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 language | English |
|---|---|
| Pages (from-to) | 368-373 |
| Number of pages | 6 |
| Journal | Archives of Pharmacal Research |
| Volume | 19 |
| Issue number | 5 |
| DOIs | |
| State | Published - 1996.10 |
Keywords
- Interferon-γ
- Mouse bone marrow derived-mast cells
- Nitric oxide
- Swiss 3T3 fibroblasts
- Tumor necrosis factor-α
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