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Analysis of gene expression in primary human foreskin keratinocytes +/- HPV16 E7 or PTPN14 knockout

ABSTRACT: This RNA-seq study in primary human forekin keratinocytes was to define genes that are differetially expressed in the presence or absence of HPV16 E7 or several HPV16 E7 variants. We also generated and conducted RNA-seq on primary human foreskin keratinocytes that were CRISPR-Cas9 edited with nontargeting sgRNA or sgRNA targeting PTPN14.

ORGANISM(S): Homo sapiens

PROVIDER: GSE121906 | GEO | 2019/02/28

REPOSITORIES: GEO

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Analysis of gene expression in primary human foreskin keratinocytes (HFK) +/- HPV16 E7

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Analysis of gene expression in primary human foreskin keratinocytes +/- HPV16 E7 or PTPN14 knockout

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Analysis of gene expression in primary human foreskin keratinocytes (HFK) +/- HPV18 E7

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Analysis of gene expression in primary human foreskin keratinocytes (HFK) +/- HPV16 E7

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RNA expression profile comparison of HFKs expressing E6/E7 from beta-3 HPVs (49, 75, 76, 115) and from HR alpha HPV16 and beta-2 HPV38

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Gene expression profiling of murine skin transgenically generated to express HPV16 E7 oncoprotein

Project description:A validated animal model would assist with research on the immunological consequences of the chronic expression of HPV16 E7 oncoprotein expression. Here we performed RNA-seq analysis of normal C57BL/6 skin versus mouse transgenically generated to express HPV16 E7 oncogene under the keratin 14 promoter (K14E7). Mice present with epithelial hyperplasia and increased immune cell infiltrate associated with immune suppression.

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The impact of HPV16 and HPV18 E6/E7 oncogenes on gene expression in non-tumorigenic keratinocytes (HaCaT cells)

Project description:This analysis aimed to identify differentially expressed genes in non-tumorigenic keratinocytes transduced with E6/E7 oncogenes of HPV16 or 18. The working cell models were named HaCaT E6/E7 HPV16, HaCaT E6/E7 HPV18, and HaCaT pLVX (empty lentiviral vector) as controls. mRNA sequencing was performed on the Illumina NovaSeq 6000 platform by Novogene Bioinformatics Technology Co., Ltd, Beijing, China, with two independent replicate sequences for each cell model. Methodology: The bioinformatics pipeline analysis was executed as described below: Rstudio (v2023.06.1+524) and Galaxy (https://www.usegalaxy.orgaccessed on 15 August 2023) open-source platforms were used to analyze the Illumina raw data. The Quality Check was performed through the FastQC tool (v0.12.1); afterward, all the reads were processed by the Rsubread package (v2.14.2); at that point, the reads were trimmed and aligned to the Human Genome Reference (GRCh38.p14 v43). The resulting output was the BAM files, of which the number of reads was counted by the featureCounts tool (v2.0.3); at the final step, the Differential Expression Analysis was settled by DESeq2 tool (v2.11.40.8). The differential gene expression measurements were normalized by DESeq2´s median of ratios (median of ratio of gene counts relative to geometric mean per gene) method. All chemokine genes with an adjusted p-value (adj p) ≤ 0.05 and fold change (Log2FC) > 1 .5 or < -1.5 were selected as differentially expressed genes (DEGs). Some genes from the resulting outputs were validated through qPCR. Conclusions: Our study found 3296 differentially expressed genes in HaCaT E6/E7 HPV16 and 1943 in HaCaT E6/E7 HPV18. These results suggest that E6/E7 oncogenes from HPV16 and 18 can broadly modify transcriptomic expression.

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