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Gut, microbiota, bacteria, probiotics

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https://www.readbyqxmd.com/read/29777375/a-comparison-of-the-effects-of-antibiotics-probiotics-synbiotics-and-prebiotics-on-the-performance-and-carcass-characteristics-of-broilers
#1
Vahid Tayeri, Alireza Seidavi, Leila Asadpour, Clive J C Phillips
Routine use of the antibiotic flavomycin in broiler production may lead to resistance, and alternative growth promoters are used to enhance performance. Two hundred day-old male Ross 308 broiler chicks were allocated to five dietary supplements included from d 1-42: flavomycin, three possible alternatives, a probiotic, prebiotic and a synbiotic, as well as a control treatment. There were four replicate cages of 10 birds each in each treatment. Compared with the control and antibiotics treatments, the probiotic, prebiotic and synbiotic treatments increased (p = 0...
May 18, 2018: Veterinary Research Communications
https://www.readbyqxmd.com/read/29773467/human-microbiome-restoration-and-safety
#2
REVIEW
Eric Banan-Mwine Daliri, Charles Nkufi Tango, Byong H Lee, Deog-Hwan Oh
The human gut microbiome consists of many bacteria which are in symbiotic relationship with human beings. The gut microbial metabolism, as well as the microbial-host co-metabolism, has been found to greatly influence health and disease. Factors such as diet, antibiotic use and lifestyle have been associated with alterations in the gut microbial community and may result in several pathological conditions. For this reason, several strategies including fecal microbiota transplant and probiotic administration have been applied and proven to be feasible and effective in restoring the gut microbiota in humans...
May 9, 2018: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/29772753/dietary-polysaccharide-from-enteromorpha-clathrata-modulates-gut-microbiota-and-promotes-the-growth-of-akkermansia-muciniphila-bifidobacterium-spp-and-lactobacillus-spp
#3
Qingsen Shang, Ya Wang, Lin Pan, Qingfeng Niu, Chao Li, Hao Jiang, Chao Cai, Jiejie Hao, Guoyun Li, Guangli Yu
Recently, accumulating evidence has suggested that Enteromorpha clathrata polysaccharide (ECP) could contribute to the treatment of diseases. However, as a promising candidate for marine drug development, although ECP has been extensively studied, less consideration has been given to exploring its effect on gut microbiota. In this light, given the critical role of gut microbiota in health and disease, we investigated here the effect of ECP on gut microbiota using 16S rRNA high-throughput sequencing. As revealed by bioinformatic analyses, ECP considerably changed the structure of the gut microbiota and significantly promoted the growth of probiotic bacteria in C57BL/6J mice...
May 17, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29772287/probiotics-and-nutraceuticals-as-a-new-frontier-in-obesity-prevention-and-management
#4
N Kobyliak, T Falalyeyeva, N Boyko, O Tsyryuk, T Beregova, L Ostapchenko
INTRODUCTION: The beneficial interaction between the microbiota and humans is how bacteria contained within the gut 'talk' to the immune system and in this landscape, probiotics and nutraceuticals play a major role. The study aims to determine whether probiotics plus nutraceuticals such as smectite or omega-3 are superior to probiotic alone on the monosodium glutamate (MSG) induced obesity model in rats. METHODS: Totally, 75 rats divided into five groups were included (n=15, in each)...
May 14, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29721832/core-gut-microbiota-in-jinhua-pigs-and-its-correlation-with-strain-farm-and-weaning-age
#5
Hua Yang, Yingping Xiao, Junjun Wang, Yun Xiang, Yujie Gong, Xueting Wen, Defa Li
Gut microbial diversity and the core microbiota of the Jinhua pig, which is a traditional, slow-growing Chinese breed with a high body-fat content, were examined from a total of 105 fecal samples collected from 6 groups of pigs at 3 weaning ages that originated from 2 strains and were raised on 3 different pig farms. The bacterial community was analyzed following high-throughput pyrosequencing of 16S rRNA genes, and the fecal concentrations of short-chain fatty acids (SCFAs) were measured by gas chromatograph...
