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Microbiome probiotics

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https://www.readbyqxmd.com/read/29787855/dysbiosis-of-microbiome-and-probiotic-treatment-in-a-genetic-model-of-autism-spectrum-disorders
#1
Tabouy Laure, Getselter Dimitry, Ziv Oren, Karpuj Marcela, Tabouy Timothée, Maayouf Rasha, Werbner Nir, Ben-Amram Hila, Nuriel-Ohayon Meital, Koren Omry, Elliott Evan
Recent studies have determined that the microbiome has direct effects on behavior, and may be dysregulated in neurodevelopmental conditions. Considering that neurodevelopmental conditions, such as autism, have a strong genetic etiology, it is necessary to understand if genes associated with neurodevelopmental disorders, such as Shank3, can influence the gut microbiome, and if probiotics can be a therapeutic tool. In this study, we have identified dysregulation of several genera and species of bacteria in the gut and colon of both male and female Shank3 KO mice...
May 19, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29787290/amalgamation-of-polyphenols-and-probiotics-induce-health-promotion
#2
Arpita Banerjee, Pubali Dhar
The residing microbiome with its vast repertoire of genes provide distinctive properties to the host by which they can degrade and utilise nutrients that otherwise pass the gastro-intestinal tract unchanged. The polyphenols in our diet have selective growth promoting effects which is of utmost importance as the state of good health has been linked to dominance of particular microbial genera. The polyphenols in native form might more skilfully exert anti-oxidative and anti-inflammatory properties but in a living system it is the microbial derivatives of polyphenol that play a key role in determining health outcome...
May 22, 2018: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29773467/human-microbiome-restoration-and-safety
#3
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/29767727/effects-of-long-term-intake-of-a-yogurt-fermented-with-lactobacillus-delbrueckii-subsp-bulgaricus-2038-and-streptococcus-thermophilus-1131-on-mice
#4
Yuki Usui, Yasumasa Kimura, Takeshi Satoh, Naoki Takemura, Yasuo Ouchi, Hiroko Ohmiya, Kyosuke Kobayashi, Hiromi Suzuki, Satomi Koyama, Satoko Hagiwara, Hirotoshi Tanaka, Seiya Imoto, Gérard Eberl, Yukio Asami, Kosuke Fujimoto, Satoshi Uematsu
The gut is an extremely complicated ecosystem where microorganisms, nutrients and host cells interact vigorously. Although the function of the intestine and its barrier system weakens with age, some probiotics can potentially prevent age-related intestinal dysfunction. Lactobacillus delbrueckii subsp. bulgaricus 2038 and Streptococcus thermophilus 1131, which are the constituents of LB81 yogurt, are representative probiotics. However, it is unclear whether their long-term intake has a beneficial influence on systemic function...
May 15, 2018: International Immunology
https://www.readbyqxmd.com/read/29766049/interleukin-1%C3%AE-deficient-mice-have-an-altered-gut-microbiota-leading-to-protection-from-dextran-sodium-sulfate-induced-colitis
#5
Moran Nunberg, Nir Werbner, Hadar Neuman, Marina Bersudsky, Alex Braiman, Moshe Ben-Shoshan, Meirav Ben Izhak, Yoram Louzoun, Ron N Apte, Elena Voronov, Omry Koren
Inflammatory bowel diseases (IBD) are a group of chronic inflammatory disorders of the intestine, with as-yet-unclear etiologies, affecting over a million people in the United States alone. With the emergence of microbiome research, numerous studies have shown a connection between shifts in the gut microbiota composition (dysbiosis) and patterns of IBD development. In a previous study, we showed that interleukin 1α (IL-1α) deficiency in IL-1α knockout (KO) mice results in moderate dextran sodium sulfate (DSS)-induced colitis compared to that of wild-type (WT) mice, characterized by reduced inflammation and complete healing, as shown by parameters of weight loss, disease activity index (DAI) score, histology, and cytokine expression...
May 2018: MSystems
https://www.readbyqxmd.com/read/29762542/correction-vitetta-l-et-al-adjuvant-probiotics-and-the-intestinal-microbiome-enhancing-vaccines-and-immunotherapy-outcomes-vaccines-2017-5-50
#6
Luis Vitetta, Emma Tali Saltzman, Michael Thomsen, Tessa Nikov, Sean Hall
The authors wish to make the following corrections to this paper due to a typesetting error in the conclusion of this article which was recently published in Vaccines.
May 15, 2018: Vaccines
https://www.readbyqxmd.com/read/29750772/the-ins-and-outs-of-an-outside-in-view-of-allergies-atopic-dermatitis-and-allergy-prevention
#7
Marcus Shaker, Robert G P Murray, Julianne A Mann
PURPOSE OF REVIEW: The skin barrier is a dynamic innate immune organ. This review summarizes the current understanding of how deficiencies associated with atopic dermatitis invite other atopic disorders of the allergic march. RECENT FINDINGS: Atopic dermatitis is characterized by skin barrier defects (such as mutations in filaggrin), intrinsic proallergic T-helper cell 2 immune dysregulation, and skin microbiome alterations. These factors promote the development of food allergy and asthma...
