Transcriptome analyses for embryonic mouse urethral bilateral region.
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA771553 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR16352421_1.fastq.gz | Fastqsanger.gz | |||
| SRR16352421_2.fastq.gz | Fastqsanger.gz | |||
| SRR16352422_1.fastq.gz | Fastqsanger.gz | |||
| SRR16352422_2.fastq.gz | Fastqsanger.gz | |||
| SRR16352423_1.fastq.gz | Fastqsanger.gz |
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Project description:Our study presents the first transcriptomic analyses for the urethral bilateral region. Our data shows the sexually dimorphic genes and gene expression behavior by MafB.
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Project description:Lower urinary tract malformations are among the most common congenital anomalies in humans. The urethral plate epithelium is an endodermal signaling region that plays an essential role in external genital development; however, little is known about the molecular identity of this cell population or the genes that regulate its activity. We aim to characterize differences in gene expression between the urethral plate epithelium and surrounding mouse genital tubercles during a crucial developmental period.
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Project description:Acute urethral injuries caused by urethral endoscopy and other mechanical injuries are the main reasons for secondary infection and late urethral stricture. However, there are no studies to explore the transcriptomic changes in urethral injury and the molecular mechanism of urethral injury, which is important for the treatment and cure of urethral injury. Therefore, we used RNA-seq and sRNA-seq profiles from normal and injured urethral tissues to identify and characterize differentially expressed mRNAs and miRNAs. In total, we found 166 differentially expressed mRNAs, of which 69 were upregulated, and 97 were downregulated in injured urethral tissues. The differentially expressed mRNAs were mainly involved in the positive regulation of epithelial cell differentiation, focal adhesion, cell adhesion molecules, protein activation cascade, complement activation, complement and coagulation cascades, and chemokine-mediated signaling pathway. Additionally, we found six upregulated and four downregulated miRNAs, respectively, in the injured urethral tissues. Notably, their target genes were involved in the vascular endothelial growth factor receptor 2 binding, PI3k-Akt signaling pathway, and Notch signaling pathway. In summary, our results suggest that the cell damage response induced by mechanical injury activates the pathological immune response in a variety of ways in injured urethral tissues.
2022-05-31 | GSE182642 | GEO
Project description:Acute urethral injuries caused by urethral endoscopy and other mechanical injuries are the main reasons for secondary infection and late urethral stricture. However, there are no studies to explore the transcriptomic changes in urethral injury and the molecular mechanism of urethral injury, which is important for the treatment and cure of urethral injury. Therefore, we used RNA-seq and sRNA-seq profiles from normal and injured urethral tissues to identify and characterize differentially expressed mRNAs and miRNAs. In total, we found 166 differentially expressed mRNAs, of which 69 were upregulated, and 97 were downregulated in injured urethral tissues. The differentially expressed mRNAs were mainly involved in the positive regulation of epithelial cell differentiation, focal adhesion, cell adhesion molecules, protein activation cascade, complement activation, complement and coagulation cascades, and chemokine-mediated signaling pathway. Additionally, we found six upregulated and four downregulated miRNAs, respectively, in the injured urethral tissues. Notably, their target genes were involved in the vascular endothelial growth factor receptor 2 binding, PI3k-Akt signaling pathway, and Notch signaling pathway. In summary, our results suggest that the cell damage response induced by mechanical injury activates the pathological immune response in a variety of ways in injured urethral tissues.
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Project description:Background: Urethral stricture is related to scar tissue fibrosis, but its pathogenesis is still unclear. This study aims to explore the mechanism of circular RNA (circRNA) in the occurrence and development of urethral stricture. Methods: CircRNA microarray was employed to analyze circRNA expression profiles between human urethral scar tissue and normal urethral tissue. The first nine circRNA differentially expressed were selected for RT-qPCR detection. Urethral scar fibroblasts were isolated from human urethral scar tissue and cultured in vitro. The cells were transfected with si-circ_0047339, LV-circ_0047339, and miR-4691-5p mimic and their corresponding negative controls. Related gene and protein expression was measured by RT-qPCR, Western Blot and immunofluorescence staining, and the cell function was detected by CCK-8 and EDU assay. The targeting relationship between miR-4691-5p and circ_0047339 or TSP-1 was analyzed by dual-luciferase reporter assay. Results: The results of circRNA microarray showed that there were 268 differential genes between urethral scar tissue and normal urethral tissue (circRNA expression difference multiple ≥2 and p value≤0.05). The enrichment analysis of KEGG (Kyoto encyclopedia of genes and genomes) showed that these circRNAs were significantly correlated with ECM-receptor interaction. The first nine differentially expressed circRNA were selected to predict the circRNA-miRNA network. RT-qPCR results showed that circ_0047339 was upregulated considerably in urethral scar tissue. After silencing circ_0047339, the proliferation of urethral scar cells decreased significantly, and the expression of collagen 1 (COL-1) and α-smooth muscle actin (α-SMA) also reduced. Circ_0047339 as a competing endogenous RNA (ceRNA) could increase the expression of TSP-1 by competitively binding miR-4691-5p. In addition, miR-4691-5p mimic transfection could inhibit the proliferation of urethral scar fibroblasts and the presentation of thrombospondin-1 (TSP-1), α-SMA and COL-1, while circ_0047339 overexpression eliminated this inhibition. Conclusion: Our results showed that the dysfunctional circ_0047339 might promote the growth and fibrosis of urethral scar fibroblasts through the ceRNA mechanism, thus promoting the development of urethral stricture via miR-4691-5p/TSP-1 axis.
2022-07-30 | GSE209937 | GEO
Project description:Background: Vaginal birth causes injury to the pelvic floor and may lead to urinary incontinence. Cell therapy has been proposed to assist in functional recovery. Objective: To assess if intra-arterial injection of mesoangioblasts (MABs) or Vascular Endothelial Growth Factor (VEGF)-overexpressed MABs, improves urethral and vaginal function recovery after simulated vaginal delivery (SVD). Results: All stem-cell injected rats had external urethral sphincteric and vaginal function recovery within 14d, as compared to half of controls. Functional recovery was paralleled by improved muscle regeneration and microvascularization. Recovery was not different between autologous and allogenic MABs. MABsallo-VEGF accelerated functional recovery and increased GAP-43 expression at 7d. We detected early on in the recovery major transcriptional changes in both MABsallo and MABsallo-VEGF. MABSallo upregulated transcripts that encode proteins involved in myogenesis and dendrite development, and downregulated pro-inflammatory processes MABsallo-VEGF upregulated transcripts that encode proteins involved neuron and dendrite development and downregulates genes involved in hypoxia and oxidative stress. 7d after injury, Later MABsallo-VEGF showed a decrease in oxidative and inflammatory response compared to MABSallo treated urethras. These pathways are also downregulated in animals that have recovered at 7d, compared to non-recovered animals. Conclusion: Intra-arterial injection of MABsallo-VEGF enhances neuroregeneration and accelerates functional urethral and vaginal recovery after simulated vaginal delivery. Injection of stem cells induces faster recovery of urethral and vaginal function; cells overexpressing a factor increasing blood vessel formation, were even more effective.
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Project description:Interventions: Early group: The urethral catheter is removed on postoperative day 2 or 3, before removing the epidural anesthesia catheter.
Late group: Urethral catheter removed after 2-24 hours of epidural catheter removal
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