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Beneficial Microbes

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https://www.readbyqxmd.com/read/28409534/bifidobacterium-animalis-subsp-lactis-420-mitigates-the-pathological-impact-of-myocardial-infarction-in-the-mouse
#1
C A Danilo, E Constantopoulos, L A McKee, H Chen, J A Regan, Y Lipovka, S Lahtinen, L K Stenman, T-V V Nguyen, K P Doyle, M J Slepian, Z I Khalpey, J P Konhilas
There is a growing appreciation that our microbial environment in the gut plays a critical role in the maintenance of health and the pathogenesis of disease. Probiotic, beneficial gut microbes, administration can directly attenuate cardiac injury and post-myocardial infarction (MI) remodelling, yet the mechanisms of cardioprotection are unknown. We hypothesised that administration of Bifidobacterium animalis subsp. lactis 420 (B420), a probiotic with known anti-inflammatory properties, to mice will mitigate the pathological impact of MI, and that anti-inflammatory T regulatory (Treg) immune cells are necessary to impart protection against MI as a result of B420 administration...
April 14, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28403650/a-new-contribution-to-the-history-of-probiotics
#2
G A Calatayud, J E Suárez
No abstract text is available yet for this article.
April 13, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28403649/a-survey-of-probiotic-use-practices-among-patients-at-a-tertiary-medical-centre
#3
K Draper, C Ley, J Parsonnet
Probiotic use has skyrocketed in recent years. Little is known, however, about patient knowledge and practices regarding probiotic use, especially in the context of antibiotic use. An invitation to complete a short, anonymous, electronic survey was sent by email to 965 patients at a tertiary medical centre in California who had agreed to be contacted for participation in research studies. Questions were asked about both probiotic and antibiotic use in the prior three months. Of 333 survey respondents, 55% had recently used probiotics, including food products and/or supplements (90 and 60% of probiotic users, respectively)...
April 13, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28403648/consumption-of-apple-boysenberry-beverage-decreases-salivary-actinomyces-naeslundii-and-their-adhesion-in-a-multi-species-biofilm-model
#4
S G Parkar, S Eady, M Cabecinha, M A Skinner
We hypothesised that consumption of beverage rich in both fibre and polyphenols, rather than each bioactive alone, will modulate populations of selected salivary bacteria, and their adhesion characteristics and that some of these effects may be due to the anti-microbial activity of the beverage bioactives. We investigated the effect of 4 weeks' consumption of beverages, rich in apple fibre, boysenberry polyphenols, or both on salivary bacteria in healthy subjects. In this placebo-controlled crossover study, saliva samples were collected at the beginning and end of each treatment period, and used for qPCR quantitation of Lactobacillus spp...
April 13, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28343402/probiotic-administration-improves-sperm-quality-in-asthenozoospermic-human-donors
#5
D G Valcarce, S Genovés, M F Riesco, P Martorell, M P Herráez, D Ramón, V Robles
The objective of this study is to analyse the effect of the ingestion of two selected antioxidant probiotics strains (Lactobacillus rhamnosus CECT8361 and Bifidobacterium longum CECT7347) on sperm quality parameters in asthenozoospermic males after three and six weeks of administration. Nine asthenozoospermic men without any medical treatment under similar diet conditions participated in the study. The quality of individual sperm samples was evaluated before (previous to ingestion), during (after 3 and 6 weeks of ingestion) and after probiotic administration (3 and 6 weeks after finishing the treatment)...
March 27, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28343401/effect-of-probiotic-on-innate-inflammatory-response-and-viral-shedding-in-experimental-rhinovirus-infection-a-randomised-controlled-trial
#6
R B Turner, J A Woodfolk, L Borish, J W Steinke, J T Patrie, L M Muehling, S Lahtinen, M J Lehtinen
Ingestion of probiotics appears to have modest effects on the incidence of viral respiratory infection. The mechanism of these effects is not clear; however, there is evidence from animal models that the probiotic may have an effect on innate immune responses to pathogens. The purpose of this randomised, placebo-controlled study was to determine the effect of administration of Bifidobacterium animalis subspecies lactis Bl-04 on innate and adaptive host responses to experimental rhinovirus challenge. The effect on the response of chemokine (C-X-C motif) ligand 8 (CXCL8) to rhinovirus infection was defined as the primary endpoint for the study...
March 27, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28299945/in-vitro-and-in-vivo-cholesterol-lowering-ability-of-lactobacillus-pentosus-kf923750
#7
F Bendali, K Kerdouche, S Hamma-Faradji, D Drider
Lactobacillus pentosus KF923750 was characterised for probiotic related properties and then characterised for cholesterol uptake in vitro as well as in vivo using rabbits fed a high-cholesterol diet. The survival percentage of L. pentosus KF923750 was 100% at pH 3, 52.18% at pH 2 and 36.21% at pH 2 plus pepsin. Similarly, this strain appeared resistant to bile (0.1% [98.42%], 0.3% [88.52%], 0.5% [75.60%] and 1% [71.15%]), after 4 h exposure. Moreover, L. pentosus KF923750 controlled growth of Escherichia coli ATCC 25922 and Staphylococcus aureus ATCC 25923 through the production of a bacteriocin-like inhibitory substance and anti-adhesive capabilities...
