Bladder dysfunction
Ontology highlight
ABSTRACT:
PROVIDER: PRJEB10955 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR669277.fastq.gz | Fastqsanger.gz | |||
| ERR669278.fastq.gz | Fastqsanger.gz | |||
| ERR669279.fastq.gz | Fastqsanger.gz | |||
| ERR669280.fastq.gz | Fastqsanger.gz | |||
| ERR669281.fastq.gz | Fastqsanger.gz |
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Project description:Neurogenic bladder (NB)-induced fibrosis is the major cause of irreversible bladder dysfunction, yet the underlying mechanisms remain undefined. Here, we performed single-cell RNA sequencing on bladder tissues collected from rats following bilateral pelvic nerve injury, and characterized the alterations in the bladder microenvironment post-injury.
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Project description:This study investigates the molecular changes in the bladder following spinal cord injury (SCI) in rats and the impact of inosine treatment using a multi-omics approach. We discovered the activation of PARP (Poly(ADP-ribose) polymerase) in response to SCI, a previously unrecognized phenomenon, and its attenuation with inosine treatment. SCI triggered significant DNA damage and oxidative stress pathways, whereas inosine treatment prevents DNA damage and inhibits PARP activation, offering a potential therapeutic avenue. The integrated analysis of transcriptomics and proteomics data revealed concordant regulation of multiple pathways following SCI, including EIF2 signaling and NRF2-mediated oxidative stress response, which are ameliorated by inosine treatment. These findings have relevance to human neurogenic bladder pathobiology. Pathway inhibition by inosine in the setting of SCI suggests its potential for neuroprotection in the bladder. Despite limitations, such as the focus on male rats and a lack of proteomics data from separated detrusor and mucosa, this study provides valuable insights into the molecular mechanisms underlying bladder dysfunction following SCI. It also suggests the repurposing of FDA-approved PARP inhibitors for the treatment of bladder dysfunction following spinal injury.
2025-07-14 | PXD046096 | Pride
Project description:Obstruction in any part between the outlet of the bladder and the external urethra is called partial Bladder outlet obstruction (pBOO), which is a common disease in urology, which may cause bladder dysfunction. We have comfirmed that human urine-derived stem cells (hUSCs) could improve the bladder function of pBOO rats in our previous study. We thus explored the role of miRNAs in pBOO rats before and after treatment of hUSCs, and revealed that they could serve as effective prevention and treatment therapeutic targets. Rat bladder tissues were used for miRNA sequencing. We identified 8 differentially expressed miRNAs in the pBOO rats before and after treatment of hUSCs.
2021-04-02 | GSE171293 | GEO
Project description:Colorectal cancer is the second most common cancer by the site in Europe and the third most common cancer in the USA with high morbidity and mortality. Survival after the treatment has improved over the past few decades as a result of early diagnosis, radiotherapy, and advances in surgical techniques such as abdominoperineal resection (APR), low anterior resection (LAR) and total mesorectal excision (TME). These innovative surgeries are the current standard treatment for the mid and the low rectal cancers which avoids the permanent colostomy. It is very difficult to find out the incidence of the bowel, bladder and sexual dysfunction of patients either because they are embarrassed or because they do not relate their symptoms to rectal cancer treatment. This article reports the incidence of the bowel, bladder and sexual dysfunction following surgery for rectal cancer from the National Academy of Medical Sciences, Bir Hospital, a tertiary level hospital.
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Project description:Neurogenic detrusor overactivity (NDO) is a frequent complication of spinal cord injury (SCI), often accompanied by profound structural and functional changes in the bladder. While inosine has previously been shown to improve bladder function in SCI models, its molecular effects on the bladder remain largely unexplored. In this study, we performed transcriptomic profiling of bladder tissues from SCI rats treated with inosine or vehicle. Bladder compartments were microdissected into detrusor and mucosa to capture compartment-specific changes. SCI induced widespread transcriptional alterations in both compartments, with inosine treatment partially restoring gene expression patterns toward those observed in non-injured controls. Unsupervised clustering and principal component analyses confirmed distinct transcriptional profiles associated with injury and treatment. Notably, inosine influenced a set of genes consistently altered by SCI, suggesting a protective or regulatory role at the molecular level. These findings reveal a compartment-specific transcriptomic response to spinal cord injury and provide insight into the mechanisms by which inosine may exert its therapeutic effects on the injured bladder.
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Project description:Bladder cancer (BCa) is one of the most common malignancy of the urinary tract. In order to improve the diagnosis, prevention and treatment of BCa, the details of molecular mechanisms underlying the tumorigenesis and development needs to be clarified. Results provide insight into molecular mechanisms underlying the mRNA and miRNA interactions in BCa. 3 human bladder cancer tissues and 3 normal bladder tissues were analyzed using microarray. The alteration of mRNA and miRNA expression between the 2 groups were detected.
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Project description:Background: MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression. Their abilyty to affect multiple gene pathways by targeting to various mRNAs makes them to an interesting class of regulators. The interplay between miRNA and mRNA has been proposed as an important process in cancer development and progression. In this study, we analyzed miRNA -mRNA interactions in bladder urothelial carcinoma. Methodology/Principal Findings: We have developed a new algorithm which is capable of identifying altered miRNA-mRNA regulation between tissues samples without preexisting stratification of groups. Microarray expression profiling of both miRNA and mRNA from the same sample were performed using a collective of 24 urothelial carcinoma and normal bladder tissue samples. Using our approach, normal and tumor tissue samples as well as different stages of tumor progression were successfully stratified. Also, we were able to analyzed individual miRNA-mRNA interactions from each patient, focusing on different miRNA families. Conclusions: Just recently, the need for tools that allow an integrative analysis of microRNA and mRNA expression data has been addressed. With this study, we provide an algorithm that considers the special nature of miRNA induced regulation and shows good specificities and sensitivities when applied to bladder cancer expression data. mRNA and microRNA expression data were analyzed together to identify bladder cancer specific micoRNA-mRNA interaction
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Project description:miRNA-seq on postnatal 0 day mouse bladder For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf
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Project description:In the development and progression of bladder cancer, there are many genetic changes. We established a SD rat orthotopic bladder cancer model through intravesical instillation of N-methyl-nitrosourea and pathologic diagnosis is bladder transtional cell carcinomal (BTCC). We used microarrays to analysis the gene expression changes among these rat bladder carcinoma, adjacent normal tissues and bladder tissues of normal rats. Three paired tumor tissues (Group A) and adjacent normal tissues (Group B) were obtained from 3 SD rats with BTCC, and 3 normal tissues (Group C) obtained from 3 normal SD rats. Affymetrix microarrays analyzed the gene expression changes among above 3 groups of tissues.
2016-01-12 | E-GEOD-76702 | biostudies-arrayexpress
Project description:Spinal cord injury (SCI) evokes profound dysfunction in hollow organs such as the urinary bladder and gut. Current treatments are limited by a lack of molecular data to inform novel therapeutic avenues. Previously, we showed systemic treatment with the neuroprotective agent inosine improved bladder function following SCI in rats. This RNA-seq dataset captures global transcriptomic changes in the rat bladder at multiple time points following spinal cord injury (SCI). Full-thickness bladder tissues were collected from male Sprague Dawley rats at 2, 8, and 16 weeks post-complete T8 spinal cord transection, alongside non-injured controls.
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