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Probiotics microbiome

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https://www.readbyqxmd.com/read/29679417/a-probiotic-modulates-the-microbiome-and-immunity-in-multiple-sclerosis
#1
Stephanie K Tankou, Keren Regev, Brian C Healy, Emily Tjon, Luca Laghi, Laura M Cox, Pia Kivisäkk, Isabelle V Pierre, Hrishikesh Lokhande, Roopali Gandhi, Sandra Cook, Bonnie Glanz, James Stankiewicz, Howard L Weiner
OBJECTIVE: Effect of a probiotic on the gut microbiome and peripheral immune function in healthy controls and relapsing-remitting multiple sclerosis (RRMS) patients. METHODS: MS patients (N=9) and controls (N=13) were orally administered a probiotic containing Lactobacillus, Bifidobacterium and Streptococcus twice daily for two months. Blood and stool specimens were collected at baseline, after completion of the 2-month treatment, and 3 months after discontinuation of therapy...
April 20, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29676446/an-approach-on-the-potential-use-of-probiotics-in-the-treatment-of-skin-conditions-acne-and-atopic-dermatitis
#2
REVIEW
Vitória H M Mottin, Edna S Suyenaga
Acne and Atopic Dermatitis (AD) are chronic inflammatory skin conditions with severe impact on a patient's life. Current treatments are related to adverse effects and do not represent a definitive cure. The present paper reviews the alterations in skin microbiome, specifically in acne and AD, and aims in searching for potential treatments based on benefic microorganisms, called probiotics. The review was made through bibliographic search of the main databases (Science Direct, PubMed, Scielo, Medline) between September 2015 and June 2016...
April 20, 2018: International Journal of Dermatology
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
#3
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/29668558/archaea-microbial-candidates-in-next-generation-probiotics-development
#4
Jean-François Brugère, Wajdi Ben Hania, Marie-Edith Arnal, Céline Ribière, Nathalie Ballet, Pascal Vandeckerkove, Bernard Ollivier, Paul W O'Toole
Pharmabiotics and probiotics in current use or under development belong to 2 of 3 domains of life, Eukarya (eg, yeasts) and Bacteria (eg, lactobacilli). Archaea constitute a third domain of life, and are currently not used as probiotics, despite several interesting features. This includes the absence of known pathogens in humans, animals, or plants and the existence of some archaea closely associated to humans in various microbiomes. We promote the concept that some specific archaea that naturally thrive in the human gut are potential next-generation probiotics that can be rationally selected on the basis of their metabolic phenotype not being encountered in other human gut microbes, neither Bacteria nor Eukarya...
April 17, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29657964/vive-la-persistence-engineering-human-microbiomes-in-the-21st-century
#5
Katrine L Whiteson
I imagine a future in which children grow up with healthy microbial communities. Engineering human microbiomes might actually be achievable in the near future, as we enter an era of hunting for human-adapted bacterial strains and phages. Furthermore, breath metabolites could allow us to track whether a probiotic colonizes persistently or a phage has knocked down a microbe of interest. Recent successes with probiotics, such as bifidobacteria that can break down human milk oligosaccharides, are making a future in which infants are intentionally colonized with health-promoting strains seem less unlikely...
March 2018: MSystems
https://www.readbyqxmd.com/read/29625981/a-consistent-and-predictable-commercial-broiler-chicken-bacterial-microbiota-in-antibiotic-free-production-displays-strong-correlations-with-performance
#6
Timothy J Johnson, Bonnie P Youmans, Sally Noll, Carol Cardona, Nicholas P Evans, T Peter Karnezos, John M Ngunjiri, Michael C Abundo, Chang-Won Lee
Defining the baseline bacterial microbiome is critical towards understanding its relationship with health and disease. In broiler chickens, the core microbiome and its possible relationships with health and disease have been difficult to define due to high variability between birds and flocks. Presented are data from a large, comprehensive microbiota-based study in commercial broilers. The primary goals of this study included understanding what constitutes the core bacterial microbiota in the broiler gastrointestinal, respiratory, and barn environments; how these core players change across age, geography, and time; and which bacterial taxa correlate with enhanced bird performance in antibiotic-free flocks...
April 6, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29614774/the-brain-intestinal-mucosa-appendix-microbiome-brain-loop
#7
Luis Vitetta, Gemma Vitetta, Sean Hall
The brain and the gut are connected from early fetal life. The mother's exposure to microbial molecules is thought to exert in utero developmental effects on the fetus. These effects could importantly underpin the groundwork for subsequent pathophysiological mechanisms for achieving immunological tolerance and metabolic equilibrium post birth, events that continue through to 3-4 years of age. Furthermore, it is understood that the microbiome promotes cues that instruct the neonate's mucosal tissues and skin in the language of molecular and cellular biology...
