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The effect of productive HPV16 infection on the cervical epithelium transcriptome

ABSTRACT: The effect of productive HPV16 infection on the cervical epithelium transcriptome

PROVIDER: PRJNA429466 | ENA |

REPOSITORIES: ENA

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The effect of productive HPV16 infection on the cervical epithelium transcriptome

Project description:Microarray analysis of the effect of early stage, productive HPV16 infection on the transcriptome of human cervical keratinocytes. Our results provide for the first time, global gene expression changes in cervical epithelium that produces high levels of viral titers.

2018-07-24 | GSE109039 | GEO

Tissue-specific gene expression during productive HPV16 infection of cervical, foreskin and tonsil epithelium.

Project description:We performed microarray analysis of the effect of productive HPV16 infection in cervical, foreskin and tonsil epithelial trancriptome. Our study for the first time compares and contrast the gene expression changes and differential activation of cellular pathways induced by the virus in the three tissue types.

2019-06-03 | GSE129159 | GEO

Tissue-specific gene expression during productive HPV16 infection of cervical, foreskin and tonsil epithelium.

Project description:Tissue-specific gene expression during productive HPV16 infection of cervical, foreskin and tonsil epithelium.

| PRJNA530248 | ENA

circularRNA Sequencing of HPV16 positive cervical cancer tissues, HSIL tissues and normal cervical epithelial tissues

Project description:To explore the circRNA expression profiles during the development and progression of cervical cancer, we performed RNA sequencing analysis with ribosomal RNA-depleted in HPV negative normal cervical epithelium, HPV16 positive normal cervical epithelium, HPV16 positive high-grade squamous intraepithelial lesion (HSIL), and HPV16 positive cervical squamous cell carcinoma tissues,6 cases in each group.Totally 66868 circRNAs were identified (Back-spliced junctions reads≥1)

2020-12-21 | GSE147009 | GEO

Expression data of mRNA and circRNA from HPV16 positive cervical cancer tissues, HSIL tissues and normal cervical epithelial tissues

Project description:CircRNAs have been found to regulate mRNA expression levels and serve an important role in cervix carcinogenesis. To explore the circRNA expression profiles during the development and progression of cervical cancer, we performed microarray analysis with total RNA in normal cervical epithelium(n=7), HPV16 positive high-grade squamous intraepithelial lesion (HSIL)(n=6), and HPV16 positive cervical squamous cell carcinoma tissues(n=7).

2021-02-10 | GSE166466 | GEO

Human Papillomavirus (HPV) genomic integration, expression and E6/E7 splicing patterns in cervical cancer associated with HPV16 or HPV18 infection

Project description:Human papillomavirus (HPV) genome integration into the host genome, blocking E2 expression and leading to overexpression of E6 and E7 viral oncogenes, is considered a major step in cervical cancer development. In high-risk HPVs, E6 and E7 oncogenes are expressed as a bicistronic pre-mRNA, with alternative splicing producing the ultimate mRNAs required for E6 and E7 translation. Given the number of alternative donor and acceptor splicing sites, ten E6/E7 different alternative transcripts might be formed for HPV16 and three for HPV18, although only six isoforms have been previously reported for HPV16. In the present work, we employ high-throughput sequencing of invasive cervical cancer transcriptome (RNA-Seq) to characterize the expression of the HPV genome in 24 invasive cervical cancers associated with HPV16 and HPV18 single infections. Based on high-resolution transcriptional maps, we herein report three viral gene expression patterns which might be associated with the presence of the viral genome in episomal and/or integrated stages. Alternative mRNAs splicing isoforms coding for E6 and E7 oncoproteins were characterized and quantified, and two novel isoforms were identified. Three major isoforms (E6*I, E6*II, and E6+E7) were detected for HPV16 and two for HPV18 (E6*I and E6+E7). Minor transcript isoforms, including the novel ones, were very rare in some tumor samples or were not detected. Our data suggested that minor transcript isoforms of E6/E7 do not play a relevant role in cervical cancer.

