Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA232462 | ENA |
REPOSITORIES: ENA
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Project description:The overexpression of Six1, a member of the Six family of homeodomain transcription factors, has been found in various human cancers, and is associated with tumor progression and metastasis. We previously determined that the expression of Six1 mRNA increased during in vitro progression of human papillomavirus type 16 (HPV16)-immortalized human keratinocytes (HKc/HPV16) toward a differentiation-resistant (HKc/DR) phenotype. However, if Six1 promotes HPV16-mediated transformation or not remains unknown. HKc/DR were transfected with a Six1 or control vector and RNA isolated from these cells were used in an Agilent two-color gene expression profiling experiment. The goal was to determine the effects of Six1 on global gene expression. Two-condition experiment, Six1 vs. Control HKc/DR cells. Biological replicates: 4 Six1-transfected replicates and 4 control-transfected replicates.
2013-12-24 | E-GEOD-53589 | biostudies-arrayexpress
Project description:The overexpression of Six1, a member of the Six family of homeodomain transcription factors, has been found in various human cancers, and is associated with tumor progression and metastasis. We previously determined that the expression of Six1 mRNA increased during in vitro progression of human papillomavirus type 16 (HPV16)-immortalized human keratinocytes (HKc/HPV16) toward a differentiation-resistant (HKc/DR) phenotype. However, if Six1 promotes HPV16-mediated transformation or not remains unknown. HKc/DR were transfected with a Six1 or control vector and RNA isolated from these cells were used in an Agilent two-color gene expression profiling experiment. The goal was to determine the effects of Six1 on global gene expression.
2013-12-24 | GSE53589 | GEO
Project description:The homeodomain transcription factor SIX1 plays a critical role in embryogenesis, is not expressed in normal adult tissue, but is expressed in many malignancies, including cervical cancer. SIX1 drives the progression of HPV16-immortalized human keratinocytes (HKc/HPV16) toward malignancy: HKc/HPV16 express high levels of SIX1 mRNA and protein; overexpression of SIX1 in HKc/HPV16 produces pre-malignant, differentiation-resistant lines (HKc/DR); SIX1 overexpression in HKc/DR induces tumorigenicity. In this paper, we explore the consequences of inhibition of SIX1 expression in premalignant HKc/DR. Only partial inhibition of SIX1 expression could be obtained in HKc/DR by RNA interference. Decreased SIX1 expression (up to 80%) in HKc/DR resulted in slower proliferation, decreased HPV16-E6/E7 mRNA levels, and increased p53 protein levels. Gene expression changes induced in HKc/DR by anti-SIX1 shRNA were indicative of mesenchymal-epithelial transition (EMT) and changes in TGF-beta signaling. We conclude that HPV16-transformed cells depend on SIX1 for survival, continuous HPV16 E6/E7 gene expression and EMT.
2019-08-20 | GSE126926 | GEO
Project description: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).
2019-08-01 | GSE131076 | GEO
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
2007-08-25 | GSE4524 | GEO
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.
2007-08-25 | E-GEOD-4524 | biostudies-arrayexpress
Project description:A549 Human lung cell : Control vs transfected with E6E7 HPV16
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Project description:OKF6/Tert2 Human oral cells : Control vs transfected with E6E7 HPV16
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Project description:Gene expression profiling of immortalized human mesenchymal stem cells with hTERT/E6/E7 transfected MSCs. hTERT may change gene expression in MSCs. Goal was to determine the gene expressions of immortalized MSCs.
2010-09-25 | GSE24338 | GEO
Project description:Gene methylation profiling of immortalized human mesenchymal stem cells comparing HPV E6/E7-transfected MSCs cells with human telomerase reverse transcriptase (hTERT)- and HPV E6/E7-transfected MSCs. hTERT may increase gene methylation in MSCs. Goal was to determine the effects of different transfected genes on global gene methylation in MSCs. Two-condition experiment, KP MSCs vs. 3A6 MSCs.
2011-08-24 | E-GEOD-23936 | biostudies-arrayexpress