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Intestinal microbiota nutrition

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https://www.readbyqxmd.com/read/28182098/antioxidant-immunomodulating-and-microbial-modulating-activities-of-the-sustainable-and-ecofriendly-spirulina
#1
REVIEW
Alberto Finamore, Maura Palmery, Sarra Bensehaila, Ilaria Peluso
The highly nutritional and ecofriendly Spirulina (Arthrospira platensis) has hypolipidemic, hypoglycemic, and antihypertensive properties. Spirulina contains functional compounds, such as phenolics, phycocyanins, and polysaccharides, with antioxidant, anti-inflammatory, and immunostimulating effects. Studies conducted on Spirulina suggest that it is safe in healthy subjects, but attitude to eating probably affects the acceptability of Spirulina containing foods. Although the antioxidant effect of Spirulina is confirmed by the intervention studies, the concerted modulation of antioxidant and inflammatory responses, suggested by in vitro and animal studies, requires more confirmation in humans...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28176851/comparative-study-of-the-gut-microbiome-potentially-related-to-milk-protein-in-murrah-buffaloes-bubalus-bubalis-and-chinese-holstein-cattle
#2
Jiachao Zhang, Chuanbiao Xu, Dongxue Huo, Qisong Hu, Qiannan Peng
Previous studies suggested a close relationship between ruminant gut microbes and the mammary gland. In this study, shotgun metagenomic sequencing was used to reveal the differences in the intestinal microbiome potentially related to milk components in Murrah buffaloes and Chinese Holstein cattle. A PCoA based on the weighted Unifrac distances showed an apparent clustering pattern in the structure of intestinal microbiota between buffalo and cattle. We could attribute the structural difference to the genera of Sutterella, Coprococcus and Dorea...
February 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28161414/dairy-propionibacteria-prevent-the-proliferative-effect-of-plant-lectins-on-sw480%C3%A2-cells-and-protect-the-metabolic-activity-of-the-intestinal-microbiota-in%C3%A2-vitro
#3
Gabriela Zárate, Gabriel D Sáez, Adriana Pérez Chaia
Plant lectins are specific carbohydrate-binding proteins that are widespread in legumes such as beans and pulses, seeds, cereals, and many plants used as farm feeds. They are highly resistant to cooking and digestion, reaching the intestinal lumen and/or blood circulation with biological activity. Since many legume lectins trigger harmful local and systemic reactions after their binding to the mucosal surface, these molecules are generally considered anti-nutritive and/or toxic substances. In the gut, specific cell receptors and bacteria may interact with these dietary components, leading to changes in intestinal physiology...
February 1, 2017: Anaerobe
https://www.readbyqxmd.com/read/28157671/can-wheat-germ-have-a-beneficial-effect-on-human-health-a-study-protocol-for-a-randomised-crossover-controlled-trial-to-evaluate-its-health-effects
#4
André Moreira-Rosário, Helder Pinheiro, Conceição Calhau, Luís Filipe Azevedo
INTRODUCTION: Cardiovascular diseases (CVD) are the leading cause of mortality worldwide and diet is an important contributor to CVD risk. Thus, several food derivatives are being investigated for their beneficial impact on reducing cardiometabolic risk factors, either in risk groups or in healthy population as a preventive measure. Wheat germ is a food by-product with high nutritional value, especially as a concentrated source of dietary fibre and essential fatty acids, but its incorporation into the diet has been rare up to now...
November 10, 2016: BMJ Open
https://www.readbyqxmd.com/read/28144744/food-matters-how-the-microbiome-and-gut-brain-interaction-might-impact-the-development-and-course-of-anorexia-nervosa
#5
REVIEW
Beate Herpertz-Dahlmann, Jochen Seitz, John Baines
Anorexia nervosa (AN) is one of the most common chronic illnesses in female adolescents and exhibits the highest mortality risk of all psychiatric disorders. Evidence for the effectiveness of psychotherapeutic or psychopharmacological interventions is weak. Mounting data indicate that the gut microbiome interacts with the central nervous system and the immune system by neuroendocrine, neurotransmitter, neurotrophic and neuroinflammatory afferent and efferent pathways. There is growing evidence that the gut microbiota influences weight regulation and psychopathology, such as anxiety and depression...
