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Gene expression of cervical cells and immortalized keratinocytes transfected with whole genomes of HPV16 and HPV18

ABSTRACT: Human ectocervical and endocervical cells immortalized by HPV16 E6/E7 (designated as Ect and End, respectively) and normal human immortalized keratinocytes (NIKS), were transfected with whole genomes of HPV16 or HPV18, and were subsequently grown in standard monolayer culture until passage 2. Total RNAs were extracted and subjected to TORAY 3D-gene analysis service using the 3D-Gene Human Oligo chip 25K (TORAY, Tokyo, Japan).

ORGANISM(S): Homo sapiens

PROVIDER: GSE131076 | GEO | 2019/08/01

REPOSITORIES: GEO

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High risk HPV infection effect on expression profile mediated by tumor necrosis factor

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Gene expression of cervical cells and immortalized keratinocytes transfected with whole genomes of HPV16 and HPV18

Project description:Gene expression of cervical cells and immortalized keratinocytes transfected with whole genomes of HPV16 and HPV18

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High risk HPV infection effect on expression profile mediated by tumor necrosis factor

Project description:Previous studies have shown that normal and HPV immortalized keratinocytes are sensitive to TNF anti-proliferative effect. Conversely, HPV18-immortalized keratinocytes are resistant to the cytostatic effect mediated by this cytokine. In this study we have compared gene expression patterns in primary cultures of human foreskin epidermal keratinocytes (PHK or NHFK) and HPV16 (HF698) and HPV18(HF18Nco)-immortalized cell lines, and profile the transcriptional changes 3 and 60 hours after TNF treatment. Keywords: global expression profile, microarray, HPV, TNF In order to determine the effects of HPV infection and TNF treatment on global gene expression, were performed 2 independent experiment for each cell line, including the two periods of treatment with TNF. Furthermore, were performed 2 experiments for each control plate containing the non-treated cells.

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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.

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