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Probiotic microbiota

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https://www.readbyqxmd.com/read/28546539/microbiota-modulation-counteracts-alzheimer-s-disease-progression-influencing-neuronal-proteolysis-and-gut-hormones-plasma-levels
#1
Laura Bonfili, Valentina Cecarini, Sara Berardi, Silvia Scarpona, Jan S Suchodolski, Cinzia Nasuti, Dennis Fiorini, Maria Chiara Boarelli, Giacomo Rossi, Anna Maria Eleuteri
Gut microbiota has a proven role in regulating multiple neuro-chemical pathways through the highly interconnected gut-brain axis. Oral bacteriotherapy thus has potential in the treatment of central nervous system-related pathologies, such as Alzheimer's disease (AD). Current AD treatments aim to prevent onset, delay progression and ameliorate symptoms. In this work, 3xTg-AD mice in the early stage of AD were treated with SLAB51 probiotic formulation, thereby affecting the composition of gut microbiota and its metabolites...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28538869/potential-mechanisms-linking-probiotics-to-diabetes-a-narrative-review-of-the-literature
#2
Maryam Miraghajani, Somayeh Shahraki Dehsoukhteh, Nahid Rafie, Sahar Golpour Hamedani, Sima Sabihi, Reza Ghiasvand
CONTEXT AND OBJECTIVE: Some studies have suggested a wide range of possible mechanisms through which probiotics may play a role in diabetes prevention and treatment. However, the underlying mechanisms are not fully understood. We conducted this study to review the potential mechanisms suggested for the effect of probiotics in diabetes. DESIGN AND SETTING: Narrative review conducted at the Food Security Research Center of Isfahan. METHODS: A search in the electronic databases MEDLINE (PubMed), Cochrane Library, Web of Science and Google scholar was performed up to October 2016...
March 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28534820/antioxidant-properties-of-probiotic-bacteria
#3
REVIEW
Yang Wang, Yanping Wu, Yuanyuan Wang, Han Xu, Xiaoqiang Mei, Dongyou Yu, Yibing Wang, Weifen Li
Oxidative stress defines a condition in which the prooxidant-antioxidant balance in the cell is disturbed, resulting in DNA hydroxylation, protein denaturation, lipid peroxidation, and apoptosis, ultimately compromising cells' viability. Probiotics have been known for many beneficial health effects, and the consumption of probiotics alone or in food shows that strain-specific probiotics can present antioxidant activity and reduce damages caused by oxidation. However, the oxidation-resistant ability of probiotics, especially the underling mechanisms, is not properly understood...
May 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28533178/mucin-and-carbohydrate-stimulated-adhesion-and-subproteome-changes-of-the-probiotic-bacterium-lactobacillus-acidophilus-ncfm
#4
Hasan Ufuk Celebioglu, Sita Vaag Olesen, Kennie Prehn, Sampo J Lahtinen, Susanne Brix, Maher Abou Hachem, Birte Svensson
Adhesion to intestinal mucosa is a crucial property for probiotic bacteria. Adhesion is thought to increase host-bacterial interactions, thus potentially enabling health benefits to the host. Molecular events connected with adhesion and surface proteome changes were investigated for the probiotic Lactobacillus acidophilus NCFM cultured with established or emerging prebiotic carbohydrates as carbon source and in the presence of mucin, the glycoprotein of the epithelial mucus layer. Variation in adhesion to HT29-cells and mucin was associated with carbon source and mucin-induced subproteome abundancy differences...
May 19, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28531784/gut-microbiota-mediated-benefits-of-barley-kernel-products-on-metabolism-gut-hormones-and-inflammatory-markers-as-affected-by-co-ingestion-of-commercially-available-probiotics-a-randomized-controlled-study-in-healthy-subjects
#5
Anne Nilsson, Elin Johansson-Boll, Jonna Sandberg, Inger Björck
BACKGROUND AND AIMS: Barley kernel based products have been shown to induce benefits on blood glucose regulation, cardio-metabolic risk markers and appetite regulating hormones in a time perspective of 11-16 h after intake. The mechanisms have been assigned to gut fermentation of indigestible carbohydrates. The purpose of the present study was to evaluate if the modulatory effects of barley on markers of metabolic- and appetite regulation are affected by a dietary background including a mixture of commercially available probiotics...
