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https://www.readbyqxmd.com/read/28212864/gpr43-activation-enhances-psoriasis-like-inflammation-through-epidermal-upregulation-of-il-6-and-dual-oxidase-2-signaling-in-a-murine-model
#1
Ahmed Nadeem, Sheikh F Ahmad, Naif O Al-Harbi, Ahmed M El-Sherbeeny, Mohammed M Al-Harbi, Talal S Almukhlafi
The gut is densely inhabited by commensal bacteria, which metabolize dietary fibers/undigested carbohydrates and produce short-chain fatty acids such as acetate. GPR43 is one of the receptors to sense short-chain fatty acids, and expressed in various immune and non-immune cells. Acetate/GPR43 signaling has been shown to affect various inflammatory diseases through Th17 responses and NADPH oxidase (NOX)-derived reactive oxygen species (ROS) generation. However, no study has previously explored the effects of GPR43 activation during psoriasis-like inflammation...
February 14, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28209144/modified-enhanced-recovery-after-surgery-eras-protocols-for-patients-with-obstructive-colorectal-cancer
#2
Dai Shida, Kyoko Tagawa, Kentaro Inada, Keiichi Nasu, Yasuji Seyama, Tsuyoshi Maeshiro, Sachio Miyamoto, Satoru Inoue, Nobutaka Umekita
BACKGROUND: Enhanced recovery after surgery (ERAS) protocols are now well-known to be useful for elective colorectal surgery, as they result in shorter hospital stays without adversely affecting morbidity. However, the efficacy and safety of ERAS protocols for patients with obstructive colorectal cancer have yet to be clarified. METHODS: We evaluated 122 consecutive resections for obstructive colorectal cancer performed between July 2008 and November 2012 at Tokyo Metropolitan Bokutoh Hospital...
February 16, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28208609/dietary-fiber-and-the-human-gut-microbiota-application-of-evidence-mapping-methodology
#3
Caleigh M Sawicki, Kara A Livingston, Martin Obin, Susan B Roberts, Mei Chung, Nicola M McKeown
Interest is rapidly growing around the role of the human gut microbiota in facilitating beneficial health effects associated with consumption of dietary fiber. An evidence map of current research activity in this area was created using a newly developed database of dietary fiber intervention studies in humans to identify studies with the following broad outcomes: (1) modulation of colonic microflora; and/or (2) colonic fermentation/short-chain fatty acid concentration. Study design characteristics, fiber exposures, and outcome categories were summarized...
February 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28198673/diversity-and-enterotype-in-gut-bacterial-community-of-adults-in-taiwan
#4
Chao Liang, Han-Chi Tseng, Hui-Mei Chen, Wei-Chi Wang, Chih-Min Chiu, Jen-Yun Chang, Kuan-Yi Lu, Shun-Long Weng, Tzu-Hao Chang, Chao-Hsiang Chang, Chen-Tsung Weng, Hwei-Ming Wang, Hsien-Da Huang
BACKGROUND: Gastrointestinal microbiota, particularly gut microbiota, is associated with human health. The biodiversity of gut microbiota is affected by ethnicities and environmental factors such as dietary habits or medicine intake, and three enterotypes of the human gut microbiome were announced in 2011. These enterotypes are not significantly correlated with gender, age, or body weight but are influenced by long-term dietary habits. However, to date, only two enterotypes (predominantly consisting of Bacteroides and Prevotella) have shown these characteristics in previous research; the third enterotype remains ambiguous...
