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https://www.readbyqxmd.com/read/28732789/effect-of-ceftiofur-and-enrofloxacin-on-e-coli-sub-population-in-pig-gastrointestinal-tract
#1
Dachuan Lin, Kaichao Chen, Miaomiao Xie, Lianwei Ye, Edward Wai-Chi Chan, Sheng Chen
BACKGROUND: Antibiotic resistant sub-population of the gut microbiome in both human and animals may be enriched during antimicrobial treatment. METHODS: This study investigated how the size and antibiotic susceptibility profiles of antibiotic resistant sub-population organisms in the animal gastrointestinal tract changed upon exposure to different levels of ceftiofur and enrofloxacin by plating fecal samples collected from piglets before and after antibiotic treatment onto MacConkey agar containing 0...
July 18, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28703111/clinical-and-microbiological-aspects-of-the-use-of-lactobacillus-rhamnosus-pl1-strains-in-proctological-patients-with-symptoms-of-chronic-proctitis
#2
K Borycka-Kiciak, M Strus, P Pietrzak, K Wawiernia, D Mikołajczyk, M Gałęcka, P Heczko, W Tarnowski
Recurrent proctitis and the symptoms associated therewith pose significant clinical problem in proctological patients. The objective of this study was to assess the impact of the probiotic Lactobacillus rhamnosus PL1 strain on the clinical presentation and composition of intestinal microbiota in patients with symptoms of proctitis in the course of hemorrhoidal disease and diverticulosis. Material consisted of 24 patients in whom no complete clinical improvement could be obtained after the treatment of the underlying disease...
June 30, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28686541/the-role-of-probiotics-in-children-with-autism-spectrum-disorder-a-prospective-open-label-study
#3
Sanaa Y Shaaban, Yasmin G El Gendy, Nayra S Mehanna, Waled M El-Senousy, Howaida S A El-Feki, Khaled Saad, Osama M El-Asheer
OBJECTIVE: There are limited data on the efficacy of probiotics in children with ASD, therefore, this study aims to evaluate the efficacy and tolerability of probiotics in an Egyptian cohort of children with ASD. METHODS: Gastrointestinal (GI) flora were assessed by quantitative real-time PCR of stool samples of 30 autistic children from 5 to 9 years old. GI symptoms of autistic children were assessed with a modified six-item Gastrointestinal Severity Index (6-GSI) questionnaire, and autistic symptoms were assessed with Autism Treatment Evaluation Checklist (ATEC) before and after 3 months of supplementation of probiotics nutritional supplement formula (each gram contains 100 × 10(6) colony forming units of three probiotic strains; Lactobacillus acidophilus, Lactobacillus rhamnosus and Bifidobacteria longum)...
July 7, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28683093/regulation-of-gut-luminal-serotonin-by-commensal-microbiota-in-mice
#4
Tomokazu Hata, Yasunari Asano, Kazufumi Yoshihara, Tae Kimura-Todani, Noriyuki Miyata, Xue-Ting Zhang, Shu Takakura, Yuji Aiba, Yasuhiro Koga, Nobuyuki Sudo
Gut lumen serotonin (5-hydroxytryptamine: 5-HT) contributes to several gastrointestinal functions such as peristaltic reflexes. 5-HT is released from enterochromaffin (EC) cells in response to a number of stimuli, including signals from the gut microbiota. However, the specific mechanism by which the gut microbiota regulates 5-HT levels in the gut lumen has not yet been clarified. Our previous work with gnotobiotic mice showed that free catecholamines can be produced by the deconjugation of conjugated catecholamines; hence, we speculated that deconjugation by bacterial enzymes may be one of the mechanisms whereby gut microbes can produce free 5-HT in the gut lumen...
