Vaginal Microbiota, Pap Smear, and SES
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ABSTRACT:
PROVIDER: PRJEB25778 | ENA |
REPOSITORIES: ENA
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Project description:There are marked socioeconomic disparities in pediatric asthma control. To identify the molecular origins of these disparities, we performed genome-wide expression profiling of monocytes and T-helper cells isolated from pediatric asthma patients of lower- and higher socioeconomic status (SES).
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Project description:<p>The focus of this study was to better understand the effects of cigarette smoking on the vaginal microbiome. There were two phases of the study, cross-sectional and longitudinal, conducted at the Center for Health Behavior Research at the University of Maryland School of Public Health. In the cross-sectional phase, 20 smokers and 20 non-smokers collected mid-vaginal swabs, measured their vaginal pH, prepared a vaginal smear on a slide for Nugent Gram stain analysis, and completed questionnaires about demographics, tobacco use, and reproductive and sexual health history. Smoking status was confirmed through self-report, carbon monoxide exhalation and saliva cotinine measures. Secretions from the mid-vaginal swabs were tested for presence/absence of HPV strains and GC-MS was used to quantify the levels of over 600 metabolites.</p> <p>In the longitudinal phase, 7 participants who were current smokers and motivated to quit smoking were recruited and followed for up to 12 weeks. On a daily basis, participants collected mid-vaginal swabs, measured their vaginal pH, and prepared a mid-vaginal smear on a slide for Nugent Gram stain analysis, and completed daily diaries on tobacco use and reproductive health. Carbon monoxide exhalation and saliva cotinine measures were collected at weekly clinical visits. In addition, participants had weekly behavioral counseling sessions about smoking cessation and used Nicoderm CQ patches to aid in quitting smoking. The self-collected vaginal swabs were used for DNA extractions,16s rRNA sequencing and measurement of metabolites in vaginal fluid.</p>
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Project description:The onset of menopause is accompanied by a dramatic increase in reported symptoms of vaginal dryness, soreness, irritation or itching, pain with intercourse and bleeding after intercourse. Collectively these affect 25-50% of women of post-menopausal age and significantly impact their quality of life. To examine how gene expression differs between these groups, surface vaginal epithelial cells were collected from postmenopausal women suffering from vaginal dryness and appropriate controls not suffering from dryness. Affymetrix GeneChip Human 1.0 ST microarrays were performed on RNA isolated from ten participants. Suitable RNA was extracted from ten participants which were classified into two groups, the dryness and control groups, based on diagnosis of dryness by a nurse during gynecoligical examination.
2011-11-12 | E-GEOD-26761 | biostudies-arrayexpress
Project description:The onset of menopause is accompanied by a dramatic increase in reported symptoms of vaginal dryness, soreness, irritation or itching, pain with intercourse and bleeding after intercourse. Collectively these affect 25-50% of women of post-menopausal age and significantly impact their quality of life. To examine how gene expression differs between these groups, surface vaginal epithelial cells were collected from postmenopausal women suffering from vaginal dryness and appropriate controls not suffering from dryness. Affymetrix GeneChip Human 1.0 ST microarrays were performed on RNA isolated from ten participants.
2011-11-12 | GSE26761 | 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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2014-03-01 | E-GEOD-44914 | biostudies-arrayexpress
Project description:Gene expression profiling was carried out on peripheral blood CD2+ leukocytes from 29 children with asthma. The primary research question is whether gene expression differs in individuals from high socioeconomic status environments vs low socioeconomic status environments. Experiment Overall Design: Gene expression profiling was carried out on peripheral blood CD2+ leukocytes from 29 children with asthma. The primary research question is whether gene expression differs in individuals from high socioeconomic status environments vs low socioeconomic status environments.
2009-06-01 | E-GEOD-7894 | biostudies-arrayexpress
Project description:During sexual transmission of HIV-1 from male to female partners, the vagina is the initial site of contact with HIV infected semen. The mechanism of HIV traversing the CD4 negative multi-layered stratified squamous epithelial barrier of the vagina to infect sub-epithelial susceptible immune cells, is hitherto unknown. HIV gp120 binds to several host proteins on vaginal epithelial cells. To gain an insight into the physiologic changes that may occur in vaginal epithelial cells in response to interactions with HIV gp120, and obtain an understanding of the molecular mechanisms by which HIV breaches the vaginal epithelium, a global snap shot of gene expression profiles in the vaginal epithelial cell line Vk2/E6E7, treated with HIV gp120 was determined. The vaginal epithelial cell line Vk2/E6E7 was treated with HIV gp120 (83nM) for 24 hr, and Agilent one colour, microarrays were performed.
2014-03-01 | GSE44914 | GEO