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https://www.readbyqxmd.com/read/28429701/-microbiota-and-metabolic-syndrome
#1
Yüksel Altuntaş, Adnan Batman
The role of gut bacteria in the pathogenesis and treatment of various diseases has been a focus of attention in the last 10 years. Prevalence of diabetes, obesity, and cardiovascular diseases continues to increase, in spite of technological developments and treatment alternatives. Microbial dysbiosis, described as the decrease of useful bacteria and the increase of harmful bacteria, has been associated with diabetes, obesity, atherosclerosis, and metabolic syndrome. In microbial dysbiosis, increase of harmful metabolites and changes to composition of bile acids occur via carbohydrate and protein fermentation...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28427452/modeling-environmental-risk-factors-of-autism-in-mice-induces-ibd-related-gut-microbial-dysbiosis-and-hyperserotonemia
#2
Joon Seo Lim, Mi Young Lim, Yongbin Choi, GwangPyo Ko
Autism spectrum disorder (ASD) is a range of neurodevelopmental conditions that are sharply increasing in prevalence worldwide. Intriguingly, ASD is often accompanied by an array of systemic aberrations including (1) increased serotonin, (2) various modes of gastrointestinal disorders, and (3) inflammatory bowel disease (IBD), albeit the underlying cause for such comorbidities remains uncertain. Also, accumulating number of studies report that the gut microbial composition is significantly altered in children with ASD or patients with IBD...
April 20, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28426878/microbiota-nash-hcc-and-the-potential-role-of-probiotics
#3
Giovanni Brandi, Stefania De Lorenzo, Marco Candela, Maria Abbondanza Pantaleo, Stefano Bellentani, Francesco Tovoli, Gioconda Saccoccio, Guido Biasco
Hepatocellular carcinoma (HCC) accounts for the majority of primary liver cancers. Clearly identifiable risk factors are lacking in up to 30% of HCC patients and most of these cases are attributed to non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH). Beyond the known risk factors for NAFLD, the intestinal microbiota, in particular dysbiosis (defined as any change in the composition of the microbiota commonly found in healthy conditions) is emerging as a new factor promoting the development of chronic liver diseases and HCC...
March 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28426649/the-importance-of-appropriate-initial-bacterial-colonization-of-the-intestine-in-newborn-child-and-adult-health
#4
REVIEW
W Allan Walker
The fetus does not reside in a sterile intrauterine environment and is exposed to commensal bacteria from the maternal gut/blood stream which crosses the placenta and enters the amniotic fluid. This intestinal exposure to colonizing bacteria continues at birth and during the first year of life and has a profound influence on lifelong health. Why is this important? Intestinal crosstalk with colonizing bacteria in the developing intestine affects the infant's adaptation to extrauterine life (immune homeostasis) and provides protection against disease expression (allergy, autoimmune disease, obesity, etc...
April 20, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28425490/urinary-and-fecal-metabonomics-study-of-the-protective-effect-of-chaihu-shu-gan-san-on-antibiotic-induced-gut-microbiota-dysbiosis-in-rats
#5
Meng Yu, Hong-Mei Jia, Chao Zhou, Yong Yang, Li-Li Sun, Zhong-Mei Zou
Accumulating evidence suggests that the gut microbiota dysbiosis and their host metabolic phenotype alteration is an important factor in human disease development. A traditional Chinese herbal formula, Chaihu-Shu-Gan-San (CSGS), has been effectively used in the treatment of various gastrointestinal (GI) disorders. The present study was carried out to investigate whether CSGS modulates the host metabolic phenotype under the condition of gut microbiota dysbiosis. The metabonomics studies of biochemical changes in urine and feces of antibiotic-induced gut microbiota dysbiosis rats after treatment with CSGS were performed using UPLC-Q-TOF/MS...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28425154/rifaximin-in-non-alcoholic-steatohepatitis-an-open-label-pilot-study
#6
Jeremy F L Cobbold, Stephen Atkinson, Julian R Marchesi, Ann Smith, Sann N Wai, Julie Stove, Fariba Shojaee-Moradie, Nicola Jackson, A Margot Umpleby, Julie Fitzpatrick, E Louise Thomas, Jimmy D Bell, Elaine Holmes, Simon D Taylor-Robinson, Robert D Goldin, Michael S Yee, Quentin M Anstee, Mark R Thursz
AIM: Gut microbial dysbiosis is implicated in the pathogenesis of non-alcoholic steatohepatitis (NASH). We investigated downstream effects of gut microbiota modulation on markers of hepatic inflammation, steatosis, and hepatic and peripheral insulin sensitivity in patients with NASH using Rifaximin therapy. METHODS: Patients with biopsy-proven NASH and elevated aminotransferase values were included in this open-label pilot study, all receiving 6 weeks Rifaximin 400 mg twice daily, followed by a 6 week observation period...
