Titanium dioxide nanoparticles affect osteoblast-derived exosome cargos and impair osteogenic differentiation of human mesenchymal stem cells

Author:

de Souza Wanderson12ORCID,Gemini-Piperni S.234ORCID,Grenho Liliana56,Rocha Luís A.78,Granjeiro José M.1239ORCID,Melo Sonia A.10ORCID,Fernandes Maria H.56,Ribeiro Ana R.211ORCID

Affiliation:

1. Directory of Metrology Applied to Life Sciences, National Institute of Metrology Quality and Technology, Rio de Janeiro, Brazil

2. Postgraduate Program in Biotechnology, National Institute of Metrology Quality and Technology, Rio de Janeiro, Brazil

3. Postgraduate Program in Translational Biomedicine, University Grande Rio, Duque de Caxias, Brazil

4. Lab∈n Group, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21941-901, Brazil

5. Faculty of Dental Medicine, University of Porto, Porto, Portugal

6. LAQV/REQUIMTE, University of Porto, Porto, Portugal

7. Physics Department, Paulista State University, São Paulo, Brazil

8. IBTN/Br – Brazilian Branch of the Institute of Biomaterials, Tribocorrosion and Nanomedicine, São Paulo State University, Bauru, São Paulo, Brazil

9. Dental School, Fluminense Federal University, Niterói, Brazil

10. i3S-Institute for Research and Innovation in Health, University of Porto, Porto, Portugal

11. NanoSafety group, International Iberian Nanotechnology Laboratory – INL, 4715-330, Braga, Portugal

Abstract

Titanium implants undergo tribocorrosion processes releasing particles that interact with several cells at the implant–bone interface. Osteoblasts-derived exosomal proteins reduce osteogenic differentiation of HMSCs contributing to joint failure.

Funder

Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro

European Regional Development Fund

Fundação para a Ciência e a Tecnologia

European Commission

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Biomedical Engineering

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