Strategies for the Enhanced Expression of Porcine RSAD2 against Pseudorabies Virus Infection
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ABSTRACT:
ORGANISM(S): Sus scrofa
PROVIDER: GSE247759 | GEO | 2023/11/19
REPOSITORIES: GEO
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Project description:RNA isolated from draining tracheobronchial lymph nodes (TBLN) from 5-week old pigs, either clinically infected with a feral isolate of Pseudorabies virus or uninfected were interrogated using Illumina Digital Gene Expression Tag Profiling. Over 100 million tag sequences were observed, representing 4,064,189 unique 21-base sequences collected from TBLN at time points 1, 3, 6 and 14 days post-infection (dpi) RNA isolated from draining tracheobronchial lymph nodes (TBLN) from 5-week old pigs (% per group pooled), either clinically infected with feral isolate FS268 of Pseudorabies virus or uninfected at 1, 3, 6, and 14 days post inoculation. Over 100 million tag sequences were observed, representing 4,064,189 unique 21-base sequences.
2015-10-30 | E-GEOD-74473 | biostudies-arrayexpress
Project description:PRV infection in swine can cause devastating disease and pose a potential threat to humans. Advancing the interplay between PRV and host is essential to elucidate the pathogenic mechanism of PRV and identify novel anti-PRV targets. In this study, we identified PARP11 as a host factor that can significantly affect PRV infection. Inhibition of PARP11 and knockout of PARP11 can significantly promoted PRV infection. Subsequently, we further found that PARP11 knockout upregulated the transcription of NXF1 and CRM1, resulting in enhanced transcription of viral genes. Furthermore, we also found that PARP11 knockout could activate the autophagy pathway and suppress the mTOR pathway during PRV infection. These findings could provide insight into the mechanism in which PARP11 participated during PRV infection and offer a potential target to develop anti-PRV therapies.
2024-07-01 | GSE247973 | GEO
Project description:RNA isolated from draining tracheobronchial lymph nodes (TBLN) from 5-week old pigs, either clinically infected with a feral isolate of Pseudorabies virus or uninfected were interrogated using Illumina Digital Gene Expression Tag Profiling. Over 100 million tag sequences were observed, representing 4,064,189 unique 21-base sequences collected from TBLN at time points 1, 3, 6 and 14 days post-infection (dpi)
2015-10-30 | GSE74473 | GEO
Project description:Six piglets (age 2-4 days) suffering from pseudorabies virus were identified during at outbreak at a commercial farm. RNA was extracted from lung (n=4) and brain (n=6) of the infected pigs, and compared to lung/brain RNA from a control pool of three uninfected piglets. Expression profiling used a human oligonucleotide geneset.
2009-10-02 | E-MEXP-2376 | biostudies-arrayexpress
Project description:BackgroundPorcine parvovirus (PPV) and pseudorabies virus (PRV) are the important etiological agents of swine infectious diseases, resulting in huge economic losses to the Chinese swine industry. Interleukin-6 (IL-6) has the roles to support host immune response to infections as a pleiotropic cytokine. It is essential to construct a live attenuated vaccine-based recombinant PRV that expresses PPV VP2 protein and porcine IL-6 for prevention and control of PRV and PPV.MethodsThe recombinant plasmid, pGVP2-IL6, was constructed by porcine IL-6 gene substituting for EGFP gene of the PRV transfer plasmid pGVP2-EGFP containing VP2 gene of PPV. Plasmid pGVP2-IL6 was transfected into swine testicle cells pre-infected with the virus rPRV-VP2-EGFP strain through homologous recombination and plaque purification to generate a recombinant virus rPRV-VP2-IL6. The recombinant PRV was further identified by PCR and DNA sequencing, and the expression of the VP2 protein and porcine IL-6 was analyzed by reverse transcription-PCR (RT-PCR) and Western blot. The virus titer was calculated according to Reed and Muench method. The immunogenicity of the recombinant virus was preliminarily evaluated in mice by intramuscular administration twice with the rPRV-VP2-IL6 at 4-week intervals.ResultsA recombinant virus rPRV-VP2-IL6 was successfully constructed and confirmed in this study. The properties of rPRV-VP2-IL6 were similar to the parental virus HB98 in terms of growth curve, morphogenesis and virus plaque sizes, and rPRV-VP2-IL6 was proliferated in different cell types. It induced specific antibodies against PPV as well as a strong increase of PPV-specific lymphocyte proliferation responses in mice immunized with rPRV-VP2-IL6, and provided partial protection against the virulent PPV challenge. rPRV-VP2-IL6 also induced a high level of neutralizing antibodies against PRV, and significantly reduced the mortality rate of (1 of 10) following virulent PRV challenge compared with the control (10 of 10).ConclusionsThe recombinant rPRV-VP2-IL6 might be a potential candidate vaccine against PRV and PPV infections in pigs.
