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https://www.readbyqxmd.com/read/28102587/dietary-%C3%AE-cyclodextrin-reduces-atherosclerosis-and-modifies-gut-flora-in-apolipoprotein-e-deficient-mice
#1
Toshihiro Sakurai, Akiko Sakurai, Ye Chen, Boris L Vaisman, Marcelo J Amar, Milton Pryor, Seth G Thacker, Xue Zhang, Xujing Wang, Yubo Zhang, Jun Zhu, Zhi-Hong Yang, Lita A Freeman, Alan T Remaley
SCOPE: α-Cyclodextrin (α-CD), a cyclic polymer of glucose, has been shown to lower plasma cholesterol in animals and humans; however, its effect on atherosclerosis has not been previously described. METHODS AND RESULTS: apoE-knockout mice were fed either low-fat diet (LFD; 5.2% fat, w/w), or Western high fat diet (21.2% fat) containing either no additions (WD), 1.5% α-CD (WDA); 1.5% β-CD (WDB); or 1.5% oligofructose-enriched inulin (WDI). Although plasma lipids were similar after 11 weeks on the WD vs...
January 19, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28094019/the-first-model-of-keeping-energy-balance-and-optimal-psycho-affective-development-breastfed-infants
#2
REVIEW
Carlo Agostoni, Alessandra Mazzocchi, Ludovica Leone, Valentina Ciappolino, Giuseppe Delvecchio, Carlo A Altamura, Paolo Brambilla
BACKGROUND: Breastfed infants follow a peculiar growth fashion characterized by a rapid weight gain in the first weeks of life, then followed by a fast decrease in growth rates, a capacity to self-regulate the sense of hungry and satiety, and a minor propensity towards overweight and obesity later on, in parallel with a better neurodevelopmental performance. METHODS: We searched studies investigating the relationship between the feeding mode in infancy and the energy balance, so the possible associations with total energy expenditure and intake regulation...
January 5, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28093620/inflammatory-bowel-disease-and-cancer-response-due-to-anti-ctla-4-is-it-in-the-flora
#3
REVIEW
Franck Carbonnel, Emilie Soularue, Clélia Coutzac, Nathalie Chaput, Christine Mateus, Patricia Lepage, Caroline Robert
Checkpoint inhibitors blocking CTLA-4 (ipilimumab) and PD-1 (nivolumab, pembrolizumab) have transfigured our cancer treatment paradigm. However, these drugs can induce immune-related adverse events that share clinical and pathological characteristics with immune-mediated diseases. One of the most severe immune-related adverse event observed with anti-CTLA-4 is an enterocolitis that mirrors naturally occurring inflammatory bowel disease. This paper reviews the clinical, immunological, and microbiota data associated with the immune-related enterocolitis induced by the cancer immunotherapy blocking CTLA-4, ipilimumab...
January 16, 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/28087253/what-is-an-ideal-antibiotic-discovery-challenges-and-path-forward
#4
REVIEW
Sheo B Singh, Katherine Young, Lynn L Silver
An ideal antibiotic is an antibacterial agent that kills or inhibits the growth of all harmful bacteria in a host, regardless of site of infection without affecting beneficial gut microbes (gut flora) or causing undue toxicity to the host. Sadly, no such antibiotics exist. What exists are many effective Gram-positive antibacterial agents as well as broad-spectrum agents that provide treatment of certain Gram-negative bacteria but not holistic treatment of all bacteria. However effectiveness of all antibacterial agents is being rapidly eroded due to resistance...
