Abstract:
BACKGROUND:Chondrocytes are one of the main cell types involved in rheumatoid inflammation, releasing mediators which add to cartilage destruction, bone damage and consequently disability. Current evidence suggests that serotonin 5-HT(3) receptor antagonists (5-HT(3)RA) show anti-inflammatory and antioxidant properties in vitro and in vivo. Yet, the mechanisms of the anti-inflammatory effects of 5-HT(3)RA have not been elucidated in detail. METHODS:Therefore, we examined in detail the effects of 5-HT(3)RA on inflammatory parameters in human primary chondrocytes in vitro by studying prostaglandin E2 (PGE2) and 8-isoprostane (8-iso-PGF2α) levels by EIA and interleukin-6 (IL-6) synthesis by ELISA. Cyclooxygenase-2 (COX-2) and microsomal prostaglandin E synthase-1 (mPGES-1) protein levels were analyzed by Western blot. RESULTS:We found a significant reduction of IL-1β induced PGE2, 8-iso-PGF2β and IL-6 chondrocytes by 5-HT(3)RA especially by dolasetron. CONCLUSIONS:This study provides additional support to the potential use of 5-HT(3)RAs as therapeutic agents to reduce joint inflammation.
journal_name
Int Immunopharmacoljournal_title
International immunopharmacologyauthors
Stratz C,Anakwue J,Bhatia H,Pitz S,Fiebich BLdoi
10.1016/j.intimp.2014.06.003subject
Has Abstractpub_date
2014-09-01 00:00:00pages
160-6issue
1eissn
1567-5769issn
1878-1705pii
S1567-5769(14)00217-3journal_volume
22pub_type
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