Transcriptomic profiling of vaginal tissues from a mouse model of pelvic organ prolapse
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ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE347412 | GEO | 2026/09/20
REPOSITORIES: GEO
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Project description:An appropriate model is urgently required for pathological mechanism investigation of pelvic organ prolapse and the development of new therapeutic strategies. It is generally thought that damage to the vagina and its supportive tissues due to vaginal birth, menopause, and so on can result in loss of vaginal support and prolapse of the pelvic organs. Currently, ovariectomy and simulated vaginal delivery in animal models are applied to mimic the status of menopause and induce vaginal injury, however, the complex biochemical and biomechanical changes induced by vaginal delivery and prolapse is difficultly achieved by these methods. The rhesus macaque shares many features similarly to women, such as pelvic floor anatomy and parturition, and makes an excellent experimental model for the study of prolapse. Besides, the rhesus macaque develops prolapse spontaneously. Thus, there has great value to investigate the changes of spontaneous prolapse and make them animal models for the study of prolapse. In this study, we will assess the histomorphology, biochemical property and biomechanical property of prolapsed vagina. And then, cell atlas of normal and prolapsed vagina will be constructed by single-cell transcriptome sequencing. We will reveal the cell type specific molecular mechanisms. This study will improve the understanding of spontaneous prolapse in the rhesus macaque and provide fundamental data for the application of spontaneous prolapse as animal models to study POP.
2024-12-31 | GSE206919 | GEO
Project description:Pelvic organ prolapse (POP) is associated with structural and molecular changes in the vaginal wall. Bulk RNA sequencing was performed on vaginal wall tissue samples collected from patients with POP and controls. Gene expression profiles were compared between the two groups, followed by differential expression and functional enrichment analyses. This study describes transcriptomic changes in human vaginal wall tissues associated with POP.
2026-09-22 | GSE347715 | GEO
Project description:Pelvic organ prolapse (POP) is a common multifactorial disease in a heterogeneous population of women. Due to this heterogeneity, the underlying molecular mechanisms contributing to the pathogenesis of POP are still unclear. We sought to identify dysregulated pathways by comparing gene expression profiles of prolapsed and non- prolapsed anterior vaginal wall tissue within the same patient. Biopsies were collected from 12 premenopausal women undergoing prolapse surgery (cystocele POP-Q stage ≥ 2). A full thickness anterior vaginal wall sample was taken from the POP site during anterior colporrhaphy. An additional sample was taken from the non-prolapsed apex of the anterior vaginal cuff. Micro-array analysis was performed using whole genome GE 4x44K microarrays. Beside a significance analysis of micro-array (SAM), also a visual cluster analysis was performed. 12 women with POP: 12 biopsies anterior vaginal wall (POP site) versus 12 biopies precervical anterior vaginal wall ( non POP site)
2015-07-31 | E-GEOD-53868 | biostudies-arrayexpress
Project description:Pelvic organ prolapse (POP) affects a large proportion of adult women. With the increase in global population ageing, the prevalence of POP is expected to increase in upcoming decades, which will impose a substantial medical burden. Therefore, suitable therapeutical target is important. However, due to the pathogenesis of POP is still unclear, it leads to the failure of POP repair. Herein, we identified changes in ncRNA, and mRNAs in the anterior vaginal wall and uterosacral ligament in patients with POP, providing new insights into the pathogenesis of POP and new targets for treatment.
2022-09-05 | GSE208264 | GEO
Project description:Introduction and Hypothesis: Identify processes contributing to pelvic organ prolapse (POP) by transcriptional profiling of pelvic connective tissue in conjunction with light microscopy. Methods: We performed a frequency matched case-control study of women undergoing hysterectomy. Total RNA, extracted from uterosacral and round ligament samples used to generate labeled cRNA, was hybridized to microarrays and analyzed for the expression of 32,878 genes. Significance Analysis of Microarrays, (Stanford University, CA), identified differentially expressed genes used for ontoanalysis, and quantitative PCR (qPCR) confirmed results. Light microscopy confirmed tissue type and assessed inflammatory infiltration. Results: The analysis of thirty-four arrays revealed 249 differentially expressed genes with fold changes larger than 1.5 fold and false discovery rates M-bM-^IM-$5.2%. Immunity and Defense was the most significant biological process differentially expressed in POP. Selected qPCR confirmed 4 genes. Light microscopy showed no inflammatory infiltrates. Conclusions: Genes enriched for Immunity and Defense contribute to POP independent of inflammatory infiltrates. Keywords: whole tissue (endopelvic fascia) type comparison This was a group matched case control study of 8 women with pelvic organ prolapse versus 9 non-prolapse controls, both undergoing hysterectomy for benign conditions. Two separate pelvic support tissues were collected from each patient. The uterosacral ligament and round ligament tissue was removed at the time of hysterectomy, RNA was extracted and ABI whole genome chips used to identify differences in expression profiles of individual samples. Various ethnic groups, age groups and menopausal status were included.
2008-09-19 | E-GEOD-12852 | biostudies-arrayexpress
Project description:Pelvic organ prolapse (POP) affects a large proportion of adult women. With the increase in global population ageing, the prevalence of POP is expected to increase in upcoming decades, which will impose a substantial medical burden. Therefore, suitable therapeutical target is important. However, due to the pathogenesis of POP is still unclear, it leads to the failure of POP repair. Herein, we identified changes in ncRNA, and mRNAs in the anterior vaginal wall and uterosacral ligament in patients with POP, providing new insights into the pathogenesis of POP and new targets for treatment.
