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Nat Rev Neurosci. 2008 Jan;9(1):26-35.

Polysialic acid in the plasticity of the developing and adult vertebrate nervous system.

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  • 1Department of Cell Biology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, New York 10021, USA. rutishau@mskcc.org

Abstract

Polysialic acid (PSA) is a cell-surface glycan with an enormous hydrated volume that serves to modulate the distance between cells. This regulation has direct effects on several cellular mechanisms that underlie the formation of the vertebrate nervous system, most conspicuously in the migration and differentiation of progenitor cells and the growth and targeting of axons. PSA is also involved in a number of plasticity-related responses in the adult CNS, including changes in circadian and hormonal patterns, adaptations to pain and stress, and aspects of learning and memory. The ability of PSA to increase the plasticity of neural cells is being exploited to improve the repair of adult CNS tissue.

PMID:
18059411
[PubMed - indexed for MEDLINE]
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