Thermoresponsive and Injectable Pluronic F127 Hydrogel for Loading Adipose-Derived Mesenchymal Stem Cells.

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)

Background Stem cell-based therapies display immense potential in regenerative medicine, highlighting the crucial significance of devising efficient delivery methods. This study centers on a pioneering approach that utilizes Pluronic F127 (PF127) as a thermoresponsive and injectable hydrogel designed for the encapsulation of adipose-derived mesenchymal stem cells (AdMSCs). Methods The degradation profile, gelation time, and microstructure of the PF127 hydrogel were thoroughly examined. AdMSCs were isolated, expanded, and characterized based on their multi-lineage differentiation potential. AdMSCs from the third passage were specifically employed for encapsulation within the PF127 hydrogel. Subsequently, the cytotoxicity of the AdMSC-loaded PF127 hydrogel was assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and apoptosis assays. Results Characterized by scanning electron microscopy (SEM), the PF127 hydrogel exhibited a porous structure, indicating its suitability for accommodating AdMSCs and facilitating wound healing. The PF127 hydrogel demonstrated reversible phase transitions, rendering it suitable for in vivo applications. Studies on the gelation time of PF127 hydrogel unveiled a concentration-dependent decrease in gelation time, offering adaptability for diverse medical applications. Analysis of the degradation profile showcased a seven-day

Evidence level

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

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