Hsieh-Wilson, L. (2010) Chemical approaches to elucidating the neurobiology of carbohydrates. In: International Chemical Congress of Pacific Basin Societies (Pacifichem 2010), December 15-20, 2010, Honolulu, HI. http://resolver.caltech.edu/CaltechAUTHORS:20120816-131836909
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The field of chem. neurobiol. is rapidly evolving and providing insights into the mols. and interactions involved in brain development, neuronal communication and memory storage. We will describe the synergistic application of org. chem. and neurobiol. to understand how specific carbohydrate structures contribute to neuronal growth and regeneration. Chondroitin sulfate proteoglycans (CSPGs) represent a major barrier to regenerating axons in the central nervous system (CNS), but the structural diversity of the polysaccharides has hampered efforts to understand their activity. By taking advantage of our ability to chem. synthesize oligosaccharides, we demonstrate that a specific sugar epitope on CSPGs potently inhibits axonal growth. Blockage of the epitope reversed CSPG-mediated growth inhibition and stimulated axon regeneration in vivo, suggesting a novel therapeutic approach to CNS repair. More broadly, our studies support the notion that specific sulfation sequences within chondroitin sulfate polysaccharides direct the activity of proteins in vivo and coordinate key physiol. processes.
|Item Type:||Conference or Workshop Item (Paper)|
|Additional Information:||© 2012 American Chemical Society.|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||16 Aug 2012 21:07|
|Last Modified:||16 Aug 2012 21:07|
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