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https://www.readbyqxmd.com/read/28726389/anti-melanogenic-effect-of-urolithin-a-and-urolithin-b-the-colonic-metabolites-of-ellagic-acid-in-b16-melanoma-cells
#1
Shang-Ta Wang, Wei-Chia Chang, Chen Hsu, Nan-Wei Su
Anti-melanogenic agents from natural sources have been widely investigated. Urolithin A (UA) and B (UB), the main gut microflora metabolites of dietary ellagic acid derivatives, have various bioactivities such as anti-inflammatory and anti-aging effects. In this study, the metabolites were found to possess depigmentation efficacy by suppressing tyrosinase activity. Both UA and UB could attenuate melanogenesis in B16 melanoma cells at non-cytotoxic doses, and UA showed comparable efficacy to positive control, kojic acid group...
July 20, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28714069/discriminant-biomarkers-of-acute-respiratory-distress-syndrome-associated-to-h1n1-influenza-identified-by-metabolomics-hplc-qtof-ms-ms-platform
#2
Alessia Ferrarini, Laura Righetti, Ma Paz Martínez, Mariano Fernández, Annalaura Mastrangelo, Juan P Horcajada, Antoni Betbesé, Andrés Esteban, Jordi Ordóñez, Joaquín de Gea, Jesús Ruiz Cabello, Federica Pellati, José A Lorente, Nicolás Nin, Francisco J Rupérez
Acute Respiratory Distress Syndrome (ARDS) is a serious complication of influenza A (H1N1) virus infection. Its pathogenesis is unknown, and biomarkers are lacking. Untargeted metabolomics allows the analysis of the whole metabolome in a biological compartment, identifying patterns associated with specific conditions. We hypothesized that LC-MS could help identify discriminant metabolites able to define the metabolic alterations occurring in patients with influenza A (H1N1) virus infection that developed ARDS...
July 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28684576/draft-genome-sequence-of-enterococcus-faecalis-atcc-baa-2128
#3
Catherine Putonti, Laurynas Kalesinskas, Evan Cudone, Kathleen C Engelbrecht, David W Koenig, Alan J Wolfe
While a part of the native gut microflora, the Gram-positive bacterium Enterococcus faecalis can lead to serious infections elsewhere in the body. The draft genome of E. faecalis strain ATCC BAA-2128, isolated from piglet feces, was examined. This draft genome consists of 42 contigs, 12 of which exhibit homology to annotated plasmids.
July 6, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28659893/live-probiotic-lactobacillus-johnsonii-bs15-promotes-growth-performance-and-lowers-fat-deposition-by-improving-lipid-metabolism-intestinal-development-and-gut-microflora-in-broilers
#4
Hesong Wang, Xueqin Ni, Xiaodan Qing, Dong Zeng, Min Luo, Lei Liu, Guangyao Li, Kangcheng Pan, Bo Jing
Numerous studies have focused on the beneficial effects of probiotics in animals. Even so, additional information should be obtained about the mechanisms by which a useful probiotic strain successfully exerts such beneficial effects. In this study, we evaluated the effect of the dietary supplementation of both live and disrupted Lactobacillus johnsonii (LJ) strain BS15 in broilers at different ages. Specifically, growth performance, lipid metabolism, gut microbiota, intestinal development, and digestive ability of the broilers were assessed...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28655217/preventing-subclinical-necrotic-enteritis-through-lactobacillus-johnsonii-bs15-by-ameliorating-lipid-metabolism-and-intestinal-microflora-in-broiler-chickens
#5
Xiaodan Qing, Dong Zeng, Hesong Wang, Xueqin Ni, Lei Liu, Jing Lai, Abdul Khalique, Kangcheng Pan, Bo Jing
Increasing studies have focused on the beneficial effects of Lactobacillus johnsonii in certain diseases. Here, we studied the prevention ability of a probiotic strain, L. johnsonii BS15 on subclinical necrotic enteritis (SNE), and its underlying mechanism. 180 male Cobb 500 chicks were randomly allotted into three groups and administrated with BS15 (1 × 10(6) cfu/g) or Man Rogosa Sharpe liquid medium throughout a 28-day experimental period. With the exception of the normal group, SNE infection was treated for the remaining experimental period after the chicks were fed with normal diet 14 days...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28646814/nutritional-management-of-metabolic-endotoxemia-a-clinical-review
#6
Benjamin I Brown
Context • Diet-induced, metabolic endotoxemia is emerging as an important contributory factor to the development of a wide range of chronic diseases, including cardiometabolic, autoimmune, psychiatric, and neurodegenerative illnesses. Emerging human clinical studies have demonstrated that diet and dietary components are potent modifiers of circulating endotoxins and can be used to reduce plasma levels significantly and improve metabolic health. Objective • The aim of the current study was to explore briefly the concept of metabolic endotoxemia and its relationship to disease development, to examine the influence of diet and dietary components on circulating endotoxins, and, finally, discuss the clinical relevance of nutritional interventions for management of metabolic endotoxemia...
