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https://www.readbyqxmd.com/read/28431497/effect-of-ensiled-mulberry-leaves-and-sun-dried-mulberry-fruit-pomace-on-the-fecal-bacterial-community-composition-in-finishing-steers
#1
Yan Li, Qingxiang Meng, Bo Zhou, Zhenming Zhou
BACKGROUND: Here, we aimed to investigate the effects of ensiled mulberry leaves (EML) and sun-dried mulberry fruit pomace (SMFP) on fecal bacterial communities in Simmental crossbred finishing steers. To this end, the steers were reared on a standard TMR diet, standard diet containing EML, and standard diet containing SMFP. The protein and energy levels of all the diets were similar. Illumina MiSeq sequencing of the V4 region of the 16S rRNA gene and quantitative real-time PCR were used to analyze and detect the fecal bacterial community...
April 21, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28428272/hur-small-molecule-inhibitor-elicits-differential-effects-in-adenomatosis-polyposis-and-colorectal-carcinogenesis
#2
Michaela Lang, David Berry, Katharina Passecker, Ildiko Mesteri, Sabin Bhuju, Florian Ebner, Vitaly Sedlyarov, Rayko Evstatiev, Kyle Dammann, Alexander Loy, Orest Kuzyk, Pavel Kovarik, Vineeta Khare, Martin Beibel, Guglielmo Roma, Nicole Meisner-Kober, Christoph Gasche
HuR is an RNA-binding protein implicated in immune homeostasis and various cancers, including colorectal cancer. HuR binding to AU-rich elements within the 3' untranslated region of mRNAs encoding oncogenes, growth factors, and various cytokines leads message stability and translation. In this study, we evaluated HuR as a small-molecule target for preventing colorectal cancer in high-risk groups such as those with familial adenomatosis polyposis (FAP) or inflammatory bowel disease (IBD). In human specimens, levels of cytoplasmic HuR were increased in colonic epithelial cells from patients with IBD, IBD-cancer, FAP-adenoma, and colorectal cancer, but not in patients with IBD-dysplasia...
February 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28407078/inulin-with-different-degrees-of-polymerization-modulates-composition-of-intestinal-microbiota-in-mice
#3
Limeng Zhu, Song Qin, Shixiang Zhai, Yonglin Gao, Lili Li
The study aimed to analyse the global influences of dietary inulin with different degrees of polymerization (DP) on intestinal microbial communities. 6-week-old male C57BL/6J mice were treated with fructo-oligosaccharides (FOS) and inulin for 6 weeks. Fecal samples were obtained at time point 0 and 6th week. 16S rRNA sequence analysis was used to measure intestinal microbiota performed on Illumina MiSeq platform. Influences of dietary inulin on intestinal microbiota were more complex effects than bifidogenic effects, relative abundance of butyrate-producing bacteria increased after interventions...
April 12, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28382453/metabolic-adaptation-to-the-aqueous-leaf-extract-of-moringa-oleifera-lam-supplemented-diet-is-related-to-the-modulation-of-gut-microbiota-in-mice
#4
Xiaoyu Gao, Qiuhong Xie, Ling Liu, Ping Kong, Jun Sheng, Hongyu Xiang
The aqueous leaf extract of Moringa oleifera Lam. (LM-A) is reported to have many health beneficial bioactivities and no obvious toxicity, but have mild adverse effects. Little is known about the mechanism of these reported adverse effects. Notably, there has been no report about the influence of LM-A on intestinal microecology. In this study, animal experiments were performed to explore the relationships between metabolic adaptation to an LM-A-supplemented diet and gut microbiota changes. After 8-week feeding with normal chow diet, the body weight of mice entered a stable period, and one of the group received daily doses of 750-mg/kg body weight LM-A by gavage for 4 weeks (assigned as LM); the other group received the vehicle (assigned as NCD)...
April 5, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28377388/targeting-the-gut-microbiota-with-inulin-type-fructans-preclinical-demonstration-of-a-novel-approach-in-the-management-of-endothelial-dysfunction
#5
Emilie Catry, Laure B Bindels, Anne Tailleux, Sophie Lestavel, Audrey M Neyrinck, Jean-François Goossens, Irina Lobysheva, Hubert Plovier, Ahmed Essaghir, Jean-Baptiste Demoulin, Caroline Bouzin, Barbara D Pachikian, Patrice D Cani, Bart Staels, Chantal Dessy, Nathalie M Delzenne
OBJECTIVE: To investigate the beneficial role of prebiotics on endothelial dysfunction, an early key marker of cardiovascular diseases, in an original mouse model linking steatosis and endothelial dysfunction. DESIGN: We examined the contribution of the gut microbiota to vascular dysfunction observed in apolipoprotein E knockout (Apoe(-/-)) mice fed an n-3 polyunsaturated fatty acid (PUFA)-depleted diet for 12 weeks with or without inulin-type fructans (ITFs) supplementation for the last 15 days...
