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https://www.readbyqxmd.com/read/28644359/commercial-probiotic-products-a-call-for-improved-quality-control-a-position-paper-by-the-espghan-working-group-for-probiotics-and-prebiotics
#1
Sanja Kolaček, Iva Hojsak, Roberto Berni Canani, Alfredo Guarino, Flavia Indrio, Rok Orel, Bruno Pot, Raanan Shamir, Hania Szajewska, Yvan Vandenplas, Johannes van Goudoever, Zvi Weizman
Probiotics have been proposed for a number of indications ranging from the hypothetical long-term immunomodulatory effects to proven benefits in the management of different clinical conditions.An increasing number of commercial products containing probiotics are available. In those products, irrespective if it is food, food supplement, medical food, or drug, the probiotic microorganisms have to be present in a sufficient number by the end of the shelf-life, to pass through the gastrointestinal tract resisting acid and bile, to colonize the gut, and to retain functional properties required to obtain the suggested beneficial effect...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28643742/in-vitro-activity-of-probiotic-lactobacillus-reuteri-against-gastric-cancer-progression-by-downregulation-of-urokinase-plasminogen-activator-urokinase-plasminogen-activator-receptor-gene-expression
#2
Bahareh Sadat Rasouli, Ali Ghadimi-Darsajini, Reza Nekouian, Gholam-Reza Iragian
BACKGROUND: Gastric cancer (GC) is the third leading cause of cancer death, and most patients represent metastatic phenotype at the time of diagnosis. Urokinase plasminogen activator (uPA) system is well known for its critical roles in cancer cells invasion since uPA/uPA receptor (uPAR) overexpresses in several cancers. Subsequently, suppression of uPA/uPAR gene expression improves patients overall survival and prevents cancer progression. OBJECTIVES: The aim of the current study was to investigate possible effects of live Lactobacillus reuteri as a probiotic in inhibition of GC cells proliferation and invasion...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643627/bifidobacteria-and-their-health-promoting-effects
#3
Claudio Hidalgo-Cantabrana, Susana Delgado, Lorena Ruiz, Patricia Ruas-Madiedo, Borja Sánchez, Abelardo Margolles
Bifidobacteria are members of the intestinal microbiota of mammals and other animals, and some strains are able to exert health-promoting effects. The genus Bifidobacterium belongs to the Actinobacteria phylum. Firmicutes, Bacteroidetes, and Actinobacteria constitute the most abundant phyla in the human intestinal microbiota, Firmicutes and Bacteroidetes being predominant in adults, and Actinobacteria in breast-fed infants, where bifidobacteria can reach levels higher than 90% of the total bacterial population...
June 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28643625/microbial-interactions-and-interventions-in-colorectal-cancer
#4
Terence Van Raay, Emma Allen-Vercoe
Recently, several lines of evidence that indicate a strong link between the development of colorectal cancer (CRC) and aspects of the gut microbiota have become apparent. However, it remains unclear how changes in the gut microbiota might influence carcinogenesis or how regional organization of the gut might influence the microbiota. In this review, we discuss several leading theories that connect gut microbial dysbiosis with CRC and set this against a backdrop of what is known about proximal-distal gut physiology and the pathways of CRC development and progression...
June 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28643623/the-genomic-basis-of-lactobacilli-as-health-promoting-organisms
#5
Elisa Salvetti, Paul W O'Toole
Lactobacilli occupy a unique position in human culture and scientific history. Like brewer's and baker's yeast, lactobacilli have been associated with food production and preservation for thousands of years. Lactobacillus species are used in mixed microbial cultures, such as the classical Lactobacillus bulgaricus/Streptococcus thermophilus inoculum for yogurt fermentation, or combinations of diverse lactobacilli/yeasts in kefir grains. The association of lactobacilli consumption with greater longevity and improved health formed the basis for developing lactobacilli as probiotics, whose market has exploded worldwide in the past 10 years...
