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Suppression of hyaluronic acid synthesis in synovial organ cultures by corticosteroid suspensions



Suppression of hyaluronic acid synthesis in synovial organ cultures by corticosteroid suspensions



Arthritis & Rheumatism 28(11): 1275-1282



The effects of sparingly soluble corticosteroid suspensions prepared for intraarticular therapy, of their vehicles and of hydrocortisone on synovial hyaluronic acid (HA) synthesis were compared in organ cultures of normal canine villous synovium. Both hydrocortisone and the corticosteroid suspensions suppressed HA synthesis, as did 2 vehicle components, polysorbate 80 and myristyl-gamma-picrolinium chloride. Cultures of synovium from joints of dogs which, 1 day previously, had been injected with methylprednisolone acetate suspension synthesized less HA than did control cultures from noninjected joints of the same animals. The results indicate that suppression of HA synthesis is a mechanism by which these drugs can act to reduce joint HA content and promote resolution of synovial effusions.

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Accession: 006544415

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PMID: 4063002

DOI: 10.1002/art.1780281112


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