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Regulation of Axonal Regeneration and Its Inhibition by Glycan Ligands
Ist Teil von
Trends in Glycoscience and Glycotechnology, 2021/05/25, Vol.33(193), pp.E51-E54
Ort / Verlag
FCCA(Forum: Carbohydrates Coming of Age)
Erscheinungsjahr
2021
Quelle
EZB Electronic Journals Library
Beschreibungen/Notizen
Once a mammalian central nervous system axon is severed, it never regenerates. As a result, the neural circuit carried by this axon is permanently disrupted, and the dysfunction of that circuit remains a serious sequela for life. This is because chondroitin sulfate produced by glial scars caused by central nervous system injury functions as a potent axonal regeneration inhibitor. Although chondroitin sulfate induces an abnormal structure called dystrophic endball at the tip of axon via the neural cell receptor PTPRσ and inhibits its elongation, its detailed mechanism of operation has been unknown. In this review, we would like to outline the mechanism of axon regeneration inhibition by chondroitin sulfate, which was recently clarified by the authors.