April 4, 2017: Gut
https://www.readbyqxmd.com/read/28350851/alcohol-related-changes-in-the-intestinal-microbiome-influence-neutrophil-infiltration-inflammation-and-steatosis-in-early-alcoholic-hepatitis-in-mice
#6
Patrick P Lowe, Benedek Gyongyosi, Abhishek Satishchandran, Arvin Iracheta-Vellve, Aditya Ambade, Karen Kodys, Donna Catalano, Doyle V Ward, Gyongyi Szabo
BACKGROUND: Alcohol-induced intestinal dysbiosis disrupts homeostatic gut-liver axis function and is essential in the development of alcoholic liver disease. Here, we investigate changes in enteric microbiome composition in a model of early alcoholic steatohepatitis and dissect the pathogenic role of intestinal microbes in alcohol-induced liver pathology. MATERIALS AND METHODS: Wild type mice received a 10-day diet that was either 5% alcohol-containing or an isocaloric control diet plus a single binge...
2017: PloS One
https://www.readbyqxmd.com/read/28349946/gut-metagenomic-analysis-reveals-prominent-roles-of-lactobacillus-and-cecal-microbiota-in-chicken-feed-efficiency
#7
Wei Yan, Congjiao Sun, Jingwei Yuan, Ning Yang
Interactions between the host and gut microbiota can affect gut metabolism. In this study, the individual performances of 252 hens were recorded to evaluate feed efficiency. Hens with contrasting feed efficiencies (14 birds per group) were selected to investigate their duodenal, cecal and fecal microbial composition by sequencing the 16S rRNA gene V4 region. The results showed that the microbial community in the cecum was quite different from those in the duodenum and feces. The highest biodiversity and all differentially abundant taxa between the different efficiency groups were observed in the cecal microbial community with false discovery rate (FDR) <0...
March 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28346358/genomic-evidence-for-bacterial-determinants-influencing-obesity-development
#8
Raphael D Isokpehi, Shaneka S Simmons, Matilda O Johnson, Marinelle Payton
Obesity is a major global public health problem requiring multifaceted interventional approaches including dietary interventions with probiotic bacteria. High-throughput genome sequencing of microbial communities in the mammalian gastrointestinal system continues to present diverse protein function information to understand the bacterial determinants that influence obesity development. The goal of the research reported in this article was to identify biological processes in probiotic bacteria that could influence the mechanisms for the extraction of energy from diet in the human gastrointestinal system...
March 26, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28300176/nanoscale-zero-valent-iron-persulfate-enhanced-upflow-anaerobic-sludge-blanket-reactor-for-dye-removal-insight-into-microbial-metabolism-and-microbial-community
#9
Fei Pan, Xiaohan Zhong, Dongsheng Xia, Xianze Yin, Fan Li, Dongye Zhao, Haodong Ji, Wen Liu
This study investigated the efficiency of nanoscale zero-valent iron combined with persulfate (NZVI/PS) for enhanced degradation of brilliant red X-3B in an upflow anaerobic sludge blanket (UASB) reactor, and examined the effects of NZVI/PS on anaerobic microbial communities during the treatment process. The addition of NZVI (0.5 g/L) greatly enhanced the decolourization rate of X-3B from 63.8% to 98.4%. The Biolog EcoPlate(TM) technique was utilized to examine microbial metabolism in the reactor, and the Illumina MiSeq high-throughput sequencing revealed 22 phyla and 88 genera of the bacteria...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28293234/dysbiosis-of-gut-microbiota-associated-with-clinical-parameters-in-polycystic-ovary-syndrome
#10
Rui Liu, Chenhong Zhang, Yu Shi, Feng Zhang, Linxia Li, Xuejiao Wang, Yunxia Ling, Huaqing Fu, Weiping Dong, Jian Shen, Andrew Reeves, Andrew S Greenberg, Liping Zhao, Yongde Peng, Xiaoying Ding
Polycystic ovary syndrome (PCOS) is a common endocrine and metabolic disorder in women. Gut microbiota has been implicated to play a critical role in metabolic diseases and may modulate the secretion of mediators of the brain-gut axis. Interaction between gut microbiota and the endocrine and biochemical disturbances in PCOS still remains elusive. Here, we showed an altered gut microbiota significantly correlated with PCOS phenotype. There were 33 patients with PCOS (non-obese PCOS individuals, PN, n = 12; obese PCOS individuals, PO, n = 21) as well as 15 control subjects (non-obese control individuals, CN, n = 9; obese control individuals, CO, n = 6) enrolled in our study...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28286571/we-are-not-alone-a-case-for-the-human-microbiome-in-extra-intestinal-diseases