May 9, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29748817/the-role-of-the-microbiome-for-human-health-from-basic-science-to-clinical-applications
#8
M Hasan Mohajeri, Robert J M Brummer, Robert A Rastall, Rinse K Weersma, Hermie J M Harmsen, Marijke Faas, Manfred Eggersdorfer
The 2017 annual symposium organized by the University Medical Center Groningen in The Netherlands focused on the role of the gut microbiome in human health and disease. Experts from academia and industry examined interactions of prebiotics, probiotics, or vitamins with the gut microbiome in health and disease, the development of the microbiome in early-life and the role of the microbiome on the gut-brain axis. The gut microbiota changes dramatically during pregnancy and intrinsic factors (such as stress), in addition to extrinsic factors (such as diet, and drugs) influence the composition and activity of the gut microbiome throughout life...
May 10, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29746379/factors-influencing-the-intestinal-microbiome-during-the-first-year-of-life
#9
Petra Zimmermann, Nigel Curtis
The intestinal microbiome plays a crucial role in the development of the immune system and regulation of immune responses. Many factors influence the composition of the infant intestinal microbiome and therefore the development and function of the immune system. This in turn may alter the risk of subsequent allergies, autoimmune diseases and other adverse health outcomes. Here, we review factors that influence the composition of the intestinal microbiome during the first year of life, including birth location, gestational age, delivery mode, feeding method, hospitalization, antibiotic and probiotic intake, and living conditions...
May 9, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29746280/the-impact-of-microbial-communities-on-wound-healing-a-review
#10
Zhenzhen Xu, Henry C Hsia
Chronic, nonhealing wounds place an enormous burden on both the health care system and patients, with no definitive treatments available. There has been increasing evidence that the microbial composition of wounds may play an important role in wound healing. Culture-independent methods for bacterial detection and analysis have revealed the wound microbiome to be much more diverse and complex than culture alone. Such methods primarily rely on targeted amplification and sequencing of various hypervariable regions of the bacterial 16S rRNA for phylogenetic analysis...
April 30, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29743938/dysbiotic-drift-and-biopsychosocial-medicine-how-the-microbiome-links-personal-public-and-planetary-health
#11
Susan L Prescott, Ganesa Wegienka, Alan C Logan, David L Katz
The emerging concept of planetary health emphasizes that the health of human civilization is intricately connected to the health of natural systems within the Earth's biosphere; here, we focus on the rapidly progressing microbiome science - the microbiota-mental health research in particular - as a way to illustrate the pathways by which exposure to biodiversity supports health. Microbiome science is illuminating the ways in which stress, socioeconomic disadvantage and social polices interact with lifestyle and behaviour to influence the micro and macro-level biodiversity that otherwise mediates health...
2018: BioPsychoSocial Medicine
https://www.readbyqxmd.com/read/29743671/an-exclusive-metabolic-niche-enables-strain-engraftment-in-the-gut-microbiota
#12
Elizabeth Stanley Shepherd, William C DeLoache, Kali M Pruss, Weston R Whitaker, Justin L Sonnenburg
The dense microbial ecosystem in the gut is intimately connected to numerous facets of human biology, and manipulation of the gut microbiota has broad implications for human health. In the absence of profound perturbation, the bacterial strains that reside within an individual are mostly stable over time 1 . By contrast, the fate of exogenous commensal and probiotic strains applied to an established microbiota is variable, generally unpredictable and greatly influenced by the background microbiota2,3 . Therefore, analysis of the factors that govern strain engraftment and abundance is of critical importance to the emerging field of microbiome reprogramming...
May 9, 2018: Nature
https://www.readbyqxmd.com/read/29731182/effect-of-probiotic-and-prebiotic-vs-placebo-on-psychological-outcomes-in-patients-with-major-depressive-disorder-a-randomized-clinical-trial
#13
Asma Kazemi, Ahmad Ali Noorbala, Kamal Azam, Mohammad Hadi Eskandari, Kurosh Djafarian
BACKGROUND: Disturbance in the equilibrium of the gut microbiota has been involved in the pathophysiology of depression. Probiotics have the potential to healthfully modulate the gut microbiome. Prebiotics could also be effective by stimulation of growth of some bacterial species in the gut microbiota. OBJECTIVE: The aim of this double blind clinical trial, was to compare the effect of supplementation with the probiotic and prebiotic on the Beck Depression Inventory (BDI) score as a primary outcome as well as the kynurenine/tryptophan ratio and tryptophan/branch chain amino acids (BCAAs) ratio as secondary outcomes in patients with major depressive disorder (MDD)...