April 1, 2018: Diseases (Basel)
https://www.readbyqxmd.com/read/29594974/emerging-therapies-for-acne-vulgaris
#8
REVIEW
Megha K Trivedi, Suzana S Bosanac, Raja K Sivamani, Larissa N Larsen
As we gain a greater understanding of acne pathogenesis, both new agents as well as new uses for established drugs are being considered for the treatment of acne vulgaris. Multiple clinical trials assessing new formulations or combinations of established acne treatments have been conducted, and novel uses of antimicrobials such as modified diallyl disulfide oxide and nitric oxide are being assessed in clinical trials. There are also a multitude of new therapies currently being studied that target the inflammatory cascade of acne pathogenesis, including sebosuppressive and anti-inflammatory phytochemicals, and  small molecule inhibitors targeting sebaceous glands and enzymes, among others...
March 29, 2018: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/29563432/probiotics-a-promising-role-in-dental-health
#9
REVIEW
Sari A Mahasneh, Adel M Mahasneh
Probiotics have a role in maintaining oral health through interaction with oral microbiome, thus contributing to healthy microbial equilibrium. The nature and composition of any individual microbiome impacts the general health, being a major contributor to oral health. The emergence of drug resistance and the side effects of available antimicrobials have restricted their use in an array of prophylactic options. Indeed, some new strategies to prevent oral diseases are based on manipulating oral microbiota, which is provided by probiotics...
September 27, 2017: Dentistry journal
https://www.readbyqxmd.com/read/29556852/genomic-and-physiological-analyses-of-an-indigenous-strain-enterococcus-faecium-17om39
#10
Vikas C Ghattargi, Yogesh S Nimonkar, Shaunak A Burse, Dimple Davray, Shreyas V Kumbhare, Sudarshan A Shetty, Meghana A Gaikwad, Mangesh V Suryavanshi, Swapnil P Doijad, Bhimashankar Utage, Om Prakash Sharma, Yogesh S Shouche, Bharati S Meti, Shrikant P Pawar
The human gut microbiome plays a crucial role in human health and efforts need to be done for cultivation and characterisation of bacteria with potential health benefits. Here, we isolated a bacterium from a healthy Indian adult faeces and investigated its potential as probiotic. The cultured bacterial strain 17OM39 was identified as Enterococcus faecium by 16S rRNA gene sequencing. The strain 17OM39 exhibited tolerance to acidic pH, showed antimicrobial activity and displayed strong cell surface traits such as hydrophobicity and autoaggregation capacity...
March 19, 2018: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/29556373/studying-microbial-functionality-within-the-gut-ecosystem-by-systems-biology
#11
REVIEW
Bastian Hornung, Vitor A P Martins Dos Santos, Hauke Smidt, Peter J Schaap
Humans are not autonomous entities. We are all living in a complex environment, interacting not only with our peers, but as true holobionts; we are also very much in interaction with our coexisting microbial ecosystems living on and especially within us, in the intestine. Intestinal microorganisms, often collectively referred to as intestinal microbiota, contribute significantly to our daily energy uptake by breaking down complex carbohydrates into simple sugars, which are fermented to short-chain fatty acids and subsequently absorbed by human cells...
2018: Genes & Nutrition
https://www.readbyqxmd.com/read/29547587/dietary-alteration-of-the-gut-microbiome-and-its-impact-on-weight-and-fat-mass-a-systematic-review-and-meta-analysis
#12
REVIEW
George Kunnackal John, Lin Wang, Julie Nanavati, Claire Twose, Rajdeep Singh, Gerard Mullin
Dietary alteration of the gut microbiome is an important target in the treatment of obesity. Animal and human studies have shown bidirectional weight modulation based on the probiotic formulation used. In this study, we systematically reviewed the literature and performed a meta-analysis to assess the impact of prebiotics, probiotics and synbiotics on body weight, body mass index (BMI) and fat mass in adult human subjects. We searched Medline (PubMed), Embase, the Cochrane Library and the Web of Science to identify 4721 articles, of which 41 were subjected to full-text screening, yielding 21 included studies with 33 study arms...
March 16, 2018: Genes
https://www.readbyqxmd.com/read/29534604/effect-of-an-enterococcus-faecium-probiotic-on-specific-iga-following-live-salmonella-enteritidis-vaccination-of-layer-chickens
#13
Breno C B Beirão, Max Ingberman, Celso Fávaro, Dany Mesa, Letícia C Bittencourt, Vitor B Fascina, Luiz Felipe Caron
Probiotics and immunization are being widely adopted by the poultry industry with the goal of controlling Salmonella enterica. However, the interaction between these two management protocols has been sparsely studied. The present study aimed to understand the role of an Enterococcus faecium probiotic in the production of salmonella-specific IgA in layers immunized with a live vaccine. Four groups were used: "Control" (no vaccine or probiotic); "Probiotic" (which received an E. faecium product); "Vaccine" (immunized with two doses of a live attenuated S...
