Porcine Epidemic Diarrhea Virus and the Host Innate Immune Response

Porcine epidemic diarrhea virus (PEDV), a swine enteropathogenic coronavirus (CoV), is the causative agent of porcine epidemic diarrhea (PED). PED causes lethal watery diarrhea in piglets, which has led to substantial economic losses in many countries and is a great threat to the global swine indust...

Full description

Bibliographic Details
Main Authors: Shasha Li, Jinping Yang, Zixiang Zhu, Haixue Zheng
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Pathogens
Subjects:
Online Access:https://www.mdpi.com/2076-0817/9/5/367
_version_ 1797568310517170176
author Shasha Li
Jinping Yang
Zixiang Zhu
Haixue Zheng
author_facet Shasha Li
Jinping Yang
Zixiang Zhu
Haixue Zheng
author_sort Shasha Li
collection DOAJ
description Porcine epidemic diarrhea virus (PEDV), a swine enteropathogenic coronavirus (CoV), is the causative agent of porcine epidemic diarrhea (PED). PED causes lethal watery diarrhea in piglets, which has led to substantial economic losses in many countries and is a great threat to the global swine industry. Interferons (IFNs) are major cytokines involved in host innate immune defense, which induce the expression of a broad range of antiviral effectors that help host to control and antagonize viral infections. PEDV infection does not elicit a robust IFN response, and some of the mechanisms used by the virus to counteract the host innate immune response have been unraveled. PEDV evades the host innate immune response by two main strategies including: 1) encoding IFN antagonists to disrupt innate immune pathway, and 2) hiding its viral RNA to avoid the exposure of viral RNA to immune sensors. This review highlights the immune evasion mechanisms employed by PEDV, which provides insights for the better understanding of PEDV-host interactions and developing effective vaccines and antivirals against CoVs.
first_indexed 2024-03-10T19:54:36Z
format Article
id doaj.art-83813e2570d645bbbb223dc68960feda
institution Directory Open Access Journal
issn 2076-0817
language English
last_indexed 2024-03-10T19:54:36Z
publishDate 2020-05-01
publisher MDPI AG
record_format Article
series Pathogens
spelling doaj.art-83813e2570d645bbbb223dc68960feda2023-11-20T00:03:53ZengMDPI AGPathogens2076-08172020-05-019536710.3390/pathogens9050367Porcine Epidemic Diarrhea Virus and the Host Innate Immune ResponseShasha Li0Jinping Yang1Zixiang Zhu2Haixue Zheng3State Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, ChinaState Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, ChinaState Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, ChinaState Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, ChinaPorcine epidemic diarrhea virus (PEDV), a swine enteropathogenic coronavirus (CoV), is the causative agent of porcine epidemic diarrhea (PED). PED causes lethal watery diarrhea in piglets, which has led to substantial economic losses in many countries and is a great threat to the global swine industry. Interferons (IFNs) are major cytokines involved in host innate immune defense, which induce the expression of a broad range of antiviral effectors that help host to control and antagonize viral infections. PEDV infection does not elicit a robust IFN response, and some of the mechanisms used by the virus to counteract the host innate immune response have been unraveled. PEDV evades the host innate immune response by two main strategies including: 1) encoding IFN antagonists to disrupt innate immune pathway, and 2) hiding its viral RNA to avoid the exposure of viral RNA to immune sensors. This review highlights the immune evasion mechanisms employed by PEDV, which provides insights for the better understanding of PEDV-host interactions and developing effective vaccines and antivirals against CoVs.https://www.mdpi.com/2076-0817/9/5/367coronavirusporcine epidemic diarrhea virusinnate immunitytype I IFNimmune evasion
spellingShingle Shasha Li
Jinping Yang
Zixiang Zhu
Haixue Zheng
Porcine Epidemic Diarrhea Virus and the Host Innate Immune Response
Pathogens
coronavirus
porcine epidemic diarrhea virus
innate immunity
type I IFN
immune evasion
title Porcine Epidemic Diarrhea Virus and the Host Innate Immune Response
title_full Porcine Epidemic Diarrhea Virus and the Host Innate Immune Response
title_fullStr Porcine Epidemic Diarrhea Virus and the Host Innate Immune Response
title_full_unstemmed Porcine Epidemic Diarrhea Virus and the Host Innate Immune Response
title_short Porcine Epidemic Diarrhea Virus and the Host Innate Immune Response
title_sort porcine epidemic diarrhea virus and the host innate immune response
topic coronavirus
porcine epidemic diarrhea virus
innate immunity
type I IFN
immune evasion
url https://www.mdpi.com/2076-0817/9/5/367
work_keys_str_mv AT shashali porcineepidemicdiarrheavirusandthehostinnateimmuneresponse
AT jinpingyang porcineepidemicdiarrheavirusandthehostinnateimmuneresponse
AT zixiangzhu porcineepidemicdiarrheavirusandthehostinnateimmuneresponse
AT haixuezheng porcineepidemicdiarrheavirusandthehostinnateimmuneresponse