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Premyelinating oligodendrocytes are present in chronic lesions of multiple sclerosis, so remyelination is not limited by an absence of oligodendrocyte progenitors or their failure to generate oligodendrocytes. Our findings suggest that in the chronic lesions of multiple sclerosis, the axons are not receptive for remyelination. Understanding the cellular interactions between premyelinating oligodendrocytes, axons, and the microenvironment of lesions of multiple sclerosis may lead to effective strategies for enhancing remyelination.
Chang et al. (Thu,) studied this question.
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