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• W2897347364 abstract "Study Design Olfactory ensheathing cells (OECs) from rat olfactory mucosa were cultured, characterized, and transplanted into a rat model of spinal cord injury (SCI). Purpose To evaluate different doses of OECs in a rat model of SCI. Overview of Literature SCI causes permanent functional deficit because the central nervous system lacks the ability to perform spontaneous repair. Cell therapy strategies are being explored globally. The clinical use of human embryonic stem cell is hampered by ethical controversies. Alternatively, OECs are a promising cell source for neurotransplantation. This study aimed to evaluate the efficacy of different doses of allogenic OEC transplantation in a rat model of SCI. Methods OECs were cultured from the olfactory mucosa of Albino Wistar rats; these cells were characterized using immunohistochemistry and flow cytometry. Rats were divided into five groups (n=6 rats each). In each group, different dosage (2×105, 5×105, 10×105, and >10×105) of cultured cells were transplanted into experimentally injured spinal cords of rat models. However, in the SCI group, only DMEM (Dulbecco’s modified Eagle's medium) was injected. Rats were followed up upto 8 weeks post-transplantation. The outcome of transplantation was assessed using the Basso, Beattie, Bresnahan (BBB) scale; motor-evoked potential studies; and histological examination. Results Cultured cells expressed 41% of p75NTR, a marker for OEC, and 35% of anti-fibronectin, a marker for olfactory nerve fibroblast. These cells also expressed S100β and glial fibrillary acid protein of approximately 75% and 83%, respectively. All the transplanted groups showed promising BBB scores for hind-limb motor recovery compared with the SCI group (p<0.05). A motor-evoked potential study showed increased amplitude in all the treated groups compared with the SCI. Green fluorescent protein-labeled cells survived in the injured cord, suggesting their role in the transplantation-mediated repair. Transplantation of 5×105 cells showed the best motor outcomes among all the doses. Conclusions OECs demonstrated a therapeutic effect in rat models with the potential for future clinical applications. Keywords: Basso, Beattie, Bresnahan score; Drop-weight injury; Electromyographic amplitude; Histology; Olfactory ensheathing cell transplantation" @default.
• W2897347364 created "2018-10-26" @default.
• W2897347364 creator A5014757258 @default.
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• W2897347364 date "2018-12-31" @default.
• W2897347364 modified "2023-10-15" @default.
• W2897347364 title "Functional Recovery Following the Transplantation of Olfactory Ensheathing Cells in Rat Spinal Cord Injury Model" @default.
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• W2897347364 doi "https://doi.org/10.31616/asj.2018.12.6.998" @default.
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