NON-STEROIDAL ANTI-INFLAMMATORY AGENTS INHIBIT THE SYNTHESIS OF IgM RHEUMATOID FACTOR IN VITRO

JanL Ceuppens, MartinA Rodriguez, James Goodwin

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

The effects of three non-steroidal anti-inflammatory agents, indomethacin, carprofen, and piroxicam, on in-vitro IgM rheumatoid-factor (IgM-RF) production by peripheral-blood mononuclear cells were studied in lymphocytes isolated from the peripheral blood of rheumatoid-arthritis patients and of healthy young (age 20-40 years) and elderly (age 70-80 years) volunteers selected for their known in-vitro IgM-RF production. All three drugs in therapeutic concentrations inhibited IgM-RF production by approximately 50%. Addition of low doses of prostaglandin E2 (PGE2) (30 nmol/l) to the cultures containing indomethacin restored the IgM-RF production to the original levels. Neither indomethacin nor PGE2 had any effect on IgM-RF production if the T cells were irradiated before culture. Endogenous PGE2 seems to stimulate IgM-RF production through an effect on a radiosensitive T-cell population. Non-steroidal anti-inflammatory agents block PGE2 production and therefore reduce IgM-RF production in vitro. These results suggest a new mechanism for the beneficial effect of prostaglandin synthetase inhibitors in the treatment of rheumatoid arthritis.

Original languageEnglish (US)
Pages (from-to)528-530
Number of pages3
JournalThe Lancet
Volume319
Issue number8271
DOIs
StatePublished - Mar 6 1982
Externally publishedYes

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Rheumatoid Factor
Non-Steroidal Anti-Inflammatory Agents
Immunoglobulin M
Dinoprostone
Indomethacin
Rheumatoid Arthritis
T-Lymphocytes
Piroxicam
Prostaglandin Antagonists
Prostaglandin-Endoperoxide Synthases
Volunteers
Blood Cells
Lymphocytes
Therapeutics
Pharmaceutical Preparations
Population
In Vitro Techniques

ASJC Scopus subject areas

  • Medicine(all)

Cite this

NON-STEROIDAL ANTI-INFLAMMATORY AGENTS INHIBIT THE SYNTHESIS OF IgM RHEUMATOID FACTOR IN VITRO. / Ceuppens, JanL; Rodriguez, MartinA; Goodwin, James.

In: The Lancet, Vol. 319, No. 8271, 06.03.1982, p. 528-530.

Research output: Contribution to journalArticle

Ceuppens, JanL ; Rodriguez, MartinA ; Goodwin, James. / NON-STEROIDAL ANTI-INFLAMMATORY AGENTS INHIBIT THE SYNTHESIS OF IgM RHEUMATOID FACTOR IN VITRO. In: The Lancet. 1982 ; Vol. 319, No. 8271. pp. 528-530.
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