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Urinary microbiome

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https://www.readbyqxmd.com/read/28669514/identification-of-urine-metabolites-associated-with-5-year-changes-in-biomarkers-of-glucose-homoeostasis
#1
N Friedrich, T Skaaby, M Pietzner, K Budde, B H Thuesen, M Nauck, A Linneberg
AIM: Metabolomics provides information on pathogenetic mechanisms and targets for interventions, and may improve risk stratification. During the last decade, metabolomics studies were used to gain deeper insight into the pathogenesis of diabetes mellitus. However, longitudinal metabolomics studies of possible subclinical states of disturbed glucose metabolism are limited. Therefore, the aim of this study was to analyze the associations between baseline urinary metabolites and 5-year changes in continuous markers of glucose homoeostasis, including fasting glucose, HbA1c and homoeostasis model assessment of insulin resistance (HOMA-IR) index values...
June 29, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28628622/urinary-catheter-associated-microbiota-change-in-accordance-with-treatment-and-infection-status
#2
Laetitia Bossa, Kimberly Kline, Diane McDougald, Bonsan Bonne Lee, Scott A Rice
The use of long-term catheterisation to manage insensate bladders, often associated with spinal cord injury (SCI), increases the risk of microbial colonisation and infection of the urinary tract. Urinary tract infection (UTI) is typically diagnosed and treated based on the culturing of organisms from the urine, although this approach overlooks low titer, slow growing and non-traditional pathogens. Here, we present an investigation of the urinary tract microbiome in catheterised SCI individuals, using T-RFLP and metagenomic sequencing of the microbial community...
2017: PloS One
https://www.readbyqxmd.com/read/28618237/effect-of-sweetened-dried-cranberry-consumption-on-urinary-proteome-and-fecal-microbiome-in-healthy-human-subjects
#3
Nell Bekiares, Christian G Krueger, Jennifer J Meudt, Dhanansayan Shanmuganayagam, Jess D Reed
The relationship among diet, human health, and disease is an area of growing interest in biomarker research. Previous studies suggest that the consumption of cranberries (Vaccinium macrocarpon) could beneficially influence urinary and digestive health. The present study sought to determine if daily consumption of sweetened dried cranberries (SDC) changes the urinary proteome and fecal microbiome, as determined in a prospective sample of 10 healthy individuals. Baseline urine and fecal samples were collected from the subjects in the fasted (8-12 h) state...
June 15, 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28545071/characterization-of-the-urinary-microbiome-in-healthy-dogs
#4
Erin N Burton, Leah A Cohn, Carol N Reinero, Hans Rindt, Stephen G Moore, Aaron C Ericsson
The urinary bladder in healthy dogs has dogmatically been considered free of bacteria. This study used culture independent techniques to characterize the healthy canine urinary microbiota. Urine samples collected by antepubic cystocentesis from dogs without urinary infection were used for DNA extraction. Genital tract and rectal samples were collected simultaneously from the same dogs. The V4 hypervariable region of the 16S rRNA bacterial gene was amplified and compared against Greengenes database for OTU assignment and relative abundance for urine, genital, and rectal samples...
2017: PloS One
https://www.readbyqxmd.com/read/28542707/-urinary-tract-infection-requiem-for-a-heavyweight
#5
Thomas E Finucane
"Urinary tract infection" ("UTI") is an ambiguous, expansive, overused diagnosis that can lead to marked, harmful antibiotic overtreatment. "Significant bacteriuria," central to most definitions of "UTI," has little significance in identifying individuals who will benefit from treatment. "Urinary symptoms" are similarly uninformative. Neither criterion is well defined. Bacteriuria and symptoms remit and recur spontaneously. Treatment is standard for acute uncomplicated cystitis and common for asymptomatic bacteriuria, but definite benefits are few...
May 19, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28526852/health-benefit-of-vegetable-fruit-juice-based-diet-role-of-microbiome
#6
Susanne M Henning, Jieping Yang, Paul Shao, Ru-Po Lee, Jianjun Huang, Austin Ly, Mark Hsu, Qing-Yi Lu, Gail Thames, David Heber, Zhaoping Li
The gut microbiota is an important contributor to human health. Vegetable/fruit juices provide polyphenols, oligosaccharides, fiber and nitrate (beet juice), which may induce a prebiotic-like effect. Juice-based diets are becoming popular. However, there is a lack of scientific evidence of their health benefits. It was our hypothesis that changes in the intestinal microbiota induced by a juice-based diet play an important role in their health benefits. Twenty healthy adults consumed only vegetable/fruit juices for 3 days followed by 14 days of customary diet...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28520899/increased-urinary-trimethylamine-n-oxide-tmao-following-cryptosporidium-infection-and-protein-malnutrition-independent-of-microbiome-effects
#7
D T Bolick, J Mayneris-Perxachs, G L Medlock, G L Kolling, J Papin, J R Swann, R L Guerrant
Cryptosporidium infections have been associated with growth stunting even in the absence of diarrhea. Having previously detailed the effects of protein deficiency on both microbiome and metabolome in this model, we now describe the specific gut microbial and biochemical effects of Cryptosporidium infection. Protein deficient mice were infected with Cryptosporidium parvum oocysts for 6-13 days and compared to uninfected controls. Following infection there was an increase in the urinary excretion of choline- and amino acid-derived metabolites...
