibrated and validated based on wet-lab data, namely those of Lee et al. (2003) [28], Kogan et al. (2012) [45], and Haack et al. (2015) [51].

    “When looking at the CSM and VSM activities, we detect that only a few simulation models were both calibrated and validated based on wet-lab data, namely those of Lee et al. (2003) [28], Kogan et al. (2012) [45], and Haack et al. (2015) [51].”
  • Six out of 19 publications recorded their own wet-lab data [28, 31, 32, 45, 51, 57].

    “When looking at Wet-lab Data, six out of 19 publications recorded their own wet-lab data [28, 31, 32, 45, 51, 57].”
  • A second cluster forms around the simulation studies [45, 46, 51, 56, 57] and either includes the same wet-lab data from [105, 106], the Cell cycle [46] or ROS [51, 57].

    “A second cluster forms around the simulation studies [45, 46, 51, 56, 57] and either includes the same wet-lab data from [105, 106], the Cell cycle [46] or ROS [51, 57].”
  • Some studies develop a story line where a simulation model has been successively refined, extended, or composed ([28, 33, 34, 36, 41, 46, 48, 49, 51, 56]).

    “Some studies develop a story line where a simulation model has been successively refined, extended, or composed ([28, 33, 34, 36, 41, 46, 48, 49, 51, 56]).”

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Authors
Haack, F., Lemcke, H., Ewald, R., Rharass, T., & Uhrmacher, A. M.
Affiliations
  • University of Rostock (DE)
  • Universitätsmedizin Rostock (DE)
  • Max Delbrück Center (DE)
Corresponding author
Haack, Fiete
Venue
PLOS Computational Biology
Published
2015-03-20
Volume
11
Issue
3
Pages
e1004106
ISSN
  • 1553-734X (ISSN-L)
  • 1553-7358
OpenAlex
W1971196026
Cited by
66
References
90
Citations by year
2026: 3 · 2025: 6 · 2024: 9 · 2022: 7 · 2021: 6 · 2020: 8 · 2019: 8 · 2018: 3 · 2017: 8 · 2016: 5 · 2015: 3
FWCI
2.75
Type
journal article
Language
en
Open access
Locations
  • PLoS Computational Biology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • MDC Repository (Max-Delbrueck-Center for Molecular Medicine) (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
  • Deutsche Forschungsgemeinschaft (1387/1)
  • Universität Rostock
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
Keywords
Wnt/β-catenin signaling, reactive oxygen species, lipid rafts, neural progenitor cells, neuronal differentiation, lineage commitment, Dvl, redox regulation, paracrine signaling, rule-based models, neurodegenerative disease treatment
MeSH terms
Cell Line, Computer Simulation, Humans, Reproducibility of Results, Reactive Oxygen Species, Computational Biology, Wnt Proteins, beta Catenin, Neural Stem Cells, Wnt Signaling Pathway, Spatio-Temporal Analysis

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