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Genome-wide transcriptome analysis of human papillomavirus type 16 infected primary keratinocytes [monolayer]

ABSTRACT: HPV alters the host transcriptional program to establish infection and complete its lifecycle. Infection of keratinocytes has been difficult until our development of extracellular matrix (ECM) to cell transfer system that allows efficient infection of primary keratinocytes. Using this model, the transcriptional program of HPV infected keratinocytes at different times post infection was analyzed by mRNA-seq.

ORGANISM(S): Homo sapiens

PROVIDER: GSE137361 | GEO | 2019/11/10

REPOSITORIES: GEO

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Genome-wide transcriptome analysis of organotypic rafts derived from human papillomavirus type 16 infected primary keratinocytes [3D raft]

Project description:HPV alters the host transcriptional program to establish infection and complete its lifecycle. Infection of keratinocytes has been difficult until our development of extracellular matrix (ECM) to cell transfer system that allows efficient infection of primary keratinocytes. Using this model, the transcriptional program of HPV infected keratinocytes grown in raft culture was analyzed by mRNA-seq.

2019-11-10 | GSE137964 | GEO

Incoming human papillomavirus 16 genome is lost in PML protein-deficient HACAT keratinocytes.

Project description:Human papillomaviruses (HPVs) target PML nuclear bodies during infectious entry and PML protein is important for efficient transcription of incoming viral genome.We used shRNA to knockdown PML protein in HaCaT keratinocytes to further investigate the role of PML protein in HPV entry. We used microarrays to compare the transcriptome of PML protein-deficient with vector control-transduced HaCaT cells.

2016-11-17 | GSE89937 | GEO

Long non-coding RNA FAM83H-AS1 is regulated by human papillomavirus 16 E6 independently of p53 in cervical cancer cells

Project description:Global long non-coding RNA (lncRNA) expression profile in primary human keratinocytes post-expression of high-risk HPV-16 E6 oncoprotein Purpose: The goal of this study is to utlize high-throughput RNA sequencing (RNA-seq) to identify differentially expressed host lncRNAs with the presence of the high-risk HPV-16 E6 oncoprotein in primary human foreskin keratinocytes. Methods: Primary human foreskin keratinocytes (HEKa) stably expressing HPV-16 E6 compared to GFP control were analyzed, in triplicates, by RNA-seq (Illumina). qRT-PCR validation was performed using SYBR Green assays. Results: 151 up- and 100 down-regulated host lncRNAs were altered greater than 1.5-fold change in HEKa expressing HPV-16 E6 compared to GFP control cells. Altered expression of 16 genes (8 up- and 8 down-regulated) were confirmed by qRT-PCR, demonstrating the high-degree of sensitivity of the RNA-seq method. Conclusions: Our study represents the first global screening of host lncRNAs altered specifically by HPV-16 E6 oncoprotein expression.

2018-10-31 | GSE115334 | GEO

Genome-wide analysis of poly(I:C)-responsive gene expression by primary human keratinocytes with and without episomal human papillomavirus

Project description:Analysis of the effect of high-risk human papillomaviruses HPV16 and HPV18 in keratinocytes at gene expression level. The hypothesis tested in the present study was that HPVs inhibit the function of pathogen recognition receptors (PRRs), thereby evading the immune system. Results show that HPV-positive keratinocytes have a weaker response to poly(I:C), a synthetic double strand RNA agonist of viral PRRs, with IL1B as a central hub in a gene expression network of relative downregulation. Total RNA from eight primary undifferentiated keratinocyte cultures, four uninfected and four HPV-positive, that were either left unstimulated, or stimulated for 4 or 24 hrs with 25 ug/ml poly(I:C).

2011-03-14 | E-GEOD-21260 | biostudies-arrayexpress

Gene regulation in human epidermal keratinocytes by a Rho kinase inhibitor (Y-27632)

Project description:Keratinocytes are a targeted cells for infection of human papillomaviruses (HPV). But, there are very limited information for gene regulation of human karatinocytes by HPV infection. Y-27632, a rho-kinase inhibitor, stimulates proparation of keratinocytes. We identified genes, which are regulated by a drug for karatinocyte proparation (Y-27632). mRNA profiles of primary HEKs regulated by a rho kinase inhibitor (Y-27632, Y-drug) were generated by microarray analysis using Illumina BeadChip.

