Abstract
In contrast to synovial tissue, rat subcutaneous air pouch lining was found to lack cells showing high activity of uridine diphosphoglucose dehydrogenase, an enzyme involved in hyaluronan synthesis. This indicates that the properties of cells on the surface of synovium are not determined simply by tissue cavitation. Shearing forces may be more important in inducing the specialized behaviour of synovial surface fibroblasts.
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