June 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28643294/-saccharomyces-boulardii-cncm-i-745-influences-the-gut-associated-immune-system
#6
Heike Stier, Stephan C Bischoff
BACKGROUND: The impact of the intestinal microbiome is increasing steadily with regard to the immune function und the defense against pathogens. The medicinal yeast Saccharomyces boulardii CNCM I-745 (S. boulardii) has been used as probiotic for the prevention and treatment of infectious diarrhea since more than 50 years. Meta-analyses confirm the clinical efficacy of S. boulardii to treat diarrhea of various origins in children and adults. METHOD: This review article summarizes experimental studies on molecular and immunological mechanisms which explain the proven clinical efficacy of S...
June 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28643225/using-illumina-based-sequence-analysis-to-guide-probiotic-candidate-selection-and-isolation
#7
Wenfeng Wang, Yi Li, Wangsen Qin, Changyi Sun, Hongming Tan, Lixiang Cao
Selection for probiotic candidates by in vivo experimental trials is time and labor consuming; more informed strategy is needed to select successful probiotic candidates. The aim of the study was to elucidate the microbial taxa transmitted from maize seeds to seedlings during the germination process of maize and their probiotic effects. The bacterial and fungal taxa in kernel germs and sprouts were analyzed by Illumina-based sequencing. The sprouts contained more diverse fungi than those in germs. The bacterial species (OTUs) declined with the germination from germs to the sprouts...
June 22, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28643167/microbiome-probiotics-and-neurodegenerative-diseases-deciphering-the-gut-brain-axis
#8
REVIEW
Susan Westfall, Nikita Lomis, Imen Kahouli, Si Yuan Dia, Surya Pratap Singh, Satya Prakash
The gut microbiota is essential to health and has recently become a target for live bacterial cell biotherapies for various chronic diseases including metabolic syndrome, diabetes, obesity and neurodegenerative disease. Probiotic biotherapies are known to create a healthy gut environment by balancing bacterial populations and promoting their favorable metabolic action. The microbiota and its respective metabolites communicate to the host through a series of biochemical and functional links thereby affecting host homeostasis and health...
June 22, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28642747/propionibacterium-freudenreichii-surface-protein-slpb-is-involved-in-adhesion-to-intestinal-ht-29-cells
#9
Fillipe L R do Carmo, Houem Rabah, Song Huang, Floriane Gaucher, Martine Deplanche, Stéphanie Dutertre, Julien Jardin, Yves Le Loir, Vasco Azevedo, Gwénaël Jan
Propionibacterium freudenreichii is a beneficial bacterium traditionally used as a cheese ripening starter and more recently for its probiotic abilities based on the release of beneficial metabolites. In addition to these metabolites (short-chain fatty acids, vitamins, and bifidogenic factor), P. freudenreichii revealed an immunomodulatory effect confirmed in vivo by the ability to protect mice from induced acute colitis. This effect is, however, highly strain-dependent. Local action of metabolites and of immunomodulatory molecules is favored by the ability of probiotics to adhere to the host cells...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28641596/types-and-prevalence-of-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-poultry
#10
Eva-Maria Saliu, Wilfried Vahjen, Jürgen Zentek
For several billion years, bacteria have developed mechanisms to resist antibacterial substances. In modern time, antibiotics are frequently used in veterinary and human medicine for prevention and treatment of diseases, globally still also for their growth promoting effects as feed additives. This complex situation has evolved in accelerating development and prevalence of multi-drug resistant bacteria in livestock and people. Extended-spectrum beta-lactamase (ESBL) producing bacteria are resistant to a wide range of ß-lactam antibiotics...
June 23, 2017: Animal Health Research Reviews
https://www.readbyqxmd.com/read/28640662/using-probiotics-in-clinical-practice-where-are-we-now-a-review-of-existing-meta-analyses
#11
Mariangela Rondanelli, Milena Anna Faliva, Simone Perna, Attilio Giacosa, Gabriella Peroni, Anna Maria Castellazzi
The scientific literature has demonstrated that probiotics have a broad spectrum of activity, although often the results are contradictory. This study provides a critical overview of the current meta-analyses that have evaluated the efficacy of probiotics in physiological and pathological conditions, such as metabolic disease, antibiotic-associated and Clostridium difficile-associated diarrhea, IBS, constipation, IBD, chemotherapy-associated diarrhea, respiratory tract infection, ventilator-associated pneumonia, NAFLD, liver encephalopathy, periodontitis, depression, vaginosis, urinary tract infections, pancreatitis, incidence of ventilator-associated pneumonia, hospital infection and stay in ICU, mortality of post-trauma patients, necrotising enterocolitis in premature infants...
