Enhanced Mandibular Bone Repair Using Poly Lactic- co -glycolic Acid Combined with Nanohydroxyapatite Scaffold Loaded by Mesenchymal Stromal/Stem Cells and Curcumin in Male Rats.

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)

This study aimed to investigate the healing effect of a polylactic- co -glycolic acid (PLGA) scaffold containing nanohydroxyapatite (NHA) along with curcumin (CCM), loaded with adipose-derived mesenchymal stem cells (AD-MSCs), on mandibular bone defects. The designed PLGA scaffolds containing NHA were evaluated for their mechanical and structural properties. Forty rats were divided into five groups ( n = 8) based on the treatment: Sham, PLGA scaffolds containing NHA, PLGA scaffolds containing NHA + CCM, PLGA scaffolds containing NHA + AD-MSCs, and PLGA scaffolds containing NHA + CCM + AD-MSCs. After 8 weeks' follow-up, mandible bones were isolated for histomorphometry evaluation. Data were analyzed using SPSS version 21, with p -values <0.05 considered statistically significant. SEM evaluation showed that the designed nanocomposite scaffold had 80% porosity. Histomorphometry results indicated a significant difference in osteocyte, osteoblast, bone area, and vascular area parameters in the group treated with scaffolds loaded with AD-MSCs + CCM compared to the other groups ( p < 0.05). The PLGA-containing NHA-CCM nanocomposite scaffold demonstrated good porosity and dispersion, suitable for treating bone defects. Rats treated with scaffolds containing AD-MSCs and CCM showed better therapeutic results than the other groups. Further research is needed to evaluate its anti-inflammat

Evidence level

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

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