April 20, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28425133/fecal-microbiota-signatures-of-adult-patients-with-different-types-of-short-bowel-syndrome
#7
Yuhua Huang, Feilong Guo, Yousheng Li, Jian Wang, Jieshou Li
BACKGROUND AND AIM: Short bowel syndrome (SBS) is a common cause of intestinal failure and can be divided into three types depending on intestinal anatomy. Gut dysbiosis has been observed in pediatric SBS patients and is associated with impaired outcome. Little is known about the changes in gut microbiota of adult SBS patients. Therefore, we aim to characterize the fecal microbiota of adult patients with different types of SBS. METHODS: Fifteen fecal samples from healthy controls and adult patients with type II or type III SBS were collected (five in each group)...
April 19, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28422780/understanding-the-gut-microbiota-in-inflammatory-and-functional-gastrointestinal-diseases
#8
Johanna Sundin, Lena Öhman, Magnus Simren
OBJECTIVE: During the last decade experimental and observational studies have shown that patients with Inflammatory Bowel Disease (IBD) and Irritable Bowel Syndrome (IBS) may have an altered intestinal microbial composition compared to healthy subjects. However, no uniform microbial signature has as yet been detected for either IBD or IBS. This review summarizes the current knowledge of microbial dysbiosis, and its potential relationship to the pathophysiology in IBD and IBS. METHODS: A selective review was conducted to summarize the current knowledge of gut microbiota in the pathophysiology of IBD and IBS...
April 18, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28421057/gut-microbiota-modulation-and-its-relationship-with-obesity-using-prebiotic-fibers-and-probiotics-a-review
#9
REVIEW
Dinesh K Dahiya, Renuka, Monica Puniya, Umesh K Shandilya, Tejpal Dhewa, Nikhil Kumar, Sanjeev Kumar, Anil K Puniya, Pratyoosh Shukla
In the present world scenario, obesity has almost attained the level of a pandemic and is progressing at a rapid rate. This disease is the mother of all other metabolic disorders, which apart from placing an added financial burden on the concerned patient also has a negative impact on his/her well-being and health in the society. Among the various plausible factors for the development of obesity, the role of gut microbiota is very crucial. In general, the gut of an individual is inhabited by trillions of microbes that play a significant role in host energy homeostasis by their symbiotic interactions...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28416515/multivariate-modelling-of-faecal-bacterial-profiles-of-patients-with-ibs-predicts-responsiveness-to-a-diet-low-in-fodmaps
#10
Sean M P Bennet, Lena Böhn, Stine Störsrud, Therese Liljebo, Lena Collin, Perjohan Lindfors, Hans Törnblom, Lena Öhman, Magnus Simrén
OBJECTIVE: The effects of dietary interventions on gut bacteria are ambiguous. Following a previous intervention study, we aimed to determine how differing diets impact gut bacteria and if bacterial profiles predict intervention response. DESIGN: Sixty-seven patients with IBS were randomised to traditional IBS (n=34) or low fermentable oligosaccharides, disaccharides, monosaccharides and polyols (FODMAPs) (n=33) diets for 4 weeks. Food intake was recorded for 4 days during screening and intervention...