May 2018: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/29713909/effects-of-rifaximin-on-central-responses-to-social-stress-a-pilot-experiment
#6
Huiying Wang, Christoph Braun, Paul Enck
Probiotics that promote the gut microbiota have been reported to reduce stress responses, and improve memory and mood. Whether and how antibiotics that eliminate or inhibit pathogenic and commensal gut bacteria also affect central nervous system functions in humans is so far unknown. In a double-blinded randomized study, 16 healthy volunteers (27.00 ± 1.60 years; 9 males) received either rifaximin (600 mg/day) (a poorly absorbable antibiotic) or placebo for 7 days. Before and after the drug intervention, brain activities during rest and during a social stressor inducing feelings of exclusion (Cyberball game) were measured using magnetoencephalography...
April 30, 2018: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/29713315/oral-administration-of-probiotics-increases-paneth-cells-and-intestinal-antimicrobial-activity
#7
Silvia I Cazorla, Carolina Maldonado-Galdeano, Ricardo Weill, Juan De Paula, Gabriela D V Perdigón
The huge amount of intestinal bacteria represents a continuing threat to the intestinal barrier. To meet this challenge, gut epithelial cells produce antimicrobial peptides (AMP) that act at the forefront of innate immunity. We explore whether this antimicrobial activity and Paneth cells, the main intestinal cell responsible of AMP production, are influenced by probiotics administration, to avoid the imbalance of intestinal microbiota and preserve intestinal barrier. Administration of Lactobacillus casei CRL 431 (Lc 431) and L...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29706322/multiplex-pcr-identification-and-culture-independent-quantification-of-bacillus-licheniformis-by-qpcr-using-specific-dna-markers
#8
Eduarda Almeida, Cláudia R Serra, Pedro Albuquerque, Inês Guerreiro, Aires Oliva Teles, Paula Enes, Fernando Tavares
Probiotics benefits in fish farming have been usually inferred appraising the effects observed on the host and not through the direct assessment of probiotic dynamics in the host gut microbiota. To overcome this gap, quantitative PCR (qPCR) can be a powerful approach to study the bacterial dynamics in fish gut microbiota. The presented work proposes four B. licheniformis-specific DNA markers and details a qPCR method to track putative probiotics B. licheniformis on fish gut. The four B. licheniformis-specific DNA markers - BL5B (hypothetical protein BL00303), BL8A (serA2), BL13C (rfaB) and BL18A (ligD) - were selected and validated by PCR and multiplex-PCR with 20 B...
September 2018: Food Microbiology
https://www.readbyqxmd.com/read/29698369/current-and-future-uses-of-probiotics
#9
Georgia Tanner, Kacie Matthews, Hannah Roeder, Maggie Konopasek, Adrienne Bussard, Tanya Gregory
The relationship between host and gut microbiota has been the topic of research in recent decades, with particular emphasis on various species of bacteria and their distinct role in health promotion. Early promising research led to the new term probiotic, coined to describe these beneficial bacteria. This early research has laid the foundation for various proposed mechanisms of probiotic effects on health. This article describes current areas of established probiotic use and introduces areas of current investigation, including psychobiotics, which may help patients suffering from psychiatric illness...
May 2018: JAAPA: Official Journal of the American Academy of Physician Assistants
https://www.readbyqxmd.com/read/29694952/dysbiosis-in-functional-bowel-disorders
#10
Paul Enck, Nazar Mazurak
Functional bowel disorders (FBD) resemble a group of diseases of the gastrointestinal (GI) tract that are without a clear pathogenesis; the best known is probably the "irritable bowel syndrome" (IBS). Only recently we have been able to explore the role of the gut microbiota in FBD due to progress in microbiological analytic techniques. There are different ways to explore the role of the gut microbiota and its dysbiosis in FBD. Comparison of the microbial composition in a group of patients with FBD, for example, with IBS to a group of healthy volunteers is one way...
April 25, 2018: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/29693729/inflammatory-bowel-disease-and-immunonutrition-novel-therapeutic-approaches-through-modulation-of-diet-and-the-gut-microbiome
#11
REVIEW
Larissa S Celiberto, Franziska A Graef, Genelle R Healey, Else S Bosman, Kevan Jacobson, Laura M Sly, Bruce A Vallance
Inflammatory Bowel Disease (IBD) is a chronic inflammatory condition of the gastrointestinal tract, thought to at least in part reflect an aberrant immune response to gut bacteria. IBD is increasing in incidence, particularly in populations that have recently immigrated to Western countries. This suggests that environmental factors are involved in its pathogenesis. We hypothesize that the increase in IBD rates might reflect the consumption of an unhealthy Western diet, containing excess calories and lacking in key nutritional factors, such as fiber and vitamin D...