April 6, 2018: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/29533463/parturition-and-the-perinatal-period-can-mode-of-delivery-impact-on-the-future-health-of-the-neonate
#14
R M Tribe, P D Taylor, N M Kelly, D Rees, J Sandall, H P Kennedy
Caesarean section and instrumental delivery rates are increasing in many parts of the world for a range of cultural and medical reasons, with limited consideration as to how 'mode of delivery' may impact on childhood and long-term health. However, babies born particularly by pre-labour caesarean section appear to have a subtly different physiology from those born by normal vaginal delivery, with both acute and chronic complications such as respiratory and cardio-metabolic morbidities being apparent. It has been hypothesized that inherent mechanisms within the process of labour and vaginal delivery, far from being a passive mechanical process by which the fetus and placenta are expelled from the birth canal, may trigger certain protective developmental processes permissive for normal immunological and physiological development of the fetus postnatally...
March 13, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29524863/the-gut-microbiome-and-elevated-cardiovascular-risk-in-obesity-and-autoimmunity
#15
REVIEW
Lora J Kasselman, Nicholas A Vernice, Joshua DeLeon, Allison B Reiss
Cardiovascular disease associated with obesity and autoimmunity is the leading cause of death in these populations and significant residual risk remains despite current treatment approaches. Obesity, type 1 diabetes mellitus (T1DM), rheumatoid arthritis (RA), and systemic lupus erythematosus (SLE) are linked to chronic inflammation, and subjects with these disorders have characteristic shifts in their gut microbiome composition. Recent data suggest that alterations in gut microbial and metabolic composition may be responsible, in part, for induction of chronic inflammation, thus promoting cardiovascular disease...
April 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29523750/altered-microbiome-in-chronic-kidney-disease-systemic-effects-of-gut-derived-uremic-toxins
#16
REVIEW
Wei Ling Lau, Javad Savoj, Michael B Nakata, Nosratola D Vaziri
In chronic kidney disease (CKD), influx of urea and other retained toxins exerts a change in the gut microbiome. There is decreased number of beneficial bacteria that produce short-chain fatty acids, an essential nutrient for the colonic epithelium, concurrent with an increase in bacteria that produce uremic toxins such as indoxyl sulphate, p -cresyl sulphate, and trimethylamine-N-oxide (TMAO). Due to intestinal wall inflammation and degradation of intercellular tight junctions, gut-derived uremic toxins translocate into the bloodstream and exert systemic effects...
March 15, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29521671/probiotics-in-digestive-emotional-and-pain-related-disorders
#17
Pablo Roman, Raquel Abalo, Eva M Marco, Diana Cardona
In recent years, interest in the relationship between gut microbiota and disease states has grown considerably. Indeed, several strategies have been employed to modify the microbiome through the administration of different diets, by the administration of antibiotics or probiotics, or even by transplantation of feces. In the present manuscript, we focus specifically on the potential application of probiotics, which seem to be a safe strategy, in the management of digestive, pain, and emotional disorders. We present evidence from animal models and human studies, notwithstanding that translation to clinic still deserves further investigation...
April 2018: Behavioural Pharmacology
https://www.readbyqxmd.com/read/29515679/role-of-diet-in-influencing-rheumatoid-arthritis-disease-activity
#18
REVIEW
Humeira Badsha
Background: Patients with Rheumatoid Arthritis (RA) frequently ask their doctors about which diets to follow, and even in the absence of advice from their physicians, many patients are undertaking various dietary interventions. Discussion: However, the role of dietary modifications in RA is not well understood. Several studies have tried to address these gaps in our understanding. Intestinal microbial modifications are being studied for the prevention and management of RA...
2018: Open Rheumatology Journal
https://www.readbyqxmd.com/read/29515537/intra-species-genomic-and-physiological-variability-impact-stress-resistance-in-strains-of-probiotic-potential
#19
Jason W Arnold, Joshua B Simpson, Jeffrey Roach, Jakub Kwintkiewicz, M Andrea Azcarate-Peril
Large-scale microbiome studies have established that most of the diversity contained in the gastrointestinal tract is represented at the strain level; however, exhaustive genomic and physiological characterization of human isolates is still lacking. With increased use of probiotics as interventions for gastrointestinal disorders, genomic and functional characterization of novel microorganisms becomes essential. In this study, we explored the impact of strain-level genomic variability on bacterial physiology of two novel human Lactobacillus rhamnosus strains (AMC143 and AMC010) of probiotic potential in relation to stress resistance...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29500262/a-gene-homolog-to-rrna-methylases-confers-erythromycin-and-clindamycin-resistance-in-bifidobacterium-breve
#20
Noelia Martínez, Roberto Luque, Christian Milani, Marco Ventura, Oscar Bañuelos, Abelardo Margolles
Bifidobacteria are mutualistic intestinal bacteria and their presence in the human gut has been associated with health-promoting activities. The presence of antibiotic resistance genes in this genus is controversial, since, although bifidobacteria are non-pathogenic microorganisms, they could serve as reservoirs of resistance for intestinal pathogens. However, until now, few antibiotic resistance determinants have been functionally characterized in this genus. In this work, we show that Bifidobacterium breve CECT7263 displays atypical resistance to erythromycin and clindamycin...
March 2, 2018: Applied and Environmental Microbiology
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