April 17, 2017: Gut
https://www.readbyqxmd.com/read/28410921/a-randomized-trial-to-determine-the-impact-of-a-digestion-resistant-starch-composition-on-the-gut-microbiome-in-older-and-mid-age-adults
#11
Michelle J Alfa, David Strang, Paramjit S Tappia, Morag Graham, Gary Van Domselaar, Jessica D Forbes, Vanessa Laminman, Nancy Olson, Pat DeGagne, David Bray, Brenda-Lee Murray, Brenden Dufault, Lisa M Lix
BACKGROUND: The elderly often have a diet lacking resistant starch (RS) which is thought to lead to gut microbiome dysbiosis that may result in deterioration of gut colonocytes. OBJECTIVE: The primary objective was to assess if elderly (ELD; ≥ 70 years age) had microbiome dysbiosis compared to mid-age (MID; 30-50 years age) adults and then determine the impact of daily consumption of MSPrebiotic(®) (a RS) or placebo over 3 months on gut microbiome composition...
March 31, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28410788/independence-of-gut-bacterial-content-and-neonatal-necrotizing-enterocolitis-severity
#12
Lauren K Barron, Barbara B Warner, Phillip I Tarr, William D Shannon, Elena Deych, Brad W Warner
INTRODUCTION: Necrotizing enterocolitis (NEC) is a common and devastating gastrointestinal disease of premature infants. NEC severity varies widely. Recent data have demonstrated a strong link between gut microbial dysbiosis and development of NEC. We tested the hypothesis that alterations in the gut microbiome at the time of diagnosis predict the severity of NEC. METHODS: We used prospectively collected fecal samples from very low birth weight infants who developed NEC, stratifying by NEC severity...
April 5, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28406979/correction-gut-dysbiosis-is-associated-with-metabolism-and-systemic-inflammation-in-patients-with-ischemic-stroke
#13
Kazuo Yamashiro, Ryota Tanaka, Takao Urabe, Yuji Ueno, Yuichiro Yamashiro, Koji Nomoto, Takuya Takahashi, Hirokazu Tsuji, Takashi Asahara, Nobutaka Hattori
[This corrects the article DOI: 10.1371/journal.pone.0171521.].
2017: PloS One
https://www.readbyqxmd.com/read/28405140/diet-and-microbiota-in-inflammatory-bowel-disease-the-gut-in-disharmony
#14
REVIEW
Davy C M Rapozo, Claudio Bernardazzi, Heitor Siffert Pereira de Souza
Bacterial colonization of the gut shapes both the local and the systemic immune response and is implicated in the modulation of immunity in both healthy and disease states. Recently, quantitative and qualitative changes in the composition of the gut microbiota have been detected in Crohn's disease and ulcerative colitis, reinforcing the hypothesis of dysbiosis as a relevant mechanism underlying inflammatory bowel disease (IBD) pathogenesis. Humans and microbes have co-existed and co-evolved for a long time in a mutually beneficial symbiotic association essential for maintaining homeostasis...
March 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28400259/a-role-for-the-peripheral-immune-system-in-the-development-of-alcohol-use-disorders
#15
REVIEW
Philippe de Timary, Peter Stärkel, Nathalie M Delzenne, Sophie Leclercq
Preclinical studies have largely supported that alcohol-consumption induces the development of an important neuro-inflammation and this neuro-inflammation contributes to alcohol-drinking behaviors, notably through TLR4 and LPS related mechanisms. The neuro-inflammation originates from a direct interaction of ethanol with the neuronal and immune brain cells, but also from the generation of an inflammation at the periphery. Ethanol in particular interacts with the intestine to develop a gut dysbiosis and an increase in gut permeability, that allows the liberation of bacterial fragments to the systemic circulation and induces a pro-inflammatory response in the systemic circulation and peripheral organs, and in particular the liver...
