177. Luo, Y.; Zou, Y.; Yang, L.; Liu, J.; Liu, S.; Liu, J.; Zhou, X.; Zhang, W.; Wang, T. Transplantation of NSCs with OECs alleviates neuropathic pain associated with NGF downregulation in rats following spinal cord injury. *Neurosci. Lett.* **2013**, *549*, 103–108.
[CrossRef]

178. Gomes, E.D.; Mendes, S.S.; Assunção-Silva, R.C.; Teixeira, F.G.; Pires, A.O.; Anjo, S.I.; Manadas, B.; Leite-Almeida, H.; Gimble, J.M.; Sousa, N.; et al. Co-Transplantation of Adipose Tissue-Derived Stromal Cells and Olfactory Ensheathing Cells for Spinal Cord Injury Repair. *Stem Cells* **2018**, *36*, 696–708. [CrossRef]

179. Vukovic, J.; Plant, G.W.; Ruitenberg, M.J.; Harvey, A.R. Influence of adult Schwann cells and olfactory ensheathing glia on axontarget cell interactions in the CNS a comparative analysis using a retinotectal cograft model. *Neuron Glia Biol.* **2007**, *3*, 105–117.
[CrossRef]

180. Shukla, S.; Chaturvedi, R.K.; Seth, K.; Roy, N.S.; Agrawal, A.K. Enhanced survival and function of neural stem cells-derived dopaminergic neurons under influence of olfactory ensheathing cells in parkinsonian rats. *J. Neurochem.* **2009**, *109*, 436–451.
[CrossRef]

181. Amemori, T.; Jendelova, P.; Růžičková, K.; Arboleda, D.; Syková, E. Co-transplantation of olfactory ensheathing glia and mesenchymal stromal cells does not have synergistic effects after spinal cord injury in the rat. *Cytotherapy* **2010**, *12*, 212–225.
[CrossRef] [PubMed]

182. Fouad, K.; Pearse, D.D.; Tetzlaff, W.; Vavrek, R. Transplantation and repair: Combined cell implantation and chondroitinase delivery prevents deterioration of bladder function in rats with complete spinal cord injury. *Spinal Cord* **2009**, *47*, 727–732.
[CrossRef]

183. Bretzner, F.; Plemel, J.R.; Liu, J.; Richter, M.; Roskams, A.J.; Tetzlaff, W. Combination of olfactory ensheathing cells with local versus systemic cAMP treatment after a cervical rubrospinal tract injury. *J. Neurosci. Res.* **2010**, *88*, 2833–2846. [CrossRef]

184. Fouad, K.; Schnell, L.; Bunge, M.B.; Schwab, M.E.; Liebscher, T.; Pearse, D.D. Combining Schwann Cell Bridges and Olfactory-Ensheathing Glia Grafts with Chondroitinase Promotes Locomotor Recovery after Complete Transection of the Spinal Cord. *J. Neurosci.* **2005**, *25*, 1169–1178. [CrossRef] [PubMed]

185. Silva, N.A.; Sousa, R.A.; Pires, A.O.; Sousa, N.; Salgado, A.J.; Reis, R.L. Interactions between Schwann and olfactory ensheathing cells with a starch/polycaprolactone scaffold aimed at spinal cord injury repair. *J. Biomed. Mater. Res. Part A* **2012**, *100A*, 470–476.
[CrossRef] [PubMed]

186. Qi, F.; Wang, Y.; Ma, T.; Zhu, S.; Zeng, W.; Hu, X.; Liu, Z.; Huang, J.; Luo, Z. Electrical regulation of olfactory ensheathing cells using conductive polypyrrole/chitosan polymers. *Biomaterials* **2013**, *34*, 1799–1809. [CrossRef]

187. Schnell, E.; Klinkhammer, K.; Balzer, S.; Brook, G.; Klee, D.; Dalton, P.; Mey, J. Guidance of glial cell migration and axonal growth on electrospun nanofibers of poly-ε-caprolactone and a collagen/poly-ε-caprolactone blend. *Biomaterials* **2007**, *28*, 3012–3025.
[CrossRef]

