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Lactobacillus rhamnosus GG

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https://www.readbyqxmd.com/read/29128317/lack-of-efficacy-of-lactobacillus-gg-in-reducing-pulmonary-exacerbations-and-hospital-admissions-in-children-with-cystic-fibrosis-a-randomised-placebo-controlled-trial
#1
Eugenia Bruzzese, Valeria Raia, Eliana Ruberto, Riccardo Scotto, Antonietta Giannattasio, Dario Bruzzese, Maria Cristina Cavicchi, Michela Francalanci, Carla Colombo, Nadia Faelli, Valeria Daccò, Giuseppe Magazzù, Stefano Costa, Vincenzina Lucidi, Fabio Majo, Alfredo Guarino
BACKGROUND: Intestinal dysbiosis has been described in Cystic Fibrosis (CF) and probiotics have been proposed to restore microbial composition. Aim of the study was to investigate the effects of Lactobacillus rhamnosus GG (LGG) on clinical outcomes in children with cystic fibrosis (CF). METHODS: A multicentre, randomised double-blind, clinical trial was conducted in children with CF. After 6months of baseline assessment, enrolled children (2 to 16years of age) received Lactobacillus GG (6×10(9)CFU/day) or placebo for 12months...
November 8, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/29121515/the-genetic-basis-underlying-variation-in-production-of-the-flavour-compound-diacetyl-by-lactobacillus-rhamnosus-strains-in-milk
#2
Raquel Lo, Van Thi Thuy Ho, Nidhi Bansal, Mark S Turner
Diacetyl and the closely related compound acetoin impart desirable buttery flavour and odour to many foods including cheese and are generated through the metabolism of citrate by lactic acid bacteria (LAB). To increase the levels of these compounds, adjunct cultures capable of producing them can be added to cheese fermentations. In this study, we compared the diacetyl and acetoin producing abilities of 13 Lactobacillus rhamnosus strains from cheese sources. Diacetyl and acetoin production was found to be a common feature of Lb...
October 31, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29121411/probiotic-lactobacillus-rhamnosus-gg-prevents-alveolar-bone-loss-in-a-mouse-model-of-experimental-periodontitis
#3
Simona M Gatej, Victor Marino, Richard Bright, Tracy R Fitzsimmons, Neville Gully, Peter Zilm, Rachel J Gibson, Suzanne Edwards, Peter M Bartold
AIM: This study investigated the role of Lactobacillus rhamnosus GG on bone loss and local and systemic inflammation in an in vivo mouse model of experimental periodontitis. MATERIALS AND METHODS: Experimental periodontitis was induced in mice by oral inoculation with Porphyromonas gingivalis and Fusobacterium nucleatum over a period of 44 days. The probiotic LGG was administered via oral inoculation or oral gavage prior to, and during disease induction. The antimicrobial activity of LGG on the inoculum was also tested...
November 9, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29105390/dual-effects-of-cell-free-supernatants-from-lactobacillus-acidophilus-and-lactobacillus-rhamnosus-gg-in-regulation-of-mmp-9-by-up-regulating-timp-1-and-down-regulating-cd147-in-pmadifferentiated-thp-1-cells
#4
Faezeh Maghsood, Abbas Mirshafiey, Mohadese M Farahani, Mohammad Hossein Modarressi, Parvaneh Jafari, Elahe Motevaseli
OBJECTIVES: Recent studies have reported dysregulated expression of matrix metalloproteinases (MMPs), especially MMP-2, MMP-9, tissue inhibitor of metalloproteinase-1, -2 (TIMP-1, TIMP-2), and extracellular matrix metalloproteinase inducer (EMMPRIN/CD147) in activated macrophages of patients with inflammatory diseases. Therefore, MMP-2, MMP-9, and their regulators may represent a new target for treatment of inflammatory diseases. Probiotics, which are comprised of lactic acid bacteria, have the potential to modulate inflammatory responses...
