Properties of multinucleated giant cells in a new in vitro model for human granuloma formation

U Seitzer, D Scheel-Toellner, K M Toellner, N Reiling, H Haas, J Galle, H D Flad, J Gerdes

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16 Citations (Scopus)


Multinucleated giant cells (MGCs) are a key feature of granulomas. They have been studied with respect to the mechanism and regulation of their formation, but the function of these cells still remains elusive. A new method for the in vitro generation of granulomas was developed and characterized in which L3 larvae of Nippostrongylus brasiliensis, as a target for the cellular response, were co-incubated with human mononuclear blood cells. The development of epithelioid cells and MGCs was observed and single isolated MGCs were analysed by the reverse transcriptase polymerase chain reaction method. The presence of tumour necrosis factor alpha (TNF alpha), interleukin-1 beta (IL-1 beta), interleukin-6 (IL-6), and inducible nitric oxide synthase (iNOS) transcripts in MGCs was demonstrated. It is proposed that MGCs in the granuloma model may in part represent an active cellular constituent involved in granuloma formation and turnover and in the destruction of the irritant.
Original languageEnglish
Pages (from-to)99-105
Number of pages7
JournalJournal of Pathology
Issue number1
Publication statusPublished - May 1997


  • Animals
  • Humans
  • Cell Culture Techniques
  • Granuloma
  • Models, Biological
  • Nippostrongylus
  • Giant Cells
  • Rats
  • Polymerase Chain Reaction
  • Rats, Wistar
  • Cytokines
  • Immunophenotyping
  • Immunoenzyme Techniques


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