Evaluation of decellularized sheep kidney scaffolds for renal tissue engineering: Biocompatibility and stem cell differentiation potential.

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)

Tissue engineering (TE) combines scaffolds, cells, and bioactive chemicals in order to create tissues. The objective is to restore or sustain tissue functionality and expedite the recovery of damaged tissues or organs in a controlled laboratory environment. This study aimed to evaluate the properties and biocompatibility of decellularized sheep kidney scaffolds (DKS) and to explore the differentiation potential of adipose-derived mesenchymal stem cells (ADSCs) into renal cells. After decellularizing sheep kidneys using freeze-drying and detergent techniques, we conducted histological studies, DNA quantification, and ultrastructural evaluations using scanning electron microscopy (SEM). Furthermore, to assay the feasibility and attachment of stem cells to the decellularized scaffolds, ADSCs were cultured on the scaffolds and subjected to the MTT assay. The expression of the pax2 gene was analyzed using real-time PCR to determine the differentiation of MSCs into kidney cells. DNA quantitation revealed a significant reduction in the quantity of DNA present in the scaffold tissue compared to the control kidney tissue. Ultrastructural examination confirmed the preservation of the decellularized scaffold's ultrastructure. Histological analysis demonstrated the complete removal of nuclear material from the scaffold. Additionally, Pax2 gene expression was significantly increased in ADSC

Evidence level

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

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