January 10, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28072925/impact-of-low-and-high-doses-of-marbofloxacin-on-the-selection-of-resistant-enterobacteriaceae-in-the-commensal-gut-flora-of-young-cattle-discussion-of-data-from-2-study-populations
#5
Guillaume Lhermie, Véronique Dupouy, Farid El Garch, Nadine Ravinet, Pierre-Louis Toutain, Alain Bousquet-Mélou, Henri Seegers, Sébastien Assié
In the context of requested decrease of antimicrobial use in veterinary medicine, our objective was to assess the impact of two doses of marbofloxacin administered on young bulls (YBs) and veal calves (VCs) treated for bovine respiratory disease, on the total population of Enterobacteriaceae in gut flora and on the emergence of resistant Enterobacteriaceae. In two independent experiments, 48 YBs from 6 commercial farms and 33 VCs previously colostrum deprived and exposed to cefquinome were randomly assigned to one of the three groups LOW, HIGH, and Control...
January 10, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28067677/the-microbiome-in-mechanically-ventilated-patients
#6
Yudong Yin, Peter Hountras, Richard G Wunderink
PURPOSE OF REVIEW: Discovery of a normal lung microbiome requires reassessment of our concepts of HAP/VAP pathogenesis and has important implications for clinical diagnosis and management. RECENT FINDINGS: Changes in the microbiome of dental plaque are associated with increased risk of HAP/VAP. A transition to a lung microbiome enriched with gut flora is found in ARDS with an increased inflammatory response in patients with this change in microbial flora. A characteristic microbiome pattern of higher amounts of bacterial DNA, lower community diversity, and greater relative abundance of a single species characterize pneumonia and occasionally identify bacteria not found in culture...
January 6, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28065757/fats-for-thoughts-an-update-on-brain-fatty-acid-metabolism
#7
Adele Romano, Justyna Barbara Koczwara, Cristina Anna Gallelli, Daniele Vergara, Maria Vittoria Micioni Di Bonaventura, Silvana Gaetani, Anna Maria Giudetti
Brain fatty acid (FA) metabolism deserves a close attention not only for its energetic aspects but also because FAs and their metabolites/derivatives are able to influence many neural functions, contributing to brain pathologies or representing potential targets for pharmacological and/or nutritional interventions. Glucose is the preferred energy substrate for the brain, whereas the role of FAs is more marginal. In conditions of decreased glucose supply ketone bodies, mainly formed by FA oxidation, are the alternative main energy source...
January 5, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28057020/rna-virus-receptor-rig-i-monitors-gut-microbiota-and-inhibits-colitis-associated-colorectal-cancer
#8
Houbao Zhu, Wang-Yang Xu, Zhiqiang Hu, Hongxin Zhang, Yan Shen, Shunyuan Lu, Chaochun Wei, Zhu-Gang Wang
BACKGROUND: Retinoic acid-inducible gene-I (Rig-I) is an intracellular viral RNA receptor, which specifically recognizes double-stranded viral RNA initiating antiviral innate immunity. Increasing evidences showed that Rig-I had broader roles in antibacterial immunity and cancer protection. However, the potential roles and mechanisms of Rig-I in gut flora regulation and colorectal cancer (CRC) progression remain unclear. METHODS: Immunohistochemistry was performed to detect Rig-I protein in 38 pairs of CRC tissue and matched adjacent mucosa, and immunofluorescence and western blot were also used to detect Rig-I protein expression in AOM/DSS-induced mice CRC samples...
January 5, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28030622/effects-of-menthol-supplementation-in-feedlot-cattle-diets-on-the-fecal-prevalence-of-antimicrobial-resistant-escherichia-coli
#9
C C Aperce, R Amachawadi, C L Van Bibber-Krueger, T G Nagaraja, H M Scott, J Vinasco-Torre, J S Drouillard
The pool of antimicrobial resistance determinants in the environment and in the gut flora of cattle is a serious public health concern. In addition to being a source of human exposure, these bacteria can transfer antibiotic resistance determinants to pathogenic bacteria and endanger the future of antimicrobial therapy. The occurrence of antimicrobial resistance genes on mobile genetic elements, such as plasmids, facilitates spread of resistance. Recent work has shown in vitro anti-plasmid activity of menthol, a plant-based compound with the potential to be used as a feed additive to beneficially alter ruminal fermentation...
