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Título: | GSK3 inhibitor-induced dentinogenesis using a hydrogel |
Autor: | Alaohali, A.; Salzlechner, C.; Zaugg, L. K.; Suzano, F.; Martínez Gil, Ana CSIC ORCID ; Gentleman, E.; Sharpe, P. T. | Palabras clave: | Tissue engineering Mineralization Wnt signaling Dental pulp Dentine Stem cells |
Fecha de publicación: | 21-jun-2021 | Editor: | Sage Publications | Citación: | Journal of Dental Research 101 (1) 46-53 (2021) | Resumen: | Small-molecule drugs targeting glycogen synthase kinase 3 (GSK3) as inhibitors of the protein kinase activity are able to stimulate reparative dentine formation. To develop this approach into a viable clinical treatment for exposed pulp lesions, we synthesized a novel, small-molecule noncompetitive adenosine triphosphate (ATP) drug that can be incorporated into a biodegradable hydrogel for placement by syringe into the tooth. This new drug, named NP928, belongs to the thiadiazolidinone (TDZD) family and has equivalent activity to similar drugs of this family such as tideglusib. However, NP928 is more water soluble than other TDZD drugs, making it more suitable for direct delivery into pulp lesions. We have previously reported that biodegradable marine collagen sponges can successfully deliver TDZD drugs to pulp lesions, but this involves in-theater preparation of the material, which is not ideal in a clinical context. To improve surgical handling and delivery, here we incorporated NP928 into a specifically tailored hydrogel that can be placed by syringe into a damaged tooth. This hydrogel is based on biodegradable hyaluronic acid and can be gelled in situ upon dental blue light exposure, similarly to other common dental materials. NP928 released from hyaluronic acid–based hydrogels upregulated Wnt/β-catenin activity in pulp stem cells and fostered reparative dentine formation compared to marine collagen sponges delivering equivalent concentrations of NP928. This drug-hydrogel combination has the potential to be rapidly developed into a therapeutic procedure that is amenable to general dental practice. | Descripción: | 8 p.-4 fig. | Versión del editor: | https://doi.org/10.1177/00220345211020652 | URI: | http://hdl.handle.net/10261/244880 | DOI: | 10.1177/00220345211020652 | ISSN: | 0022-0345 | E-ISSN: | 1544-0591 |
Aparece en las colecciones: | (CIB) Artículos |
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Journal of Dental Research_Alaohali_2022.pdf | 2,21 MB | Adobe PDF | Visualizar/Abrir |
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