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- W3202705923 abstract "Abstract Objectives Conditioned medium (CM) from 2D cell culture can mitigate the weakened regenerative capacity of the implanted stem cells. However, the capacity of 3D CM to prime dental pulp stem cells (DPSCs) for pulp regeneration and its protein profile are still elusive. We aim to investigate the protein profile of CM derived from 3D tooth germs, and to unveil its potential for DPSCs‐based pulp regeneration. Materials and Methods We prepared CM of 3D ex vivo cultured tooth germ organs (3D TGO‐CM) and CM of 2D cultured tooth germ cells (2D TGC‐CM) and applied them to prime DPSCs. Influences on cell behaviours and protein profiles of CMs were compared. In vivo pulp regeneration of CMs‐primed DPSCs was explored using a tooth root fragment model on nude mice. Results TGO‐CM enhanced DPSCs proliferation, migration, in vitro mineralization, odontogenic differentiation, and angiogenesis performances. The TGO‐CM group generated superior pulp structures, more odontogenic cells attachment, and enhanced vasculature at 4 weeks post‐surgery, compared with the TGC‐CM group. Secretome analysis revealed that TGO‐CM contained more odontogenic and angiogenic growth factors and fewer pro‐inflammatory cytokines. Mechanisms leading to the differential CM profiles may be attributed to the cytokine–cytokine receptor interaction and PI3K‐Akt signalling pathway. Conclusions The unique secretome profile of 3D TGO‐CM made it a successful priming cocktail to enhance DPSCs‐based early pulp regeneration." @default.
- W3202705923 created "2021-10-11" @default.
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- W3202705923 date "2021-09-28" @default.
- W3202705923 modified "2023-09-24" @default.
- W3202705923 title "Conditioned medium derived from 3D tooth germs: A novel cocktail for stem cell priming and early in vivo pulp regeneration" @default.
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- W3202705923 doi "https://doi.org/10.1111/cpr.13129" @default.
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