January 31, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28131442/the-human-gut-microbiome-as-source-of-innovation-for-health-which-physiological-and-therapeutic-outcomes-could-we-expect
#6
Joël Doré, Marie-Christine Multon, Jehan-Michel Béhier
From the moment of birth, each human being builds a microbe-host symbiosis which is key for the preservation of its health and well-being. This personal symbiotic coexistence is the result of progressive enrichments in microorganism diversity through external supplies. This diversity is nowadays massively overthrown by drastic changes related to clinical practice in birth management, environmental exposure, nutrition and healthcare behaviors. The last two generations have been the frame of massive modifications in life and food habits, with people being more and more sedentary, overfed and permeated with drugs and pollutants...
January 3, 2017: Thérapie
https://www.readbyqxmd.com/read/28111483/environmental-and-physiological-factors-shape-the-gut-microbiota-of-atlantic-salmon-parr-salmo-salar-l
#7
Carola E Dehler, Christopher J Secombes, Samuel A M Martin
: Gut microbes are key players in host immune system priming, protection and development, as well as providing nutrients to the host that would be otherwise unavailable. Due to this importance, studies investigating the link between host and microbe are being initiated in farmed fish. The establishment, maintenance and subsequent changes of the intestinal microbiota are central to define fish physiology and nutrition in the future. In fish, unlike mammals, acquiring intestinal microbes is believed to occur around the time of first feeding mainly from the water surrounding them and their microbial composition over time is shaped therefore by their habitat...
January 20, 2017: Aquaculture
https://www.readbyqxmd.com/read/28077872/structural-basis-for-nutrient-acquisition-by-dominant-members-of-the-human-gut-microbiota
#8
Amy J Glenwright, Karunakar R Pothula, Satya P Bhamidimarri, Dror S Chorev, Arnaud Baslé, Susan J Firbank, Hongjun Zheng, Carol V Robinson, Mathias Winterhalter, Ulrich Kleinekathöfer, David N Bolam, Bert van den Berg
The human large intestine is populated by a high density of microorganisms, collectively termed the colonic microbiota, which has an important role in human health and nutrition. The survival of microbiota members from the dominant Gram-negative phylum Bacteroidetes depends on their ability to degrade dietary glycans that cannot be metabolized by the host. The genes encoding proteins involved in the degradation of specific glycans are organized into co-regulated polysaccharide utilization loci, with the archetypal locus sus (for starch utilisation system) encoding seven proteins, SusA-SusG...
January 19, 2017: Nature
https://www.readbyqxmd.com/read/28077318/alcohol-microbiome-life-style-influence-alcohol-and-non-alcoholic-organ-damage
#9
REVIEW
Manuela G Neuman, Samuel W French, Samir Zakhari, Stephen Malnick, Helmut K Seitz, Lawrence B Cohen, Mikko Salaspuro, Andreea Voinea-Griffin, Andrei Barasch, Irina A Kirpich, Paul G Thomes, Laura W Schrum, Terrence M Donohue, Kusum K Kharbanda, Marcus Cruz, Mihai Opris
This paper is based upon the "8th Charles Lieber's Satellite Symposium" organized by Manuela G. Neuman at the Research Society on Alcoholism Annual Meeting, on June 25, 2016 at New Orleans, Louisiana, USA. The integrative symposium investigated different aspects of alcohol-induced liver disease (ALD) as well as non-alcohol-induced liver disease (NAFLD) and possible repair. We revealed the basic aspects of alcohol metabolism that may be responsible for the development of liver disease as well as the factors that determine the amount, frequency and which type of alcohol misuse leads to liver and gastrointestinal diseases...
