ArticleGastroenterology and hepatology from bed to bench2016
The gene expression level of IFN-γR1 and IFN-γR2 in a murine model treated with Toxoplasma gondii and its products.
Article in Gastroenterology and hepatology from bed to bench, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimTo evaluate the effect of active T. gondii tachyzoites and its products on the gene expression level of IFN-γR1 and IFN-γR2 in a murine model.
backgroundMany studies have shown that the parasite Toxoplasma gondii utilizes different mechanisms to inhibit the function of IFN-γ, but the parasite effect on the function of IFN-γR1 and IFN-γR2 is still unclear. PATIENTS AND
methodsToxoplasma lysate product (TLP), excretory/secretory products (ESPs) obtained from cell free and cell culture media as well as active tachyzoites were injected separately to their respective group each consisted of 10 BALB/c mice. One control group of 10 mice received phosphate buffered saline (PBS). All of the mice were euthanized three days after the last injection and then their peritoneal leukocytes were harvested separately. The total RNA was extracted from the samples, converted to cDNA, and the gene expression level of IFN-γR1 and IFN-γR2 was assessed in all of the treated groups relative to the control one.
resultsThere was no significant difference between each of the treated groups relative to the control group concerning the gene expression level of IFN-γR2 (P> 0.05). Furthermore, the gene expression level of IFN-γR1 in two groups of TLP (P= 0.04) and ESP obtained from cell free medium (P= 0.008) showed a significant difference relative to the control group.
conclusionFindings of this study revealed a new aspect of host-T. gondii interaction in that this parasite is able to downregulate IFN-γR1 to reduce the IFN-γ effects on the infected cell.
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27099672PMC4833851What OpenQuestion holds
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