March 16, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28299944/streptococcus-thermophilus-fermented-milk-reduces-serum-mda-ldl-and-blood-pressure-in-healthy-and-mildly-hypercholesterolaemic-adults
#8
M Ito, S Kusuhara, W Yokoi, T Sato, H Ishiki, S Miida, A Matsui, K Nakamori, C Nonaka, K Miyazaki
Low-density lipoprotein (LDL)-cholesterol, malondialdehyde-modified low-density lipoprotein (MDA-LDL), MDA-LDL/LDL-cholesterol in serum, and blood pressure are considered useful risk markers of cardiovascular diseases. This study aimed to examine whether a fermented milk containing Streptococcus thermophilus YIT 2001 (ST), which has high anti-oxidative activity, would benefit healthy and mildly hyper-LDL-cholesterolaemic adults via a randomised, double-blind, placebo-controlled trial. ST-fermented milk or non-fermented placebo milk (PC) was consumed once a day for 12 weeks by 29 and 30 subjects, respectively, with average serum LDL-cholesterol levels of about 140 mg/dl...
March 16, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28168883/foreword-probiotics-and-prebiotics-important-dietary-components-for-health
#9
Koen Venema
No abstract text is available yet for this article.
February 7, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28116930/preparation-and-preservation-of-viable-akkermansia-muciniphila-cells-for-therapeutic-interventions
#10
J P Ouwerkerk, S Aalvink, C Belzer, W M De Vos
The anaerobic gut bacterium Akkermansia muciniphila is a well-characterised member of the mucosal microbiota and has shown to be a gut symbiont in human. A. muciniphila has been negatively associated with obesity and its associated metabolic disorders in various human cohorts while treatment with A. muciniphila cells reversed highfat diet-induced obesity and its associated metabolic disorders in mouse models. Therefore, administration of A. muciniphila has been suggested as a possible new therapeutic treatment for these omnipresent diseases...
January 24, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28116929/evaluation-of-colonisation-resistance-in-stool-of-human-donors-using-ex-vivo-in-vitro-and-in-vivo-assays
#11
M F Galvão, R W Bastos, L B Acurcio, B B Nascimento, S H C Sandes, R M E Arantes, M R Souza, F S Martins, L Q Vieira, J R Nicoli
The indigenous microbiota is the population of microorganisms normally present on the surface and mucosa of an individual, where it performs essential health functions, including the colonisation resistance (CR) against pathogens. To identify the bacteria responsible and the mechanisms involved in the CR, the germ-free (GF) animal model has been used, because in vitro studies cannot always be extrapolated to what occurs in vivo. In this study, ex vivo antagonism assays against seven enteropathogenic bacteria using stools from 15 healthy human donors confirmed that the CR showed individual variation...
January 24, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28116928/assessment-of-the-synbiotic-properites-of-human-milk-oligosaccharides-and-bifidobacterium-longum-subsp-infantis-in-vitro-and-in-humanised-mice
#12
S Musilova, N Modrackova, P Hermanova, T Hudcovic, R Svejstil, V Rada, V Tejnecky, V Bunesova
The mode of delivery plays a crucial role in infant gastrointestinal tract colonisation, which in the case of caesarean section is characterised by the presence of clostridia and low bifidobacterial counts. Gut colonisation can be modified by probiotics, prebiotics or synbiotics. Human milk oligosaccharides (HMOs) are infant prebiotics that show a bifidogenic effect. Moreover, genome sequencing of Bifidobacterium longum subsp. infantis within the infant microbiome revealed adaptations for milk utilisation. This study aimed to evaluate the synbiotic effect of B...
January 24, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28042704/development-of-an-in-vitro-immunobiotic-evaluation-system-against-rotavirus-infection-in-bovine-intestinal-epitheliocytes
#13
H Kobayashi, P Kanmani, T Ishizuka, A Miyazaki, J Soma, L Albarracin, Y Suda, T Nochi, H Aso, N Iwabuchi, J-Z Xiao, T Saito, J Villena, H Kitazawa
The bovine intestinal epithelial cell line (BIE cells) expresses the Toll-like receptor (TLR)3 and is able to mount an antiviral immune response after the stimulation with poly(I:C). In the present study, we aimed to further characterise the antiviral defence mechanisms in BIE cells by evaluating the innate immune response triggered by rotavirus (RV) infection. In addition, we attempted to determine whether immunobiotic bifidobacteria are able to confer protection of BIE cells against RV infection by beneficially modulating the antiviral immune response...
January 2, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28008787/a-review-of-dose-responses-of-probiotics-in-human-studies
#14
A C Ouwehand
The probiotic definition requires the administration of an 'adequate amount' in order to obtain a health benefit. What that amount should be is not indicated. Here, an overview is given of studies that investigated the dose-response relation of probiotics in human interventions. Studies were divided in; meta-analyses, meta-analyses on specific probiotic strains, and studies testing two or more doses of a probiotic (combination) in the same study. Meta-analyses on the effect of probiotics on antibiotic associated diarrhoea (AAD) suggest a dose-response effect; for Clostridium difficile-associated diarrhoea on the other hand no dose-response was observed...
