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Involvement of leukotriene B4 in arthritis models
1Discovery Research Division, Santen Pharmaceutical Co., Ltd., Osaka, Japan.
Life Sciences
|February 23, 1999
Abstract:
We investigated the role of leukotriene B4 (LTB4) in murine arthritis models using a leukotriene A4 (LTA4) hydrolase inhibitor, SA6541. SA6541 inhibited the severity of collagen-induced arthritis and muramyl dipeptide (MDP)-induced hyperproliferation of synovial cells in vivo. SA6541 also inhibited LTA4-induced hyperproliferation of synovial stromal cells in vitro. These results suggest that LTB4 may play an important role in arthritis models.