| Título: | Ipriflavone-loaded mesoporous nanospheres with potential applications for periodontal treatment. |
| Autores: | Casarrubios, Laura ; Gomez Cerezo, Natividad ; Feito Castellano, María José ; Vallet Regí, María ; Arcos Navarrete, Daniel ; Portolés Pérez, María Teresa |
| Tipo de documento: | texto impreso |
| Editorial: | MDPI, 2020-12-21 |
| Dimensiones: | application/pdf |
| Nota general: |
cc_by info:eu-repo/semantics/openAccess |
| Idiomas: | |
| Palabras clave: | Estado = Publicado , Materia = Ciencias: Química: Materiales , Tipo = Artículo |
| Resumen: |
The incorporation and effects of hollow mesoporous nanospheres in the systemSiO2–CaO (nanoMBGs) containing ipriflavone (IP), a synthetic isoflavone that prevents osteoporosis, were evaluated. Due to their superior porosity and capability to host drugs, these nanoparticles are designed as a potential alternative to conventional bioactive glasses for the treatment of periodontal defects. To identify the endocytic mechanisms by which these nanospheres are incorporated within the MC3T3-E1 cells, five inhibitors (cytochalasin B, cytochalasin D, chlorpromazine, genistein and wortmannin) were used before the addition of these nanoparticles labeled with fluorescein isothiocyanate (FITC–nanoMBGs). The results indicate that nanoMBGs enter the pre-osteoblasts mainly through clathrin-dependent mechanisms and in a lower proportion by macropinocytosis. The present study evidences the active incorporation of nanoMBG–IPs by MC3T3-E1 osteoprogenitor cells that stimulate their differentiation into mature osteoblast phenotype with increased alkaline phosphatase activity. The final aim of this study is to demonstrate the biocompatibility and osteogenic behavior of IP-loaded bioactive nanoparticles to be used for periodontal augmentation purposes and to shed light on internalization mechanisms that determine the incorporation of these nanoparticles into the cells. |
| En línea: | https://eprints.ucm.es/id/eprint/63547/3/nanomaterials-10-02573-v2.pdf |
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