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They wondered whether the keratan sulfate might be playing a protective role in COPD. To test the hypothesis, they prepared a repeating disaccharide element of keratan sulfate, named L4, and ...
Proteoglycans (PGs) have long sugar chains, so-called glycosaminoglycans, i.e., chondroitin sulfate, keratan sulfate (KS), dermatan sulfate, and heparan sulfate. 10, 11 KS is a polymer of ...