The inhibitory Effect of Interferon Gamma and Tumor Necrosis Factor Alpha on Intracellular Multiplication of Neospora caninum in Primary Bovine Brain Cells.
- 1 January 2000
- journal article
- Published by Japanese Society of Veterinary Science in The Journal of Veterinary Medical Science
- Vol. 62 (3), 347-351
- https://doi.org/10.1292/jvms.62.347
Abstract
Primary culture of bovine brain cells was examined for its susceptibility to Neospora caninum infections, and this model was used to investigate the effects of bovine interferon gamma (IFN-gamma) and tumor necrosis factors alpha (TNF-alpha) on tachyzoite growth. Tachyzoites of N. caninum grew well in this culture, and tachyzoite growth in astroglia and microglia were confirmed by immunocytochemical staining. IFN-gamma inhibited the tachyzoite growth, and this inhibition was not reversed by the addition of nitric oxide antagonist. TNF-alpha, to a lesser extent, also inhibited the tachyzoite growth. Th-1 type cytokines may play an important role in host defense mechanisms in N. caninum infection.Keywords
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