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1 August 2015 Genotype-Associated Arginase 1 Expression in Rat Peritoneal Macrophages Induced by Toxoplasma gondii
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Abstract

Toxoplasma gondii induces polarization of mouse macrophages, including both classically activated macrophages (M1) and alternatively activated macrophages (M2) in a genotype-related manner. Here we present a novel result that the Wh6 strain with type Chinese 1, which is predominantly prevalent in China, induces Arg1 expression in a STAT6-dependent manner in primary rat peritoneal macrophages as compared to the PRU stain with type II, which elicited a high expression of Arg1 in a C/EBPβ-dependent manner. In addition, dexamethasone inhibited Arg1 expression in rat macrophages in both treatments. Our data suggest that Arg1 expression, which is abundant in polarized M2 cells, is associated with strain/genotype differences from different pathways.

© American Society of Parasitologists 2015
Qian Zhang, Liuyuan He, Lanting Kong, Yihua Zhang, He Chen, Ran An, Lu Wang, Weiwei Wang, Xiucai Xu, Aimei Zhang, Yihong Cai, Min Li, Huiqin Wen, Qingli Luo, and Jilong Shen "Genotype-Associated Arginase 1 Expression in Rat Peritoneal Macrophages Induced by Toxoplasma gondii," Journal of Parasitology 101(4), (1 August 2015). https://doi.org/10.1645/14-696.1
Received: 17 November 2009; Accepted: 1 March 2015; Published: 1 August 2015
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