May 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28490352/a-diagnostic-biomarker-profile-for-fibromyalgia-syndrome-based-on-an-nmr-metabolomics-study-of-selected-patients-and-controls
#8
Bontle G Malatji, Helgard Meyer, Shayne Mason, Udo F H Engelke, Ron A Wevers, Mari van Reenen, Carolus J Reinecke
BACKGROUND: Fibromyalgia syndrome (FMS) is a chronic pain syndrome. A plausible pathogenesis of the disease is uncertain and the pursuit of measurable biomarkers for objective identification of affected individuals is a continuing endeavour in FMS research. Our objective was to perform an explorative metabolomics study (1) to elucidate the global urinary metabolite profile of patients suffering from FMS, and (2) to explore the potential of this metabolite information to augment existing medical practice in diagnosing the disease...
May 11, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28467757/the-female-urinary-microbiota-microbiome-clinical-and-research-implications
#9
Linda Brubaker, Alan J Wolfe
The changing science of the urinary microbiota and microbiome has both clinical and research implications. This review paper provides an overview of the state of this science, as well as a discussion of the potential for prevention, diagnosis, and treatment of human disease. The history of techniques used for clinical detection of infection are placed into context along with the modern methods of bacterial detection and identification.
April 28, 2017: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/28444712/the-urinary-microbiome-and-its-contribution-to-lower-urinary-tract-symptoms-ici-rs-2015
#10
REVIEW
Marcus J Drake, Nicola Morris, Apostolos Apostolidis, Mohammad S Rahnama'i, Julian R Marchesi
AIMS: The microbiome is the term used for the symbiotic microbial colonisation of healthy organs. Studies have found bacterial identifiers within voided urine which is apparently sterile on conventional laboratory culture, and accordingly there may be health and disease implications. METHODS: The International Consultation on Incontinence Research Society (ICI-RS) established a literature review and expert consensus discussion focussed on the increasing awareness of the urinary microbiome, and potential research priorities...
April 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28394824/from-microbiome-to-infectome-in-autoimmunity
#11
Dimitrios P Bogdanos, Lazaros I Sakkas
PURPOSE OF REVIEW: The current review discusses the pros and cons of the microbiome studies conducted in search of the association between microbiota and autoimmunity. RECENT FINDINGS: We focus on the role of infectome and autoinfectome as a bridge to link the findings of microbiome studies with those emerging from investigations of the role of specific viruses and antiviral responses as triggers of autoimmunity (through various mechanisms such as molecular mimicry)...
July 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28367086/characterization-of-the-serum-and-liver-proteomes-in-gut-microbiota-lacking-mice
#12
Yu-Tang Tung, Ying-Ju Chen, Hsiao-Li Chuang, Wen-Ching Huang, Chun-Tsung Lo, Chen-Chung Liao, Chi-Chang Huang
Current nutrition research is focusing on health promotion, disease prevention, and performance improvement for individuals and communities around the world. The humans with required nutritional ingredients depend on both how well the individual is provided with balanced foods and what state of gut microbiota the host has. Studying the mutually beneficial relationships between gut microbiome and host is an increasing attention in biomedical science. The purpose of this study is to understand the role of gut microbiota and to study interactions between gut microbiota and host...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28364866/being-overweight-or-obese-is-associated-with-harboring-a-gut-microbial-community-not-capable-of-metabolizing-the-soy-isoflavone-daidzein-to-o-desmethylangolensin-in-peri-and-post-menopausal-women
#13
Lindsey M Miller, Johanna W Lampe, Katherine M Newton, Gabrielle Gundersen, Sharon Fuller, Susan D Reed, Cara L Frankenfeld
OBJECTIVE: Obesity can be a considerable health concern for peri- and post-menopausal women. Evidence suggests an association between the gut microbiome and obesity. The study objective was to evaluate the association between being overweight or obese and phenotypic markers of having an overall gut microbial environment not capable of metabolizing the isoflavone daidzein to equol or O-desmethylangolensin (ODMA). STUDY DESIGN: Cross-sectional study of 137 peri- and 218 post-menopausal women, aged 44-55 years, who consumed at least three servings per week of soy (source of daidzein)...
