Abstract
AbstractThe regeneration of bone tissue is a complex process requiring innovative biomaterials with enhanced osteogenic properties to facilitate successful tissue engineering. Herein, a 3D bionic scaffold comprised of covalently bound graphene/carbon nanotube monoliths are present (3DGp/CNTs) exhibiting long‐range ordered porous characteristics, showcasing promising attributes for bone tissue applications. The lightweight, all‐carbon scaffolds not only demonstrate excellent mechanical performance in the hydrated state but also mimic the structural and functional features of the extracellular matrix, actively promoting cellular adhesion, proliferation, and differentiation. Significantly, the osteogenic differentiation of dental pulp stem cells (DPSCs) is observed, as evidenced by the upregulation of RUNX2, OSX, BSP, ALP, OPN, and OCN expression. This notable outcome can be attributed to the synergistic effect of 3DGp/CNTs, which create a conducive microenvironment for DPSCs and promote osteogenic differentiation by activating the BMP pathway. This observation elucidates the mechanism through which 3DGp/CNTs induce DPSC mineralization. The combination of these advantages, along with its straightforward and cost‐effective preparation technique, positions 3DGp/CNTs as a promising candidate for dental clinical engineering.
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