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Autologous cell transplantation is a promising strategy for repair of the injured spinal cord. Here we have studied the repair potential of mesenchymal stromal cells isolated from the human olfactory mucosa after transplantation into a rodent model of incomplete spinal cord injury. Investigation of peripheral type remyelination at the injury site using immunocytochemistry for P0, showed a more extensive...
Schwann cell (SC) transplantation following spinal cord injury (SCI) may have therapeutic potential. Functional recovery is limited however, due to poor SC interactions with host astrocytes and the induction of astrogliosis. Olfactory ensheathing cells (OECs) are closely related to SCs, but intermix more readily with astrocytes in culture and induce less astrogliosis. We previously demonstrated that...
Cell transplantation is one strategy for encouraging regeneration after spinal cord injury and a range of cell types have been investigated for their repair potential. However, variations in study design complicate determination of which cells are most effective. In this study we have carried out a direct comparison of the regenerative and integrative properties of several cell preparations following...
Background Inhibitory interneurons in the superficial dorsal horn play important roles in modulating sensory transmission, and these roles are thought to be performed by distinct functional populations. We have identified 4 non-overlapping classes among the inhibitory interneurons in the rat, defined by the presence of galanin, neuropeptide Y, neuronal nitric oxide synthase (nNOS) and parvalbumin...
Olfactory mucosa is a source of cells for transplant‐mediated repair of spinal cord injury (SCI) and is currently being assessed in clinical trials. We previously reported that olfactory mucosa can generate two types of sphere‐forming cells with stem cell‐like properties. Here we have assessed the repair potential of these cells in a rodent SCI model. Sphere‐forming cells transplanted into a dorsal...
Lamina II contains a large number of interneurons involved in modulation and transmission of somatosensory (including nociceptive) information. However, its neuronal circuitry is poorly understood due to the difficulty of identifying functional populations of interneurons. This information is important for understanding nociceptive processing and for identifying changes that underlie chronic pain...
Damage to the brain and spinal cord leads to permanent functional disability because of the very limited capacity of the central nervous system (CNS) for repair. Transplantation of cells into regions of CNS damage represents one approach to enhancing this repair. At present, the ideal cell type for transplant‐mediated repair has not been identified but autologous transplantation would be advantageous...
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