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The effect of diflunisal on hyaluronic acid production by ‘activated’ human synovial fibroblasts.
Author(s) -
Yaron M,
Yaron I
Publication year - 1981
Publication title -
british journal of clinical pharmacology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.216
H-Index - 146
eISSN - 1365-2125
pISSN - 0306-5251
DOI - 10.1111/j.1365-2125.1981.tb01238.x
Subject(s) - diflunisal , hyaluronic acid , microgram , chemistry , in vivo , in vitro , overproduction , pharmacology , biochemistry , medicine , biology , anatomy , enzyme , microbiology and biotechnology
1 Cultured human synovial fibroblasts were ‘activated’ by leucocytes or poly (I) . poly (C) to overproduce hyaluronic acid. 2 Diflunisal in concentrations of 30, 15 and 10 microgram/ml completely abrogated the overproduction of hyaluronic acid induced by leucocytes. 3 Diflunisal (10 microgram/ml), indomethacin (2 microgram/ml) and aspirin (200 microgram/ml) partially inhibited the overproduction of hyaluronic acid induced by poly (I) . poly (C), although none of them decreased it to control non ‘activated’ levels. 4 Diflunisal 25 microgram/ml completely abrogated hyaluronic acid overproduction induced by poly (I) . poly (C). 5 This model could be an in vitro indicator for in vivo pharmacological levels of anti‐inflammatory drugs.