ArticleJournal of bone metabolism2025
Transforming Growth Factor-β Signaling Inhibits the Osteogenic Differentiation of Mesenchymal Stem Cells via Activation of Wnt/β-Catenin Pathway.
Article in Journal of bone metabolism, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Effects of Bone Morphogenetic Protein Agonist Small Molecule, SB4, on Osteogenic Differentiation of Adipose-Derived Mesenchymal Stem Cells.Journal of bone metabolism · 2026Article
- Gingival Stem Cell-Conditioned Media and Low-Level Laser Therapy Enhance Periodontal Ligament Stem Cells Function by Upregulating Wnt and TGF-β Pathway Components: An In Vitro Study.Clinical and experimental dental research · 2025Article
- Knockdown of IER3 Promotes Osteogenic Differentiation of Human Mesenchymal Stem Cells.Biomedicines · 2025Article
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Authors and funding
4 authors.
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Abstract
backgroundDue to the contradictory and temporally variable effects of transforming growth factor-β (TGF-β) and the Wnt/β-catenin pathways on osteogenic differentiation in different stem cell types, we sought to examine the activity of these pathways as well as their interaction during the osteogenic differentiation of the osteo-induced adiposederived mesenchymal stem cells (AD-MSCs).
methodsThe osteo-induced AD-MSCs were treated with TGF-β1 (1 ng/mL) either alone or together with its antagonist SB- 431542 (10 μM) or that of the Wnt antagonist, inhibitor of Wnt production 2 (IWP2) (3 μM), every 3 days for 21 days. Cells were then analyzed for calcium deposit, bone matrix production, and the osteogenic markers gene expression.
resultsOur results showed firstly that, either of the pathways is active since the mRNA expressions of their respective target genes, PAI-1 and Cyclin D1 were detectable although the latter was at a very low level. Secondly that, treatment with TGF-β1 decreased levels of calcium deposit, bone matrix production and the osteogenic markers gene expression. Accordingly, osteogenesis was induced in those treated with SB either alone or together with the TGF-β1, pointing to inhibitory effect of TGF-β pathway on osteogenic differentiation. Thirdly that following treatment with IWP2 and TGF-β1, the inhibitory effect of TGF-β1 on bone matrix production was reversed. Fourthly, there was constantly low expression of Wnt3amRNA but progressively increasing that of its endogenous antagonist Dkk-1mRNA throughout.
conclusionsTogether these results suggest that TGF-β1 requires the active Wnt/β-catenin signaling pathway to exert its inhibitory effects on osteogenic differentiation of AD-MSCs.
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