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Effect of HPV 16 E6, E7 oncoproteins on the expression level of cellular genes

Project description:The life cycle of human papillomaviruses (HPV) is strictly linked to the differentiation of their natural host cells. The HPV E6 and E7 oncoproteins can delay the normal differentiation program of keratinocytes, however, the exact mechanisms responsible for this have not yet been identified. The goal of this study was to investigate the effects of HPV16 oncoproteins on the expression of genes involved in keratinocyte differentiation. Primary human keratinocytes transduced by LXSN (control) retroviruses or virus vectors expressing HPV16 E6, E7 or E6/E7 genes were subjected to gene expression profiling. The results of microarray analysis showed that HPV 16 E6 and E7 have the capacity to down-regulate the expression of several genes involved in keratinocyte differentiation. Quantitative real-time polymerase chain reaction (qRT-PCR) assays were performed to confirm microarray data. To investigate the effects of the HPV oncoproteins on the promoters of selected keratinocyte differentiation genes, luciferase reporter assays were performed. Our results suggest that the HPV 16 E6 and/or E7 oncogenes are able to down-regulate the expression of several genes involved in keratinocyte differentiation, at least partially by down-regulating their promoter activity. This activity of the HPV oncoproteins may have a role in the productive virus life cycle, and also in virus induced carcinogenesis. Primary human foreskin keratinocytes were transduced by retrovirus vectors containing HPV 16 E6, E7, E6/E7 or the control vector LXSN. The global gene expression patterns of transduced keratinocytes were analyzed on Affymetrix microarrays

2014-06-26 | E-GEOD-58841 | biostudies-arrayexpress

Genome-wide analysis of poly(I:C)-responsive gene expression by primary human keratinocytes with and without episomal human papillomavirus

2011-03-14 | GSE21260 | GEO

Genome-wide transcriptome analysis of human papillomavirus type 16 infected primary keratinocytes [monolayer]

Project description:Genome-wide transcriptome analysis of human papillomavirus type 16 infected primary keratinocytes [monolayer]

| PRJNA565235 | ENA

E5 human papillomavirus type 16 oncoprotein modify ST3GAL3 and ST6GAL1 gene expression

Project description:Human papillomavirus (HPV) is the etiological agent of cervical cancer. Three viral proteins, E5, E6 and E7 have been implicated in cell transformation. Increased expression of sialic acid and sialylated antigens have been reported during cervix transformation, these results agree with the increased mRNA levels of the sialyltransferases genes ST6GAL1 and ST3GAL3 reported in premalignant and malignant tissue of the cervix. E6 and E7 HPV oncoproteins modify the expression of some glycogenes. The role of E5 HPV oncoprotein in the glycogene expression changes in premalignant and malignant cervical tissue has not been reported. The objective of this work was to identify glycogenes that modify their expression by E5 HPV oncoprotein in HaCaT cell line. A gene expression microarray was performed on HaCaT cells that stably expressed the HPV16 E5 oncogene. Analysis revealed alteration in some glycogenes including upregulation of ST6GAL1 and ST3GAL3. The increased mRNA levels of both genes were confirmed by qRT-PCR. In addition, an in-silico analysis was performed to identify glycosylation networks altered in presence of E5 oncoprotein. The analysis showed that E5 could modify the sialic acid expression, keratan sulfate synthesis, N-glycosylation and biosynthesis of glycosaminoglycans. This is the first report of the role of HPV16 E5 oncoprotein on glycogenes expression changes. Moreover, our results suggest that the increase of the sialyltransferases genes reported in premalignant and malignant cervical tissue, could be the result of the expression of E5 oncoprotein. These results provide information of the possible role of HPV infection on the sialylation changes in the cervical epithelium identified in premalignant lesions and cancer.

2018-08-21 | GSE118776 | GEO

The E2F4/p130 repressor complex cooperates with oncogenic ΔNp73α to promote cell survival in human papillomavirus 38 E6/E7-transformed keratinocytes and in cancer cells

Project description:Tumor suppressor p53 and its related proteins, p63 and p73, can be synthesized as multiple isoforms lacking part of the N- or C-terminal regions. Specifically, high expression of the ΔNp73α isoform is notoriously associated with various human malignancies characterized by poor prognosis. This isoform is also accumulated by oncogenic viruses such as Epstein–Barr virus (EBV), as well as genus beta human papillomaviruses (HPV) that appear to be involved in carcinogenesis. To gain additional insight into ΔNp73α mechanisms, we have performed proteomics analyses using human keratinocytes transformed by the E6 and E7 proteins of the beta-HPV type 38 virus as an experimental model (38HK). We find that ΔNp73α associates with the E2F4/p130 repressor complex through a direct interaction with E2F4. This interaction is favored by the N-terminal truncation of p73 characteristic of ΔNp73 isoforms. Moreover, it is independent of the C-terminal splicing status, suggesting that it could represent a general feature of ΔNp73α isoforms (α, β, γ, δ, ε, ζ, θ, η, and η1). We show that the ΔNp73α-E2F4/p130 complex inhibits the expression of specific genes, including genes encoding for negative regulators of proliferation, both in 38HK and in HPV-negative cancer-derived cell lines. Such genes are not inhibited by E2F4/p130 in primary keratinocytes lacking ΔNp73α, indicating that the interaction with ΔNp73α rewires the E2F4 transcriptional program. In conclusion, we have identified and characterized a novel transcriptional regulatory complex with potential implications in oncogenesis.

2021-06-08 | GSE162816 | GEO

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