January 7, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28069752/microbiome-modulated-metabolites-at-the-interface-of-host-immunity
#10
REVIEW
Eran Blacher, Maayan Levy, Evgeny Tatirovsky, Eran Elinav
The mammalian gastrointestinal tract and associated mucosal immune system harbor a large repertoire of metabolites of prokaryotic and eukaryotic origin that play important roles in eukaryotic development and physiology. These often bioactive small molecules originate from nutrition- and environmental-related sources, or are endogenously produced and modulated by the host and its microbiota. A complex network of interactions exists between the intestinal mucosal immune system and the microbiota. This intimate cross-talk may be driven by metabolite secretion and signaling, and features profound influences on host immunity and physiology, including the endocrine, metabolic, and nervous system function in health and disease...
January 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28068209/the-role-of-early-life-nutrition-in-the-establishment-of-gastrointestinal-microbial-composition-and-function
#11
Erin C Davis, Mei Wang, Sharon M Donovan
The development of the human infant intestinal microbiota is a sequential process that begins in utero and continues during the first 2 to 3 years of life. Microbial composition and diversity are shaped by host genetics and multiple environmental factors, of which diet is a principal contributor. An understanding of this process is of clinical importance as the microbiota acquired in early life influence gastrointestinal, immune and neural development, and reduced microbial diversity or dysbiosis during infancy is associated with disorders in infancy and later childhood...
January 9, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28056091/respiration-of-microbiota-derived-1-2-propanediol-drives-salmonella-expansion-during-colitis
#12
Franziska Faber, Parameth Thiennimitr, Luisella Spiga, Mariana X Byndloss, Yael Litvak, Sara Lawhon, Helene L Andrews-Polymenis, Sebastian E Winter, Andreas J Bäumler
Intestinal inflammation caused by Salmonella enterica serovar Typhimurium increases the availability of electron acceptors that fuel a respiratory growth of the pathogen in the intestinal lumen. Here we show that one of the carbon sources driving this respiratory expansion in the mouse model is 1,2-propanediol, a microbial fermentation product. 1,2-propanediol utilization required intestinal inflammation induced by virulence factors of the pathogen. S. Typhimurium used both aerobic and anaerobic respiration to consume 1,2-propanediol and expand in the murine large intestine...
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28034306/influence-of-maternal-breast-milk-ingestion-on-acquisition-of-the-intestinal-microbiome-in-preterm-infants
#13
Katherine E Gregory, Buck S Samuel, Pearl Houghteling, Guru Shan, Frederick M Ausubel, Ruslan I Sadreyev, W Allan Walker
BACKGROUND: The initial acquisition and early development of the intestinal microbiome during infancy are important to human health across the lifespan. Mode of birth, antibiotic administration, environment of care, and nutrition have all been shown to play a role in the assembly of the intestinal microbiome during early life. For preterm infants, who are disproportionately at risk of inflammatory intestinal disease (i.e., necrotizing enterocolitis), a unique set of clinical factors influence the establishment of the microbiome...
December 30, 2016: Microbiome
https://www.readbyqxmd.com/read/28024525/gut-content-microbiota-of-introduced-bigheaded-carps-hypophthalmichthys-spp-inhabiting-the-largest-shallow-lake-in-central-europe
#14
Andrea K Borsodi, Attila Szabó, Gergely Krett, Tamás Felföldi, András Specziár, Gergely Boros
Studying the microbiota in the alimentary tract of bigheaded carps (Hypophthalmichthys spp.) gained special interest recently, as these types of investigations on non-native fish species may lead to a better understanding of their ecological role and feeding habits in an invaded habitat. For microbiological examinations, bigheaded carp gut contents and water column samples from Lake Balaton (Hungary) were collected from spring to autumn in 2013. Denaturing Gradient Gel Electrophoresis (DGGE) and pyrosequencing of the 16S rRNA gene were performed to reveal the composition...
January 2017: Microbiological Research
https://www.readbyqxmd.com/read/28001024/microbiota-and-prebiotics-modulate-uremic-toxins-generation
#15
Laetitia Koppe, Denis Fouque
Recent data have shown that the host-intestinal microbiota interaction is intrinsically linked with overall health. Chronic kidney disease (CKD) could influence intestinal microbiota and gut dysbiosis is also considered as a cause of progression of kidney disease. An increasing body of evidence indicates that dysbiosis is a key contributor of uremic retention solutes (URS) accumulating in patients with CKD. The discovery of the kidney- gut axis has created new therapeutic opportunities for nutritional intervention in order to prevent adverse outcomes...
