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Time course for bladder UCC development in UPII-SV40Tag mice

ABSTRACT: We have identified genes that are differentially expressed between the bladders of UPII-SV40Tag mice and their age-matched wild-type littermates at 3, 6, 20, and 30 weeks of age. These are ages that correspond to premalignant, carcinoma in situ, and early-stage and later stage invasive UCC, respectively Analysis of the microarray data sets has revealed ∼1,900 unique genes differentially expressed (≥3-fold difference at one or more time points) between wild-type and UPII-SV40Tag urothelium during the time course of tumor development. RNA from the urothelium of duplicate UPII-SV40Tag hemizygous and age-matched wild type littermate mice was isolated at 3, 6, 20, and 30 weeks of age and gene expression profiles were obtained.

ORGANISM(S): Mus musculus

SUBMITTER: John Clifford

PROVIDER: E-GEOD-23845 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Identification of genes correlated with early-stage bladder cancer progression.

Stone Randolph R Sabichi Anita L AL Gill Jennifer J Lee I-Ling IL Adegboyega Patrick P Dai Michael S MS Loganantharaj Raja R Trutschl Marjan M Cvek Urska U Clifford John L JL

Cancer prevention research (Philadelphia, Pa.) 20100525 6

Transitional cell carcinoma (TCC) of the bladder ranks fourth in incidence of all cancers in the developed world, yet the mechanisms of its origin and progression remain poorly understood. There are also few useful diagnostic or prognostic biomarkers for this disease. We have combined a transgenic mouse model for invasive bladder cancer (UPII-SV40Tag mice) with DNA microarray technology to determine molecular mechanisms involved in early TCC development and to identify new biomarkers for detecti ...[more]

PMID: 20501863

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Time course for bladder UCC development in UPII-SV40Tag mice

Project description:We have identified genes that are differentially expressed between the bladders of UPII-SV40Tag mice and their age-matched wild-type littermates at 3, 6, 20, and 30 weeks of age. These are ages that correspond to premalignant, carcinoma in situ, and early-stage and later stage invasive UCC, respectively Analysis of the microarray data sets has revealed ∼1,900 unique genes differentially expressed (≥3-fold difference at one or more time points) between wild-type and UPII-SV40Tag urothelium during the time course of tumor development.

2010-08-28 | GSE23845 | GEO

Kruppel-like factor 5 is Required for Urothelial Maturation

Project description:Kruppel-like transcription factor 5 (Klf5) is expressed during late embryogenesis in the forming murine bladder urothelium. Targeted disruption of the Klf5flox alleles by the ShhGfpCre transgene resulted in failure of the bladder urothelium to mature accompanied by hydronephrosis, hydroureter, and vesicoureteric reflux in all E18.5 fetuses. The bladder urothelium did not stratify nor did it express terminal differentiation markers characteristic of basal, intermediate, and umbrella cells including keratins 20, 14, and 5, and uroplakins. At E18.5, an ectopic alpha smooth muscle actin positive layer of cells was identified subjacent to the undifferentiated Klf5-deficient urothelium. The effects of Klf5 deficiency were unique to the urothelium since maturation of the epithelium comprising the bladder neck and urethra were unaffected by the lack of KLF5. mRNA microarray analysis of whole E14.5 control and Klf5 deficient bladders identified Ppar? and Grhl3 as putative downstream intermediary transcription factors that regulate urothelial maturation. Transient transfection assays demonstrated that KLF5 regulated expression of the mGrhl3 promoter. These observations show that alterations in maturation of the bladder urothelium alone are sufficient to induce bladder dysfunction leading to prenatal hydronephrosis. Total RNA from E14.5 whole bladders isolated from Klf5D/D and Klf5+/+ShhGfpCre+ embryos (n=3 samples/genotype, each sample a pool of two bladders) was isolated using the Qiagen MicroRNA Kit. The cDNA was then hybridized according to the manufacturer’s protocol to the Affymetrix Mouse Gene 1.0 ST Array

2011-08-01 | E-GEOD-27014 | biostudies-arrayexpress

Epigenome profiling of repressive histone modifications, DNA methylation and gene expression in normal and malignant urothelial cells

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Expression analysis of human ex vivo cultivated urothelial carcinoma samples transduced with a trivalent adenoviral vector (Im02) for activation of the immune tumor microenvironment.

Project description:The trivalent adenoviral vector Im02 encodes the cDNAs for human 4-1BBL, IL-12 and IL-2. This vector was designed to change the immune tumor microenvironment. In this study we investigated the immune stimulating effect of Im02 on human primary urothelial cancer specimens or normal urothelium by microarray RNA expression analysis. The tissues were transduced with Im02 or an adenoviral vector without expression cassette and were further cultivated for six days. Samples without transduction and cultivation were analysed to determine the status of the microenvironment.

2021-01-01 | E-MTAB-7623 | biostudies-arrayexpress

RNAseq of Quinoa salt bladders vs. leaves

Project description:Chenopodium quinoa, a pseudo-cereal and facultative halophyte, is a species of great economic potential. When exposed to saline soil, this salt-tolerant crop takes up sodium and chloride ions and sequesters large NaCl quantities in epidermal bladders cells (EBC). We have analyzed the Quinoa EBC transcriptome by RNA sequencing and elucidated the molecular identity and function of key ion transporters. Thereby we analyzed transcripts differentially expressed between EBCs and total leaves under control conditions.

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Epigenome profiling of repressive histone modifications, DNA methylation and gene expression in normal and malignant urothelial cells

Project description:To gain a more depth knowledge of repressive epigenetic gene regulation in UCC, we have profiled H3K9m3 and H3K27m3 in normal and malignant urothelial cells. We matched these profiles to those 5-methylcytosine and gene expression. We hypothesized that differences represent pro-carcinogenic events within the urothelium. We identified a panel of genes with cancer specific epigenetic mediated aberrant expression. Two repressive histone modifications (H3K9m3 and H3K27m3) , cytosine methylation and gene expression were compared between normal human urothelial cell line (NHU) and malignant urothelial cells (EJ and RT112).

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Rat-bladder-OAB - Proteomic analysis of urothelium of rats with detrusor overactivity induced by bladder outlet obstruction

Project description:Overactive bladder (OAB) syndrome is a condition that has four symptoms: urgency, urinary frequency, nocturia, and urge incontinence and negatively affects a patient’s life. Recently, it is considered that the urinary bladder urothelium is closely linked to pathogenesis of OAB. However, the mechanisms of pathogenesis of OAB at the molecular level remain poorly understood, mainly as a result of lack of modern molecular analysis. The goal of this study is to identify a potential target protein that could act as a predictive factor for effective diagnosis and aid in the development of therapeutic strategies for the treatment of OAB syndrome. We produced OAB in a rat model and performed the first proteomic analysis on the mucosal layer (urothelium) of the bladders of normal and OAB rats.

2018-02-09 | PXD007571 | Pride

Mus musculus

Project description:Time course for bladder UCC development in UPII-SV40Tag mice

| PRJNA130663 | ENA

Gene activity induced by denervation in the rat urinary bladder [mRNA]

Project description:Bilateral freezing of the pelvic ganglia in female rats were performed to denervate the urinary bladder. Sham operated rats were used as controls. The rats were sacrificed 10 days after surgery. The urinary bladders (including the urothelium) were frozen and used for RNA extraction.

2018-03-10 | GSE104538 | GEO

Gene activity induced by denervation in the rat urinary bladder [miRNA]

2018-03-10 | GSE104539 | GEO