ArticleStem cell research & therapy2024
Fgf9 promotes incisor dental epithelial stem cell survival and enamel formation.
Article in Stem cell research & therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Retinoic Acid Signalling Regulates Zebrafish Tooth Germ Repair Following Injury.Cell proliferation · 2026Article
- A Single-Cell Transcriptomic Atlas of Epithelial Cell Heterogeneity During the Crown-to-Root Transition in the Mouse Molar.International journal of molecular sciences · 2026Article
- Rapid generation of dental pulp stem cell-derived mineralized extracellular matrix for quantitative osteoclast resorption assays.Frontiers in bioengineering and biotechnology · 2026Article
- Challenges of Studying Amelogenesis in Gene-Targeted Mouse Models.International journal of molecular sciences · 2025Review
- Spatio-Temporal Regulation of IGFs in Enamel Development: Molecular Mechanisms From Ameloblast Polarity to Mineralization Homeostasis.Stem cells international · 2025Review
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
backgroundUnderstanding the role of cytokines in tooth development is critical for advancing dental tissue engineering. Fibroblast growth factor 9 (FGF9) is the only FGF consistently expressed throughout dental epithelial tissue, from the initiation of tooth bud formation to tooth maturation. However, mice lacking Fgf9 (Fgf9
methodsTo dissect the role of Fgf9 in tooth development, we performed the micro-CT, histomorphological analysis and gene expression assay in mice and embryos with S99N mutation. In addition, we assessed the effect of FGF9 on the DESC survival and dental epithelial differentiation by DESC sphere formation assay and tooth explant culture. Cell/tissue culture methods, gene expression analysis, specific inhibitors, and antibody blockage analysis were employed to explore how Fgf9 regulates enamel differentiation and DESC survival through both direct and indirect mechanisms.
resultsThe Fgf9
conclusionsOur study demonstrates that Fgf9 is essential for DESC survival and enamel formation. Fgf9 performs as a dual-directional regulator of the dental enamel epithelium, not only inhibiting DESC differentiation into ameloblasts to preserve the stemness of DESC, but also promoting ameloblast differentiation through epithelial-mesenchymal interactions.
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Registered trials
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