ArticleJournal of dental sciences2025
Optimized human dedifferentiated fat cells from the buccal fat pad-derived osteoinductive extracellular vesicles promote osteoblast differentiation.
Article in Journal of dental sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
Background/purpose: Bone reconstruction in the maxillofacial region typically relies on autologous bone grafting, which presents challenges, including donor site complications and graft limitations. Recent advances in tissue engineering have identified highly pure and proliferative dedifferentiated fat cells (DFATs) as promising alternatives. Herein, we explored the capacity for osteoblast differentiation and the osteoinductive characteristics of extracellular vesicles derived from DFATs (DFAT-EVs). Materials and methods: DFATs were isolated from human buccal fat pads, cultured to confluency, and placed in either a standard or osteogenic induction medium. After culturing for 3 days, the conditioned medium was used to generate EVs using the size-exclusion chromatography and concentration filter method. Results: Characterization of DFAT-EVs revealed typical EV morphology and positive markers (CD9 and CD63), with no differences between the two groups. Conclusion: Isolating DFATs from buccal fat pads under osteogenic induction conditions offers a procedure confined to the oral cavity, eliminating the need for harvesting from other sites. Thus, DFAT-EVs hold promise for promoting bone regeneration in maxillofacial applications.
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