ArticleInternational journal of oral science2026
Soluble Notch agonist enables human ameloblast maturation and enamel-like tissue formation for tooth regeneration.
Article in International journal of oral science, 2026. 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.
- Integrative multi-omics and bioinformatic analysis ofThe Japanese dental science review · 2026Review
- Development and preclinical evaluation of a decoy DLL4-encoding oncolytic HSV-1 for high-grade glioma.Oncogene · 2026Article
- Neuro-Instructive Hydrogels - A Key to Sensory Innervation in Oral Tissues: A Comprehensive Review.International journal of nanomedicine · 2026Review
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16 authors.
Funding
Abstract
Enamel, the hardest mineralized material in the human body, protects the underlying living tissues, the dentin and pulp of the tooth. However, over 90% of adults have lost or damaged enamel and cannot regenerate the protective structure due to lack of enamel-producing cells, ameloblasts. iPSC-derived secretory Ameloblasts (isAM) have promise in future regenerative dentistry. Today, it is not known why iAM maturation requires intimate contact with the dentin-producing cell type, odontoblast. Here, we reveal that one of the critical signaling ligands emanating from odontoblasts for ameloblast maturation is Delta, the ligand for Notch receptor. We showed that our designed, soluble Notch agonist can induce iAM organoid maturation in an unprecedented manner, without interactions with odontoblast layer. Notably, soluble Notch agonist induces the iAM maturation to a novel, WDR72-positive mature secretory AM stage (ismAM) in our ameloblast organoid model. When transplanted under the kidney capsule of NOD-SCID mice, these ismAM organoids generated enamel-like calcified material, as confirmed by microCT analysis, marking the first demonstration that Notch-activated iAM organoids can form such tissue in vivo. This novel maturation procedure enabled us to analyze the specific requirements of DLX3 function in ameloblasts, independent of its known function in odontoblasts. We now show that DLX3, a gene associated with Amelogenesis Imperfecta, is required on a cell-autonomous manner in human ameloblasts for the expression of Enamelin, MMP20, and WDR72, a role not previously demonstrated in mouse models.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.