188. Wang, B.; Zhao, Y.; Lin, H.; Chen, B.; Zhang, J.; Wang, X.; Zhao, W.; Dai, J. Phenotypical analysis of adult rat olfactory ensheathing cells on 3-D collagen scaffolds. *Neurosci. Lett.* **2006**, *401*, 65–70. [CrossRef]

189. Li, B.-C.; Jiao, S.-S.; Xu, C.; You, H.; Chen, J.-M. PLGA conduit seeded with olfactory ensheathing cells for bridging sciatic nerve defect of rats. *J. Biomed. Mater. Res. Part A* **2010**, *999A*, 769–780. [CrossRef]

190. Zhang, W.-J.; Luo, H.-L.; Zhu, J.-F.; Hu, C.-G.; Zhu, Z.-M. Transplantation of olfactory ensheathing cells combined with chitosan down-regulates the expression of P2X7 receptor in the spinal cord and inhibits neuropathic pain. *Brain Res.* **2020**, *1748*, 147058.
[CrossRef]

191. Wang, C.; Sun, C.; Hu, Z.; Huo, X.; Yang, Y.; Liu, X.; Botchway, B.; Davies, H.; Fang, M. Improved Neural Regeneration with Olfactory Ensheathing Cell Inoculated PLGA Scaffolds in Spinal Cord Injury Adult Rats. *Neurosignals* **2017**, *25*, 1–14. [CrossRef] [PubMed]

192. Kabiri, M.; Oraee-Yazdani, S.; Shafiee, A.; Hanaee-Ahvaz, H.; Dodel, M.; Vaseei, M.; Soleimani, M. Neuroregenerative effects of olfactory ensheathing cells transplanted in a multi-layered conductive nanofibrous conduit in peripheral nerve repair in rats. *J. Biomed. Sci.* **2015**, *22*, 1–11. [CrossRef] [PubMed]

193. Zhang, W.-J.; Xu, J.; Xiong, M.-J.; Liu, Z.-X.; Zhu, Z.-M. Transplantation of microencapsulated olfactory ensheathing cells inhibits the P2X2 receptor over-expressionmediated neuropathic pain in the L4–5 spinal cord segment. *Int. J. Neurosci.* **2020**, *130*, 976–982.
[CrossRef] [PubMed]

194. Liu, Z.-X.; Zhao, H.; Yang, B.-L.; Yu, Q.; Zhang, W.-J.; Yuan, K.; Zeng, H.-H.; Zhu, G.-C.; Liu, D.-M.; Li, Q. Microencapsulation improves inhibitory effects of transplanted olfactory ensheathing cells on pain after sciatic nerve injury. *Neural Regen. Res.* **2015**, *10*, 1332–1337. [CrossRef] [PubMed]

195. Tu, Y.-K.; Hsueh, Y.-H.; Huang, H.-C. Human Olfactory Ensheathing Cell-derived Extracellular Cesicles: miRNA Profile and Neuroprotective Effect. *Curr. Neurovascular Res.* **2021**, *18*, 395–408. [CrossRef] [PubMed]

196. Tu, Y.-K.; Hsueh, Y.-H. Extracellular vesicles isolated from human olfactory ensheathing cells enhance the viability of neural progenitor cells. *Neurol. Res.* **2020**, *42*, 959–967. [CrossRef]

197. Xia, B.; Gao, J.; Li, S.; Huang, L.; Ma, T.; Zhao, L.; Yang, Y.; Huang, J.; Luo, Z. Extracellular Vesicles Derived from Olfactory Ensheathing Cells Promote Peripheral Nerve Regeneration in Rats. *Front. Cell. Neurosci.* **2019**, *13*, 548. [CrossRef]
177. Luo, Y.; Zou, Y.; Yang, L.; Liu, J.; Liu, S.; Liu, J.; Zhou, X.; Zhang, W.; Wang, T. Transplantation of NSCs with OECs alleviates neuropathic pain associated with NGF downregulation in rats following spinal cord injury. *Neurosci. Lett.* **2013**, *549*, 103–108.
[CrossRef]