April 24, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29726280/modulatory-effect-of-three-probiotic-strains-on-infants-gut-microbial-composition-and-immunological-parameters-on-a-placebo-controlled-double-blind-randomised-study
#14
J De Andrés, S Manzano, C García, J M Rodríguez, I Espinosa-Martos, E Jiménez
The gut microbiota plays a crucial role in gastrointestinal health. Current use of probiotics is aimed at modulating the bacterial gut composition to alleviate specific diseases. The safety and tolerance of three probiotic strains (Bifidobacterium longum subsp. infantis R0033, Lactobacillus helveticus R0052 and Bifidobacterium bifidum R0071) has recently been described. The objective of the present study was to analyse the microbiological composition and immunological parameters of faecal samples obtained from healthy infants from 3 to 12 months of age after receiving either one of the three probiotic strains or placebo for 8 weeks...
May 4, 2018: Beneficial Microbes
https://www.readbyqxmd.com/read/29724017/low-maternal-microbiota-sharing-across-gut-breast-milk-and-vagina-as-revealed-by-16s-rrna-gene-and-reduced-metagenomic-sequencing
#15
Ekaterina Avershina, Inga Leena Angell, Melanie Simpson, Ola Storrø, Torbjørn Øien, Roar Johnsen, Knut Rudi
The maternal microbiota plays an important role in infant gut colonization. In this work we have investigated which bacterial species are shared across the breast milk, vaginal and stool microbiotas of 109 women shortly before and after giving birth using 16S rRNA gene sequencing and a novel reduced metagenomic sequencing (RMS) approach in a subgroup of 16 women. All the species predicted by the 16S rRNA gene sequencing were also detected by RMS analysis and there was good correspondence between their relative abundances estimated by both approaches...
May 1, 2018: Genes
https://www.readbyqxmd.com/read/29723105/probiotics-drive-gut-microbiome-triggering-emotional-brain-signatures
#16
Deepika Bagga, Johanna Louise Reichert, Karl Koschutnig, Christoph Stefan Aigner, Peter Holzer, Kaisa Koskinen, Christine Moissl Eichinger, Veronika Schöpf
Experimental manipulation of the gut microbiome was found to modify emotional and cognitive behavior, neurotransmitter expression and brain function in rodents, but corresponding human data remain scarce. The present double-blind, placebo-controlled randomised study aimed at investigating the effects of 4 weeks' probiotic administration on behavior, brain function and gut microbial composition in healthy volunteers. Forty-five healthy participants divided equally into three groups (probiotic, placebo and no intervention) underwent functional MRI (emotional decision-making and emotional recognition memory tasks)...
May 3, 2018: Gut Microbes
https://www.readbyqxmd.com/read/29721832/core-gut-microbiota-in-jinhua-pigs-and-its-correlation-with-strain-farm-and-weaning-age
#17
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/29702430/metabolic-products-of-the-intestinal-microbiome-and-extremes-of-atherosclerosis
#18
Chrysi Bogiatzi, Gregory Gloor, Emma Allen-Vercoe, Gregor Reid, Ruth G Wong, Bradley L Urquhart, Vincent Dinculescu, Kelsey N Ruetz, Thomas J Velenosi, Michael Pignanelli, J David Spence
BACKGROUND AND AIMS: There is increasing awareness that the intestinal microbiome plays an important role in human health. We investigated its role in the burden of carotid atherosclerosis, measured by ultrasound as total plaque area. METHODS: Multiple regression with traditional risk factors was used to identify three phenotypes among 316/3056 patients attending vascular prevention clinics. Residual score (RES; i.e. the distance off the regression line, similar to standard deviation) was used to identify the 5% of patients with much less plaque than predicted by their risk factors (Protected, RES <-2), the 90% with about as much plaque as predicted (Explained, RES -2 to 2), and the 5% with much more plaque than predicted (Unexplained RES >2)...
June 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29701810/relationship-between-the-gut-microbiome-and-brain-function
#19
M Hasan Mohajeri, Giorgio La Fata, Robert E Steinert, Peter Weber
It has become increasingly evident in recent years that the gut microbiome and the brain communicate in a bidirectional manner, with each possibly affecting the other's functions. Substantial research has aimed to understand the mechanisms of this interaction and to outline strategies for preventing or treating nervous system-related disturbances. This review explores the evidence demonstrating how the gut microbiome may affect brain function in adults, thereby having an impact on stress, anxiety, depression, and cognition...
April 26, 2018: Nutrition Reviews
https://www.readbyqxmd.com/read/29701662/feasibility-of-a-lactobacillus-casei-drink-in-the-intensive-care-unit-for-prevention-of-antibiotic-associated-diarrhea-and-clostridium-difficile
#20
Cathy Alberda, Sam Marcushamer, Tayne Hewer, Nicole Journault, Demetrios Kutsogiannis
Background: Over 70% of patients are prescribed antibiotics during their intensive care (ICU) admission. The gut microbiome is dramatically altered early in an ICU stay, increasing the risk for antibiotic associated diarrhea (AAD) and Clostridium difficile infections (CDI). Evidence suggests that some probiotics are effective in the primary prevention of AAD and CDI. Aim: To demonstrate safety and feasibility of a probiotic drink in ICU patients. Methods: ICU patients initiated on antibiotics were recruited, and matched with contemporary controls...
April 26, 2018: Nutrients
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