July 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28637332/coarse-particle-inclusion-and-lignocellulose-rich-fiber-addition-in-feed-benefit-performance-and-health-of-broiler-chickens
#7
Sarbast K Kheravii, Robert A Swick, Mingan Choct, Shu-Biao Wu
Measures to improve gut health and nutrient digestibility have been sought due to in-feed antibiotics being phased out in poultry. The appropriate physical structure of feed ingredients and addition of dietary fiber may be beneficial in enhancing gut health in poultry. In this study, the effect of a lignocellulose-rich fiber source and corn particle size on broiler performance, gizzard development, nutrient digestibility, cecal microflora, and litter quality was evaluated. A total of 684 day-old male Ross 308 chicks were randomly allocated to 6 treatments with 6 replicate pens, each housing 19 birds...
June 15, 2017: Poultry Science
https://www.readbyqxmd.com/read/28631587/dietary-supplementation-with-a-nucleotide-rich-yeast-extract-modulates-gut-immune-response-and-microflora-in-weaned-pigs-in-response-to-a-sanitary-challenge
#8
S M Waititu, F Yin, R Patterson, A Yitbarek, J C Rodriguez-Lecompte, C M Nyachoti
An experiment was carried out to evaluate the short-term effect of supplementing a nucleotide-rich yeast extract (NRYE) on growth performance, gut structure, immunity and microflora of piglets raised under sanitary and unsanitary conditions. A total of 84, 21-day old piglets were used in this study; 42 piglets were raised in a room designated as the clean room that was washed once per week, whereas the other 42 piglets were raised in a room designated as the unclean room in which 7 kg of manure from the sow herd was spread on each pen floor on day 1 and 7 and the room was not washed throughout the experiment...
June 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28627645/therapeutic-strategies-for-alcoholic-liver-disease-focusing-on-inflammation-and-fibrosis-review
#9
Hideto Kawaratani, Kei Moriya, Tadashi Namisaki, Masakazu Uejima, Mitsuteru Kitade, Kousuke Takeda, Yasushi Okura, Kousuke Kaji, Hiroaki Takaya, Norihisa Nishimura, Shinya Sato, Yasuhiko Sawada, Kenichiro Seki, Takuya Kubo, Akira Mitoro, Junichi Yamao, Hitoshi Yoshiji
Excessive alcohol consumption is the most common cause of liver disease in the world. Chronic alcohol abuse leads to liver damage, liver inflammation, fibrosis and hepatocellular carcinoma. Inflammatory cytokines, such as tumor necrosis factor-α and interferon-γ, induce liver injury, which leads to the develo-pment of alcoholic liver disease (ALD). Hepatoprotective cytokines, such as interleukin (IL)-6 and IL-10, are also associated with ALD. IL-6 improves ALD via the activation of STAT3 and the subsequent induction of a variety of hepatoprotective genes in hepatocytes...
June 9, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28626612/postmortem-succession-of-gut-microbial-communities-in-deceased-human%C3%A2-subjects
#10
Jennifer M DeBruyn, Kathleen A Hauther
The human microbiome has demonstrated an importance for the health and functioning in living individuals. However, the fate of the microbiome after death is less understood. In addition to a better understanding of microbe-mediated decomposition processes, postmortem succession of human-associated microbial communities has been suggested as a possible forensic tool for estimating time since death, or postmortem interval (PMI). The objective of our study was to document postmortem changes in human gut bacterial communities...
