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F A Bettelheim, D Goetz; Distribution of hexosamines in bovine cornea.. Invest. Ophthalmol. Vis. Sci. 1976;15(4):301-304.
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Excised bovine cornea were sectioned from epithelium to endothelium into 6 to 8 fractions. The glucosamine/galactosamine ratio steadily increases from epithelium to endothelium in all bovine corneas investigated. The glucosamine/galactosamine ratio reflects the keratan sulfate/chondroitin-4-sulfate ratio in the cornea. The significance of this topographic distribution is discussed in terms of the different hydration properties of proteoglycans containing predominantly keartan sulfate or chondroitin-4-sulfate chains.
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