January 25, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28198428/acyl-ghrelin-induces-insulin-resistance-independently-of-gh-cortisol-and-free-fatty-acids
#5
Esben T Vestergaard, Niels Jessen, Niels Møller, Jens Otto Lunde Jørgensen
Ghrelin produced in the gut stimulates GH and ACTH secretion from the pituitary and also stimulates appetite and gastric emptying. We have shown that ghrelin also induces insulin resistance via GH-independent mechanisms, but it is unknown if this effect depends on ambient fatty acid (FFA) levels. We investigated the impact of ghrelin and pharmacological antilipolysis (acipimox) on insulin sensitivity and substrate metabolism in 8 adult hypopituitary patients on stable replacement with GH and hydrocortisone using a 2 × 2 factorial design: Ghrelin infusion, saline infusion, ghrelin plus short-term acipimox, and acipimox alone...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28196137/effects-of-dietary-nutrient-levels-on-microbial-community-composition-and-diversity-in-the-ileal-contents-of-pregnant-huanjiang-mini-pigs
#6
Yujiao Ji, Xiangfeng Kong, Huawei Li, Qian Zhu, Qiuping Guo, Yulong Yin
The mammalian gut microbiota influences various metabolic and physiological processes. Substantial metabolic changes occur during a healthy pregnancy that may be related to microbiota composition dynamics. However, the effect of diet on intestinal microbiota composition and diversity during pregnancy remains unclear. We examined the ileal contents of Huanjiang mini-pigs at two pregnancy stages to determine the effects of dietary nutrient levels on such microbial communities. Animals received either a higher-nutrient (HN) diet formulated to meet US National Research Council requirements or a lower-nutrient (LN) diet that met the Chinese National Feeding Standard recommendations...
2017: PloS One
https://www.readbyqxmd.com/read/28195067/the-effect-of-short-term-treatment-with-probiotic-vsl-3-on-various-clinical-and-biochemical-parameters-in-patients-with-liver-cirrhosis
#7
W Marlicz, E Wunsch, M Mydlowska, M Milkiewicz, K Serwin, M Mularczyk, P Milkiewicz, J Raszeja-Wyszomirska
The evidence is mounting that alterations of innate immunity and gut microbiota contribute to chronic liver disease and its complications. Modulation of intestinal microbiota is an emerging therapeutic strategy in hepatology. Probiotics through modulation of intestinal milieu have the potential to affect the course of liver disease. The data concerning the influence of probiotics on various plasma molecules and compounds involved in the pathogenesis of hyperdynamic circulatory state in liver cirrhosis is still not confluent and require further evaluation...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28194603/systemic-activation-of-nf-%C3%AE%C2%BAb-driven-luciferase-activity-in-transgenic-mice-fed-advanced-glycation-end-products-modified-albumin
#8
Norbert Nass, Kristina Bayreuther, Andreas Simm
Advanced glycation end products (AGEs) are stable end products of the Maillard reaction and accumulate with progressing ageing and degenerative diseases. Significant amounts of AGE-modified peptides are also consumed with processed food. AGEs bind to specific receptors, especially the receptor of AGEs (RAGE). Activation of RAGE then evokes intracellular signalling, finally resulting in the activation of the NF-κB transcription factor and therefore a proinflammatory state. We here analysed, whether NF-κB is activated in short term upon feeding an AGE-modified protein in-vivo...
February 13, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/28192894/remote-ischemic-preconditioning-in-cardiac-anesthesia-a-review-focusing-on-translation
#9
Christian Stoppe, Patrick Meybohm, Carina Benstoem, Andreas Goetzenich
INTRODUCTION: Remote Ischaemic Conditioning (RIC) is a powerful cardioprotective strategy. Its clinical application is simple, cheap and so far free from secondary side effects. Given the heterogeneous results of recent large-scale clinical trials, its clinical relevant benefit is still doubted. EVIDENCE ACQUISITION: Following a MEDLINE-based search on all publications concerning RIC in experimental or clinical settings, this review focuses on the translation from bench to bedside...
February 13, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28191783/concise-review-the-potential-use-of-intestinal-stem-cells-to-treat-patients-with-intestinal-failure
#10
Sung Noh Hong, James C Y Dunn, Matthias Stelzner, Martín G Martín
Intestinal failure is a rare life-threatening condition that results in the inability to maintain normal growth and hydration status by enteral nutrition alone. Although parenteral nutrition and whole organ allogeneic transplantation have improved the survival of these patients, current therapies are associated with a high risk for morbidity and mortality. Development of methods to propagate adult human intestinal stem cells (ISCs) and pluripotent stem cells raises the possibility of using stem cell-based therapy for patients with monogenic and polygenic forms of intestinal failure...
