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Probiotic microbiota

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https://www.readbyqxmd.com/read/27904405/evaluation-of-prebiotic-effects-of-high-purity-galactooligosaccharides-in-vitro-and-in-vivo
#1
Ki Bae Hong, Jae Hwan Kim, Hyuk Kon Kwon, Sung Hee Han, Yooheon Park, Hyung Joo Suh
Galactooligosaccharides (GOS) are an important class of dietary prebiotics that exert beneficial effects on intestinal microbiota and gut barrier function. In this study, high-purity GOS (HP-GOS) were investigated in vitro and in vivo and confirmed as prebiotic ingredients in rat diet. HP-GOS were successfully produced using a two-step process, enzymatic hydrolysis and fermentation by yeast. They were found to serve as a good substrate and carbon source for supporting the growth of probiotic bacteria more effectively than other commercial GOS...
June 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/27903091/quantification-of-fitc-labelled-probiotic-lactobacillus-salivarius-dspv-001p-during-gastrointestinal-transit-in-broilers
#2
J E Blajman, D M Astesana, J A Zimmermann, E Rossler, A Romero Scharpen, A P Berisvil, M V Zbrun, L P Soto, M R Rosmini, L S Frizzo
The knowledge related to the fate of probiotics in the complex environment of the intestinal microbiota in broilers is just beginning to be elucidated; however, it is not yet well understood. A good method to investigate the mechanisms by which probiotics mediate their effects is to mark probiotic bacteria and trace them. The aim of this research was to develop a new method to estimate in vivo fluorescein isothiocyanate (FITC)-labelled Lactobacillus salivarius DSPV 001P counts during passage through the gastrointestinal tract (GIT) of broilers...
December 1, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/27900619/current-perspectives-on-antihypertensive-probiotics
#3
REVIEW
Eric Banan-Mwine Daliri, Byong H Lee, Deog H Oh
Hypertension is a major risk factor for cardiovascular diseases. Optimizing blood pressure results in an overall health outcome. Over the years, the gut microbiota has been found to play a significant role in host metabolic processes, immunity, and physiology. Dietary strategies have therefore become a target for restoring disturbed gut microbiota to treat metabolic diseases. Probiotics and their fermented products have been shown in many studies to lower blood pressure by suppressing nitrogen oxide production in microphages, reducing reactive oxygen species, and enhancing dietary calcium absorption...
November 29, 2016: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/27898740/kluyveromyces-marxianus-and-saccharomyces-boulardii-induce-distinct-levels-of-dendritic-cell-cytokine-secretion-and-significantly-different-t-cell-responses-in-vitro
#4
Ida M Smith, Adam Baker, Jeffrey E Christensen, Teun Boekhout, Hanne Frøkiær, Nils Arneborg, Lene Jespersen
Interactions between members of the intestinal microbiota and the mucosal immune system can significantly impact human health, and in this context, fungi and food-related yeasts are known to influence intestinal inflammation through direct interactions with specialized immune cells in vivo. The aim of the present study was to characterize the immune modulating properties of the food-related yeast Kluyveromyces marxianus in terms of adaptive immune responses indicating inflammation versus tolerance and to explore the mechanisms behind the observed responses...
2016: PloS One
https://www.readbyqxmd.com/read/27898455/clinical-implications-of-the-microbiome-in-urinary-tract-diseases
#5
Andreas Hiergeist, André Gessner
PURPOSE OF REVIEW: The purpose of this review is to outline and evaluate the most recent literature on the role of the microbiome in urinary tract diseases. RECENT FINDINGS: High throughput molecular DNA sequencing of bacterial 16S rRNA genes enabled the analysis of complex microbial communities inhabiting the human urinary tract. Several recent studies have identified bacterial taxa of the urinary microbiome to impact urinary tract diseases including interstitial cystitis, urgency urinary incontinence or calcium oxalate stone formation...
