Porcine Hemagglutinating Encephalomyelitis Virus Infection
CDCD (cesarean derived
air-liquid interface respiratory epithelial cells
betacoronavirus
colostrum deprived)
coronavirus
infection
neonatal pigs
porcine hemagglutinating encephalomyelitis virus
upper respiratory tract
Journal
Journal of virology
ISSN: 1098-5514
Titre abrégé: J Virol
Pays: United States
ID NLM: 0113724
Informations de publication
Date de publication:
24 05 2021
24 05 2021
Historique:
received:
07
12
2020
accepted:
14
03
2021
pubmed:
26
3
2021
medline:
1
6
2021
entrez:
25
3
2021
Statut:
epublish
Résumé
Porcine hemagglutinating encephalomyelitis virus (PHEV) is a betacoronavirus that causes vomiting and wasting disease and/or encephalomyelitis in suckling pigs. This study characterized PHEV infection, pathogenesis, and immune response in cesarean-derived, colostrum-deprived (CDCD) neonatal pigs. Infected animals developed mild respiratory, enteric, and neurological clinical signs between 2 to 13 days postoronasal inoculation (dpi). PHEV did not produce viremia, but virus shedding was detected in nasal secretions (1 to 10 dpi) and feces (2 to 7 dpi) by reverse transcriptase quantitative PCR (RT-qPCR). Viral RNA was detected in all tissues except liver, but the detection rate and RT-qPCR threshold cycle (
Identifiants
pubmed: 33762411
pii: JVI.02335-20
doi: 10.1128/JVI.02335-20
pmc: PMC8316118
pii:
doi:
Substances chimiques
Interferon-alpha
0
Interleukin-8
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
Copyright © 2021 Mora-Díaz et al.
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