畜牧兽医学报 ›› 2014, Vol. 45 ›› Issue (9): 1505-1511.doi: 10.11843/j.issn.0366-6964.2014.09.017

• 预防兽医 • 上一篇    下一篇

禽呼肠孤病毒感染对SPF鸡跗关节细胞因子mRNA转录的影响

张昆丽1,谢芝勋2*,黄莉2,谢丽基2,刘加波2,邓显文2,谢志勤2,范晴2,罗思思2   

  1. (1.广西大学,动物科学技术学院,南宁 530004;2.广西壮族自治区兽医研究所,广西畜禽疫苗新技术重点实验室,南宁 530001)
  • 收稿日期:2014-06-03 出版日期:2014-09-23 发布日期:2014-09-23
  • 通讯作者: 谢芝勋,研究员,主要从事畜禽传染病分子生物学研究工作,E-mail: xiezhixun@126.com
  • 作者简介:张昆丽(1988-),女,云南玉溪人,硕士生,主要从事禽病防治与病原分子生物学研究,E-mail: zkl06001@163.com
  • 基金资助:

    国家自然科学基金(31160512);广西科技项目(桂科重1222003-2-4;2013GXNSFBA019120);广西特聘专家专项(2011B020)

Effect of Avian Reovirus Infection on Transcription of Cytokines mRNAs in Tarsal Joint of SPF Chickens

ZHANG Kun-li1,XIE Zhi-xun2*,HUANG Li2,XIE Li-ji2,LIU Jia-bo2,DENG Xian-wen2,XIE Zhi-qin2,FAN Qing2,LUO Si-si2   

  1. (1.College of Animal Science and Technology,Guangxi University,Nanning 530004,China;2.Guangxi Key Laboratory of Animal Vaccines and New Technology,Guangxi Veterinary Research Institute,Nanning 530001,China)
  • Received:2014-06-03 Online:2014-09-23 Published:2014-09-23

摘要:

禽呼肠孤病毒(ARV)是威胁全球肉鸡生产的重要致病性病原之一,感染后引起鸡的病毒性关节炎和免疫抑制等,给全球肉鸡产业带来重大的经济损失。本研究用ARV标准强毒株S1133经足垫注射感染7日龄SPF鸡,在感染后1、7、14、21、28、35 d分别采集对照组和试验组各3只SPF鸡跗关节,并测定IL-1β、IL-6、IL-17、IFN-γ和TNF-α基因的相对转录动态,初步探讨ARV感染对鸡跗关节中上述细胞因子mRNA转录时相的影响,为阐明ARV感染的致病机制研究奠定基础。结果表明,ARV感染可引起跗关节中上述细胞因子在不同时间点相对转录量上调,且在整个感染过程中具有持续性上调趋势,其中感染21、28、35 d后,IL-1β、IL-6、IL-17、IFN-γ、TNF-α的相对转录量与对照组相比显著上调(P<0.01),且IL-1β、IL-6、IL-17、IFN-γ呈逐渐上调趋势,表明IL-1β、IL-6、IL-17、IFN-γ、TNF-α参与了ARV感染对鸡跗关节的损伤过程,本研究结果为进一步阐明禽呼肠孤病毒的致病机理奠定了基础。

Abstract:

Avian reovirus (ARV) is a main viral pathogen of poultry,and its infection threatens broiler production due to severe arthritis and immune suppression,leading to huge economic losses.In this study,7-day-old specific pathogen free (SPF) chickens were infected with the ARV S1133 strain through footpad injection.Tarsal joints samples were collected on day 1,7,14,21,28,35 post-infection (PI) and tested for mRNA relative transcription levels of cytokines genes of IL-1β,IL-6,IL-17,IFN-γ and TNF-α by specific real-time PCR assays.Relative transcription levels of mRNA of IL-1β,IL-6,IL-17,IFN-γ and TNF-α in tarsal joint of SPF chickens were investigated.The results showed that ARV infection up-regulated the gene transcription of these cytokines in tarsal joints and the elevated transcription continued during the course of infections,the mRNA levels of IL-1β,IL-6,IL-17,IFN-γ and TNF-α genes were up-regulated (P<0.01) compared with control groups on day 21,28,35 PI.Moreover,cytokines genes transcription of IL-1β,IL-6,IL-17 and IFN-γ have the up-regulated trends.The results revealed that IL-1β,IL-6,IL-17,IFN-γ and TNF-α participate in the ARV-induced damaging processes in the tarsal joints.This study indicated that the changes of cytokines transcription in joints of chicken infected with ARV were helpful for further understanding pathogenesis of avian reovirus infections.

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