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Expression of Prostaglandins-Related Genes in Erythrocytes of Chickens Infected with H9N2 Subtype of Avian Influenza Virus

Expression of Prostaglandins-Related Genes in Erythrocytes of Chickens Infected with H9N2 Subtype of Avian Influenza Virus

Muhammad Farhan Qadir1, Xin-Yu Han1, Meng-li Qiao1, Ying Wang1, Ding Zhang1, Yu-hai Bi1,2, Ali Raza Jahejo1,Qian-qian Cheng1 and Wen-xia Tian1,*

1College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, 030801, China
2CAS Key Laboratory of Pathogenic Microbiology and Immunology, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, Institute of Microbiology, Center for Influenza Research and Early-Warning (CASCIRE), Chinese Academy of Sciences, Beijing 100101, China

* Corresponding author: wenxiatian@126.com

ABSTRACT

Chicken’s erythrocytes are most abundant cells circulating in the body which participate in inflammation and immune responses. However, expression levels of prostaglandins-related genes in H9N2 infected chicken’s erythrocytes have not been studied yet. So, the present study was designed to investigate the PG-related genes in erythrocytes of H9N2 infected chickens. In current study, qRT-PCR and Western blot analysis were performed to identify the expression levels of PG-related genes (COX-2, GSTA3, PTGDS, PTGES, PTGER3 and PTGER4) in erythrocytes of H9N2 infected chickens at time intervals of 0, 2, 6 and 10 h and P < 0.05 was considered as statistically significant. Expression levels were increased significantly in case of COX-2 at 0 and 6 h, GSTA3 and PTGDS at 0 h and PTGER4 at 2 h of infection, while decreased expression was observed in case of COX-2 at 2 h, GSTA3 at 10 h, PTGDS at 6 and 10 h, PTGES at 2 and 10 h, PTGER3 at 0, 2, 6 and 10 h and PTGER4 at 6 and 10 h of infection. Besides, western blot analysis of COX-2 protein expression further supported the mRNA results. Moreover, this was first study indicating the expression levels of PG-related genes in the H9N2 infected chicken’s erythrocytes. This study may provide a new biomarker to detect H9N2 in chickens. Future studies are in process to know the morphological features, and to evaluate the mechanism exhibited by erythrocytes in response to H9N2 with new experimental evidence in chickens.
 

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Pakistan Journal of Zoology

August

Vol. 53, Iss. 4, Pages 1201-1601

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