February 2017: Stem Cells Translational Medicine
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
#11
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/28188477/probiotic-potential-of-a-lactobacillus-bacterium-of-canine-faecal-origin-and-its-impact-on-select-gut-health-indices-and-immune-response-of-dogs
#12
Sachin Kumar, Ashok Kumar Pattanaik, Shalini Sharma, Sunil Eknath Jadhav, Narayan Dutta, Avneesh Kumar
The objective of the present study was to develop a probiotic of canine-origin for its potential application in pet nutrition. Accordingly, 32 lactic acid bacteria (LAB) strains were isolated from faeces of dogs, out of which 9 strains were short-listed for further in vitro testing based on the aggregation time and cell surface hydrophobicity. The results of acid-, bile- and phenol-tolerance tests indicated that out of the nine, isolate cPRO23 was having better resistance to these adverse conditions likely to be encountered in the gastrointestinal tract...
February 10, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28183450/the-role-of-short-chain-fatty-acids-in-kidney-injury-induced-by-gut-derived-inflammatory-response
#13
REVIEW
Wei Huang, Luping Zhou, Hengli Guo, Youhua Xu, Yong Xu
It has been found that several circulating metabolites derived from gut microbiota fermentation associate with a systemic immuno-inflammatory response and kidney injury, which has been coined the gut-kidney axis. Recent evidence has suggested that short-chain fatty acids (SCFAs), which are primarily originated from fermentation of dietary fiber in the gut, play an important role in regulation of immunity, blood pressure, glucose and lipid metabolism, and seem to be the link between microbiota and host homeostasis...
March 2017: Metabolism: Clinical and Experimental
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
#14
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
https://www.readbyqxmd.com/read/28179226/substituting-whole-grains-for-refined-grains-in-a-6-wk-randomized-trial-has-a-modest-effect-on-gut-microbiota-and-immune-and-inflammatory-markers-of-healthy-adults
#15
Sally M Vanegas, Mohsen Meydani, Junaidah B Barnett, Barry Goldin, Anne Kane, Helen Rasmussen, Carrie Brown, Pajau Vangay, Dan Knights, Satya Jonnalagadda, Katie Koecher, J Philip Karl, Michael Thomas, Gregory Dolnikowski, Lijun Li, Edward Saltzman, Dayong Wu, Simin Nikbin Meydani
Background: Observational studies suggest an inverse association between whole-grain (WG) consumption and inflammation. However, evidence from interventional studies is limited, and few studies have included measurements of cell-mediated immunity.Objective: We assessed the effects of diets rich in WGs compared with refined grains (RGs) on immune and inflammatory responses, gut microbiota, and microbial products in healthy adults while maintaining subject body weights.Design: After a 2-wk provided-food run-in period of consuming a Western-style diet, 49 men and 32 postmenopausal women [age range: 40-65 y, body mass index (in kg/m(2)) <35] were assigned to consume 1 of 2 provided-food weight-maintenance diets for 6 wk...
February 8, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28178633/a-novel-lcmsms-method-for-quantitative-measurement-of-short-chain-fatty-acids-in-human-stool-derivatized-with-12-c-and-13-c-labelled-aniline
#16
James Chun Yip Chan, Dorinda Yan Qin Kioh, Gaik Chin Yap, Bee Wah Lee, Eric Chun Yong Chan
A novel liquid chromatography tandem mass spectrometry (LCMSMS) method for the quantitative measurement of gut microbial-derived short-chain fatty acids (SCFAs) in human infant stool has been developed and validated. Baseline chromatographic resolution was achieved for 12 SCFAs (acetic, butyric, caproic, 2,2-dimethylbutyric, 2-ethylbutyric, isobutyric, isovaleric, 2-methylbutyric, 4-methylvaleric, propionic, pivalic and valeric acids) within an analysis time of 15min. A novel sequential derivatization of endogenous and spiked SCFAs in stool via (12)C- and (13)C-aniline respectively, facilitated the accurate quantitation of (12)C-aniline derivatized endogenous SCFAs based on calibration of exogenously (13)C-derivatized SCFAs...
