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Gene Expression Profile in the Liver of Sheep Infected with Cystic Echinococcosis

文献类型： 外文期刊

作者： Hui, Wenqiao 1 ; Jiang, Song 2 ; Liu, Xianxia 2 ; Ban, Qian 2 ; Chen, Sheng 1 ; Jia, Bin 2 ;

作者机构： 1.Anhui Acad Agr Sci, Inst Anim Husbandary & Vet Med, Rd Nongkenan, Hefei 230031, Anhui, Peoples R China

2.Shihezi Univ, Coll Anim Sci & Technol, Rd Beisi, Shihezi 832003, Xinjiang, Peoples R China

3.Anhui Univ, Sch Life Sci, Ctr Stem Cell & Translat Med, Rd Jiulong, Hefei 230000, Anhui, Peoples R China

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2016 年 11 卷 7 期

页码：

收录情况： SCI

摘要： Background Cystic Echinococcosis (CE), caused by infection with the Echinococcus granulosus (E. granulosus), represents considerable health problems in both humans and livestock. Nevertheless, the genetic program that regulates the host response to E. granulosus infection is largely unknown. Previously, using microarray analysis, we found that the innate immunity played a vital role in the E. granulosus defense of the intestine tissue where E. granulosus first invaded. Subsequently, we turned our attention to investigating the molecular immune mechanism in its organ target, the liver, which is where the E. granulosus metacestodes are established and live for very long periods. In this work, the microarray-based methodology was used to study gene expression profiles in the liver of sheep infected with E. granulosus at 8 weeks post infection, corresponding to the early cystic established phase. Methods A total of 6 female-1-year-old healthy Kazakh sheep were used for the experiments. Three Kazakh sheep were orally infected with E. granulosus eggs, and the others remained untreated and served as controls. Sheep were humanely euthanized and necropsized at 8 weeks post-infection (the early stage of cyst established). The microarray was used to detect differential hepatic gene expression between CE infection sheep and healthy controls at this time point. Real-time PCR was used to validate the microarray data. Results We found that E. granulosus infection induces 153 differentially expressed genes in the livers of infected sheep compared with healthy controls. Among them, 87 genes were up-regulated, and 66 genes were notably down-regulated. Functional analysis showed that these genes were associated with three major functional categories: (a) metabolism, (b) the immune system and (c) signaling and transport. Deeper analysis indicated that complement together with other genes associated with metabolism, played important roles in the defense of E. granulosus infection. Conclusion The present study identified genes profiling in the liver tissue of E. granulosus infection in sheep. The expression pattern obtained here could be helpful for understanding the molecular immunity mechanisms of host responses to E. granulosus infection. However, it is necessary to carry out further studies to evalute the role of these genes.

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