#11
EDITORIAL
S Shivaji
BACKGROUND: "Dysbiosis" in the gut microbiome has been implicated in auto-immune diseases, in inflammatory diseases, in some cancers and mental disorders. The challenge is to unravel the cellular and molecular basis of dysbiosis so as to understand the disease manifestation. MAIN BODY: Next generation sequencing and genome enabled technologies have led to the establishment of the composition of gut microbiomes and established that "dysbiosis" is the cause of several diseases...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28280715/enterotype-may-drive-the-dietary-associated-cardiometabolic-risk-factors
#12
Ana C F de Moraes, Gabriel R Fernandes, Isis T da Silva, Bianca Almeida-Pititto, Everton P Gomes, Alexandre da Costa Pereira, Sandra R G Ferreira
Analyses of typical bacterial clusters in humans named enterotypes may facilitate understanding the host differences in the cardiometabolic profile. It stills unknown whether the three previously described enterotypes were present in populations living below the equator. We examined how the identification of enterotypes could be useful to explain the dietary associations with cardiometabolic risk factors in Brazilian subjects. In this cross-sectional study, a convenience sample of 268 adults (54.2% women) reported their dietary habits and had clinical and biological samples collected...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28280490/anti-obesity-effect-of-capsaicin-in-mice-fed-with-high-fat-diet-is-associated-with-an-increase-in-population-of-the-gut-bacterium-akkermansia-muciniphila
#13
Wei Shen, Mengyu Shen, Xia Zhao, Hongbin Zhu, Yuhui Yang, Shuguang Lu, Yinling Tan, Gang Li, Ming Li, Jing Wang, Fuquan Hu, Shuai Le
Capsaicin (CAP) reduces body weight mainly through activation of transient receptor potential vanilloid 1 (TRPV1) cation channel. However, recent evidence indicates that the gut microbiota influences many physiological processes in host and might provoke obesity. This study determined whether the anti-obesity effect of CAP is related to the changes in gut microbiota. C57BL/6 mice were fed either with high-fat diet (HFD) or HFD with CAP (HFD-CAP) for 9 weeks. We observed a significantly reduced weight gain and improved glucose tolerance in HFD-CAP-fed mice compared with HFD-fed mice...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28260061/subgingival-dysbiosis-in-smoker-and-non%C3%A2-smoker-patients-with-chronic-periodontitis
#14
Lorena Coretti, Mariella Cuomo, Ermanno Florio, Domenico Palumbo, Simona Keller, Raffaela Pero, Lorenzo Chiariotti, Francesca Lembo, Carlo Cafiero
Periodontitis is one of the most common oral inflammatory diseases, and results in connective tissue degradation and gradual tooth loss. It manifests with formation of periodontal pockets, in which anaerobic and Gram‑negative bacteria proliferate rapidly. Consequently, alteration of the subgingival microbiota is considered the primary etiologic agent of periodontitis. Previous studies have reported that smokers are at increased risk of periodontal disease, in both prevalence and severity, indicating that smoking is a risk factor for the onset and progression of the pathology...
April 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28252538/dietary-supplementation-with-nonfermentable-fiber-alters-the-gut-microbiota-and-confers-protection-in-murine-models-of-sepsis
#15
Michael J Morowitz, Valentina Di Caro, Diana Pang, Jessica Cummings, Brian Firek, Matthew B Rogers, Sarangarajan Ranganathan, Robert S B Clark, Rajesh K Aneja
OBJECTIVES: Links between microbial alterations and systemic inflammation have been demonstrated in chronic disease, but little is known about these interactions during acute inflammation. This study investigates the effect of dietary supplementation with cellulose, a nonfermentable fiber, on the gut microbiota, inflammatory markers, and survival in two murine models of sepsis. DESIGN: Prospective experimental study. SETTING: University laboratory...
