Stimulation of prostaglandin e production by bacterial endotoxins in cultured human synovial fibroblasts

Michael Yaron, Ilana Yaron*, Ophyra Smetana, Emanuel Eylan, Uriel Zor

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

E coli, shigella, salmonella, and cholera endotoxins stimulated prostaglandin E (PGE) production by cultured human synovial and foreskin fibroblasts. The minimal effective dose of Shigella endotoxin was 2 μg/ml and a maximal response was observed at 10 μg/ml. PGE stimulation was first detected 7 hours after addition of cholera endotoxin. Stimulation by shigelia endotoxin of both PGE and hyaluronic acid production was inhibited by indomethacin and aspirin. The present results suggest that PGE is a mediator of joint inflammation induced by endotoxins.

Original languageEnglish
Pages (from-to)921-925
Number of pages5
JournalArthritis and Rheumatology
Volume23
Issue number8
DOIs
StatePublished - Aug 1980

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