June 22, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28640632/gut-microbiota-nitric-oxide-and-microglia-as-pre-requisites-for-neurodegenerative-disorders
#12
Joyce Ka Yu Tse
Regulating fluctuating endogenous nitric oxide (NO) levels is necessary for proper physiological functions. Aberrant NO pathways are implicated in a number of neurological disorders, including Alzheimer's Disease (AD) and Parkinson's Disease. The mechanism of NO in oxidative and nitrosative stress with pathological consequences involves reactions with reactive oxygen species (e.g. superoxide) to form the highly reactive peroxynitrite, hydrogen peroxide, hypochloride ions and hydroxyl radical. NO levels are typically regulated by endogenous nitric oxide synthases (NOS), and inflammatory iNOS is implicated in the pathogenesis of neurodegenerative diseases, in which elevated NO mediates axonal degeneration and activates cyclooxygenases to provoke neuroinflammation...
June 22, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28640215/correction-scourboutakos-m-j-et-al-mismatch-between-probiotic-benefits-in-trials-versus-food-products-nutrients-2017-9-400
#13
Mary J Scourboutakos, Beatriz Franco-Arellano, Sarah A Murphy, Sheida Norsen, Elena M Comelli, Mary R L'Abbé
n/a.
June 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28639907/ferrichrome-identified-from-lactobacillus-casei-atcc334-induces-apoptosis-through-its-iron-binding-site-in-gastric-cancer-cells
#14
Masami Ijiri, Mikihiro Fujiya, Hiroaki Konishi, Hiroki Tanaka, Nobuhiro Ueno, Shin Kashima, Kentaro Moriichi, Junpei Sasajima, Katsuya Ikuta, Toshikatsu Okumura
Ferrichrome is known to be a siderophore, but it was recently identified as a tumor-suppressive molecule derived from Lactobacillus casei ATCC334 ( L. casei). In the present study, we investigated the effects of ferrichrome in gastric cancer cells. Cell lines and xenograft models treated with ferrichrome demonstrated growth suppression. The expression levels of cleaved poly (adenosine diphosphate-ribose) polymerase, and cleaved caspase-9 were increased by ferrichrome treatment. Although the tumor-suppressive effects of ferrichrome were almost completely diminished by the iron chelation, the reduction in the intracellular iron by ferrichrome did not correlate with its tumor-suppressive effects...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28639176/combined-or-individual-effects-of-dietary-probiotic-pedicoccus-acidilactici-and-nucleotide-on-growth-performance-intestinal-microbiota-hemato-biochemical-parameters-and-innate-immune-response-in-goldfish-carassius-auratus
#15
Nooshin Mehdinejad, Mohammad Reza Imanpour, Valiollah Jafari
This study investigated the effect of dietary supplementation of probiotic Pedicoccus acidilactici and nucleotide (separately or combined) on growth performance, intestinal microbiota, hemato-immunological parameters, and immunity response in goldfish (Carassius auratus). Fish (average weight 5-6 g) were acclimatized and divided into eight experimental diets supplemented with P. acidilactici of different concentrations (0.1, 0.2, and 0.3% diet) and nucleotides (0 and 0.5% diet) for 6 months. Fish fed with experimental diets showed significant differences in terms of final weight, weight gain, feed conversion ratio, daily growth rate, and condition factor when compared to control diet (P < 0...