178. Gomes, E.D.; Mendes, S.S.; Assunção-Silva, R.C.; Teixeira, F.G.; Pires, A.O.; Anjo, S.I.; Manadas, B.; Leite-Almeida, H.; Gimble, J.M.; Sousa, N.; et al. Co-Transplantation of Adipose Tissue-Derived Stromal Cells and Olfactory Ensheathing Cells for Spinal Cord Injury Repair. *Stem Cells* **2018**, *36*, 696–708. [CrossRef]

179. Vukovic, J.; Plant, G.W.; Ruitenberg, M.J.; Harvey, A.R. Influence of adult Schwann cells and olfactory ensheathing glia on axontarget cell interactions in the CNS a comparative analysis using a retinotectal cograft model. *Neuron Glia Biol.* **2007**, *3*, 105–117.
[CrossRef]

180. Shukla, S.; Chaturvedi, R.K.; Seth, K.; Roy, N.S.; Agrawal, A.K. Enhanced survival and function of neural stem cells-derived dopaminergic neurons under influence of olfactory ensheathing cells in parkinsonian rats. *J. Neurochem.* **2009**, *109*, 436–451.
[CrossRef]

181. Amemori, T.; Jendelova, P.; Růžičková, K.; Arboleda, D.; Syková, E. Co-transplantation of olfactory ensheathing glia and mesenchymal stromal cells does not have synergistic effects after spinal cord injury in the rat. *Cytotherapy* **2010**, *12*, 212–225.
[CrossRef] [PubMed]

182. Fouad, K.; Pearse, D.D.; Tetzlaff, W.; Vavrek, R. Transplantation and repair: Combined cell implantation and chondroitinase delivery prevents deterioration of bladder function in rats with complete spinal cord injury. *Spinal Cord* **2009**, *47*, 727–732.
[CrossRef]

183. Bretzner, F.; Plemel, J.R.; Liu, J.; Richter, M.; Roskams, A.J.; Tetzlaff, W. Combination of olfactory ensheathing cells with local versus systemic cAMP treatment after a cervical rubrospinal tract injury. *J. Neurosci. Res.* **2010**, *88*, 2833–2846. [CrossRef]

184. Fouad, K.; Schnell, L.; Bunge, M.B.; Schwab, M.E.; Liebscher, T.; Pearse, D.D. Combining Schwann Cell Bridges and Olfactory-Ensheathing Glia Grafts with Chondroitinase Promotes Locomotor Recovery after Complete Transection of the Spinal Cord. *J. Neurosci.* **2005**, *25*, 1169–1178. [CrossRef] [PubMed]

185. Silva, N.A.; Sousa, R.A.; Pires, A.O.; Sousa, N.; Salgado, A.J.; Reis, R.L. Interactions between Schwann and olfactory ensheathing cells with a starch/polycaprolactone scaffold aimed at spinal cord injury repair. *J. Biomed. Mater. Res. Part A* **2012**, *100A*, 470–476.
[CrossRef] [PubMed]

186. Qi, F.; Wang, Y.; Ma, T.; Zhu, S.; Zeng, W.; Hu, X.; Liu, Z.; Huang, J.; Luo, Z. Electrical regulation of olfactory ensheathing cells using conductive polypyrrole/chitosan polymers. *Biomaterials* **2013**, *34*, 1799–1809. [CrossRef]

187. Schnell, E.; Klinkhammer, K.; Balzer, S.; Brook, G.; Klee, D.; Dalton, P.; Mey, J. Guidance of glial cell migration and axonal growth on electrospun nanofibers of poly-ε-caprolactone and a collagen/poly-ε-caprolactone blend. *Biomaterials* **2007**, *28*, 3012–3025.
[CrossRef]

188. Wang, B.; Zhao, Y.; Lin, H.; Chen, B.; Zhang, J.; Wang, X.; Zhao, W.; Dai, J. Phenotypical analysis of adult rat olfactory ensheathing cells on 3-D collagen scaffolds. *Neurosci. Lett.* **2006**, *401*, 65–70. [CrossRef]

189. Li, B.-C.; Jiao, S.-S.; Xu, C.; You, H.; Chen, J.-M. PLGA conduit seeded with olfactory ensheathing cells for bridging sciatic nerve defect of rats. *J. Biomed. Mater. Res. Part A* **2010**, *999A*, 769–780. [CrossRef]

