Gene Editing of Anp32a Confers Resistance to Avian Influenza in Chicken
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ABSTRACT:
ORGANISM(S): Gallus gallus
PROVIDER: GSE182397 | GEO | 2023/08/15
REPOSITORIES: GEO
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Project description:The mechanisms responsible for the molecular pathogenesis of the highly pathogenic avian influenza virus (HPAIV) or low pathogenic avian influenza virus (LPAIV) in avian species remain poorly understood. Thus, global immune response of chickens infected with HPAIV H5N1 (A/duck/India/02CA10/2011) and LPAIV H9N2 (A/duck/India/249800/2010) viruses was studied using microarray to identify crucial host genetic components responsive to these infection. HPAIV H5N1 induced excessive mRNA expression of cytokines (IFNA, OASL, MX1, RSAD2, IFITM5, GBP 1, IL1B, IL18, IL22, IL13, IL12B, CCL4, CCL9, CCL10, CX3CL1 etc) in lung tissues. This excessive cytokine response (cytokine storms) may cause tissue damage and high mortality in chickens. In contrast, the expression levels of most of the cytokines remained unchanged in the lungs of LPAIV H9N2 virus infected chickens. This study indicated the relationship between host cytokines response and their roles in pathogenesis in chickens infected with HPAIVs.
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Project description:While infection of chickens with highly pathogenic avian influenza (HPAI) H5N1 subtypes often leads to complete mortality within 24 to 48 h, infection of ducks in contrast causes mild or no clinical signs. Rapid onsets of fatal disease in chickens, but with no evidence of severe clinical symptoms in ducks, suggest underlying differences in their innate immune mechanisms. To understand the molecular basis for such difference, chicken and duck primary lung cells, infected with a low-pathogenicity avian influenza (LPAI) and two HPAI H5N1 viruses, were subjected to RNA expression profiling using Affymetrix Chicken GeneChip arrays. We used microarrays to analyze the gene expression profiles of primary chicken and duck lung cells infected with H2N3 LPAI and two H5N1 influenza virus subtypes to understand the molecular basis of host susceptibility and resistance. We have identified a set of key genes and pathways that could play an important role in mediating innate host resistance to avian influenza in chickens and ducks.
2014-12-04 | GSE33389 | GEO
Project description:The mechanisms responsible for the molecular pathogenesis of the highly pathogenic avian influenza virus (HPAIV) or low pathogenic avian influenza virus (LPAIV) in avian species remain poorly understood. Thus, global immune response of chickens infected with HPAIV H5N1 (A/duck/India/02CA10/2011) and LPAIV H9N2 (A/duck/India/249800/2010) viruses was studied using microarray to identify crucial host genetic components responsive to these infection. HPAIV H5N1 induced excessive mRNA expression of cytokines (IFNA, OASL, MX1, RSAD2, IFITM5, GBP 1, IL1B, IL18, IL22, IL13, IL12B, CCL4, CCL9, CCL10, CX3CL1 etc) in lung tissues. This excessive cytokine response (cytokine storms) may cause tissue damage and high mortality in chickens. In contrast, the expression levels of most of the cytokines remained unchanged in the lungs of LPAIV H9N2 virus infected chickens. This study indicated the relationship between host cytokines response and their roles in pathogenesis in chickens infected with HPAIVs. Agilent Custom Chicken Gene Expression 8X60k (AMADID: G4102A_059389) designed by Genotypic Technology Private Limited , Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)
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Project description:With the purpose to elucidate the expression changes of host genes of SPF chickens infected with duck-origin H7N9 subtype avian influenza virus at 24 hours post-infection(hpi) and fowl adenovirus-4 at 48 dpi. The spleens of SPF chickens infected with duck-origin H7N9 subtype avian influenza virus and fowl adenovirus-4 were collected and high throughout sequenced. Compared with the control group, there were 2426 differentially expressed genes were obtained in the duck-origin H7N9 subtype avian influenza virus group, including 913 up-regulated genes and 1513 down-regulated genes, and there were 1534 differentially expressed genes were obtained in the fowl adenovirus-4 group, including 632 up-regulated genes and 902 down-regulated genes.
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Project description:To determine the host response to AIV in chicken lungs, a whole chicken genome array was used to analyze RNA isolated from chicken lungs infected with AIV (4dpi) or medium control (NS). Dual-color, direct comparisons were carried between AIV infected and non-infected controls. Each comparison includes four biological replicates. There were 508 mRNAs (347 down-regulated) were differentially expressed following AIV infection. From the results, MX1, IL-8, IRF-7, TNFRS19 are identified as strong candidate genes involved in regulating the host response to AIV infection in the lungs of broiler chickens. Further gene specific knock-down assay is warranted to elucidate underlying mechanism of AIV infection regulation in the chicken.
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Project description:To determine the host response to AIV in chicken lungs, a whole chicken genome array was used to analyze RNA isolated from chicken lungs infected with AIV (4dpi) or medium control (NS). Dual-color, direct comparisons were carried between AIV infected and non-infected controls. Each comparison includes four biological replicates. There were 508 mRNAs (347 down-regulated) were differentially expressed following AIV infection. From the results, MX1, IL-8, IRF-7, TNFRS19 are identified as strong candidate genes involved in regulating the host response to AIV infection in the lungs of broiler chickens. Further gene specific knock-down assay is warranted to elucidate underlying mechanism of AIV infection regulation in the chicken. Dual-color, common reference comparisons were carried between AIV infected and non-infected controls. Four biological replicates, with dye swap labeling, were included in the comparisons. Background subtracted signal intensity were collected from 4 arrays and normalized before data analysis.
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Project description:This study utilized comparative global gene expression microarray analysis to evaluate the effects of NE on intestinal immunity of chicken. Two-condition experiment, NE-afflicted chickens vs. Non-infected control chickens. Biological replicates: 2 control replicates, 2 NE-afflicted replicates with dye-switching.
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