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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Massively parallel single-cell RNA-sequencing of K14E7 transgenic and wildtype C57BL/6 mice

ABSTRACT: We report scRNA-seq data captured from 9,410 cells obtained from the skin of K14E7 transgenic and wildtype C57/BL6 mice. The K14E7 mouse model harbors the HPV16 E7 oncogene driven from a Keratin 14 promoter for keratinocyte-specific expression. We used scRNA-seq to detect and measure E7 transcription with unprecedented accuracy and resolution. With these data, we uncovered transcriptional differences between the individual cells; demonstrated that increased HPV16 E7 copy number is associated with increased expression of E7-induced genes; and showed that E7 expression is predominantly associated with basal keratinocytes.

INSTRUMENT(S): NextSeq 500

ORGANISM(S): Mus musculus

SUBMITTER: Ian Frazer

PROVIDER: E-MTAB-6429 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Detection of HPV E7 Transcription at Single-Cell Resolution in Epidermis.

Lukowski Samuel W SW Tuong Zewen K ZK Noske Katharina K Senabouth Anne A Nguyen Quan H QH Andersen Stacey B SB Soyer H Peter HP Frazer Ian H IH Powell Joseph E JE

The Journal of investigative dermatology 20180630 12

Persistent human papillomavirus (HPV) infection is responsible for at least 5% of human malignancies. Most HPV-associated cancers are initiated by the HPV16 genotype, as confirmed by detection of integrated HPV DNA in cells of oral and anogenital epithelial cancers. However, single-cell RNA sequencing may enable prediction of HPV involvement in carcinogenesis at other sites. We conducted single-cell RNA sequencing on keratinocytes from a mouse transgenic for the E7 gene of HPV16 and showed sensi ...[more]

PMID: 29964033

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scRNA-seq of CD45+ cells taken from the ear epidermis from K14E7 transgenic and wildtype C57/BL6 mice

Project description:Langerhans cells (LC) in skin help initiate the immune response to locally presented antigens. We performed high-resolution single-cell RNA-sequencing (scRNAseq) analysis for antigen presenting cells including LC in normal mouse skin, and in mouse skin expressing the human papillomavirus (HPV) 16 E7 oncogene. Ear skin was collected from normal and trangenic mice. Dissociated CD45+ cells were processed for scRNA-seq using the 10X Genomics Chromium 3' gene expression kit (v2).

2021-10-15 | E-MTAB-8199 | biostudies-arrayexpress

Nuclear Lactate Dehydrogenase A Senses ROS to Produce α-Hydroxybutyrate for HPV-Induced Cervical Tumor Growth

Project description:It is well known that high-risk human papilloma virus (HR-HPV) infection is strongly associated with cervical cancer and E7 was identified as one of the key initiators in HPV-mediated carcinogenesis. Here we show that lactate dehydrogenase A (LDHA) preferably locates in the nucleus in HPV16-positive cervical tumors due to E7-induced intracellular reactive oxygen species (ROS) accumulation. Surprisingly, nuclear LDHA gains a non-canonical enzyme activity to produce α-hydroxybutyrate and triggers DOT1L (disruptor of telomeric silencing 1-like)-mediated histone H3K79 hypermethylation, resulting in the activation of antioxidant responses and Wnt signaling pathway. Furthermore, HPV16 E7 knocking-out reduces LDHA nuclear translocation and H3K79 tri-methylation in K14-HPV16 transgenic mouse model. HPV16 E7 level is significantly positively correlated with nuclear LDHA and H3K79 tri-methylation in cervical cancer. Collectively, our findings uncover a non-canonical enzyme activity of nuclear LDHA to epigenetically control cellular redox balance and cell proliferation facilitating HPV-induced cervical cancer development.

2018-09-24 | PXD011058 | Pride

MicroRNA expression profile in human foreskin keratinocytes (HFKs) transduced with retroviral vectors carrying E6 and E7 genes of either HPV6 or HPV16 and with the LXSN empty vector

Project description:Cervical cancer is a leading cause of cancer-related death in women worldwide. Nearly all cases of cervical cancer are attributed to infection with human papillomavirus (HPV), mainly high-risk type HPV16 and HPV18. Two viral genes, E6 and E7, play an important role in viral life cycle, since they delay keratinocyte differentiation and stimulate cell cycle progression, allowing the virus to exploit host DNA replication machinery to replicate its genome. Some of the oncogenic properties of E6 and E7 are mediated by host microRNAs (miRNAs) involved in the control of cell proliferation, senescence, and apoptosis. In order to identify genome-wide changes in miRNA expression profile, miRNA microarray analysis was performed on HFKs transduced with retroviral vectors carrying E6 and E7 genes of either HPV6 or HPV16 and with the LXSN empty vector. This dataset was used to identify and to further investigate the role of miR-146a-5p in cervical cancer.

2018-01-16 | E-MTAB-6360 | biostudies-arrayexpress

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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2017-01-17 | GSE92496 | GEO

Expression signatures and cytogenetic aberrations in HPV16 E6, E7 and E6/E7-positive immortalized human epithelial cells

Project description:Identification of genetic/cytogenetic alterations and differentially expressed cellular genes in HPV16 E6, E7 and E6/E7 positive human foreskin keratinocytes Keywords: ordered

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

Project description: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.

2019-02-28 | GSE121906 | GEO

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

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