April 25, 2018: Immunology
https://www.readbyqxmd.com/read/29688915/clinical-and-microbiological-effect-of-a-multispecies-probiotic-supplementation-in-celiac-patients-with-persistent-ibs-type-symptoms-a-randomized-double-blind-placebo-controlled-multicenter-trial
#12
Ruggiero Francavilla, Maria Piccolo, Antonio Francavilla, Lorenzo Polimeno, Francesco Semeraro, Fernanda Cristofori, Stefania Castellaneta, Michele Barone, Flavia Indrio, Marco Gobbetti, Maria De Angelis
GOALS: The goals of this study were to evaluate the efficacy and safety of a probiotic mixture in patients with celiac disease (CD) with irritable bowel syndrome (IBS)-type symptoms despite a strict gluten-free diet (GFD). BACKGROUND: About 30% of patients with CD adherent to a GFD suffer from IBS-type symptoms; a possible cause resides in the imbalances of the intestinal microbiota in CD. Probiotics may represent a potential treatment. STUDY: CD patients with IBS-type symptoms entered a prospective, double-blind, randomized placebo-controlled study...
April 23, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29684976/pharmabiotic-manipulation-of-the-microbiota-in-gastrointestinal-disorders-a-clinical-perspective
#13
Fanny Giron, Eamonn M M Quigley
The advent and widespread availability of high-throughput technology has revolutionized the assessment of the communities of microorganisms that inhabit the gastrointestinal tract - the gut microbiota. As our understanding of the role of the microbiota in health and human disease increases so to do efforts to prevent and treat disease through the modulation of the microbiota. Several strategies are available to us and range from time honored approaches, such as antibiotics and probiotics, to changes in diet, the administration of prebiotics as food supplements and fecal microbiota transplantation...
April 24, 2018: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/29675053/the-potential-effect-of-chinese-herbal-formula-hongqijiangzhi-fang-in-improving-nafld-focusing-on-nlrp3-inflammasome-and-gut-microbiota
#14
Shu Liang, Yupei Zhang, Yuanjun Deng, Yifang He, Yinji Liang, Zien Liang, Yanning Chen, Kairui Tang, Runsen Chen, Qinhe Yang
The present study investigates the potential therapeutic mechanism underlying the effects of the Chinese herbal formula Hongqijiangzhi Fang (HJF) on nonalcoholic fatty liver disease (NAFLD) in rats. Male Sprague Dawley (SD) rats were randomly divided into 4 groups ( n = 8): control group was fed a normal diet, three other groups were fed high-fat diets (HFD), and the two treatment groups were intragastrically given a compound probiotic or HJF during the molding time. After 16 w, related indices were detected...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29674267/anti-inflammatory-effect-of-multistrain-probiotic-formulation-l-rhamnosus-b-lactis-and-b-longum
#15
Marzia Sichetti, Stefania De Marco, Rita Pagiotti, Giovanna Traina, Donatella Pietrella
OBJECTIVE: In recent years, a great number of studies have been directed toward the evaluation of gastrointestinal microbiota modulation through the introduction of beneficial microorganisms, also known as probiotics. Many studies have highlighted how this category of bacteria is very important for the good development, functioning, and maintenance of our immune system. There is a delicate balance between the immune system, located under the gut epithelial barrier, and the microbiota, but many factors can induce a disequilibrium that leads to an inflammatory state and dysbiosis...
