In diseases such as multiple sclerosis (MS), inflammation can injure the myelin sheath that surrounds axons, a process known as demyelination. The spontaneous regeneration of myelin, called remyelination, is associated with restoration of function and prevention of axonal degeneration. Boosting remyelination with therapeutic intervention is a promising new approach that is currently being tested in several clinical trials. The endogenous regulation of remyelination is highly dependent on the immune response. In this review article, we highlight the cell biology of remyelination and its regulation by innate immune cells. For the purpose of this review, we discuss the roles of microglia, and also astrocytes and oligodendrocyte progenitor cells (OPCs) as they are being increasingly recognized to have immune cell functions.
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Third Mil Med Univ, Dept Histol & Embryol, Fac Basic Med, Chongqing Key Lab Neurobiol, Chongqing 400038, Peoples R ChinaThird Mil Med Univ, Dept Histol & Embryol, Fac Basic Med, Chongqing Key Lab Neurobiol, Chongqing 400038, Peoples R China
Li, Tao
Giaume, Christian
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Coll France, INSERM, Unite Mixte Rech 7241, CNRS,CIRB,U1050, F-75231 Paris 05, FranceThird Mil Med Univ, Dept Histol & Embryol, Fac Basic Med, Chongqing Key Lab Neurobiol, Chongqing 400038, Peoples R China
Giaume, Christian
Xiao, Lan
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Third Mil Med Univ, Dept Histol & Embryol, Fac Basic Med, Chongqing Key Lab Neurobiol, Chongqing 400038, Peoples R ChinaThird Mil Med Univ, Dept Histol & Embryol, Fac Basic Med, Chongqing Key Lab Neurobiol, Chongqing 400038, Peoples R China