2017: PloS One
https://www.readbyqxmd.com/read/28680375/tlr-myd88-mediated-innate-immunity-in-intestinal-graft-versus-host-disease
#5
REVIEW
Young-Kwan Lee, Myungsoo Kang, Eun Young Choi
Graft-versus-host disease (GHVD) is a severe complication after allogeneic hematopoietic stem cell transplantation. The degree of inflammation in the gastrointestinal tract, a major GVHD target organ, correlates with the disease severity. Intestinal inflammation is initiated by epithelial damage caused by pre-conditioning irradiation. In combination with damages caused by donor-derived T cells, such damage disrupts the epithelial barrier and exposes innate immune cells to pathogenic and commensal intestinal bacteria, which release ligands for Toll-like receptors (TLRs)...
June 2017: Immune Network
https://www.readbyqxmd.com/read/28659559/microflora-in-the-soft-tissue-of-the-pacific-oyster-crassostrea-gigas-exposed-to-the-harmful-microalga-heterosigma-akashiwo
#6
Shinkuro Takenaka, Takeshi Yoshikawa, Shusaku Kadowaki, Suguru Okunishi, Hiroto Maeda
 A marine raphidophyte Heterosigma akashiwo is a causative agent of harmful microalgal blooms, which often cause the massive mortality of aquacultured finfish. In the present study, the Pacific oyster Crassostrea gigas was reared with H. akashiwo, and effect of the microalga on filter-feeding behavior and microflora of the gastrointestinal tract was investigated. The intake of the raphidophyte cells inhibited the molluscan filter-feeding activities, suggesting the negative physiological effect of the microalgal cell contents...
2017: Biocontrol Science
https://www.readbyqxmd.com/read/28655409/concurrent-inflammatory-bowel-disease-and-gastrointestinal-stromal-tumor
#7
María Agud Fernández, Flora López López, Carmen Díaz Pedroche, Carlos Gómez-Martín
No abstract text is available yet for this article.
June 24, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28653519/-dyspnea-and-cardia-cancer-an-unusual-etiology
#8
S Speybrouck, L Claeys, A Hendlisz, A P Meert
CASE REPORT: a 63-year old man, followed for a metastatic cardia cancer, develop a pericardial effusion with sign of pre-tamponade. A CT scanner suggests the presence of a gastro- esophageal-pericardial fistula. A surgical drainage brings a purulent fluid, infected by a polymicrobial flora. Despite early antibiotics with vancomycin and piperacillin-tazobactam, the patient dies five days after the drainage. DISCUSSION: purulent pericarditis associated with gastrointestinal neoplasia may be due to sepsis or a proximity invasion ...
2017: Revue Médicale de Bruxelles
https://www.readbyqxmd.com/read/28646079/identification-of-flavin-containing-monooxygenase-5-fmo5-as-a-regulator-of-glucose-homeostasis-and-a-potential-sensor-of-gut-bacteria
#9
Flora Scott, Sandra G Gonzalez Malagon, Brett A O'Brien, Diede Fennema, Sunil Veeravalli, Clarissa R Coveney, Ian R Phillips, Elizabeth A Shephard
We have previously identified flavin-containing monooxygenase 5 (FMO5) as a regulator of metabolic ageing. The aim of the present study was to investigate the role of FMO5 in glucose homeostasis and the impact of diet and gut flora on the phenotype of mice in which the Fmo5 gene has been disrupted (Fmo5(-/-) mice). In comparison with wild-type (WT) counterparts, Fmo5(-/-) mice are resistant to age-related changes in glucose homeostasis and maintain the higher glucose tolerance and insulin sensitivity characteristic of young animals...
June 23, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28625867/understanding-the-holobiont-how-microbial-metabolites-affect-human-health-and-shape-the-immune-system
#10
REVIEW
Thomas Siegmund Postler, Sankar Ghosh
The human gastrointestinal tract is populated by a diverse, highly mutualistic microbial flora, which is known as the microbiome. Disruptions to the microbiome have been shown to be associated with severe pathologies of the host, including metabolic disease, cancer, and inflammatory bowel disease. Mood and behavior are also susceptible to alterations in the gut microbiota. A particularly striking example of the symbiotic effects of the microbiome is the immune system, whose cells depend critically on a diverse array of microbial metabolites for normal development and behavior...
