Archives of Virology

, Volume 164, Issue 10, pp 2451–2458 | Cite as

Altered gene expression profiles of the MDA5 signaling pathway in peripheral blood lymphocytes of chickens infected with avian reovirus

  • Liji Xie
  • Zhixun XieEmail author
  • Sheng Wang
  • Jiaoling Huang
  • Xianwen Deng
  • Zhiqin Xie
  • Sisi Luo
  • Tingting Zeng
  • Yanfang Zhang
  • Minxiu Zhang
Original Article


Avian reovirus (ARV) is a member of the genus Orthoreovirus in the family Reoviridae and causes a severe syndrome including viral arthritis that leads to considerable losses in the poultry industry. Innate immunity plays a significant role in host defense against ARV. Here, we explored the interaction between ARV and the host innate immune system by measuring mRNA expression levels of several genes associated with the MDA5 signaling pathway. The results showed that expression peaks for MDA5, MAVS, TRAF3, TRAF6, IRF7, IKKɛ, TBK1 and NF-κB occurred at 3 days postinfection (dpi). Moreover, type I IFN (IFN-α, IFN-β) and IL-12 expression levels peaked at 3 dpi, while type II IFN (IFN-γ), IL-6, IL-17 and IL-18 expression reached a maximum level at 1 dpi. IL-8 changed at 5 dpi, and IL-1β and TNF-α changed at 7 dpi. Interestingly, several key IFN-stimulated genes (ISGs), including IFITM1, IFITM2, IFITM5, Mx1 and OASL, were simultaneously upregulated and reached maximum values at 3 dpi. These data indicate that the MDA5 signaling pathway and innate immune cytokines were induced after ARV infection, which would contribute to the ARV-host interaction, especially at the early infection stage.



This work was supported by the National Natural Science Foundation of China (31660715), the Guangxi Science and Technology Bureau Program (2018GXNSFAA138106 and AB16380003), the Research and Innovation Bridges Cooperation Program between China and England (2016YFE0124200), the National Ten-Thousand Talents Program of China (W02060083), and the Guangxi BaGui Scholars Program Foundation (2019-79).

Compliance with ethical standards

Conflicts of interest

The authors have no conflicts of interest to declare.

Ethical approval

This study was conducted in strict accordance with the recommendations included in the Guide for the Care and Use of Laboratory Animals of the Guangxi Veterinary Research Institute. In addition, the Animal Care and Use Committee of the Guangxi Veterinary Research Institute approved all of the procedures involving the use of animals, and all efforts were made to minimize animal suffering.


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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Guangxi Key Laboratory of Veterinary BiotechnologyGuangxi Veterinary Research InstituteNanningPeople’s Republic of China

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