ArticleScientific reports2022
Hypoxia-inducible factor 1α induces osteo/odontoblast differentiation of human dental pulp stem cells via Wnt/β-catenin transcriptional cofactor BCL9.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 26 citations in OpenAlex.
- MECP2 Insufficiency Attenuates RUNX2-Dependent Osteoblast Differentiation via miR-126-3p/DKK1-Mediated Canonical Wnt Signaling Inhibition in Rett Syndrome.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026Article
- Histatin-1 promotes the expression of markers associated with odontoblastic differentiation in the dental pulp and apical papilla.Scientific reports · 2026Article
- Decoding signaling crosstalk in pulpitis: pathogenesis and precision therapeutics.Frontiers in cell and developmental biology · 2026Review
- BCL9 as a Key Player in Wnt/β-catenin Signaling: Implications for Osteogenesis, Tissue Repair, and Oncology.Applied biochemistry and biotechnology · 2026Review
- Unveiling the dental cellular landscape: A comprehensive review of single-cell RNA sequencing in human dental tissues.The Japanese dental science review · 2025Review
- MicroRNA-27a transfected dental pulp stem cells undergo odonto/osteogenic differentiation via targeting DKK3 and SOSTDC1 in Wnt/BMP signaling in vitro and enhance bone formation in vivo.Journal of translational medicine · 2025Article
- Association of serum HIF-1α levels with coronary artery calcification in patients of non-dialysis chronic kidney disease.Scientific reports · 2024Article
- Clinical and pathological features analysis of invasive breast cancer with microcalcification.Cancer medicine · 2023Article
- Review
- Hypoxia mediates immune escape of pancreatic cancer cells by affecting miR-1275/AXIN2 in natural killer cells.Frontiers in immunology · 2023Article
- The odontoblastic differentiation of dental mesenchymal stem cells: molecular regulation mechanism and related genetic syndromes.Frontiers in cell and developmental biology · 2023Review
- Single-cell atlas of dental pulp stem cells exposed to the oral bacteriaFrontiers in cell and developmental biology · 2023Article
- Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
Abstract
Accelerated dental pulp mineralization is a common complication in avulsed/luxated teeth, although the mechanisms underlying this remain unclear. We hypothesized that hypoxia due to vascular severance may induce osteo/odontoblast differentiation of dental pulp stem cells (DPSCs). This study examined the role of B-cell CLL/lymphoma 9 (BCL9), which is downstream of hypoxia-inducible factor 1α (HIF1α) and a Wnt/β-catenin transcriptional cofactor, in the osteo/odontoblastic differentiation of human DPSCs (hDPSCs) under hypoxic conditions. hDPSCs were isolated from extracted healthy wisdom teeth. Hypoxic conditions and HIF1α overexpression induced significant upregulation of mRNAs for osteo/odontoblast markers (RUNX2, ALP, OC), BCL9, and Wnt/β-catenin signaling target genes (AXIN2, TCF1) in hDPSCs. Overexpression and suppression of BCL9 in hDPSCs up- and downregulated, respectively, the mRNAs for AXIN2, TCF1, and the osteo/odontoblast markers. Hypoxic-cultured mouse pulp tissue explants showed the promotion of HIF1α, BCL9, and β-catenin expression and BCL9-β-catenin co-localization. In addition, BCL9 formed a complex with β-catenin in hDPSCs in vitro. This study demonstrated that hypoxia/HIF1α-induced osteo/odontoblast differentiation of hDPSCs was partially dependent on Wnt/β-catenin signaling, where BCL9 acted as a key mediator between HIF1α and Wnt/β-catenin signaling. These findings may reveal part of the mechanisms of dental pulp mineralization after traumatic dental injury.
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