期刊
FEBS JOURNAL
卷 280, 期 10, 页码 2285-2293出版社
WILEY-BLACKWELL
DOI: 10.1111/febs.12165
关键词
cornea; fibroblast growth factor; interaction; keratan sulfate; sonic hedgehog
资金
- National Institutes of Health [GM38060, GM067545]
Keratan sulfate (KS) is an important glycosaminoglycan that is found in cartilage, reproductive tissues, and neural tissues. Corneal KS glycosaminoglycan is found N-linked to lumican, keratocan and mimecan proteoglycans, and has been widely studied by investigators interested in corneal development and diseases. Recently, the availability of corneal KS has become severely limited, owing to restrictions on the shipment of bovine central nervous system byproducts across international borders in an effort to prevent additional cases of mad cow disease. We report a simple method for the purification of multi-milligram quantities of bovine corneal KS, and characterize its structural properties. We also examined its protein-binding properties, and discovered that corneal KS bound with high affinity to fibroblast growth factor-2 and sonic hedgehog, a growth factor and a morphogen involved in corneal development and healing.
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