Introduction Similar to matrix metalloproteinases, glycosidases also play a major role in cartilage degradation. Carbohydrate cleavage products, generated by these latter enzymes, are released from degrading cartilage during arthritis. Some of the cleavage products (such as hyaluronate oligosaccharides) have been shown to bind to Toll-like receptors and provide endogenous danger signals, while others (like N-acetyl glucosamine) are reported to have chondroprotective functions. In the current study for the first time we systematically investigated the expression of glycosidases within the joints.

The estimated age of the mutation corresponds to the time period when Roma were wandering in the Balkans.

It seems likely that serotonin replaces the deficient histamine in the heparin-biogenic amine complex in the mast cell granules.

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