2016: PloS One
https://www.readbyqxmd.com/read/28028528/the-comparison-of-treatments-with-and-without-azithromycin-in-irritable-bowel-syndrome-with-diarrhea-predominant-in-gastrointestinal-clinic-of-al-zahra-hospital-isfahan-iran
#10
Mohamadreza Yazdani, Amirhossein Aramesh, Rahmatollah Rafiei, Hamed Daghaghzadeh, Peyman Adibi
BACKGROUND: Irritable bowel syndrome (IBS) is a common gastrointestinal disorder. Recent studies suggest the importance of gut flora in the pathophysiology of it. Therefore, antibiotics have demonstrated a substantial benefit to reduce gut flora. Having few side effects, and applying one-dose per day, we studied the effect of azithromycin to treat IBS. MATERIALS AND METHODS: One hundred and twenty-six patients enrolled a randomized, double-blind, placebo-controlled study...
2016: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28008842/-microbiota-and-representations-of-the-human-body
#11
Betty Dodet
Although the presence of an intestinal flora has been known for a long time, the discovery of the role of gut microbiota in human health and disease has been widely recognized as one of the most important advances in the recent years. Chronic diseases may result from dysbiosis, i.e. a disruption of the balance within the bacterial population hosted by the human body. These developments open new prospects in terms of prevention and treatment, including the design of adapted diets, the development of functional foods and fecal transplantation...
November 2016: Médecine Sciences: M/S
https://www.readbyqxmd.com/read/28008786/a-probiotic-combination-attenuates-experimental-colitis-through-inhibition-of-innate-cytokine-production
#12
M S Kim, J S Byun, Y S Yoon, D Y Yum, M J Chung, J C Lee
Inflammatory bowel disease (IBD) is a severe immune cell-mediated syndrome characterised by extensive inflammatory and effector mucosal responses leading to tissue destruction in the colon and small intestine. The leading hypothesis is that dysbiosis of the gut flora causes an excessive immune response and inflammation in the gastrointestinal track. Lactic acid bacteria (LAB) can correct dysbiosis of the normal microbiota. In the current study, the therapeutic potential of seven LAB strains in combination to treat IBD was evaluated using experimental colitis model...
December 23, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/27999802/lower-level-of-bacteroides-in-the-gut-microbiota-is-associated-with-inflammatory-bowel-disease-a-meta-analysis
#13
REVIEW
Yingting Zhou, Fachao Zhi
Background and Aims. Multiple studies have reported associations between inflammatory bowel disease (IBD) and the flora disequilibrium of Bacteroides. We performed a meta-analysis of the available data to provide a more precise estimate of the association between Bacteroides level in the gut and IBD. Methods. We searched PubMed/MEDLINE, EMBASE, Cochrane Library, Wiley Library, BIOSIS previews, Web of Science, CNKI, and ScienceDirect databases for published literature on IBD and gut microbiota from 1990 to 2016...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27989963/tuning-constitutive-and-pathological-inflammation-in-the-gut-via-the-interaction-of-dietary-nitrate-and-polyphenols-with-host-microbiome
#14
Bárbara Rocha, Carla Nunes, João Laranjinha
Chronic inflammation is currently recognized as a critical process in modern-era epidemics such as diabetes, obesity and neurodegeneration. However, little attention is paid to the constitutive inflammatory pathways that operate in the gut and that are mandatory for local welfare and the prevention of such multi-organic diseases. Hence, the digestive system, while posing as a barrier between the external environment and the host, is crucial for the balance between constitutive and pathological inflammatory events...
October 28, 2016: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/27974732/prebiotic-effects-of-poly-gamma-glutamate-on-bacterial-flora-in-murine-gut
#15
Hee-Eun Jin, Jae-Chul Choi, Yong Taik Lim, Moon-Hee Sung
Prebiotics improve the growth or activities of specific microbial genera and species in the gut microbiota in order to confer health benefits to the host. In this study, we investigated the effect of poly-gamma-glutamate (γ-PGA) as prebiotics on gut microbiota of mice and the organ distributions of γ-PGA in mice. Pyrosequencing analysis for 16S rRNA genes of bacteria indicated that oral administration of γ-PGA increased abundance of Lactobacillales while reducing abundance of Clostridiales in murine guts...