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Project description:Expression profiles of porcine liver and tracheobronchial lung lymph node tissues were studied to identify genes being significantly affected by bacterial infection of the lungs. Samples were taken from liver and tracheobronchial lung lymph node tissues in pigs experimentally infected with A. pleuropneumoniae, serotype 5b, and from healthy non-inoculated control pigs from the same herd. Samples were investigated for changes in gene expression by means of global cDNA microarrays.
2013-01-01 | GSE16038 | GEO
Project description:Interferon-inducible transmembrane proteins (IFITMs) restrict infection by several viruses, such as influenza A virus, West Nile virus and dengue virus. It has not been determined whether porcine IFITMs (pIFITMs) inhibit infection by pseudorabies virus (PRV), an enveloped, double-stranded DNA virus, which is the etiological agent of Aujeszky's disease in pigs. Here, we report that PRV infection elicited pIFITM1 expression in PK15 porcine kidney epithelial cells and 3D4/21 alveolar macrophages. pIFITM2 and pIFITM3 expression was only elevated in PK15 cells during PRV infection. Depletion of pIFITM1 using RNA interference, either in PK15 or in 3D4/21 cells, enhanced PRV infection while overexpression of pIFITM1 had the opposite effect. Knockdown of pIFITM2 and pIFITM3 did not influence PRV infection, suggesting that pIFITM2 and pIFITM3 are independent of PRV infection. PRV-induced pIFITM1 expression was dependent on the cGAS/STING/TBK1/IRF3 innate immune pathway and interferon-alpha receptor-1, suggesting that pIFITM1 is up-regulated by the type I interferon signaling pathway. The anti-PRV role of pIFITM1 was inhibited upon PRV entry. Our data demonstrate that pIFITM1 is a host restriction factor that inhibits PRV entry that may shed light on a strategy for prevention of PRV infection.
| S-EPMC7102536 | biostudies-literature
Project description:Pseudorabies (PR) is a serious disease affecting the pig industry in China, and it is very important to understand the epidemiology of pseudorabies virus (PRV). In the present study, 693 clinical samples were collected from Bartha-K61 vaccinated pigs with symptoms of suspected PRV infection between January 2017 and December 2018. All cases were referred for full clinical autopsy with detailed examination of histopathological examination, virus isolation and genetic evolution analysis of the PRV glycoprotein E (gE) gene. In addition, PRV gE antibodies in 3,449 serum samples were detected by the enzyme-linked immunosorbent assay (ELISA). The clinical data revealed that abortion and stillbirth are the most frequent appearances in pregnant sows of those cases. Histopathological examination exhibited a variety of pathological lesions, such as lobar pneumonia, hepatitis, lymphadenitis, nephritis, and typical nonsuppurative encephalitis. A total of 248 cases tested positive for the PRV gE gene. 11 PRV variants were isolated and confirmed by gE gene sequencing and phylogenetic analysis. These strains had 97.1%-100.0% nucleotide homology with the PRV reference strains. Notably, the isolated strains were highly homologous and clustered in the same branch as HSD-1/2019, which caused human acute encephalitis. Serological tests showed that the positive rate of PRV gE antibody in the 3449 serum samples collected from the Hebei Province was 46.27%. In conclusion, PRV variant strains Are high prevalence in the Hebei Province, which not only causes huge economic losses to the breeding industry but also potentially poses a threat to public health.
| S-EPMC9263846 | biostudies-literature
Project description:Expression profiles of porcine liver and tracheobronchial lung lymph node tissues were studied to identify genes being significantly affected by bacterial infection of the lungs. Samples were taken from liver and tracheobronchial lung lymph node tissues in pigs experimentally infected with A. pleuropneumoniae, serotype 5b, and from healthy non-inoculated control pigs from the same herd. Samples were investigated for changes in gene expression by means of global cDNA microarrays. Expression profiling of samples of liver and lung lymph node tissues from ten pigs challenged with Actinobacillus pleuropneumoniae and from five healthy control pigs was conducted by hybridising all 2x15 samples against a tissue specific common reference consisting of a pool of equal amount of total-RNA from all samples of each tissue type and were balanced with respect to control and challenged animals.
2013-01-01 | E-GEOD-16038 | biostudies-arrayexpress
Project description:In vivo microarray study of global gene expression changes in peripheral blood mononuclear cells (PBMCs) of German Landrace pigs during the innate immune response to porcine reproductive and respiratory syndrome virus vaccination.
2017-02-14 | GSE78254 | GEO