January 2018: Cell Journal
https://www.readbyqxmd.com/read/29104666/lactobacillus-raises-in-vitro-anticancer-effect-of-geniposide-in-hsc-3-human-oral-squamous-cell-carcinoma-cells
#5
Zhou Cheng, Hui Xu, Xiaoping Wang, Zuoye Liu
The present study determined the ability of the Lactobacillus rhamnosus GG strain (LGG) to enhance the anticancer effects of geniposide on HSC-3 human oral squamous carcinoma cells. LGG (1.0×10(3) CFU/ml) on its own had no impact on human oral keratinocytes and HSC-3 cancer cells. Geniposide (25 or 50 µg/ml) had no impact on human oral keratinocytes, but exerted growth inhibitory effects on HSC-3 cancer cells, which were increased in the presence of LGG. Flow cytometric analysis and a nuclear staining assay with DAPI revealed that HSC-3 cancer cells treated with LGG-geniposide (1...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29103703/anti-inflammatory-capacity-of-lactobacillus-rhamnosus-gg-in-monophasic-variant-salmonella-infected-piglets-is-correlated-with-impeding-nlrp6-mediated-host-inflammatory-responses
#6
Jiao Yu, Yao-Hong Zhu, Gui-Yan Yang, Wei Zhang, Dong Zhou, Jin-Hui Su, Jiu-Feng Wang
In this study, we investigated the effect of Lactobacillus rhamnosus GG strain (LGG) in ameliorating enteritis in newly weaned pigs following challenge with a monophasic variant of Salmonella enterica serovar Typhimurium (serotyped as 4,[5],12:i:-), which has been linked to disease in humans and livestocks over the past 10 years. In weaned pigs, S. enterica serovar 4,[5],12:i:- induced the mRNA expression of toll like receptor (TLR) 5 and TLR4, while increasing interleukin (IL)-8 and IL-6 mRNA expression in the jejunum...
October 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29102114/in-vivo-probiotic-and-antimicrobial-photodynamic-therapy-as-alternative-therapies-against-cryptococcosis-are-ineffective
#7
Lorena Vívien Neves de Oliveira, Rafael Wesley Bastos, Noelly de Queiroz Ribeiro, Marliete Carvalho Costa, Leonardo Borges Acurcio, Karen Maia Rocha, Julliana Ribeiro Alves Santos, Rosana de Carvalho Cruz, Betânia Maria Soares, Daniel Assis Santos
Cryptococcosis, an invasive fungal infection distributed worldwide that affects both domestic and wild animals, has incredible rates regarding treatment failure, leading to the necessity of the development of new therapies. In this way, we aimed to evaluate the probiotic (Saccharomyces boulardii, Lactobacillus paracasei ST-11, and Lactobacillus rhamnosus GG) and antimicrobial photodynamic alternative therapies against Cryptococcus gattii in a murine model. Although previous studies suggest that these therapies can be promising against cryptococcosis, our experimental conditions for both probiotic and antimicrobial photodynamic therapies (aPDT) were not able to improve the survival of mice with cryptococcosis, even with the treatment combined with fluconazole...
November 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29100403/lactobacillus-reuteri-zj617-maintains-intestinal-integrity-via-regulating-tight-junction-autophagy-and-apoptosis-in-mice-challenged-with-lipopolysaccharide
#8
Yanjun Cui, Li Liu, Xiaoxiao Dou, Chong Wang, Wenming Zhang, Kan Gao, Jianxin Liu, Haifeng Wang
Live probiotics are effective in reducing gut permeability and inflammation. We have previously reported that Lactobacillus reuteri ZJ617 (ZJ617) with high adhesive and Lactobacillus rhamnosus GG (LGG) can ameliorate intestine inflammation induced by lipopolysaccharide (LPS). The present study was aimed at elucidating the roles of ZJ617 and LGG in alleviating the LPS-induced barrier dysfunction of ileum in mice. Six C57BL/6 mice per group were orally inoculated with ZJ617 or LGG for one week (1× 10(8) CFU/mouse) and intraperitoneally injected with LPS (10 mg/kg body weight) for 24 h...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29098889/cost-effectiveness-of-using-an-extensively-hydrolysed-casein-formula-containing-lactobacillus-rhamnosus-gg-in-managing-infants-with-cow-s-milk-allergy-in-the-us
#9
Julian F Guest, Roger H Kobayashi, Vinay Mehta, Gary Neidich
OBJECTIVE: To estimate the cost-effectiveness of using an extensively hydrolysed casein formula containing the probiotic Lactobacillus rhamnosus GG, (eHCF+LGG; Nutramigen LGG) compared with eHCF alone, and amino acid formulae (AAF) in treating cow's milk allergy (CMA) in the US, from the perspective of third-party insurers and from parents. METHODS: A decision model was used to estimate the probability of cow's milk allergic infants developing tolerance to cow's milk by 18 months...
November 3, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29091578/dual-label-flow-cytometry-based-host-cell-adhesion-assay-to-ascertain-the-prospect-of-probiotic-lactobacillus-plantarum-in-niche-specific-antibacterial-therapy
#10
Sandipan Mukherjee, Aiyagari Ramesh
Host cell adhesion assays that provide quantitative insight on the potential of lactic acid bacteria (LAB) to inhibit adhesion of intestinal pathogens can be leveraged for the development of niche-specific anti-adhesion therapy. Herein, we report a dual-colour flow cytometry (FCM) analysis to assess the ability of probiotic Lactobacillus plantarum strains to impede adhesion of Enterococcus faecalis, Listeria monocytogenes and Staphylococcus aureus onto HT-29 cells. FCM in conjunction with a hierarchical cluster analysis could discern the anti-adhesion potential of L...