February 14, 2018: Nutrition
https://www.readbyqxmd.com/read/29672196/the-effects-of-synbiotic-supplementation-on-body-mass-index-metabolic-and-inflammatory-biomarkers-and-appetite-in-patients-with-metabolic-syndrome-a-triple-blind-randomized-controlled-trial
#16
Samira Rabiei, Mehdi Hedayati, Bahram Rashidkhani, Navid Saadat, Rahebeh Shakerhossini
It has been shown recently that metabolic syndrome is associated with gut dysbiosis. The gut microbiota may be the main target for prevention or treatment of metabolic syndrome. We investigated the effects of synbiotic supplementation on metabolic syndrome. In this triple-blinded clinical trial, 46 Iranian patients with metabolic syndrome, from both sexes, aged 25-70 years, who fulfilled inclusion criteria were randomly categorized to receive either the synbiotic or a placebo capsule, twice a day for three months, plus a weight-loss diet using stratified random sampling based on body mass index (BMI)...
April 19, 2018: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29670255/a-combination-of-lactobacillus-mali-aps1-and-dieting-improved-the-efficacy-of-obesity-treatment-via-manipulating-gut-microbiome-in-mice
#17
Yung-Tsung Chen, Ning-Sun Yang, Yu-Chun Lin, Shang-Tse Ho, Kuan-Yi Li, Jin-Seng Lin, Je-Ruei Liu, Ming-Ju Chen
The difficulty of long-term management has produced a high rate of failure for obesity patients. Therefore, improving the efficacy of current obesity treatment is a significant goal. We hypothesized that combining a probiotic Lactobacillus mali APS1 intervention with dieting could improve the efficacy of obesity and hepatic steatosis treatment compared to dieting alone. Mice were fed a high-fat diet for 6 weeks and then treated with: saline + normal diet and APS1 + normal diet (NDAPS1) for 3 weeks. NDAPS1 accelerated body weight loss and reduced caloric intake and fat accumulation...
April 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29660942/the-role-of-the-gut-microbiota-in-the-metabolism-of-polyphenols-as-characterized-by-gnotobiotic-mice
#18
Giulio Maria Pasinetti, Risham Singh, Susan Westfall, Francis Herman, Jeremiah Faith, Lap Ho
A growing body of experimental data suggests that microbes in the gut influence behavior and can alter brain physiology and neurochemistry. Although promising, researchers are only starting to understand the potential of the gut microbiota for use in neurological disease. Recent evidence demonstrated that gastrointestinal activities are linked to mood disorders such as anxiety, depression, and most recently, cognitive functions in age-related neurodegenerative disorders. Studies from our group and others are uncovering new evidence suggesting that the gut microbiota plays a crucial role in the metabolism and bioavailability of certain dietary compounds and synthetic drugs...
April 11, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29653359/the-role-of-the-gut-microbiota-in-the-pathology-and-prevention-of-liver-disease
#19
REVIEW
Alejandra Altamirano-Barrera, Misael Uribe, Norberto C Chávez-Tapia, Natalia Nuño-Lámbarri
Several microorganisms belonging to the intestinal microbiota act in an ecosystem responsible for maintaining the homeostasis and vital functions of human beings. From birth to old age the diversity of the intestinal microbiota may change due to environmental factors such as nutrition, immunity, diseases or the use of antibiotics leading to dysbiosis. Improvement in microbiota diversity can be achieved by modifying related risk factors through changes in lifestyle and a healthy diet. Besides, the addition of probiotics, prebiotics or the combination of both (symbiotics), can result in the improvement of the intestinal permeability, inflammatory pathways and the immune system...
March 16, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29648971/anti-inflammatory-effects-of-a-mixture-of-lactic-acid-bacteria-and-sodium-butyrate-in-atopic-dermatitis-murine-model
#20
Jeong A Kim, Sung-Hak Kim, In Sung Kim, Da Yoon Yu, Sung Chan Kim, Seung Ho Lee, Sang Suk Lee, Cheol-Heui Yun, In Soon Choi, Kwang Keun Cho
Atopic dermatitis is a chronic and recurrent inflammatory skin disease. Recently, probiotics have been shown to suppress allergic symptoms through immunomodulatory responses. In the present study, combinatorial effects on allergic symptoms were identified in BALB/c mice fed with a mixture of four species of probiotics, Bifidobacterium lactis, Lactobacillus casei, Lactobacillus rhamnosus, and Lactobacillus plantarum, and sodium butyrate. Following sensitization with whey protein, the mice were challenged and divided into two groups: (1) mice administered with phosphate-buffered saline as a control and (2) mice administered with the probiotic mixture and sodium butyrate...
March 20, 2018: Journal of Medicinal Food
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