2017: PeerJ
https://www.readbyqxmd.com/read/28626453/zinc-oxide-nanoparticles-influence-microflora-in-ileal-digesta-and-correlate-well-with-blood-metabolites
#11
Yanni Feng, Lingjiang Min, Weidong Zhang, Jing Liu, Zhumei Hou, Meiqiang Chu, Lan Li, Wei Shen, Yong Zhao, Hongfu Zhang
Zinc oxide nanoparticles (ZnO NPs) are used widely in consumer and industrial products, however, their influence on gut microbiota and metabolism and their mutual interactions are not fully understood. In this study, the effects of ZnO NPs on ileal bacterial communities, plasma metabolites, and correlations between them were investigated. Hens were fed with different concentrations of ZnO NPs [based on Zn; 0 mg/kg (control), 25 mg/kg, 50 mg/kg, and 100 mg/kg] for 9 weeks. Subsequently, ileal digesta and blood plasma were collected for analysis of microflora and metabolites, respectively...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28626062/insights-into-the-function-of-n-3-pufas-in-fat-1-transgenic-cattle
#12
Xin-Feng Liu, Zhu-Ying Wei, Chun-Ling Bai, Xiang-Bin Ding, Xin Li, Guang-Hua Su, Lei Cheng, Li Zhang, Hong Guo, Guang-Peng Li
n-3 polyunsaturated fatty acids (PUFAs) have many beneficial effects on human health, including roles in immunity, neurodevelopment, and preventing cardiovascular disease. In this study, we established reliable model fat-1 transgenic cattle using transgenic technology and performed a systematic investigation to examine the function of n-3 PUFAs. Our results showed that expression of the fat-1 gene improved several biochemical parameters related to liver function and to plasma glucose and plasma lipid metabolism...
June 16, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28623898/early-life-gut-microbial-colonization-shapes-th1-th2-balance-in-asthma-model-in-balb-c-mice
#13
Li-Juan Qian, Shu-Min Kang, Jia-Li Xie, Li Huang, Quan Wen, Yuan-Yuan Fan, Li-Jun Lu, Li Jiang
BACKGROUND: We aimed to investigate the effect of early-life diverse microbial exposures on gut microbial colonization in an OVA-induced asthma model in BALB/c mice. METHODS: BALB/c mice were divided into 4 groups: A, offsprings were kept in a SPF environment during fetal, lactation, and childhood periods; B, offsprings were kept in the SPF environment during fetal and lactation periods, and kept in the general environment during childhood; C, offsprings were kept in the SPF environment only during fetal period, and then kept in the general environment; and D, offsprings were kept in the general environment during whole periods...
June 17, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28621554/gut-microbiota-changes-and-chronic-hepatitis-c-virus-infection
#14
Tomislav Preveden, Emidio Scarpellini, Natasa Milić, Francesco Luzza, Ludovico Abenavoli
Hepatitis C virus (HCV) infection is a global health problem with 150 million infected people worldwide. Liver can be greatly affected by changes in gut microbiota due to increased intestinal permeability with passage of microbial antigens into the liver through the portal circulation. The concept of "gut-liver" axis is important to understand the pathophysiology of several liver diseases. Several recent studies also revealed that an altered gut microbiota can be implicated in the pathogenesis of HCV-induced chronic liver disease (CHC)...
June 16, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28558975/critical-review-of-the-current-literature-on-the-safety-of-sucralose
#15
REVIEW
Bernadene A Magnuson, Ashley Roberts, Earle R Nestmann
Sucralose is a non-caloric high intensity sweetener that is approved globally for use in foods and beverages. This review provides an updated summary of the literature addressing the safety of use of sucralose. Studies reviewed include chemical characterization and stability, toxicokinetics in animals and humans, assessment of genotoxicity, and animal and human feeding studies. Endpoints evaluated include effects on growth, development, reproduction, neurotoxicity, immunotoxicity, carcinogenicity and overall health status...