November 24, 2016: Current Opinion in Urology
https://www.readbyqxmd.com/read/27892709/gut-borne-saccharomyces-cerevisiae-a-promising-candidate-for-the-formulation-of-feed-additives-modulates-immune-system-and-gut-microbiota
#6
G García, C Dogi, A de Moreno de LeBlanc, C Greco, L Cavaglieri
The aim was to evaluate the effect of Saccharomyces cerevisiae RC016 on immune parameters and gut microbiota in healthy mice. Animals received S. cerevisiae RC016 for 10 days. Microbial translocation to liver and changes in some bacterial populations in caecum were determined. Immune stimulation was assessed at gut level (measure ofimmunoglobulin A (IgA)(+) cells and luminal cytokine profile) and by evaluating the activity of peritoneal macrophages. Oral administration of S. cerevisiae RC016 did not induce microbial translocation to liver...
November 30, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/27888158/metabolomic-profile-of-children-with-recurrent-respiratory-infections
#7
Sara Bozzetto, Paola Pirillo, Silvia Carraro, Mariangela Berardi, Laura Cesca, Matteo Stocchero, Giuseppe Giordano, Stefania Zanconato, Eugenio Baraldi
Recurrent respiratory infections (RRI) represent a widespread condition which has a severe social and economic impact. Immunostimulants are used for their prevention. It is crucial to better characterize children with RRI to refine their diagnosis and identify effective personalized prevention strategies. Metabolomics is a high-dimensional biological method that can be used for hypothesis-free biomarker profiling, examining a large number of metabolites in a given sample using spectroscopic techniques. Multivariate statistical data analysis then enables us to infer which metabolic information is relevant to the biological characterization of a given physiological or pathological condition...
November 22, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27881419/oral-administration-of-a-select-mixture-of-bacillus-probiotics-affects-the-gut-microbiota-and-goblet-cell-function-in-newly-weaned-muc4-resistant-pigs-following-escherichia-coli-challenge
#8
Wei Zhang, Yao-Hong Zhu, Dong Zhou, Qiong Wu, Dan Song, Johan Dicksved, Jiu-Feng Wang
: Structural disruption of the gut microbiota and impaired goblet cell function are collateral etiologic factors in enteric diseases. Low, moderate, or high doses of a Bacillus licheniformis-B. subtilis mixture (BLS-mix) were orally administered to MUC4 resistant piglets for 1 week before the F4-expressing ETEC strain (F4(+) ETEC) challenge. The luminal contents were collected from the mucosa of colon on day 8 after F4(+) ETEC challenge. BLS-mix attenuated E. coli-induced expansion of Bacteroides uniformis, Eubacterium eligens, Acetanaerobacterium and Sporobacter populations...
November 23, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27876597/role-of-synbiotics-in-polysaccharide-assisted-colon-targeted-microspheres-of-mesalamine-for-the-treatment-of-ulcerative-colitis
#9
Rupinderjeet Kaur, Monica Gulati, Sachin Kumar Singh
The present study explains the effect of concomitant administration of synbiotics with the polysaccharide based colon targeted delivery system. As the gut microflora get deranged on administration of mesalamine, drug release from such delivery systems is expected to be jeopardised because the release trigger is dependent solely on the colonic microbiota. To overcome this limitation, mesalamine was formulated as microspheres with guar gum and xanthan gum (prebiotics). These were combined with probiotics containing Lactobacillus acidophilus, L...
November 19, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27869188/structural-and-immunomodulatory-differences-among-lactobacilli-exopolysaccharides-isolated-from-intestines-of-mice-with-experimentally-induced-inflammatory-bowel-disease
#10
Sabina Górska, Corine Sandstrőm, Justyna Wojas-Turek, Joanna Rossowska, Elżbieta Pajtasz-Piasecka, Ewa Brzozowska, Andrzej Gamian
Characteristic changes in the microbiota biostructure and a decreased tolerance to intestinal bacteria have been associated with inflammatory bowel disease (IBD). However, few studies have examined the constituents of the intestinal microbiota, including the surface molecules of the bacteria, in healthy and IBD subsets. Here, we compare the chemical structures and immunomodulatory properties of the exopolysaccharides (EPS) of lactobacilli isolated from mice with induced IBD (IBD "+") versus those of healthy mice (IBD "-")...
