The community of bacteria that colonize the urinary tract, the urinary microbiome, is hypothesized to influence a wide variety of urinary tract conditions. Older adults who reside in nursing homes are frequently diagnosed and treated for urinary tract conditions such as urinary tract infection. We investigated the urinary microbiome of older adults residing in a nursing home to determine if there are features of the urinary microbiome that are associated with specific conditions and exposure in this population. We were also interested in the stability of urinary microbiome over time and in similarities between the urinary and gastrointestinal microbiome. Urine samples were prospectively collected over a period of 10 months from a cohort of 26 older adults (aged >65 years) residing in a single nursing home located in Central Massachusetts. Serial samples were obtained from 6 individuals over 10 months and 5 participants were concurrently enrolled in a study of the gastrointestinal microbiome. Information collected on participants included demographics, medical history, duration of residence in the nursing home, frailty, dementia symptoms, urinary symptoms, antibiotic treatment, urinary catheterization, and hospitalizations over a 10-month period. Clean catch, midstream urine samples were collected and stored at -80°C. DNA was extracted and 16S rRNA gene sequencing was performed. The length of stay in the nursing facility and the Clinical Frailty Scale correlated with significant changes in microbiome composition. An increase in the relative abundance of a putative urinary pathogen, Aerococcus urinae, was the largest factor influencing change that occurred over the duration of residence.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9653004 | PMC |
| http://dx.doi.org/10.1093/gerona/glab345 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Feline urethral obstruction alters the urinary microbiota and comparison to oral, preputial, and rectal microbiotas.
Am J Vet Res
January 2025
Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, Columbia, MO.
Objective: To document differences in the microbiota of healthy cats versus cats with urethral obstruction (UO); compare the urinary microbiota with the oral, preputial, and rectal microbiota; and demonstrate that 16S rRNA gene sequencing will reveal rich and diverse urinary microbiota.
Methods: 15 client-owned cats with UO and 15 age-matched healthy cats were included from July 2020 through April 2021. Exclusion criteria were evidence of urinary tract infection, urolithiasis, antimicrobial administration, urinary catheterization in the past 30 days, or a comorbidity.
Diet and the microbiome as mediators of prostate cancer risk, progression, and therapy response.
Urol Oncol
January 2025
Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD; Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD; Department of Urology, Johns Hopkins University School of Medicine, Baltimore, MD. Electronic address:
Complex relationships between the human microbiome and cancer are increasingly recognized for cancer sites that harbor commensal microbial communities such as the gut, genitourinary tract, and skin. For organ sites that likely do not contain commensal microbiota, there is still a substantial capacity for the human-associated microbiota to influence disease etiology across the cancer spectrum. We propose such a relationship for prostate cancer, the most commonly diagnosed cancer in males in the United States.
View Article and Find Full Text PDFMicrobiota analysis of perimenopausal women experiencing recurrent vaginitis in conjunction with urinary tract infection.
BMC Microbiol
January 2025
Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, 200237, China.
Background: Recurrent vaginitis in conjunction with urinary tract infection (RV/UTI) in perimenopausal women is a common clinical condition that impacts both doctors and patients. Its pathogenesis is not completely known, but the urogenital microbiota is thought to be involved. We compared the urogenital and gut microbiotas of perimenopausal women experiencing RV/UTI with those of age-matched controls to provide a new microbiological perspective and scheme for solving clinical problems.
View Article and Find Full Text PDFTumor-colonizing Lachnoclostridium-mediated chemokine expression enhances the immune infiltration of bladder urothelial carcinoma.
Cancer Immunol Immunother
January 2025
Geneis Beijing Co., Ltd, Beijing, 100102, China.
Limited research into the tumor immune microenvironment (TIME) for bladder urothelial carcinoma (BUC), particularly the neglect of the intratumoral microbiota, has hindered the development of immunotherapies targeting BUC. Here, we collect 401 patients with BUC with host transcriptome samples and matched tumor microbiome samples from The Cancer Genome Atlas database. Besides, two independent BUC cohorts receiving immunotherapy were obtained.
View Article and Find Full Text PDFSilver-Coated Foley Catheters to Reduce UTIs: A Randomized Clinical Trial.
Urogynecology (Phila)
January 2025
From the Division of Urogynecology and Reconstructive Pelvic Surgery, TriHealth, Cincinnati, OH.
Article Synopsis
- This study challenges the effectiveness of silver-coated catheters in preventing urinary tract infections (UTIs) after pelvic floor surgery (PFS).
- The aim was to compare the incidence of UTIs in women using silver-coated versus standard silicone catheters following surgery for urinary retention.
- Results showed no significant difference in UTI rates between the two groups, with similar demographics and no adverse reactions noted.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!