Printable oxygen-generating biodegradable scaffold for thicker tissue-engineered medical products
ARTIFICIAL ORGANS(2024)
摘要
BackgroundDue to the increasing demand to generate thick and vascularized tissue-engineered constructs, novel strategies are currently being developed. An effective example is the fabrication of a 3D scaffold containing oxygen-releasing biomaterials to solve the limitations of gas diffusion and transport within transplanted tissues or devices.MethodsIn this study, we developed a biodegradable scaffold made of polycaprolactone (PCL) mixed with oxygen-generating calcium peroxide (CPO) to design new structures for regenerative tissue using a 3D printer capable of forming arbitrarily shapes.Results and ConclusionWhen osteoblast progenitor cells (MC3T3-E1 cells) were cultured under hypoxic conditions on scaffolds fabricated with this technique, it was shown that cell death was reduced by the new scaffolds. Therefore, the results suggest that 3D-printed scaffolds made from biodegradable oxygen-releasing materials may be useful for tissue engineering and regeneration. A biodegradable scaffold made of polycaprolactone (PCL) mixed with calcium peroxide (CPO) by 3D printer maintains cell viability in hypoxia.image
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关键词
3D cell culture,3D printer,hypoxia,tissue engineering
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