October 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28529928/the-probiotic-compound-vsl-3-modulates-mucosal-peripheral-and-systemic-immunity-following-murine-broad-spectrum-antibiotic-treatment
#6
Ira Ekmekciu, Eliane von Klitzing, Ulrike Fiebiger, Christian Neumann, Petra Bacher, Alexander Scheffold, Stefan Bereswill, Markus M Heimesaat
There is compelling evidence linking the commensal intestinal microbiota with host health and, in turn, antibiotic induced perturbations of microbiota composition with distinct pathologies. Despite the attractiveness of probiotic therapy as a tool to beneficially alter the intestinal microbiota, its immunological effects are still incompletely understood. The aim of the present study was to assess the efficacy of the probiotic formulation VSL#3 consisting of eight distinct bacterial species (including Streptococcus thermophilus, Bifidobacterium breve, B...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28527760/restoration-of-cefixime-induced-gut-microbiota-changes-by-lactobacillus-cocktails-and-fructooligosaccharides-in-a-mouse-model
#7
Ying Shi, Qixiao Zhai, Dongyao Li, Bingyong Mao, Xiaoming Liu, Jianxin Zhao, Hao Zhang, Wei Chen
Probiotics have been used to rebuild the antibiotic-induced dysfunction in gut microbiota, but whether the different strains of probiotics result in similar or reverse effects remains unclear. In this study, the different recovery effects of two cocktails (each contains four strains) of Lactobacillus and fructooligosaccharide against cefixime-induced change of gut microbiota were evaluated in C57BL/6J mice. The results show that the use of cefixime caused a reduction in the diversities of the microbial community and led to significantly decreasing to one preponderant Firmicutes phylum, which was difficult to restore naturally in the short term...
July 2017: Microbiological Research
https://www.readbyqxmd.com/read/28527759/selection-of-new-lactic-acid-bacteria-strains-bearing-probiotic-features-from-mucosal-microbiota-of-healthy-calves-looking-for-immunobiotics-through-in-vitro-and-in-vivo-approaches-for-immunoprophylaxis-applications
#8
Sávio Sandes, Luige Alvim, Bruno Silva, Leonardo Acurcio, Cinara Santos, Márcia Campos, Camila Santos, Jacques Nicoli, Elisabeth Neumann, Álvaro Nunes
From the birth, since their mucosal microbiota and immune system are not fully developed, newborn calves are susceptible to several mucosal pathogenic microorganisms. Operating through humoral and non-humoral mechanisms in the host, several lactic acid bacteria strains bearing probiotic features are often employed in livestock as food supplement, improving animal production performance, promoting health and reducing the severity of mucosal infections. Accordingly, we isolated, species-level identified and screened for their probiotic potentials seventy lactic acid bacteria strains from upper airway, vaginal and intestinal mucosa of healthy calves...
July 2017: Microbiological Research
https://www.readbyqxmd.com/read/28524627/weight-loss-interventions-and-gut-microbiota-changes-in-overweight-and-obese-patients-a-systematic-review
#9
REVIEW
F B Seganfredo, C A Blume, M Moehlecke, A Giongo, D S Casagrande, J V N Spolidoro, A V Padoin, B D Schaan, C C Mottin
Imbalances in the gut microbiota, the bacteria that inhabit the intestines, are central to the pathogenesis of obesity. This systematic review assesses the association between the gut microbiota and weight loss in overweight/obese adults and its potential manipulation as a target for treating obesity. This review identified 43 studies using the keywords 'overweight' or 'obesity' and 'microbiota' and related terms; among these studies, 17 used dietary interventions, 11 used bariatric surgery and 15 used microbiota manipulation...
