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Regulation of proliferation of mouse bone marrow-derived mast cells by activated fibroblasts

  • Sung Joo Park
  • , Hyung Ryong Kim
  • , Hye Won Cho
  • , Hyung Min Kim*
  • *Corresponding author for this work
  • Wonkwang University

Research output: Contribution to journalJournal articlepeer-review

Abstract

Nitric oxide (NO) is synthesized by various cells involved in inflammatory reactions and may then act on mast cells. In the present work, we attempted to clarify the role of this molecule on the proliferation of mouse bone marrow derived-mast cells (BMMC). Swiss 3T3 fibroblasts produced nitrite (NO2-) and nitrate (NO3-) upon treatment with interferon γ (IFN-γ). This formation was dependent of L-arginine and could be inhibited by the L-arginine analogue NG-monomethyl-L-arginine (NGMMA). The effect of IFN-γ was drastically increased by cotreatment with tumor necrosis factor γ (TNF-γ). BMMC were maintained in vitro for as long as 30 days when cocultured with Swiss 3T3 fibroblasts. Coculture with NGMMA, significantly increased the number of BMMC. These results indicate that NO involves the inhibition of proliferation of BMMC when cocultured with Swiss 3T3 fibroblasts.

Original languageEnglish
Pages (from-to)368-373
Number of pages6
JournalArchives of Pharmacal Research
Volume19
Issue number5
DOIs
StatePublished - 1996.10

Keywords

  • Interferon-γ
  • Mouse bone marrow derived-mast cells
  • Nitric oxide
  • Swiss 3T3 fibroblasts
  • Tumor necrosis factor-α

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