Abstract
Background & Objective: Neurotransplantation has been recently the focus of interest as a promising therapy to substitute lost cerebellar neurons and improve cerebellar ataxias. However, since cell differentiation and synaptic formation are required to obtain a functional circuitry, highly integrated reproduction of cerebellar anatomy is not a simple process. Rather than a genuine replacement, recent studies have shown that grafted cells rescue surviving cells from neurodegeneration by exerting trophic effects, supporting mitochondrial function, modulating neuroinflammation, stimulating endogenous regenerative processes, and facilitating cerebellar compensatory properties thanks to neural plasticity. On the other hand, accumulating clinical evidence suggests that the self-recovery capacity is still preserved even if the cerebellum is affected by a diffuse and progressive pathology. We put forward the period with intact recovery capacity as “restorable stage” and the notion of reversal capacity as “cerebellar reserve”.
Conclusion: The concept of cerebellar reserve is particularly relevant, both theoretically and practically, to target recovery of cerebellar deficits by neurotransplantation. Reinforcing the cerebellar reserve and prolonging the restorable stage can be envisioned as future endpoints of neurotransplantation.
Keywords: Cerebellum, cerebellar ataxias, cerebellar reserve, neurotransplantation, neuroinflammation, neuroinflammation, neuromodulation.
CNS & Neurological Disorders - Drug Targets
Title:Neurotransplantation Therapy and Cerebellar Reserve
Volume: 17 Issue: 3
Author(s): Jan Cendelin, Hiroshi Mitoma*Mario Manto
Affiliation:
- Medical Education Promotion Center, Tokyo Medical University, Tokyo,Japan
Keywords: Cerebellum, cerebellar ataxias, cerebellar reserve, neurotransplantation, neuroinflammation, neuroinflammation, neuromodulation.
Abstract: Background & Objective: Neurotransplantation has been recently the focus of interest as a promising therapy to substitute lost cerebellar neurons and improve cerebellar ataxias. However, since cell differentiation and synaptic formation are required to obtain a functional circuitry, highly integrated reproduction of cerebellar anatomy is not a simple process. Rather than a genuine replacement, recent studies have shown that grafted cells rescue surviving cells from neurodegeneration by exerting trophic effects, supporting mitochondrial function, modulating neuroinflammation, stimulating endogenous regenerative processes, and facilitating cerebellar compensatory properties thanks to neural plasticity. On the other hand, accumulating clinical evidence suggests that the self-recovery capacity is still preserved even if the cerebellum is affected by a diffuse and progressive pathology. We put forward the period with intact recovery capacity as “restorable stage” and the notion of reversal capacity as “cerebellar reserve”.
Conclusion: The concept of cerebellar reserve is particularly relevant, both theoretically and practically, to target recovery of cerebellar deficits by neurotransplantation. Reinforcing the cerebellar reserve and prolonging the restorable stage can be envisioned as future endpoints of neurotransplantation.
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Cite this article as:
Cendelin Jan, Mitoma Hiroshi *, Manto Mario , Neurotransplantation Therapy and Cerebellar Reserve, CNS & Neurological Disorders - Drug Targets 2018; 17 (3) . https://dx.doi.org/10.2174/1871527316666170810114559
DOI https://dx.doi.org/10.2174/1871527316666170810114559 |
Print ISSN 1871-5273 |
Publisher Name Bentham Science Publisher |
Online ISSN 1996-3181 |
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