December 14, 2016: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27940405/dietary-and-enteral-interventions-for-crohn-s-disease
#16
REVIEW
Takayuki Yamamoto, Takahiro Shimoyama, Moeko Kuriyama
It is now widely acknowledged that the intestinal bacterial flora together with genetic predisposing factors significantly contribute to the immunopathogenesis of inflammatory bowel disease (IBD) as reflected by mucosal immune dysregulation. Recently, there has been an increased interest in nutraceutical therapies, including probiotics, prebiotics and synbiotics. Other dietary interventions with low carbohydrate diet, omega-3 polyunsaturated fatty acids and glutamine have been attempted to downregulate the gut inflammatory response and thereby alleviate gastrointestinal symptoms...
December 8, 2016: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/27931536/advances-in-atopic-dermatitis-in-2015
#17
REVIEW
Takashi Nomura, Kenji Kabashima
This review aims to highlight recently published articles on atopic dermatitis (AD). Updated are the insights into epidemiology, pathology, diagnostics, and therapy. Epidemiologic studies have revealed a positive correlation between AD and systemic conditions, such as rheumatoid arthritis, inflammatory bowel disease, and neonatal adiposity. Pathologic findings highlight the involvement of novel barrier factors (desmoplakin and claudin), novel immune cell subsets (pathogenic effector TH2 cells and group 2 innate lymphoid cells), and differential skewing of helper T cells (eg, TH17 dominance in Asians with AD)...
December 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27927779/depletion-of-gut-microbiota-protects-against-renal-ischemia-reperfusion-injury
#18
Diba Emal, Elena Rampanelli, Ingrid Stroo, Loes M Butter, Gwendoline J Teske, Nike Claessen, Geurt Stokman, Sandrine Florquin, Jaklien C Leemans, Mark C Dessing
An accumulating body of evidence shows that gut microbiota fulfill an important role in health and disease by modulating local and systemic immunity. The importance of the microbiome in the development of kidney disease, however, is largely unknown. To study this concept, we depleted gut microbiota with broad-spectrum antibiotics and performed renal ischemia-reperfusion (I/R) injury in mice. Depletion of the microbiota significantly attenuated renal damage, dysfunction, and remote organ injury and maintained tubular integrity after renal I/R injury...
December 7, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27912797/helminth-infections-and-gut-microbiota-a-feline-perspective
#19
Ana M Duarte, Timothy P Jenkins, Maria S Latrofa, Alessio Giannelli, Elias Papadopoulos, Luís Madeira de Carvalho, Matthew J Nolan, Domenico Otranto, Cinzia Cantacessi
BACKGROUND: Investigations of the relationships between the gut microbiota and gastrointestinal parasitic nematodes are attracting growing interest by the scientific community, driven by the need to better understand the contribution of parasite-associated changes in the composition of the gut flora to both host malnutrition and immune modulation. These studies have however been carried out mainly in humans and experimental animals, while knowledge of the make-up of the gut commensal flora in presence or absence of infection by parasitic nematodes in domestic animals is limited...
December 3, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27909795/altered-gut-microbiota-in-ra-implications-for-treatment
#20
Y Kang, Y Cai, X Zhang, X Kong, J Su
Rheumatoid arthritis (RA) is an autoimmune disease with progressive joint disorder. The complex interplay of genetic and environmental influences is important for the development of the disease. A growing body of evidence has shed light on the association of dysbiosis of gut microbiota with RA. Certain gut microbial strains have been shown to inhibit or attenuate immune responses in RA experimental models, suggesting that specific species among intestinal commensal bacteria may play either a pathogenic or a protective role in the development of RA...
December 1, 2016: Zeitschrift Für Rheumatologie
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