June 21, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28638850/probiotic-lactobacillus-species-strengthen-intestinal-barrier-function-and-tight-junction-integrity-in-experimental-necrotizing-enterocolitis
#16
Brian P Blackwood, Carrie Y Yuan, Douglas R Wood, Joseph D Nicolas, Justyna S Grothaus, Catherine J Hunter
Necrotizing enterocolitis (NEC) is a serious intestinal disease that occurs in newborn infants. It is associated with major morbidity and affects 5% of all infants admitted to neonatal intensive care units. Probiotics have variable efficacy in preventing necrotizing enterocolitis. Tight junctions (TJ) are protein complexes that maintain epithelial barrier integrity. We hypothesized that the probiotics Lactobacillus rhamnosus and Lactobacillus plantarum strengthen intestinal barrier function, promote TJ integrity, and protect against experimental NEC...
April 2017: J Probiotics Health
https://www.readbyqxmd.com/read/28638490/obesity-and-microbiota-an-example-of-an-intricate-relationship
#17
REVIEW
Sabrina Duranti, Chiara Ferrario, Douwe van Sinderen, Marco Ventura, Francesca Turroni
It is widely accepted that metabolic disorders, such as obesity, are closely linked to lifestyle and diet. Recently, the central role played by the intestinal microbiota in human metabolism and in progression of metabolic disorders has become evident. In this context, animal studies and human trials have demonstrated that alterations of the intestinal microbiota towards enhanced energy harvest is a characteristic of the obese phenotype. Many publications, involving both animal studies and clinical trials, have reported on the successful exploitation of probiotics and prebiotics to treat obesity...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/28638217/diet-in-irritable-bowel-syndrome-what-to-recommend-not-what-to-forbid-to-patients
#18
REVIEW
Anamaria Cozma-Petruţ, Felicia Loghin, Doina Miere, Dan Lucian Dumitraşcu
A substantial proportion of patients with irritable bowel syndrome (IBS) associate their symptoms with the ingestion of specific foods. Therefore, in recent years, scientific research has increasingly focused on the role of diet in IBS and dietary management is now considered an important tool in IBS treatment. This article reviews the main dietary approaches in IBS emphasizing evidence from experimental and observational studies and summarizing the main diet and lifestyle recommendations provided by dietary guidelines and scientific literature...
June 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28638006/effect-of-probiotics-on-glucose-and-lipid-metabolism-in-type-2-diabetes-mellitus-a-meta-analysis-of-12-randomized-controlled-trials
#19
Kecheng Yao, Linghai Zeng, Qian He, Wei Wang, Jiao Lei, Xiulan Zou
BACKGROUND It has been unclear whether supplemental probiotics therapy improves clinical outcomes in type 2 diabetic patients. This meta-analysis aimed to summarize the effect of probiotics on glucose and lipid metabolism and C-reactive protein (CRP) from 12 randomized controlled trials (RCTs). MATERIAL AND METHODS An up-to-date search was performed for all relevant RCTs up to April 2016 from PubMed, Embase, and Cochrane Library. Standardized mean difference (SMD) and weighted mean difference (WMD) were calculated for a fixed-effect and random-effect meta-analysis to assess the impact of supplemental probiotics on fasting plasma glucose (FPG), glycated hemoglobin (HbA1c), fasting insulin, homeostasis model assessment of insulin resistance (HOMA-IR), lipid profile, and CRP level...
June 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28637707/daily-rhythms-of-cloacal-temperature-in-broiler-chickens-of-different-age-groups-administered-with-zinc-gluconate-and-probiotic-during-the-hot-dry-season
#20
Tagang Aluwong, Victory O Sumanu, Joseph O Ayo, Benjamin O Ocheja, Friday O Zakari, Ndazo S Minka
The aim of the experiment was to evaluate effects of zinc gluconate (ZnGlu) and probiotic administration on the daily rhythm of cloacal temperature (tcloacal) in broiler chickens of different age groups during the hot-dry season. One-day-old broiler chicks (n = 60) were divided into groups I-IV of 15 chicks per group, and treated for 35 days: Group I (control) was given deionized water; Group II, ZnGlu (50 mg/kg); Group III, probiotic (4.125 × 10(6 )cfu/100 mL), and Group IV, ZnGlu (50 mg/kg) + probiotic (4...
June 2017: Physiological Reports
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