May 19, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28521872/non-alcoholic-fatty-liver-disease-an-update-with-special-focus-on-the-role-of-gut-microbiota
#10
REVIEW
Michael Doulberis, Georgios Kotronis, Dimitra Gialamprinou, Jannis Kountouras, Panagiotis Katsinelos
Non-alcoholic fatty liver disease (NAFLD) is a significant global health burden in children, adolescents and adults with substantial rise in prevalence over the last decades. Accumulating data from manifold studies support the idea of NAFLD as a hepatic manifestation of metabolic syndrome, being rather a systemic metabolic disease than a liver confined pathology. Emerging data support that the gut microbiome represents a significant environmental factor contributing to NAFLD development and progression. Apart from other regimens, probiotics may have a positive role in the management of NAFLD through a plethora of possible mechanisms...
June 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28521317/mechanisms-of-tolerance-induction
#11
Anna Nowak-Węgrzyn, Pantipa Chatchatee
Food allergy results from failure in oral tolerance that usually occurs in infancy or early childhood. Exposure to peanut and hen's egg via the inflamed and disrupted epithelial barrier in children with severe atopic dermatitis is a risk factor for the development of allergy to these foods and supports the hypothesis that epicutaneous exposure in the absence of oral feeding is an important pathway of allergic IgE sensitization in infants. In recent years, the collective evidence has pointed toward the protective effect of an early feeding with peanut and egg in children with eczema, taking advantage of the pathways underlying oral tolerance to counteract epicutaneous exposure...
2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28520994/gut-microbiota-mediated-protection-against-diarrheal-infections
#12
Stefanie L Vogt, B Brett Finlay
Background: The mammalian gut microbiota is a highly abundant and diverse microbial community that resides in the gastrointestinal tract. One major benefit that the gut microbiota provides to its host is colonization resistance-the ability to prevent colonization by foreign microbes, including diarrheal pathogens such as Clostridium difficile , Salmonella enterica serovar Typhimurium and diarrheagenic Escherichia coli . Methods: We conducted a literature review of the effects of the gut microbiota on infection by diarrheal pathogens...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28520475/kombucha-multimicrobial-community-under-simulated-spaceflight-and-martian-conditions
#13
O Podolich, I Zaets, O Kukharenko, I Orlovska, O Reva, L Khirunenko, M Sosnin, A Haidak, S Shpylova, E Rabbow, M Skoryk, M Kremenskoy, R Demets, N Kozyrovska, J-P de Vera
Kombucha microbial community (KMC) produces a cellulose-based biopolymer of industrial importance and a probiotic beverage. KMC-derived cellulose-based pellicle film is known as a highly adaptive microbial macrocolony-a stratified community of prokaryotes and eukaryotes. In the framework of the multipurpose international astrobiological project "BIOlogy and Mars Experiment (BIOMEX)," which aims to study the vitality of prokaryotic and eukaryotic organisms and the stability of selected biomarkers in low Earth orbit and in a Mars-like environment, a cellulose polymer structural integrity will be assessed as a biomarker and biotechnological nanomaterial...
May 2017: Astrobiology
https://www.readbyqxmd.com/read/28513533/deleterious-metabolic-effects-of-high-fructose-intake-the-preventive-effect-of-lactobacillus-kefiri-administration
#14
María Guillermina Zubiría, Sabrina Eliana Gambaro, María Amanda Rey, Paula Carasi, María de Los Ángeles Serradell, Andrés Giovambattista
Modern lifestyle and diets have been associated with metabolic disorders and an imbalance in the normal gut microbiota. Probiotics are widely known for their health beneficial properties targeting the gut microbial ecosystem. The aim of our study was to evaluate the preventive effect of Lactobacillus kefiri (L. kefiri) administration in a fructose-rich diet (FRD) mice model. Mice were provided with tap water or fructose-added (20% w/v) drinking water supplemented or not with L. kefiri. Results showed that probiotic administration prevented weight gain and epidydimal adipose tissue (EAT) expansion, with partial reversion of the adipocyte hypertrophy developed by FRD...
May 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28511691/tomato-root-microbiota-and-phytophthora-parasitica-associated-disease
#15
Marie Larousse, Corinne Rancurel, Camille Syska, Ferran Palero, Catherine Etienne, Benoît Industri, Xavier Nesme, Marc Bardin, Eric Galiana
BACKGROUND: Interactions between pathogenic oomycetes and microbiota residing on the surface of the host plant root are unknown, despite being critical to inoculum constitution. The nature of these interactions was explored for the polyphagous and telluric species Phytophthora parasitica. RESULTS: Composition of the rhizospheric microbiota of Solanum lycopersicum was characterized using deep re-sequencing of 16S rRNA gene to analyze tomato roots either free of or partly covered with P...
