The effects of local delivery of laurus nobilis extract and adipose derived stem cells via electrospun gelatin scaffold on spinal cord injury inflammatoradscy response and its regeneration.

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)

When subjected to injury, the spinal cord's inherent complexity poses significant challenges for effective healing. In this study, gelatin nanofibers loaded with Laurus nobilis extract were developed to serve as a delivery system for adipose-derived stem cells (ADSCs), aiming to explore its potential immunomodulatory effects in a rat model of spinal cord injury. Through a series of in vitro assessments including scanning electron microscopy imaging, cell viability, anti-inflammatory, cell adhesion, biodegradation, and hemocompatibility assays, the characteristics of the delivery system were thoroughly evaluated. The in vitro studies revealed both the biocompatibility of the scaffolds and their notable anti-inflammatory properties, laying the groundwork for further investigation. Subsequent in vivo experiments demonstrated that rats treated with Laurus nobilis extract and ADSCs loaded scaffolds exhibited heightened functional recovery (BBB score of 14.66 ± 1.52 % and hot plate latency time of 8.33 0.26 s) and histological restoration at the 8-week mark post-injury. Notably, ELISA assay results revealed a significant reduction in tissue expression levels of key pro-inflammatory cytokines, including TNF-α, IL-1β, and IL-6, suggesting a pronounced immunomodulatory effect of the Laurus nobilis extract-loaded scaffolds. The findings underscore the potential of this novel delivery sys

Evidence level

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

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