Production of a macrophage migration inhibitory factor in rabbits with experimental arthritis

P. Stastny, T. D. Cooke, M. Ziff

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22 Scopus citations


Cultures of synovial tissue from rabbits with an antigen induced arthritis were tested for production of macrophage migration inhibitory factor to investigate the possible role of cellular immunity in this experimental model. Culture supernatants of ten specimens of normal rabbit synovium and six specimens from joints injected with saline did not inhibit macrophage migration; and in 13 experiments with synovium from an arthritis produced by injection of urate crystals only one showed significant inhibitory activity on macrophages. In contrast 19 of 25 antigen challenged joints produced migration inhibitory factor detectable in the culture supernatants. Inhibition ranged from 20 to 87% with a mean of 31.7 ± 4.3%. The migration inhibitory factor in these fluids was nondialysable and was eluted with an albumin marker from Sephadex G 200. The finding that a macrophage migration inhibitory agent is produced in the course of antigen induced synovitis is consistent with the postulated role of cellular immunity in the synovial lesion.

Original languageEnglish (US)
Pages (from-to)141-147
Number of pages7
JournalClinical and Experimental Immunology
Issue number1
StatePublished - Dec 1 1973

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology


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