May 2017: Maturitas
https://www.readbyqxmd.com/read/28333758/cutaneous-burn-injury-modulates-urinary-antimicrobial-peptide-responses-and-the-urinary-microbiome
#14
Jennifer K Plichta, Casey J Holmes, Vanessa Nienhouse, Michelle Puszynski, Xiang Gao, Qunfeng Dong, Huaiying Lin, James Sinacore, Michael Zilliox, Evelyn Toh, David E Nelson, Richard L Gamelli, Katherine A Radek
OBJECTIVES: Characterization of urinary bacterial microbiome and antimicrobial peptides after burn injury to identify potential mechanisms leading to urinary tract infections and associated morbidities in burn patients. DESIGN: Retrospective cohort study using human urine from control and burn subjects. SETTING: University research laboratory. PATIENTS: Burn patients. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Urine samples from catheterized burn patients were collected hourly for up to 40 hours...
June 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28321473/clinical-epidemiological-insights-into-urinary-incontinence
#15
Vatché A Minassian, Tony Bazi, Walter F Stewart
INTRODUCTION AND HYPOTHESIS: Urinary incontinence (UI) is very common and heterogeneous among women with limited knowledge of progression or prognosis. Evidence based on clinical epidemiology can help to better understand the natural history of UI. METHODS: We examine the challenges of UI definition and its subtypes, its impact on quality of life and health-seeking behavior. We review the proposed pathophysiology of UI subtypes and known risk factors as they relate to our current knowledge of the disease state...
May 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28287476/absorption-metabolism-and-excretion-of-cranberry-poly-phenols-in-humans-a-dose-response-study-and-assessment-of-inter-individual-variability
#16
Rodrigo P Feliciano, Charlotte E Mills, Geoffrey Istas, Christian Heiss, Ana Rodriguez-Mateos
The beneficial health effects of cranberries have been attributed to their (poly)phenol content. Recent studies have investigated the absorption, metabolism and excretion of cranberry (poly)phenols; however, little is known about whether they follow a dose response in vivo at different levels of intake. An acute double-blind randomized controlled trial in 10 healthy men with cranberry juices containing 409, 787, 1238, 1534 and 1910 mg total (poly)phenols was performed. Blood and urine were analyzed by UPLC-Q-TOF-MS...
March 11, 2017: Nutrients
https://www.readbyqxmd.com/read/28273841/comprehensive-metabolomic-analysis-in-blood-urine-fat-and-muscle-in-men-with-metabolic-syndrome-a-randomized-placebo-controlled-clinical-trial-on-the-effects-of-resveratrol-after-four-months-treatment
#17
Anne Sofie Korsholm, Thomas Nordstrøm Kjær, Marie Juul Ornstrup, Steen Bønløkke Pedersen
Resveratrol possesses several beneficial metabolic effects in rodents, while the effects of resveratrol in humans remain unclear. Therefore, we performed a non-targeted comprehensive metabolomic analysis on blood, urine, adipose tissue, and skeletal muscle tissue in middle-aged men with metabolic syndrome randomized to either resveratrol or placebo treatment for four months. Changes in steroid hormones across all four matrices were the most pronounced changes observed. Resveratrol treatment reduced sulfated androgen precursors in blood, adipose tissue, and muscle tissue, and increased these metabolites in urine...
March 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28217698/questions-and-challenges-associated-with-studying-the-microbiome-of-the-urinary-tract
#18
REVIEW
Yige Bao, Kait F Al, Ryan M Chanyi, Samantha Whiteside, Malcom Dewar, Hassan Razvi, Gregor Reid, Jeremy P Burton
Urologists are typically faced with clinical situations for which the microbiome may have been a contributing factor. Clinicians have a good understanding regarding the role of bacteria related to issues such as antibiotic resistance; however, they generally have a limited grasp of how the microbiome may relate to urological issues. The largest part of the human microbiome is situated in the gastrointestinal tract, and though this is mostly separated from the urinary system, bacterial dissemination and metabolic output by this community is thought to have a significant influence on urological conditions...
January 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28217694/probiotics-for-prevention-of-urinary-stones
#19
John C Lieske
BACKGROUND: Urinary supersaturation is one key determinant of calcium oxalate (CaOx) urinary stone formation, and urinary excretions of oxalate and citrate are two key determinants. Each is influenced by gastrointestinal processes. METHODS: Open label and randomized placebo studies have examined the effect of oral probiotic preparations on urinary supersaturation and oxalate excretion. Cross sectional studies in humans have studied the association of Oxalobacter formigenes colonization status and urinary oxalate excretion and prevalence of urinary stones...
January 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28178051/urinary-microbiome-and-cytokine-levels-in-women-with-interstitial-cystitis
#20
Melinda G Abernethy, Amy Rosenfeld, James R White, Margaret G Mueller, Christina Lewicky-Gaupp, Kimberly Kenton
OBJECTIVE: To investigate differences in the urinary microbiome and cytokine levels between women with and without interstitial cystitis and to correlate differences with scores on standardized symptom severity scales and depression and anxiety screening tools. METHODS: Our cross-sectional study compared women presenting to a pelvic floor clinic and diagnosed with interstitial cystitis over a 6-month period with age-matched women in a control group from the same institution...
March 2017: Obstetrics and Gynecology
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