April 8, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28399013/caspase-recruitment-domain-9-microbiota-and-tryptophan-metabolism-dangerous-liaisons-in-inflammatory-bowel-diseases
#16
Bruno Lamas, Mathias L Richard, Harry Sokol
PURPOSE OF REVIEW: Inflammatory bowel diseases (IBDs) develop as a result of a combination of genetic predisposition, dysbiosis of the gut microbiota, and environmental influences. Here, we describe an example of how caspase recruitment domain 9 (CARD9), one of the numerous IBD susceptibility genes, participate to colitis susceptibility by shaping gut microbiota to produce tryptophan metabolites. RECENT FINDINGS: Recent study showed that CARD9 mice are more susceptible to colitis as a result of impaired interleukin 22 signaling pathway...
April 8, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28396324/giardia-alters-commensal-microbial-diversity-throughout-the-murine-gut
#17
N R Barash, J G Maloney, S M Singer, S C Dawson
Giardia lamblia is the most frequently identified protozoan cause of intestinal infection. Over one billion people are estimated to have acute or chronic giardiasis, with infection rates approaching 90% in endemic areas. Despite its significance in global health, the mechanisms of pathogenesis associated with giardiasis remain unclear as the parasite neither produces a known toxin nor induces a robust inflammatory response. Giardia colonization and proliferation in the small intestine of the host may, however, disrupt the ecological homeostasis of gastrointestinal commensal microbes and contribute to diarrheal disease associated with giardiasis...
April 10, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28391755/probiotic-supplementation-in-neonates-with-major-gastrointestinal-surgical-conditions-a-systematic-review
#18
Shripada Rao, Karen Simmer, Sanjay Patole
OBJECTIVES: Neonates with major gastrointestinal surgical conditions frequently suffer from prolonged feed intolerance, infections and need multiple courses of antibiotics. All these put them at risk of gut dysbiosis. Probiotic supplementation has the potential to minimise dysbiosis and improve clinical outcomes in such infants. Hence we aimed to conduct a systematic review of probiotics in neonates with major surgical conditions of the gut. METHODS: Medline, Embase, the Cochrane Central Register of Controlled Trials (CENTRAL), and other databases were searched in September 2016...
April 10, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28390574/airway-microbial-dysbiosis-in-asthmatic-patients-a%C3%A2-target-for-prevention-and-treatment
#19
REVIEW
Kian Fan Chung
There has been long-standing interest in the role of bacterial communities in the complex and heterogeneous disease of asthma. With the advent of 16s rRNA sequencing replacing traditional culture methods, a strong association between the presence of bacterial communities with asthma has emerged. These microbiota can be modulated by various environmental factors, including diet, antibiotics, and early-life microbial exposures. Microbiota in the gut and lungs can influence both the inception and progress of asthma...
April 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28384049/intestinal-iga-as-a-modulator-of-the-gut-microbiota
#20
Shinsaku Okai, Fumihito Usui, Misa Ohta, Hiroshi Mori, Ken Kurokawa, Satoshi Matsumoto, Tamotsu Kato, Eiji Miyauchi, Hiroshi Ohno, Reiko Shinkura
Accumulating evidence suggests that dysbiosis plays a role in the pathogenesis of intestinal diseases including inflammatory bowel disease (IBD) as well as extra-intestinal disorders. As a modulator of the intestinal microbiota, we isolated a mouse monoclonal IgA antibody (clone W27) with high affinities for multiple commensal bacteria, but not for beneficial bacteria such as Lactobacillus casei (L. casei). Via specific recognition of an epitope in serine hydroxymethyltransferase (SHMT), a bacterial metabolic enzyme, W27 IgA selectively inhibited the in vitro growth of bound bacteria, including Escherichia coli (E...
April 6, 2017: Gut Microbes
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