May 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28249045/pili-like-proteins-of-akkermansia-muciniphila-modulate-host-immune-responses-and-gut-barrier-function
#16
Noora Ottman, Justus Reunanen, Marjolein Meijerink, Taija E Pietilä, Veera Kainulainen, Judith Klievink, Laura Huuskonen, Steven Aalvink, Mikael Skurnik, Sjef Boeren, Reetta Satokari, Annick Mercenier, Airi Palva, Hauke Smidt, Willem M de Vos, Clara Belzer
Gut barrier function is key in maintaining a balanced response between the host and its microbiome. The microbiota can modulate changes in gut barrier as well as metabolic and inflammatory responses. This highly complex system involves numerous microbiota-derived factors. The gut symbiont Akkermansia muciniphila is positively correlated with a lean phenotype, reduced body weight gain, amelioration of metabolic responses and restoration of gut barrier function by modulation of mucus layer thickness. However, the molecular mechanisms behind its metabolic and immunological regulatory properties are unexplored...
2017: PloS One
https://www.readbyqxmd.com/read/28199741/melatonin-prevents-obesity-through-modulation-of-gut-microbiota-in-mice
#17
Pengfei Xu, Jialin Wang, Fan Hong, Sheng Wang, Xi Jin, Tingting Xue, Li Jia, Yonggong Zhai
Excess weight and obesity are severe public health threats worldwide. Recent evidence demonstrates that gut microbiota dysbiosis contributes to obesity and its comorbidities. The body weight-reducing and energy balancing effects of melatonin have been reported in several studies, but to date, no investigations toward examining whether the beneficial effects of melatonin are associated with gut microbiota have been carried out. In this study, we show that melatonin reduces body weight, liver steatosis, and low-grade inflammation as well as improving insulin resistance in high fat diet (HFD)-fed mice...
February 15, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28191503/differences-in-gut-metabolites-and-microbial-composition-and-functions-between-egyptian-and-u-s-children-are-consistent-with-their-diets
#18
V Shankar, M Gouda, J Moncivaiz, A Gordon, N V Reo, L Hussein, O Paliy
Previous studies indicated that populations consuming a Mediterranean diet rich in fiber, vegetables, and fruits have a significantly lower risk of cardiovascular and metabolic diseases than populations of industrialized societies consuming diets enriched in processed carbohydrates, animal proteins, and fats. To explore the potential contributions of gut microbiota to the observed diet-related metabolic effects, we conducted an integrative analysis of distal gut microbiota composition and functions and intestinal metabolites in Egyptian and U...
January 2017: MSystems
https://www.readbyqxmd.com/read/28187199/differences-in-gut-microbiota-profile-between-women-with-active-lifestyle-and-sedentary-women
#19
Carlo Bressa, María Bailén-Andrino, Jennifer Pérez-Santiago, Rocío González-Soltero, Margarita Pérez, Maria Gregoria Montalvo-Lominchar, Jose Luis Maté-Muñoz, Raúl Domínguez, Diego Moreno, Mar Larrosa
Physical exercise is a tool to prevent and treat some of the chronic diseases affecting the world's population. A mechanism through which exercise could exert beneficial effects in the body is by provoking alterations to the gut microbiota, an environmental factor that in recent years has been associated with numerous chronic diseases. Here we show that physical exercise performed by women to at least the degree recommended by the World Health Organization can modify the composition of gut microbiota. Using high-throughput sequencing of the 16s rRNA gene, eleven genera were found to be significantly different between active and sedentary women...
2017: PloS One
https://www.readbyqxmd.com/read/28180212/kodo-millet-whole-grain-and-bran-supplementation-prevents-high-fat-diet-induced-derangements-in-a-lipid-profile-inflammatory-status-and-gut-bacteria-in-mice
#20
Siddhartha M Sarma, Pragyanshu Khare, Sneha Jagtap, Dhirendra P Singh, Ritesh K Baboota, Koteswaraiah Podili, Ravneet K Boparai, Jaspreet Kaur, Kamlesh K Bhutani, Mahendra Bishnoi, Kanthi Kiran Kondepudi
The protective role of kodo millet whole grain and bran supplementation in diet induced obesity has not been investigated. Here we have studied the role of kodo millet supplementation in age matched Swiss albino mice that were randomly divided into groups and fed their respective diets for 16 weeks. A high fat diet increased weight gain, reduced glucose tolerance, increased serum lipids, altered hepatic and adipocyte gene expression and caused dysbiosis in the intestinal beneficial bacteria. Kodo millet supplementation did not affect weight gain but it improved glucose tolerance and prevented an increase in the serum cholesterol and lipid parameters (P ≤ 0...
February 9, 2017: Food & Function
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