July 5, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28624518/role-of-gut-microbiota-against-calcium-oxalate
#11
REVIEW
Humaira Sadaf, Syed Irfan Raza, Syed Waqas Hassan
Nephrolithiasis is a condition marked by the presence or formation of stones in kidneys. Several factors contribute to kidney stones development such as environmental conditions, type of dietary intake, gender and gastrointestinal flora. Most of the kidney stones are composed of calcium phosphate and calcium oxalate, which enter in to the body through diet. Both sources of oxalates become dangerous when normal flora of gastrointestinal tract is disturbed. Oxalobacter and Lactobacillus species exist symbiotically in the human gut and prevent stone formation by altering some biochemical pathways through production of specific enzymes which help in the degradation of oxalate salts...
August 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28587887/effect-of-diet-and-gut-environment-on-the-gastrointestinal-formation-of-n-nitroso-compounds-a-review
#12
REVIEW
Jun Kobayashi
Diet is associated with the development of cancer in the gastrointestinal (GI) tract, because dietary nitrate and nitrite are the main nitrosating agents that are responsible for the formation of carcinogenic N-nitroso compounds (NOCs) when nitrosatable substrates, such as amine and amide, are present in the GI tract. However, whether the nitroso compounds become beneficial S-nitroso compounds or carcinogenic NOCs might depend on dietary and environmental factors including food stuffs, gastric acidity, microbial flora, and the mean transit time of digesta...
June 3, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28553195/characterization-of-the-cultivable-gut-microflora-in-wild-caught-%C3%A2-mediterranean-fish-species
#13
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/28531869/a-rare-case-of-subacute-appendicitis-actinomycosis-as-the-final-pathology-reports-a-case-report-and-literature-review
#14
G A Gómez-Torres, O S Ortega-Gárcia, E G Gutierrez-López, C A Carballido-Murguía, J A Flores-Rios, C R López-Lizarraga, C A Bautista López, C F Ploneda-Valencia
INTRODUCTION: Acute appendicitis is the most common indication for an emergency abdominal surgery in the world, with a lifetime incidence of around 10%. Actinomycetes are the etiology of appendicitis in only 0.02%-0.06%, having as the final pathology report a chronic inflammatory response; less than 10% of the cases are diagnosed before surgery. Here, we present the case of a subacute appendicitis secondary to actinomycosis. CASE REPORT: A 39-year-old male presented with a twelve-day evolution of intermittent abdominal pain in the right lower quadrant, treated at the beginning with ciprofloxacin and urinary analgesic...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28527509/impact-of-qi-invigorating-traditional-chinese-medicines-on-intestinal-flora-a-basis-for-rational-choice-of-prebiotics
#15
REVIEW
Xiao-Meng Wang, Xiao-Bo Li, Ying Peng
According to the theory of traditional Chinese medicine (TCM), Qi (vital energy) is regarded as a driving force of biological activities in human body, including both nutrient substances and organ functions. Qi-invigorating TCMs are widely used to treat various symptoms and disorders, such as fatigue, obesity, immunosuppression, intestinal flora imbalance, and gastrointestinal diseases, in which Qi is considered to be reduced or depleted. Interestingly, abundant clinical evidences suggest that these disorders are associated with the alternation of intestinal flora, which directly affects disease status...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28506251/diversity-in-vitro-virulence-traits-and-antifungal-susceptibility-pattern-of-gastrointestinal-yeast-flora-of-healthy-poultry-gallus-gallus-domesticus
#16
Supram Hosuru Subramanya, Nawal Kishor Sharan, Bharat Prasad Baral, Deependra Hamal, Niranjan Nayak, Peralam Yegneswaran Prakash, Brijesh Sathian, Indira Bairy, Shishir Gokhale
BACKGROUND: Poultry farming and consumption of poultry (Gallus gallus domesticus) meat and eggs are common gastronomical practices worldwide. Till now, a detailed understanding about the gut colonisation of Gallus gallus domesticus by yeasts and their virulence properties and drug resistance patterns in available literature remain sparse. This study was undertaken to explore this prevalent issue. RESULTS: A total of 103 specimens of fresh droppings of broiler chickens (commercial G domesticus) and domesticated chickens (domesticated G domesticus) were collected from the breeding sites...