December 21, 2016: Panminerva Medica
https://www.readbyqxmd.com/read/28000477/probiotic-effectiveness-nutrition-in-cancer-treatment-and-prevention
#16
Débora Mara Kich, Angélica Vincenzi, Fernanda Majolo, Claucia Fernanda Volken de Souza, Márcia Inês Goettert
Among the neoplasias, colorectal cancer is one of the leading causes of cancer death in men and women. The increasing incidence of this type of cancer is due to the increase in the population's life expectancy, by the increase in chronic inflammatory bowel diseases, primarily ulcerative colitis and Crohn's disease, and the change in eating habits. The American Cancer Society (2011) shows that diet might be responsible for approximately 30% of cancer cases in developed countries, moreover when considering only colorectal cancer, the number can reach 30% to 50%...
November 29, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/27997410/influence-of-nutrition-therapy-on-the-intestinal-microbiome
#17
Monika A Krezalek, Andrew Yeh, John C Alverdy, Michael Morowitz
PURPOSE OF REVIEW: This review describes the relationship between nutritional therapies and the intestinal microbiome of critically ill patients. RECENT FINDINGS: The intestinal microbiome of the critically ill displays a near complete loss of health-promoting microbiota with overgrowth of virulent healthcare-associated pathogens. Early enteral nutrition within 24 h of admission to the ICU has been advocated in medical and surgical patients to avoid derangements of the intestinal epithelium and the microbiome associated with starvation...
March 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/27940670/environmental-enteric-dysfunction-and-growth-failure-stunting-in-global-child-health
#18
REVIEW
Victor Owino, Tahmeed Ahmed, Michael Freemark, Paul Kelly, Alexander Loy, Mark Manary, Cornelia Loechl
Approximately 25% of the world's children aged <5 years have stunted growth, which is associated with increased mortality, cognitive dysfunction, and loss of productivity. Reducing by 40% the number of stunted children is a global target for 2030. The pathogenesis of stunting is poorly understood. Prenatal and postnatal nutritional deficits and enteric and systemic infections clearly contribute, but recent findings implicate a central role for environmental enteric dysfunction (EED), a generalized disturbance of small intestinal structure and function found at a high prevalence in children living under unsanitary conditions...
December 2016: Pediatrics
https://www.readbyqxmd.com/read/27914804/nutrition-and-chronic-inflammatory-rheumatic-disease
#19
Luca Semerano, Chantal Julia, Ouidade Aitisha, Marie-Christophe Boissier
Nutrition is a major environmental influence on human health. Epidemiological and interventional studies suggest a pathophysiological or therapeutic role, respectively, for nutrition in inflammatory rheumatic diseases (IRDs). Nevertheless, the associations between nutrition and IRDs are often weak and inconsistent, and the available clinical trials on nutrition are methodologically flawed. Experimental evidence is accumulating that micronutrients in the diet may influence intestinal and systemic immune responses via complex interactions involving the gut microbiota...
November 30, 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/27908847/homeostasis-of-the-gut-barrier-and-potential-biomarkers
#20
Jerry M Wells, Robert J Brummer, Muriel Derrien, Thomas T MacDonald, Freddy Troost, Patrice D Cani, Vassilia Theodorou, Jan Dekker, Agnes Méheust, Willem M de Vos, Annick Mercenier, Arjen Nauta, Clara L Garcia-Rodenas
The gut barrier plays a crucial role by spatially compartmentalizing bacteria to the lumen through the production of secreted mucus and is fortified by the production of sIgA and antimicrobial peptides and proteins. With exception of sIgA the expression of these protective barrier factors is largely controlled by innate immune recognition of microbial molecular ligands. Several specialized adaptations and checkpoints are operating in the mucosa to scale the immune response according to the threat and prevent overreaction to the trillions of symbionts inhabiting the human intestine...
December 1, 2016: American Journal of Physiology. Gastrointestinal and Liver Physiology
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