May 16, 2017: Microbiome
https://www.readbyqxmd.com/read/28511293/enterobacter-aerogenes-zdy01-attenuates-choline-induced-trimethylamine-n-oxide-levels-via-remodeling-gut-microbiota-in-mice
#16
Liang Qiu, Dong Yang, Xueying Tao, Jun Yu, Hua Xiong, Hua Wei
Trimethylamine N-oxide (TMAO), which is transformed from trimethylamine (TMA) through hepatic flavin-containing monooxygenases, can promote atherosclerosis. TMA is produced from dietary carnitine, phosphatidylcholine, and choline via the gut microbes. Previous works have shown that some small molecules, such as allicin, resveratrol, and 3,3-dimethyl-1-butanol, are used to reduce circulating TMAO levels. However, the use of bacteria as an effective therapy to reduce TMAO levels has not been reported. In the present study, 82 isolates were screened from healthy Chinese fecal samples on a basal salt medium supplemented with TMA as sole carbon source...
May 17, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28507485/the-influence-of-dietary-immunomodulatory-factors-on-development-of-food-allergy-in-children
#17
REVIEW
Izabela Sardecka, Aneta Krogulska, Ewa Toporowska-Kowalska
In the last few years many studies have been conducted on the role of dietary and environmental factors in the prevention of allergic diseases among children. Many studies have shown that the diet of pregnant women and children in their early postnatal life, rich in antioxidants, vitamin D, and fatty acids is beneficial as it reduces the risk of allergy in their future life. Moreover, there are many reports about the main role of gut microbiota and probiotics in the allergy prevention, what can indicate new ways of procedures in allergic diseases...
April 2017: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/28507013/mechanisms-of-action-of-probiotics-and-the-gastrointestinal-microbiota-on-gut-motility-and-constipation
#18
REVIEW
Eirini Dimidi, Stephanos Christodoulides, S Mark Scott, Kevin Whelan
Constipation is a common and burdensome gastrointestinal disorder that may result from altered gastrointestinal motility. The effect of probiotics on constipation has been increasingly investigated in both animal and human studies, showing promising results. However, there is still uncertainty regarding the mechanisms of action of probiotics on gut motility and constipation. Several factors are vital to normal gut motility, including immune and nervous system function, bile acid metabolism and mucus secretion, and the gastrointestinal microbiota and fermentation; an imbalance or dysfunction in any of these components may contribute to aberrant gut motility and, consequently, symptoms of constipation...
May 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28505101/dairy-propionibacteria-versatile-probiotics
#19
REVIEW
Houem Rabah, Fillipe Luiz Rosa do Carmo, Gwénaël Jan
Dairy propionibacteria are used as cheese ripening starters, as biopreservative and as beneficial additives, in the food industry. The main species, Propionibacterium freudenreichii, is known as GRAS (Generally Recognized As Safe, USA, FDA). In addition to another dairy species, Propionibacterium acidipropionici, they are included in QPS (Qualified Presumption of Safety) list. Additional to their well-known technological application, dairy propionibacteria increasingly attract attention for their promising probiotic properties...
May 13, 2017: Microorganisms
https://www.readbyqxmd.com/read/28504581/bacillus-coagulans-gbi-30-6086-increases-plant-protein-digestion-in-a-dynamic-computer-controlled-in-vitro-model-of-the-small-intestine-tim-1
#20
D Keller, R Van Dinter, H Cash, S Farmer, K Venema
The aim of this study was to assess the potential of the probiotic Bacillus coagulans GBI-30, 6086 [GanedenBC(30)] (BC30) to aid in protein digestion of alimentary plant proteins. To test this, three plant proteins, from pea, soy and rice, were digested in a validated in vitro model of the stomach and small intestine (TIM-1) in the absence and in the presence of BC30. Samples were taken from the TIM-1 fractions that mimic uptake of amino acids by the host and analysed for α-amino nitrogen (AAN) and total nitrogen (TN)...
May 15, 2017: Beneficial Microbes
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