November 1, 2017: Microbiology
https://www.readbyqxmd.com/read/29063625/effect-of-phenolic-compounds-on-the-growth-of-selected-probiotic-and-pathogenic-bacteria
#11
R Pacheco-Ordaz, A Wall-Medrano, M G Goñi, G Ramos-Clamont-Montfort, J F Ayala-Zavala, G A González-Aguilar
Fruit extracts from different tissues (pulp, seed and peel) have shown antimicrobial and prebiotic activities related to their phenolic profile, although structure-specific evaluations have not been reported yet. The effect of five phenolic compounds (catechin and gallic, vanillic, ferulic, and protocatechuic acids) identified in different fruits, particularly in mango, was evaluated on the growth of two probiotic [Lactobacillus rhamnosus GG ATCC 53103 and L. acidophilus NRRLB 4495] and two pathogenic [Escherichia coli 0157:H7 ATCC 43890 and Salmonella enterica serovar Typhimurium ATCC 14028] bacteria...
October 24, 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/29043005/impact-of-supplementation-with-a-food-derived-microbial-community-on-obesity-associated-inflammation-and-gut-microbiota-composition
#12
Marianna Roselli, Chiara Devirgiliis, Paola Zinno, Barbara Guantario, Alberto Finamore, Rita Rami, Giuditta Perozzi
BACKGROUND: Obesity is a complex pathology associated with dysbiosis, metabolic alterations, and low-grade chronic inflammation promoted by immune cells, infiltrating and populating the adipose tissue. Probiotic supplementation was suggested to be capable of counteracting obesity-associated immune and microbial alterations, based on its proven immunomodulatory activity and positive effect on gut microbial balance. Traditional fermented foods represent a natural source of live microbes, including environmental strains with probiotic features, which could transiently colonise the gut...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/29038557/anti-infective-effect-of-adhesive-probiotic-lactobacillus-in-fish-is-correlated-with-their-spatial-distribution-in-the-intestinal-tissue
#13
Suxu He, Chao Ran, Chubin Qin, Shuning Li, Hongling Zhang, Willem M de Vos, Einar Ringø, Zhigang Zhou
In this study, we tested the distribution of 49 Lactobacillus strains in the mucus and mucosa of the intestine tissue of zebrafish. We observed a progressive change in the spatial distribution of Lactobacillus strains, and suggested a division of the strains into three classes: mucus type (>70% in mucus), mucosa type (>70% in mucosa) and hybrid type (others). The hybrid type strains were more efficient in protection of zebrafish against Aeromonas hydrophila infection. Three strains representing different distribution types (JCM1149, CGMCC1...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29032650/immunomodulatory-potential-of-weissella-cibaria-in-aged-c57bl-6j-mice
#14
Ho-Eun Park, Kyung-Won Kang, Bum-Seok Kim, Sang-Myeong Lee, Wan-Kyu Lee
Aging is associated with distinct changes in immune cells and a decline in immune function, leading to increased susceptibility to infection and reduced responses to vaccination. Certain strains of lactic acid bacteria exert beneficial effects on the immune system. Previously, we reported that Weissella cibaria JW15 isolated from kimchi possesses immune stimulatory activity in vitro. In the present study, we further investigated whether oral administration of JW15 improves immune function in aged mice. Eighteen-month-old female mice were administered JW15 daily at low (JW15-L; 1×10⁸ CFU/mouse) or high dosage (JW15-H; 1×10⁸ CFU/mouse), or with Lactobacillus rhamnosus GG using oral gavage...
October 14, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29031239/probiotic-intervention-influences-the-salivary-levels-of-matrix-metalloproteinase-mmp-9-and-tissue-inhibitor-of-metalloproteinases-timp-1-in-healthy-adults
#15
Heli Jäsberg, Taina Tervahartiala, Timo Sorsa, Eva Söderling, Anna Haukioja
OBJECTIVE: To study the effect of orally administered Bifidobacterium animalis subsp. lactis BB-12 and Lactobacillus rhamnosus GG on the salivary levels of Matrix Metalloproteinases (MMP)-8, MMP-9 and of Tissue Inhibitor of Metalloproteinases (TIMP)-1 in healthy adults. Furthermore, the correlations between MMP-8, MMP-9 and TIMP-1 and plaque and gingival indices, salivary mutans streptococci and lactobacilli counts, and stimulated saliva secretion rate were analysed. DESIGN: The salivary samples originated from a randomized controlled trial where healthy student volunteers consumed probiotic or placebo lozenges twice a day for four weeks...