2019-08-06 | GSE91065 | GEO

GENE EXPRESSION PROFILE REGULATED BY THE HPV16-E7 ONCOPROTEIN AND ESTRADIOL IN CERVICAL TISSUE

Project description:The HPV16-E7 oncoprotein and 17β-estradiol are import factors for the induction of premalignant lesions and cervical cancer. The study of these factors is crucial for a better understanding of cervical tumorigenesis. In this study, we performed a microarray analysis to obtain a global gene expression profile induced by both, HPV16-E7 and 17β-estradiol in cervical tissue of K14E7 transgenic mice. We found that 17β-estradiol is the main cause of the up-regulation of a large number of cellular genes involved in the immune response whereas E7 oncoprotein mainly affects the cellular metabolism. Our microarray data also shows some novel differentially expressed genes that were not previously reported in cervical cancer. The identification of these genes, regulated by E7 and 17β-estradiol, provides the basis for further studies on their role in cervical carcinogenesis.

2013-07-01 | GSE46890 | GEO

GENE EXPRESSION PROFILE REGULATED BY THE HPV16-E7 ONCOPROTEIN AND ESTRADIOL IN CERVICAL TISSUE

Project description:The HPV16-E7 oncoprotein and 17Î²-estradiol are import factors for the induction of premalignant lesions and cervical cancer. The study of these factors is crucial for a better understanding of cervical tumorigenesis. In this study, we performed a microarray analysis to obtain a global gene expression profile induced by both, HPV16-E7 and 17Î²-estradiol in cervical tissue of K14E7 transgenic mice. We found that 17Î²-estradiol is the main cause of the up-regulation of a large number of cellular genes involved in the immune response whereas E7 oncoprotein mainly affects the cellular metabolism. Our microarray data also shows some novel differentially expressed genes that were not previously reported in cervical cancer. The identification of these genes, regulated by E7 and 17Î²-estradiol, provides the basis for further studies on their role in cervical carcinogenesis. 15 Mouse Gene 1.0 ST Affymetrix microarrays were used to analyze gene expression of cervical tissue from K14E7 hemizygote and nontransgenic FvB control virgin female untreated and treated mice. Briefly, one-month virgin female transgenic and nontransgenic mice were implanted in the dorsal skin with continuous release pellets delivering 0.05 mg of17-Î² estradiol over 60 days. As control samples we used K14E7 and FvB untreated mice. For the microarray analysis we used triplicates for each group (3 treated K14E7 mice, 3 treated FvB mice, 3 untreated K14E7 mice, 3 untreated FvB mice).

2013-07-01 | E-GEOD-46890 | biostudies-arrayexpress

Depletion of HPV16 oncogenes induces autophagy and senescence in a cervical carcinogenesis model, irrespective of viral physical state

Project description:We utilised our in vitro model of cervical neoplastic progression, W12, to investigate the effect of HPV16 viral oncogene depletion on well-defined integrant- and episome- associated series. To target HPV16 viral oncogenes we used our previously published E7-targeting siRNA sequence that caused substantial depletion of both E7 and E6 in CaSki cells. We found all E7-siRNA treated W12 series underwent widespread autophagy and senescence, with up-regulation of an innate immune response.

2013-08-12 | E-MTAB-1331 | biostudies-arrayexpress

Impact of HPV16 E6 and E7 oncogenes together with Chlamydia trachomatis infection on proteome changes in immortalized oral keratinocytes

Project description:Certain types of Human papilloma viruses (HPV) are the etiological agents for cervical cancer. However, not all infections of high-risk HPVs will finally lead to cancer since most HPV infections are cleared without any consequences. Chlamydia trachomatis is the most prevalent sexual transmitted bacteria and is an obligatory intracellular pathogen exhibiting tropism in endocervical epithelial cells. Over the past decades, C. trachomatis is thought to be a potential co-factor for cervical cancer formation, but there are also studies that did not show such a correlation. To address this question in molecular terms, we stably expressed HPV16 E6 and E7 in spontaneously immortalized NOKs (normal oral keratinocytes) and performed SILAC (stable isotope labeling by amino acids in cell culture) with or without C. trachomatis infection to study the impact of HPV16 oncogene expression and C. trachomatis infection on host proteome changes.

2019-03-18 | PXD012186 | Pride

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