Using 3D-bioprinting scaffold loaded with adipose-derived stem cells to burns wound healing.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Three dimensional (3D) printing has recently expanded in popularity and has become an effective approach for tissue engineering. Advances in tissue engineering have increased the effectiveness of cell-based therapies. Indeed, the ultimate goal of such treatment is the development of conditions similar to fetal wound regeneration. In this context, technology of 3D printing also allows researchers to more effectively compose multi-material and cell-laden scaffolds with less effort. In this study, we explored a synthetic gel scaffold derived from 3D bioprinter with or without stem cells to accelerate wound healing and skin defects. Adipose-derived stem cells (ADSCs) were isolated and seeded into 3D bioprinter derived-gel scaffold. Morphological and cell adherence properties of 3D scaffold were assessed by hemotoxylin & eosin (H&E) staining and scanning electron microscopy and cell viability was determined by methylthiazolyldiphenyl-tetrazolium bromide assay. In vivo assessment of the scaffold was done using H&E staining in the full-thickness burn rat model. The experimental groups included; (a) untreated (control), (b) 3D bioprinter derived-gel scaffold (Trial 1), and (c) 3D bioprinter derived-gel scaffold loaded with ADSC (Trial 2). Our results represented 3D bioprinter derived-gel scaffold with or without ADSCs accelerated wound contraction and healing compared to control groups

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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