Cited by 36Wnt/β-catenin signaling in development and cancerCellular Mechanics and InteractionsBone Tissue Engineering Materials

ROS Dependent Wnt/β-Catenin Pathway and Its Regulation on Defined Micro-Pillars—A Combined In Vitro and In Silico Study

Open access
Staehlke, Susanne, Haack, Fiete, Waldner, Anna-Christin, Koczan, Dirk, Moerke, Caroline, Mueller, Petra, Uhrmacher, Adelinde M., Nebe, J. Barbara·2020·Cells

Abstract

The physico-chemical surface design of implants influences the surrounding cells. Osteoblasts on sharp-edged micro-topographies revealed an impaired cell phenotype, function and Ca2+ mobilization. The influence of edges and ridges on the Wnt/β-catenin pathway in combination with the cells’ stress response has not been clear. Therefore, MG-63 osteoblasts were studied on defined titanium-coated micro-pillars (5 × 5 × 5 µm) in vitro and in silico. MG-63s on micro-pillars indicated an activated state of the Wnt/β-catenin pathway. The β-catenin protein accumulated in the cytosol and translocated into the nucleus. Gene profiling indicated an antagonism mechanism of the transcriptional activity of β-catenin due to an increased expression of inhibitors like ICAT (inhibitor of β-catenin and transcription factor-4). Cells on pillars produced a significant reactive oxygen species (ROS) amount after 1 and 24 h. In silico analyses provided a detailed view on how transcriptional activity of Wnt signaling is coordinated in response to the oxidative stress induced by the micro-topography. Based on a coordinated expression of regulatory elements of the Wnt/β-catenin pathway, MG-63s are able to cope with an increased accumulation of β-catenin on micro-pillars and suppress an unintended target gene expression. Further, β-catenin may be diverted into other signaling pathways to support defense mechanisms against ROS.

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  • Some authors just calibrated their simulation models ([33, 46, 48, 49, 53, 57]).

    “Some authors just calibrated their simulation models ([33, 46, 48, 49, 53, 57])”

    From Relating simulation studies by provenance—Developing a family of Wnt signaling models (2021) · cites this paper as [57]

    Section 3.6 (In Silico; page unavailable) says fitting was used to obtain model dynamics for ICAT and SOX17, and Section 2.11 calls it a fitted model. But the paper also says the authors developed, extended, and used the model for simulation experiments, so “just calibrated” understates the work reported. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • 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].”

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1 of the 86 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. [6]Thin Film Coatings for Biomaterials and Biomedical Applications Elsevier Amsterdam, The Netherlands 2016 Volume 110 143 164

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Authors
Staehlke, S., Haack, F., Waldner, A.-C., Koczan, D., Moerke, C., Mueller, P., Uhrmacher, A. M., & Nebe, J. B.
Affiliations
  • Universitätsmedizin Rostock (DE)
  • University of Rostock (DE)
  • Department of Cell Biology, Rostock University Medical Center, Schillingallee 69, 18057 Rostock, Germany
Corresponding author
Staehlke, Susanne
Venue
Cells
Publisher
MDPI AG
Published
2020-07-27
Volume
9
Issue
8
Pages
1784
ISSN
2073-4409 (ISSN-L)
OpenAlex
W3044779240
Cited by
36
References
86
Citations by year
2026: 9 · 2025: 6 · 2024: 9 · 2023: 2 · 2022: 6 · 2021: 3 · 2020: 1
FWCI
0.97
Type
journal article
Language
en
Open access
Locations
  • Cells (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Deutsche Forschungsgemeinschaft (SFB 1270/1 - 299150580)
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 › Cell Biology › Cellular Mechanics and Interactions
  • Physical Sciences › Engineering › Biomedical Engineering › Bone Tissue Engineering Materials
Keywords
Wnt/β-catenin signaling, reactive oxygen species, oxidative stress, micropillars, microtopography, MG-63 osteoblasts, β-catenin nuclear translocation, ICAT, transcriptional regulation, bone regeneration, mechanotransduction
MeSH terms
Computer Simulation, Humans, Reactive Oxygen Species, beta Catenin, Wnt Signaling Pathway, In Vitro Techniques

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