The combined application of human adipose derived stem cells and Chondroitinase ABC in treatment of a spinal cord injury model.

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)

Although stem cell therapy has become a major focus as a new option for management of spinal cord injury (SCI), its effectiveness should be promoted. In this study, we investigated the effects of co-administrating human adipose-derived stem cells (hADSCs) and Chondroitinase ABC (ChABC) in a rat model of spinal cord injury. hADSCs derived from superficial layer of abdominal adipose tissue were used to treat a contusion-induced SCI. Animals were randomly allocated to five equal groups including sham (only laminectomy), SCI (SCI+vehicle injection), hADSCs (1×10⁶ hADSCs/10μl intra-spinal injection), ChABC (10μl of 100U/ml ChABC intra-spinal injection injection), and hADSCs+ChABC. Basso, Beattie and Bresnahan tests were used to evaluate locomotor function. 8weeks after treatment, cavity size, myelination, cell differentiation (neuron and astrocyte), and chondroitin sulfate amount were analyzed. hADSC transplanted animals, ChABC injected animals (P<0.001), and hADSC+ChABC treated rats (P<0.001) displayed significant motor improvement compared to SCI group. Combination therapy of hADSCs and ChABC led to greater locomotor recovery compared to using hADSCs (P<0.001) or ChABC (P<0.01) alone. Spinal cords in the combined and single therapy groups had cavities filled with myelinated areas and less chondroitin sulfate content in comparison with the control group (P<0.001). hADSCs expressed

Evidence level

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

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