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Assemblable 3D biomimetic microenvironment for hMSC osteogenic differentiation

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Resumo:Adequate simulation mimicking a tissue’s native environment is one of the elemental premises in tissue engineering. Although various attempts have been made to induce human mesenchymal stem cells (hMSC) into an osteogenic pathway, they are still far from widespread clinical application. Most strategies focus primarily on providing a specific type of cue, inadequately replicating the complexity of the bone microenvironment. An alternative multifunctional platform for hMSC osteogenic differentiation has been produced. It is based on poly(vinylidene fluoride) (PVDF) and cobalt ferrites magnetoelectric microspheres, functionalized with collagen and gelatin, and packed in a 3D arrangement. This platform is capable of performing mechanical stimulation of piezoelectric PVDF, mimicking the bones electromechanical biophysical cues. Surface functionalization with extracellular matrix biomolecules and osteogenic medium complete this all-round approach. hMSC were cultured in osteogenic inducing conditions and tested for proliferation, surface biomarkers, and gene expression to evaluate their osteogenic commitment.
Autores principais:Martins, Luis A.
Outros Autores:García-Parra, Nadia; Ródenas-Rochina, Joaquín; Cordón, Lourdes; Sempere, Amparo; Ribeiro, Clarisse Marta Oliveira; Lanceros-Mendez, S.; Gómez-Ribelles, José Luis
Assunto:Biochemical Biomimetic Biophysical Magnetoelectric Osteogenic Pre-Conditioning Smart Materials Tissue Engineering Bone tissue engineering Electrical stimulation Microfluidics
Ano:2024
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso restrito
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho

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