2022-09-05 | GSE208261 | GEO
Project description:Pelvic organ prolapse (POP) is a common multifactorial disease in a heterogeneous population of women. Due to this heterogeneity, the underlying molecular mechanisms contributing to the pathogenesis of POP are still unclear. We sought to identify dysregulated pathways by comparing gene expression profiles of prolapsed and non- prolapsed anterior vaginal wall tissue within the same patient. Biopsies were collected from 12 premenopausal women undergoing prolapse surgery (cystocele POP-Q stage ≥ 2). A full thickness anterior vaginal wall sample was taken from the POP site during anterior colporrhaphy. An additional sample was taken from the non-prolapsed apex of the anterior vaginal cuff. Micro-array analysis was performed using whole genome GE 4x44K microarrays. Beside a significance analysis of micro-array (SAM), also a visual cluster analysis was performed.
2015-07-31 | GSE53868 | GEO
Project description:Anterior vaginal prolapse, as the most common form of POP, severely affect women’s physical and mental health. However, the cellular profiles of vaginal wall and molecular mechanism in pathological process of POP remain unclear. Here, we built the first single-cell transcriptomic atlas of prolapsed vaginal wall. We further revealed prolapse induced aberrant gene expression and transcriptional regulatory networks in cell-type specific manner in POP. Besides extracellular matrix dysregulation, dysfunction of immune cells and immune response were involved with prolapse occur. Computational prediction demonstrated that the abnormal cell-cell communication patterns present among fibroblasts, smooth muscle cells and macrophages in POP, with interplay in extracellular matrix remodeling and regulation of immune reaction. Taken together, our work provides the first comprehensive single-cell transcriptomic atlas for deciphering gene expression landscapes of heterogeneous cell types in prolapsed anterior vaginal wall, broadens our understanding of cell identities and cell-type-specific gene changes in POP and demonstrated the vital role of enhanced interplay between non-immune cells and immune cells in prolapsed vaginal wall.
2020-11-12 | GSE151188 | GEO
Project description:<p>The overall purpose of this University of Utah Pelvic Organ Prolapse Disorder Study was to identify and localize predisposition genes contributing to pelvic organ prolapse (POP). POP cases recruited for this study were identified by one of three methods: high-risk POP pedigree cases, POP sister pairs, and surgically-treated POP cases reporting a family history of POP. <b>High-risk POP pedigree cases</b> were identified using the Utah Population Database (UPDB), a genealogy database of residents in Utah that has been linked to diagnostic ICD9 and CPT codes in medical records at the University of Utah and Intermountain Healthcare. We identified families with a significant excess number of POP cases compared to matched population rates and targeted these individuals for recruitment as well as any other POP cases in the family. <b>POP sister pair cases</b> were identified at the University of Utah Urogyncology clinic for women who had undergone POP surgery and also self-reported one or more sisters who were also surgically treated for POP. POP affection status of all sisters was confirmed either by physical examination or by chart review. <b>Surgically treated-POP cases reporting a family history of POP</b> were identified at the University of Utah Urogyncology clinic by self-report of a family history of POP. Efforts were made to recruit other affected family members and confirm affection status. To obtain DNA, subjects provided either a blood specimen or saliva. Medical records were reviewed by a urogynecologist and diagnostic information for pelvic organ prolapse and stress and overactive bladder were obtained. Collected DNA was genotyped and analyzed. To maintain confidentiality of the familial data, genetic data from only one subject per family has been submitted to dbGaP.</p> <p>Use of the University of Utah Pelvic Organ Prolapse Disorder Study data is limited to investigators studying pelvic floor disorders. These pelvic floor disorders include pelvic organ prolapse, urinary and anal incontinence, and other conditions related to weakening or injury to the muscles and connective tissue in the pelvis as a result of pelvic surgery, pregnancy, or vaginal delivery of a child. These data will be used only for research purposes related to pelvic floor disorders. They will not be used to determine the individual identity of any person or their relationship to another person or for research on non-disease traits.</p>
| phs001439 | dbGaP
Project description:Anterior vaginal prolapse, as the most common form of POP, severely affect women’s physical and mental health. However, the cellular profiles of vaginal wall and molecular mechanism in pathological process of POP remain unclear. Here, we built the first single-cell transcriptomic atlas of prolapsed vaginal wall. We further revealed prolapse induced aberrant gene expression and transcriptional regulatory networks in cell-type specific manner in POP. Besides extracellular matrix dysregulation, dysfunction of immune cells and immune response were involved with prolapse occur. Computational prediction demonstrated that the abnormal cell-cell communication patterns present among fibroblasts, smooth muscle cells and macrophages in POP, with interplay in extracellular matrix remodeling and regulation of immune reaction. Taken together, our work provides the first comprehensive single-cell transcriptomic atlas for deciphering gene expression landscapes of heterogeneous cell types in prolapsed anterior vaginal wall, broadens our understanding of cell identities and cell-type-specific gene changes in POP and demonstrated the vital role of enhanced interplay between non-immune cells and immune cells in prolapsed vaginal wall.
2020-11-12 | GSE151192 | GEO