Abstract
The effect of cartilage proteoglycans on HA seed crystal growth was studied using a system providing constant supersaturation with respect to HA. The monomers were much less effective than the aggregates in reducing the rate of HA growth, which correlates with their affinity for the HA crystals. Hyaluronan, which is a normal constituent of the proteoglycan aggregates, behaved as a strong inhibitor of HA seed crystal growth and had an affinity constant similar to that of proteoglycan aggregates. The results indicate that inhibition of HA seed crystal growth is mediated throught the interaction of hyaluronan with HA crystal surface and that the proteoglycans add to the volume of the adsorbate causing steric hindrance.
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Schedule a callMore From: Biochimica et Biophysica Acta (BBA) - General Subjects
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