The mechanism of antigen-presentation of avian bone marrowed dendritic cells suppressed by infectious bronchitis virus
文献类型： 外文期刊
作者： Zuo, Jinjiao 1 ; Cao, Yanan 2 ; Wang, Zhisheng 3 ; Shah, Abid Ullah 2 ; Wang, Wenlei 1 ; Dai, Chen 1 ; Chen, Mingjia 1 ;
作者机构： 1.Nanjing Agr Univ, Coll Life Sci, Wei Gang 1, Nanjing 210095, Jiangsu, Peoples R China
2.Nanjing Agr Univ, Coll Vet Med, Wei Gang 1, Nanjing 210095, Jiangsu, Peoples R China
3.Jiangsu Acad Agr Sci, Natl Res Ctr Engn & Technol Vet Biol, Inst Vet Immunol & Engn, Nanjing 210014, Peoples R China
关键词： Avian infectious bronchitis virus; Dendritic cells; m(6)A modification; microRNA
期刊名称：GENOMICS （ 影响因子：5.736； 五年影响因子：4.939 ）
ISSN： 0888-7543
年卷期： 2021 年 113 卷 4 期
页码：
收录情况： SCI
摘要： Dendritic cells are first guard to defend avian infectious bronchitis virus (IBV) infection and invasion. While IBV always suppress dendritic cells and escape the degradation and presentation, which might help viruses to transfer and migrant. Initially, we compared two IBV's function in activating avian bone marrow dendritic cells (BMDCs) and found that both IBV (QX and M41) did not significantly increase surface marker of avian BMDCs. Moreover, a significant decrease of m6A modification level in mRNA, but an increased in the ut RNA were observed in avian BMDCs upon the prevalent IBV (QX) infection. Further study found that both non-structural protein 7 (NSP7) and NSP16 inhibited the maturation and cytokines secretion of BMDCs, as well as their antigen-presentation ability. Lastly, we found that gga-miR21, induced by both NSP7 and NSP16, inhibited the antigen presentation of avian BMDCs. Taken together, our results illustrated how IBV inhibited the antigen-presentation of avian DCs.
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