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Poly I: C Alleviated Duck Intestinal Injury Infected with Duck Viral Enteritis by Inhibiting Apoptosis

文献类型： 外文期刊

作者： Zhang, Yangzi 1 ; Wu, Yutong 1 ; Zhang, Xiaoke 1 ; Wang, Xuan 1 ; Pu, Ling 1 ; Xu, Jinge 1 ; Wen, Zhengchang 1 ; Wen, Ming 2 ;

作者机构： 1.Guizhou Acad Agr Sci, Inst Anim Husb & Vet Med, Blight Livestock & Poultry Res Lab, 1 Laolipo Nanming Dist, Guiyang 550025, Guizhou, Peoples R China

2.Guizhou Univ, Coll Anim Sci, Guiyang, Guizhou, Peoples R China

期刊名称：CURRENT MICROBIOLOGY （ 影响因子：2.3； 五年影响因子：2.4 ）

ISSN： 0343-8651

年卷期： 2024 年 81 卷 9 期

页码：

收录情况： SCI

摘要： Duck enteritis virus (DEV) may lead to vascular injury, gastrointestinal mucosal erosion, lymphoid organ injury, and Polyinosinic-polycytidylic acid (Poly I:C) has an antiviral effect by inducing low levels of interferon. The purpose of this study was to explore the pathogenesis of DEV-induced intestinal injury in ducks and to verify the therapeutic effects of different concentrations of Poly I:C. In this study, duck enteritis model was established by infecting healthy Pekin ducks with DEV. Duck intestinal tissues were extracted from normal control group, model group, and treatment group with different doses of Poly I:C. In vivo, HE and TUNEL staining were used to observe the morphological changes and apoptosis. In vitro, the proliferation and apoptosis of duck intestinal epithelial cells were evaluated by MTT assay, TUNEL staining, and flow cytometry. The results showed that Poly I:C protected ducks from DEV toxicity by improving intestinal morphology and inhibiting apoptosis. In addition, the antiviral effect of Poly I:C on DEV was found in a dose-dependent manner, with a more relatively obvious effect at a high dose of Poly I:C. All in all, these results demonstrated that Poly I:C played a vital role in the apoptosis induced by DEV in ducks and modest dose of Poly I:C treatment worked well and may provide important reference for the development of new antiviral drugs in the future.

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