August 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28553195/characterization-of-the-cultivable-gut-microflora-in-wild-caught-%C3%A2-mediterranean-fish-species
#16
Ahmad Jammal, Michel Bariche, Heinrich Zu Dohna, Zakaria Kambris
BACKGROUND: Microflora of the gastrointestinal tract plays important roles in food digestion, nutrient absorption and in host defense against ingested pathogens. Several studies have focused on the microflora of farmed fishes, but the gut flora of wild fishes remains poorly characterized. The aim of this work was to provide an overview of the bacteria colonizing the gut of wild-caught fishes and to determine whether some bacterial species can be pathogenic. RESULTS: We isolated cultivable bacteria from fifteen wild-caught Mediterranean fish species corresponding to different habitat, diet and origin...
May 2017: Current Nutrition and Food Science
https://www.readbyqxmd.com/read/28535200/the-draft-genome-of-blunt-snout-bream-megalobrama-amblycephala-reveals-the-development-of-intermuscular-bone-and-adaptation-to-herbivorous-diet
#17
Han Liu, Chunhai Chen, Zexia Gao, Jiumeng Min, Yongming Gu, Jianbo Jian, Xiewu Jiang, Huimin Cai, Ingo Ebersberger, Meng Xu, Xinhui Zhang, Jianwei Chen, Wei Luo, Boxiang Chen, Junhui Chen, Hong Liu, Jiang Li, Ruifang Lai, Mingzhou Bai, Jin Wei, Shaokui Yi, Huanling Wang, Xiaojuan Cao, Xiaoyun Zhou, Yuhua Zhao, Kaijian Wei, Ruibin Yang, Bingnan Liu, Shancen Zhao, Xiaodong Fang, Manfred Schartl, Xueqiao Qian, Weimin Wang
Background: The blunt snout bream, Megalobrama amblycephala , is the economically most important cyprinid fish species. As an herbivore, it can be grown by eco-friendly and resource-conserving aquaculture. However, the large number of intermuscular bones in the trunk musculature is adverse to fish meat processing and consumption. Results: As a first towards optimizing this aquatic livestock, we present a 1.116-Gb draft genome of M. amblycephala , with 779.54 Mb anchored on 24 linkage groups...
May 23, 2017: GigaScience
https://www.readbyqxmd.com/read/28530150/the-roles-of-bile-acids-and-applications-of-microencapsulation-technology-in-treating-type-1-diabetes-mellitus
#18
Louise Woodhams, Hani Al-Salami
Type 1 diabetes mellitus (T1DM) is an autoimmune disease characterized by the loss of glycemic control. Recent studies have shown significant inflammation and disturbed bile acid homeostasis, associated with T1DM. Bile acids are endogenously produced as a result of cholesterol catabolism in the liver and solely metabolized by gut microflora. This review investigates their potential oral delivery in T1DM using targeted delivery and encapsulation technologies. A sensitive and selective search was carried out using different search engines and databases...
June 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28513457/bacteriocins-from-lactic-acid-bacteria-as-an-alternative-to-antibiotics
#19
Aleksandra Ołdak, Dorota Zielińska
Bacteriocins are ribosomally synthesized, proteinaceous substances that inhibit the growth of closely related species through numerous mechanisms. The classification system used in this review divided bacteriocins into four sub-groups based on their size. Currently, there is extensive research focused on bacteriocins and their usage as a food preservative. The increasing incidence of multidrug resistant bacterial pathogens is one of the most pressing medical problems in recent years. Recently, the potential clinical application of LAB (Lactic Acid Bacteria) bacteriocin has been the subject of investigations by many scientists...
May 5, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28495367/in-vivo-effects-of-allium-cepa-l-on-the-selected-gut-microflora-and-intestinal-histomorphology-in-broiler
#20
Sajid Ur Rahman, Sarzamin Khan, Naila Chand, Umar Sadique, Rifat Ullah Khan
The experiment was conducted to evaluate the effect of onion (Allium cepa L.,) on the performance, gut microflora and intestinal histomorphology of broiler chicks. Three hundred and twenty day old broiler chicks (Ross) were randomly divided into four groups as A, B, C and D. Group A served as control without any supplementation, group B, C and D was supplemented with onion powder at the rate of 1.5, 2 and 2.5g/kg of feed respectively. Supplementation of onion significantly (P<0.05) increased weight gain and feed consumption...
May 8, 2017: Acta Histochemica
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