Subpial transplantation of adipose-derived stem cells alleviates paraplegia in a rat model of aortic occlusion/reperfusion-induced spinal cord infarction.

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)

Thoracoabdominal periprocedural occlusion/reperfusion injury of the spinal cord (SCII/R) can lead to devastating paraplegia, underscoring the critical need for effective interventions. However, our knowledge of optimal medical strategies and their efficacy remains limited. Preclinical investigations have shown promise in harnessing adult stem cells, including pluripotent and multipotent stem cells such as mesenchymal stem cells (MSCs), to address SCII/R by enhancing neuro-inflammation, axonal growth, and myelination. Particularly, growth factors derived from adipose tissue-derived MSCs (ADSCs) have been proposed to facilitate recovery. Despite advancements, achieving complete recovery remains a formidable challenge. Therefore, gaining a more profound insight into the role of ADSCs in alleviating SCII/R-induced paraplegia, including optimizing the delivery systems for therapies, is imperative. In this study, we assessed the impact of subpial allogeneic rat adipose tissue-derived MSCs (rADSCs) transplantation on paraplegia using a rat SCII/R model induced by ephemeral aortic occlusion, known as the Taira-Marsala model. rADSCs were isolated from adipose tissue of male Sprague-Dawley rats, cultured, characterized, and cryopreserved. One week following the induction of paraplegia, rADSCs (n = 6) or physiological saline (n = 6) were transplanted. Hind limb motor function was evaluate

Evidence level

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

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