ArticleVeterinary medicine and science2022
Investigation of the anti-pseudorabies virus activity of interferon lambda 3 in cultured porcine kidney epithelial cells.
Article in Veterinary medicine and science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 5 citations in OpenAlex.
- The immunity protection of intestine induced by pseudorabies virus del gI/gE/TK in piglets.Frontiers in microbiology · 2023Article
- Investigation of the anti-pseudorabies virus activity of interferon lambda 3 in cultured porcine kidney epithelial cells.Veterinary medicine and science · 2022Article
- Pseudorabies virus-induced expression and antiviral activity of type I or type III interferon depend on the type of infected epithelial cell.Frontiers in immunology · 2022Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIt has been reported Interferon-λ (IFN-λ) has stronger antiviral effect than other interferons. IFN-λ can induce antiviral interferon stimulated genes (ISGs) in epithelia to protect against virus. Pseudorabies virus (PRV) infection in pigs resulting in fatal encephalitis in newborn piglets, respiratory disorders in finishing pigs, reproductive disorders in sows and other symptoms.
objectivesSince the effect of IFN-λ on inhibiting PRV proliferation is still unknown. Inthis study, we investigate the relative contribution of porcine IFN-λ3 toward controlling the infection of PRV in vitro. Our findings may provide a new insight for the prevention and treatment of PRV.
methodsTherefore, the antiviral assay, western blot, qRT-PCR and ELISA assay were used to investigating the contribution of IFN-λ against PRV in PK-15 cells.
resultsHere, we demonstrate that the replication of PRV in PK-15 cells was inhibited after pre-treatment with IFN-λ3, and such inhibition was dose dependent. Overexpression of IFN-λ3 receptor (IFNLR) also restricted virus titre in PK-15 cells. In addition, IFN-λ3 also increased the mRNA and protein expression of interferon-stimulated genes 15 (ISG15), 2'-5'-oligoadenylate synthase 1 (OAS1), IFN-inducible transmembrane 3 (IFITM3) and myxoma resistance protein 1 (Mx1) in PRV-infected PK-15 cells. Other than modulation ISGs, IFN-λ specifically activated IFN-γ mRNA expression not IFN-α or IFN-β.
conclusionsIFN-λ3 had antiviral activity against PRV and the upregulation of ISGs and IFN-γ mRNA expression may be the mechanism of IFN-λ3's antiviral activities. Thus, IFN-λ3 has a decisive function that greatly limits PRV replication in PK-15 cells. Our study explores the antiviral activity of IFN-λ3 on PRV for the first time.
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