November 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27866330/human-gut-microbiota-the-links-with-dementia-development
#11
REVIEW
Rashad Alkasir, Jing Li, Xudong Li, Miao Jin, Baoli Zhu
Dementia is a comprehensive category of brain diseases that is great enough to affect a person's daily functioning. The most common type of dementia is Alzheimer's disease, which makes most of cases. New researches indicate that gastrointestinal tract microbiota are directly linked to dementia pathogenesis through triggering metabolic diseases and low-grade inflammation progress. A novel strategy is proposed for the management of these disorders and as an adjuvant for psychiatric treatment of dementia and other related diseases through modulation of the microbiota (e...
November 19, 2016: Protein & Cell
https://www.readbyqxmd.com/read/27866040/in-vitro-fermentation-of-different-fructo-oligosaccharides-by-bifidobacterium-strains-for-the-selection-of-synbiotic-combinations
#12
Lorena Valdés-Varela, Patricia Ruas-Madiedo, Miguel Gueimonde
The use of selected probiotics, prebiotics and/or synbiotics, constitute an interesting dietary strategy for intestinal microbiota modulation in case of dysbiosis. Species of the genus Bifidobacterium are among the most currently used probiotics for human consumption since they have shown beneficial effects in the prevention and treatment of some disorders. Bifidobacteria are saccharolytic microorganisms, but their ability to use different carbohydrates varies among strains. In this study, we investigate the utilization of three prebiotic substrates (two different short-chain fructo-oligosaccharides [scFOS] and inulin) by strains of Bifidobacterium, in order to determine the synbiotic potential of the different probiotic/prebiotic combinations...
November 12, 2016: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27864537/effects-of-probiotic-supplementation-in-patients-with-type-2-diabetes-systematic-review-and-meta-analysis
#13
Vajihe Akbari, Fatemeh Hendijani
CONTEXT: The rising prevalence of type 2 diabetes requires increased efforts to find effective therapeutic agents for this complex condition. Following the recent observation that the gut microbiota is altered in diabetic patients, researchers investigated the effect of probiotics in patients with diabetes. OBJECTIVE: The aim of this systematic review was to assess the effects of probiotic consumption on glycemic control in diabetic patients. DATA SOURCES: PubMed, Scopus, Web of Science (formerly ISI Web of Knowledge), Cochrane Central Register of Controlled Trials, ClinicalTrials...
December 2016: Nutrition Reviews
https://www.readbyqxmd.com/read/27864534/microbiome-and-nutrition-in-autism-spectrum-disorder-current-knowledge-and-research-needs
#14
Kirsten Berding, Sharon M Donovan
Autism spectrum disorder (ASD) is the fastest growing neurodevelopmental disorder in the United States. Besides genetic risks, environmental factors have been suggested to contribute to the increase in ASD diagnosis over the past decade. Several studies have reported abnormalities in microbiota composition and differences in microbial metabolites in children with ASD. Gastrointestinal discomfort is commonly reported in children with ASD. Additionally, food selectivity and picky eating patterns are commonly reported...
December 2016: Nutrition Reviews
https://www.readbyqxmd.com/read/27864179/prevalence-of-antibiotic-resistance-genes-among-human-gut-derived-bifidobacteria
#15
Sabrina Duranti, Gabriele Andrea Lugli, Leonardo Mancabelli, Francesca Turroni, Christian Milani, Marta Mangifesta, Chiara Ferrario, Rosaria Anzalone, Alice Viappiani, Douwe van Sinderen, Marco Ventura
: The microbiota of the human gastrointestinal tract (GIT) may regularly be exposed to antibiotics, which are used to prevent and treat infectious diseases caused by bacteria and fungi. Bacterial communities of the gut retain a reservoir of antibiotic resistance (AR) genes, and antibiotic therapy thus positively selects for those microorganisms that harbor such genetic features, causing microbiota modulation. During the first months following birth, bifidobacteria represent one of the most dominant components of the human gut microbiota, though little is known about their AR gene complement (or resistome)...