190. Zhang, W.-J.; Luo, H.-L.; Zhu, J.-F.; Hu, C.-G.; Zhu, Z.-M. Transplantation of olfactory ensheathing cells combined with chitosan down-regulates the expression of P2X7 receptor in the spinal cord and inhibits neuropathic pain. *Brain Res.* **2020**, *1748*, 147058.
[CrossRef]

191. Wang, C.; Sun, C.; Hu, Z.; Huo, X.; Yang, Y.; Liu, X.; Botchway, B.; Davies, H.; Fang, M. Improved Neural Regeneration with Olfactory Ensheathing Cell Inoculated PLGA Scaffolds in Spinal Cord Injury Adult Rats. *Neurosignals* **2017**, *25*, 1–14. [CrossRef] [PubMed]

192. Kabiri, M.; Oraee-Yazdani, S.; Shafiee, A.; Hanaee-Ahvaz, H.; Dodel, M.; Vaseei, M.; Soleimani, M. Neuroregenerative effects of olfactory ensheathing cells transplanted in a multi-layered conductive nanofibrous conduit in peripheral nerve repair in rats. *J. Biomed. Sci.* **2015**, *22*, 1–11. [CrossRef] [PubMed]

193. Zhang, W.-J.; Xu, J.; Xiong, M.-J.; Liu, Z.-X.; Zhu, Z.-M. Transplantation of microencapsulated olfactory ensheathing cells inhibits the P2X2 receptor over-expressionmediated neuropathic pain in the L4–5 spinal cord segment. *Int. J. Neurosci.* **2020**, *130*, 976–982.
[CrossRef] [PubMed]

194. Liu, Z.-X.; Zhao, H.; Yang, B.-L.; Yu, Q.; Zhang, W.-J.; Yuan, K.; Zeng, H.-H.; Zhu, G.-C.; Liu, D.-M.; Li, Q. Microencapsulation improves inhibitory effects of transplanted olfactory ensheathing cells on pain after sciatic nerve injury. *Neural Regen. Res.* **2015**, *10*, 1332–1337. [CrossRef] [PubMed]

195. Tu, Y.-K.; Hsueh, Y.-H.; Huang, H.-C. Human Olfactory Ensheathing Cell-derived Extracellular Cesicles: miRNA Profile and Neuroprotective Effect. *Curr. Neurovascular Res.* **2021**, *18*, 395–408. [CrossRef] [PubMed]

196. Tu, Y.-K.; Hsueh, Y.-H. Extracellular vesicles isolated from human olfactory ensheathing cells enhance the viability of neural progenitor cells. *Neurol. Res.* **2020**, *42*, 959–967. [CrossRef]

197. Xia, B.; Gao, J.; Li, S.; Huang, L.; Ma, T.; Zhao, L.; Yang, Y.; Huang, J.; Luo, Z. Extracellular Vesicles Derived from Olfactory Ensheathing Cells Promote Peripheral Nerve Regeneration in Rats. *Front. Cell. Neurosci.* **2019**, *13*, 548. [CrossRef]
198. Zhang, L.; Zhuang, X.; Chen, Y.; Xia, H. Intravenous transplantation of olfactory bulb ensheathing cells for a spinal cord hemisection injury rat model. *Cell Transplant.* **2019**, *28*, 1585–1602. [CrossRef]

199. Delarue, Q.; Robac, A.; Massardier, R.; Marie, J.; Guérout, N. Comparison of the effects of two therapeutic strategies based on olfactory ensheathing cell transplantation and repetitive magnetic stimulation after spinal cord injury in female mice. *J. Neurosci.* *Res.* **2021**, *99*, 1835–1849. [CrossRef]
198. Zhang, L.; Zhuang, X.; Chen, Y.; Xia, H. Intravenous transplantation of olfactory bulb ensheathing cells for a spinal cord hemisection injury rat model. *Cell Transplant.* **2019**, *28*, 1585–1602. [CrossRef]

199. Delarue, Q.; Robac, A.; Massardier, R.; Marie, J.; Guérout, N. Comparison of the effects of two therapeutic strategies based on olfactory ensheathing cell transplantation and repetitive magnetic stimulation after spinal cord injury in female mice. *J. Neurosci.* *Res.* **2021**, *99*, 1835–1849. [CrossRef]