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International Journal of Bioprinting                                       3D-printed anistropic meniscus



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            Figure 5. Schematic representation of the preparation process of the scaffolds (from ref. [88] licensed under Creative Commons Attribution license).




























            Figure 6. Schematic illustration of the whole study (from ref. [92] licensed under Creative Commons Attribution license).

            skin, bladder, intestinal submucosa, pericardium, and   demonstrated good biocompatibility and biomechanical
            heart valve, some of which are clinically applied [99-101] .   properties, further accelerating meniscus regeneration and
            Some studies have focused on the biocompatibility and   delaying osteoarthritis [107] . Cha et al. applied a cell-loaded
            potential  of  meniscus  regeneration  of  decellularized   DMECM bioink and polyurethane (PU)-PCL mixture
            meniscus extracellular matrix (DMECM) [99,102] . DMECM   for 3D-printed TEM, showing high controllability and
            can be fabricated in the form of scaffolds, microspheres,   long-lasting structural integrity. DMECM establishes a
            bioinks, and hydrogels [99,103-106] . Guo  et  al. combined a   biomimetic microenvironment for stem cells, facilitating
            PCL scaffold and DMECM with the assistance of a 3D   proliferation,  and  fibrochondrogenic  differentiation [108] .
            printing technique to construct a biomimetic acellular   In addition, to display its heterogeneity, some researchers
            DMECM scaffold. This dual-phase decellularized scaffold   have tried to extract DMECM  from both the  inner and


            Volume 9 Issue 3 (2023)                        367                          https://doi.org/10.18063/ijb.693
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