October 7, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29026729/probiotics-in-children-what-is-the-evidence
#16
REVIEW
Iva Hojsak
The number of papers discussing probiotics increases tremendously that limits the possibility for primary care physicians and clinicians to stay updated. Therefore, the aim of this paper will be to summarize available evidence of probiotic use in well-defined clinical indications of importance for pediatricians. Based on currently available evidence certain probiotic strains (Lactobacillus rhamnosus GG [LGG] and Saccharomyces boulardii) have proven effect in the treatment of acute gastroenteritis and prevention of antibiotic associated diarrhea...
September 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/29025837/effects-of-lactobacillus-rhamnosus-gg-and-bifidobacterium-lactis-bb12-on-beta-cell-function-in-children-with-newly-diagnosed-type-1-diabetes-protocol-of-a-randomised-controlled-trial
#17
Lidia Groele, Hania Szajewska, Agnieszka Szypowska
INTRODUCTION: Recent evidence has demonstrated that, among other factors, dysbiosis (imbalances in the composition and function of the gut microbiota) may be relevant in the development of type 1 diabetes (T1D). Thus, gut microbiota may be a target for improving outcomes in subjects with T1D. The aim of the study is to examine the effects of Lactobacillus rhamnosus GG and Bifidobacterium lactis Bb12 on beta-cell function in children with newly diagnosed T1D. METHODS AND ANALYSIS: A total of 96 children aged 8 to 17 years with newly diagnosed T1D, confirmed by clinical history and the presence of at least one positive autoantibody, will be enrolled in a double-blind, randomised, placebo-controlled trial in which they will receive L...
October 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/29023454/antifungal-defense-of-probiotic-lactobacillus-rhamnosus-gg-is-mediated-by-blocking-adhesion-and-nutrient-depletion
#18
Daniela Mailänder-Sánchez, Christina Braunsdorf, Christian Grumaz, Christoph Müller, Stefan Lorenz, Philip Stevens, Jeanette Wagener, Betty Hebecker, Bernhard Hube, Franz Bracher, Kai Sohn, Martin Schaller
Candida albicans is an inhabitant of mucosal surfaces in healthy individuals but also the most common cause of fungal nosocomial blood stream infections, associated with high morbidity and mortality. As such life-threatening infections often disseminate from superficial mucosal infections we aimed to study the use of probiotic Lactobacillus rhamnosus GG (LGG) in prevention of mucosal C. albicans infections. Here, we demonstrate that LGG protects oral epithelial tissue from damage caused by C. albicans in our in vitro model of oral candidiasis...
2017: PloS One
https://www.readbyqxmd.com/read/28986319/enhancing-the-viability-of-lactobacillus-rhamnosus-gg-after-spray-drying-and-during-storage
#19
Géraldine Broeckx, Dieter Vandenheuvel, Tim Henkens, Shari Kiekens, Marianne F L van den Broek, Sarah Lebeer, Filip Kiekens
Increasing knowledge about the human microbiome has led to a growing awareness of the potential of applying probiotics to improve our health. The pharmaceutical industry shows an emerging interest in pharmaceutical formulations containing these beneficial microbes, the so-called pharmabiotics. An important manufacturing step is the drying of the probiotics, as this can increase the stability and shelf life of the finished pharmabiotic product. Unfortunately, drying also puts stress on microbial cells, thus causing a decrease in viability...
October 3, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28983294/lipoteichoic-acid-of-probiotic-lactobacillus-plantarum-attenuates-poly-i-c-induced-il-8-production-in-porcine-intestinal-epithelial-cells
#20
Kyoung Whun Kim, Seok-Seong Kang, Sun-Je Woo, Ok-Jin Park, Ki Bum Ahn, Ki-Duk Song, Hak-Kyo Lee, Cheol-Heui Yun, Seung Hyun Han
Probiotics in livestock feed supplements are considered a replacement for antibiotics that enhance gastrointestinal immunity. Although bacterial cell wall components have been proposed to be associated with probiotic function, little evidence demonstrates that they are responsible for probiotic functions in livestock. The present study demonstrated that lipoteichoic acid (LTA) of Lactobacillus plantarum (Lp.LTA) confers anti-inflammatory responses in porcine intestinal epithelial cell line, IPEC-J2. A synthetic analog of viral double-stranded RNA, poly I:C, dose-dependently induced IL-8 production at the mRNA and protein levels in IPEC-J2 cells...
2017: Frontiers in Microbiology
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