Abstract
Central nervous system demyelination in multiple sclerosis (MS) and subsequent axonal degeneration represent a major cause of clinical morbidity. Learning, salient experiences, and stimulation of neuronal activity induce new myelin formation in rodents, and in animal models of demyelination, remyelination can be enhanced via experience- and activity-dependent mechanisms. Furthermore, preliminary studies in MS patients support the use of neuromodulation and rehabilitation exercises for symptomatic improvement, suggesting that these interventions may represent nonpharmacological strategies for promoting remyelination. Here, we review the literature on myelin plasticity processes and assess the potential to leverage these mechanisms to develop remyelinating therapies. ANN NEUROL 2021;90:558-567.
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