May 15, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28503135/the-gut-microbiota-and-autism-spectrum-disorders
#17
REVIEW
Qinrui Li, Ying Han, Angel Belle C Dy, Randi J Hagerman
Gastrointestinal (GI) symptoms are a common comorbidity in patients with autism spectrum disorder (ASD), but the underlying mechanisms are unknown. Many studies have shown alterations in the composition of the fecal flora and metabolic products of the gut microbiome in patients with ASD. The gut microbiota influences brain development and behaviors through the neuroendocrine, neuroimmune and autonomic nervous systems. In addition, an abnormal gut microbiota is associated with several diseases, such as inflammatory bowel disease (IBD), ASD and mood disorders...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28501386/atrioesophageal-fistula-after-ablation-for-atrial-fibrillation
#18
Trisha Mackle, Kevin Pistawka
BACKGROUND: Atrioesophageal fistula (AEF) is a rare and highly fatal complication of ablation procedures for atrial fibrillation. We report a diagnostically challenging case of AEF that highlights the unfortunate outcome that can be expected when this condition is not promptly diagnosed and managed accordingly. The varied clinical presentations are reviewed and recommended diagnostic and management approaches are presented. CASE REPORT: A 79-year-old female who was 5 weeks post-ablation presented to a community emergency department with chest pain and a transient episode of left-arm weakness...
May 10, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28484457/type-i-and-type-iii-interferons-display-different-dependency-on-mitogen-activated-protein-kinases-to-mount-an-antiviral-state-in-the-human-gut
#19
Kalliopi Pervolaraki, Megan L Stanifer, Stephanie Münchau, Lynnsey A Renn, Dorothee Albrecht, Stefan Kurzhals, Elena Senís, Dirk Grimm, Jutta Schröder-Braunstein, Ronald L Rabin, Steeve Boulant
Intestinal epithelial cells (IECs) are constantly exposed to commensal flora and pathogen challenges. How IECs regulate their innate immune response to maintain gut homeostasis remains unclear. Interferons (IFNs) are cytokines produced during infections. While type I IFN receptors are ubiquitously expressed, type III IFN receptors are expressed only on epithelial cells. This epithelium specificity strongly suggests exclusive functions at epithelial surfaces, but the relative roles of type I and III IFNs in the establishment of an antiviral innate immune response in human IECs are not clearly defined...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28480570/in-vitro-antifungal-probiotic-and-antioxidant-functional-properties-of-a-novel-lactobacillus-paraplantarum-isolated-from-fermented-dates-in-saudi-arabia
#20
Mariadhas Valan Arasu, Naif Abdullah Al-Dhabi
BACKGROUND: Fermented foods produced using dates are used in Gulf countries as beneficial and healthful foods. The beneficial microbial flora in fermented dates contributes to maintaining the nutritional properties of dates by preventing the growth of spoilage fungi. Here, we examined the antifungal, probiotic, and antioxidant properties of the novel Lactobacillus strain D-3 isolated from fermented dates. RESULTS: Analyzing the morphological, physiological, and biochemical characteristics of this strain demonstrated that it was similar to Lactobacillus species, and molecular level amplification of the 16S rRNA gene showed that it belonged to Lactobacillus paraplantarum...
May 8, 2017: Journal of the Science of Food and Agriculture
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