January 28, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28178201/rett-syndrome-a-focus-on-gut-microbiota
#17
Elisa Borghi, Francesca Borgo, Marco Severgnini, Miriam Nella Savini, Maria Cristina Casiraghi, Aglaia Vignoli
Rett syndrome (RTT) is an X-linked neurodevelopmental disorder affecting 1 in 10,000 live female births. Changes in microbiota composition, as observed in other neurological disorders such as autism spectrum disorders, may account for several symptoms typically associated with RTT. We studied the relationship between disease phenotypes and microbiome by analyzing diet, gut microbiota, and short-chain fatty acid (SCFA) production. We enrolled eight RTT patients and 10 age- and sex-matched healthy women, all without dietary restrictions...
February 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28174773/dietary-fibre-based-scfa-mixtures-promote-both-protection-and-repair-of-intestinal-epithelial-barrier-function-in-a-caco-2-cell-model
#18
Tingting Chen, Choon Young Kim, Amandeep Kaur, Lisa Lamothe, Maliha Shaikh, Ali Keshavarzian, Bruce R Hamaker
Impaired gut barrier function plays an important role in the development of many diseases such as obesity, inflammatory bowel disease, and in HIV infection. Dietary fibres have been shown to improve intestinal barrier function through their fermentation products, short chain fatty acids (SCFAs), and the effects of individual SCFAs have been studied. Here, different SCFA mixtures representing possible compositions from fibre fermentation products were studied for protective and reparative effects on intestinal barrier function...
February 8, 2017: Food & Function
https://www.readbyqxmd.com/read/28170428/comparative-study-on-the-in-vitro-effects-of-pseudomonas-aeruginosa-and-seaweed-alginates-on-human-gut-microbiota
#19
Shaofeng Bai, Huahai Chen, Liying Zhu, Wei Liu, Hongwei D Yu, Xin Wang, Yeshi Yin
Alginates pertain to organic polysaccharides that have been extensively used in food- and medicine-related industries. The present study obtained alginates from an alginate overproducing Pseudomonas aeruginosa PAO1 mutant by screening transposon mutagenesis libraries. The interaction between bacterial and seaweed alginates and gut microbiota were further studied by using an in vitro batch fermentation system. Thin-layer chromatography (TLC) analysis indicated that both bacterial and seaweed alginates can be completely degraded by fecal bacteria isolated from study volunteers, indicating that a minor structural difference between bacterial and seaweed alginates (O-acetylation and lack of G-G blocks) didn't affect the digestion of alginates by human microbiota...
2017: PloS One
https://www.readbyqxmd.com/read/28167944/intestinal-dysbiosis-is-associated-with-altered-short-chain-fatty-acids-and-serum-free-fatty-acids-in-systemic-lupus-erythematosus
#20
Javier Rodríguez-Carrio, Patricia López, Borja Sánchez, Sonia González, Miguel Gueimonde, Abelardo Margolles, Clara G de Los Reyes-Gavilán, Ana Suárez
Metabolic impairments are a frequent hallmark of systemic lupus erythematosus (SLE). Increased serum levels of free fatty acids (FFA) are commonly found in these patients, although the underlying causes remain elusive. Recently, it has been suggested that factors other than inflammation or clinical features may be involved. The gut microbiota is known to influence the host metabolism, the production of short-chain fatty acids (SCFA) playing a potential role. Taking into account that lupus patients exhibit an intestinal dysbiosis, we wondered whether altered FFA levels may be associated with the intestinal microbial composition in lupus patients...
2017: Frontiers in Immunology
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