November 18, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27863462/liver-abscess-and-bacteremia-caused-by-lactobacillus-role-of-probiotics-case-report-and-review-of-the-literature
#16
Muhammed Sherid, Salih Samo, Samian Sulaiman, Husein Husein, Humberto Sifuentes, Subbaramiah Sridhar
BACKGROUND: Lactobacilli are non-spore forming, lactic acid producing, gram-positive rods. They are a part of the normal gastrointestinal and genitourinary microbiota and have rarely been reported to be the cause of infections. Lactobacilli species are considered non-pathogenic organisms and have been used as probiotics to prevent antibiotic associated diarrhea. There are sporadic reported cases of infections related to lactobacilli containing probiotics. CASE PRESENTATION: In this paper we discuss a case of an 82 year old female with liver abscess and bacteremia from lactobacillus after using probiotics containing lactobacilli in the course of her treatment of Clostridium difficile colitis...
November 18, 2016: BMC Gastroenterology
https://www.readbyqxmd.com/read/27863401/isoliquiritigenin-decreases-the-incidence-of-colitis-associated-colorectal-cancer-by-modulating-the-intestinal-microbiota
#17
Minna Wu, Yaqi Wu, Baoguo Deng, Jinsong Li, Haiying Cao, Yan Qu, Xinlai Qian, Genshen Zhong
Imbalances in intestinal bacteria correlate with colitis-associated colorectal cancer (CAC). Traditional Chinese medicines have been used to adjust the gut microbiota, and isoliquiritigenin (ISL), a flavonoid extracted from licorice, has shown antitumor efficacy. In this study, the effects of ISL on CAC development and the gut microbiota were evaluated using an azoxymethane and dextran sulphate sodium (AOM/DSS)-induced mouse model of CAC (CACM). Histopathological analysis suggested that ISL reduced tumor incidence in vivo...
November 15, 2016: Oncotarget
https://www.readbyqxmd.com/read/27861762/gut-microbiome-in-children-with-enthesitis-related-arthritis-in-a-developing-country-and-the-effect-of-probiotic-administration
#18
Amita Aggarwal, Aditya N Sarangi, Priyanka Gaur, Anuj Shukla, Rakesh Aggarwal
In Asia, enthesitis-related arthritis (ERA) is the most-frequent category of juvenile idiopathic arthritis. ERA has a strong association with HLA-B27 and subclinical gut inflammation. In a HLA-B27 transgenic rat model, presence of Bacteroides bacteria in the gut appears to cause spondyloarthropathy (SpA). Thus, we studied gut microbiota in children with ERA. Stool specimens from 33 patients with ERA and 14 age-matched healthy controls were studied; none had any gastrointestinal symptom, or had received a drug known to affect gut motility or microbiota in the preceding 6 weeks...
November 9, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27858139/lactobacillus-plantarum-hac01-regulates-gut-microbiota-and-adipose-tissue-accumulation-in-a-diet-induced-obesity-murine-model
#19
Soyoung Park, Yosep Ji, Hoe-Yune Jung, Hyunjoon Park, Jihee Kang, Sang-Haeng Choi, Heuynkil Shin, Chang-Kee Hyun, Kyong-Tai Kim, Wilhelm H Holzapfel
The functional features of Lactobacillus plantarum HAC01 (HAC01), isolated from fermented Korean kimchi, were studied with regard to the fat mass, immunometabolic biomarkers and dysbiosis in a diet-induced obesity (DIO) murine model. L. rhamnosus GG (LGG) served as reference strain and a PBS-treated group as control. The administration of L. plantarum HAC01 resulted in reduction of the mesenteric adipose depot, the conjunctive tissue closely associated with the gastrointestinal tract, where lipid oxidative gene expression was upregulated compared to the control group...
November 17, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27856521/gleaning-insights-from-fecal-microbiota-transplantation-and-probiotic-studies-for-the-rational-design-of-combination-microbial-therapies
#20
REVIEW
Lauren E Hudson, Sarah E Anderson, Anita H Corbett, Tracey J Lamb
Beneficial microorganisms hold promise for the treatment of numerous gastrointestinal diseases. The transfer of whole microbiota via fecal transplantation has already been shown to ameliorate the severity of diseases such as Clostridium difficile infection, inflammatory bowel disease, and others. However, the exact mechanisms of fecal microbiota transplant efficacy and the particular strains conferring this benefit are still unclear. Rationally designed combinations of microbial preparations may enable more efficient and effective treatment approaches tailored to particular diseases...
January 2017: Clinical Microbiology Reviews
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