December 23, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/28008786/a-probiotic-combination-attenuates-experimental-colitis-through-inhibition-of-innate-cytokine-production
#15
M S Kim, J S Byun, Y S Yoon, D Y Yum, M J Chung, J C Lee
Inflammatory bowel disease (IBD) is a severe immune cell-mediated syndrome characterised by extensive inflammatory and effector mucosal responses leading to tissue destruction in the colon and small intestine. The leading hypothesis is that dysbiosis of the gut flora causes an excessive immune response and inflammation in the gastrointestinal track. Lactic acid bacteria (LAB) can correct dysbiosis of the normal microbiota. In the current study, the therapeutic potential of seven LAB strains in combination to treat IBD was evaluated using experimental colitis model...
December 23, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/28008785/establishment-of-lactobacillus-plantarum-strain-in-honey-bee-digestive-tract-monitored-using-gfp-fluorescence
#16
P Javorský, L Kolesár Fecskeová, L Hrehová, R Sabo, J Legáth, P Pristas
Lactic acid bacteria are symbiotic bacteria that naturally reside in the gastrointestinal tract of honey bees. They serve a multitude of functions and are considered beneficial and completely harmless. In our experiments Lactobacillus plantarum strain B35, isolated from honey bee digestive tract, was modified using pAD43-25 plasmid carrying a functional GFP gene sequence (gfpmut3a) and used as a model for monitoring and optimisation of the mode of application. The establishment of this strain in honey bee digestive tract was monitored using GFP fluorescence...
December 23, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/28008784/therapeutic-interventions-for-gut-dysbiosis-and-related-disorders-in-the-elderly-antibiotics-probiotics-or-faecal-microbiota-transplantation
#17
R C Vemuri, R Gundamaraju, T Shinde, R Eri
Ageing and physiological functions of the human body are inversely proportional to each other. The gut microbiota and host immune system co-evolve from infants to the elderly. Ageing is accompanied by a decline in gut microbial diversity, immunity and metabolism, which increases susceptibility to infections. Any compositional change in the gut is directly linked to gastrointestinal disorders, obesity and metabolic diseases. Increase in opportunistic pathogen invasion in the gut like Clostridium difficile leading to C...
December 23, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/28008783/lactobacillus-rhamnosus-ncdc17-ameliorates-type-2-diabetes-by-improving-gut-function-oxidative-stress-and-inflammation-in-high-fat-diet-fed-and-streptozotocintreated-rats
#18
S Singh, R K Sharma, S Malhotra, R Pothuraju, U K Shandilya
Restoration of dysbiosed gut microbiota through probiotic may have profound effect on type 2 diabetes. In the present study, rats were fed high fat diet (HFD) for 3 weeks and injected with low dose streptozotocin to induce type 2 diabetes. Diabetic rats were then fed Lactobacillus rhamnosus NCDC 17 and L. rhamnosus GG with HFD for six weeks. L. rhamnosus NCDC 17 improved oral glucose tolerance test, biochemical parameters (fasting blood glucose, plasma insulin, glycosylated haemoglobin, free fatty acids, triglycerides, total cholesterol, low-density lipoprotein cholesterol and high-density lipoprotein cholesterol), oxidative stress (thiobarbituric acid reactive substance and activities of catalase, superoxide dismutase and glutathione peroxidase in blood and liver), bifidobacteria and lactobacilli in cecum, expression of glucagon like peptide-1 producing genes in cecum, and adiponection in epididymal fat, while decreased propionate proportions (%) in caecum, and expression of tumour necrosis factor-α and interlukin-6 in epididymal fat of diabetic rats as compared to diabetes control group...
December 23, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/27936867/opportunities-for-probiotics-and-polyunsaturated-fatty-acids-to-improve-metabolic-health-of-overweight-pregnant-women
#19
K Mokkala, H Röytiö, U Ekblad, K Laitinen
Overweight during pregnancy predisposes both the mother and foetus to health complications. Maternal complications include gestational diabetes, obstetric problems and type 2 diabetes later in life. Complications for the offspring are not only restricted to the foetal period or birth, such as prematurity and foetal macrosomia, but may also have long-term metabolic health implications through the mechanism of early nutrition programming. One of the key metabolic components characterising overweight in the non-pregnant state is low-grade inflammation manifested by elevated levels of circulatory pro-inflammatory cytokines...
December 12, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/27903093/challenges-in-simulating-the-human-gut-for-understanding-the-role-of-the-microbiota-in-obesity
#20
M Aguirre, K Venema
There is an elevated incidence of cases of obesity worldwide. Therefore, the development of strategies to tackle this condition is of vital importance. This review focuses on the necessity of optimising in vitro systems to model human colonic fermentation in obese subjects. This may allow to increase the resolution and the physiological relevance of the information obtained from this type of studies when evaluating the potential role that the human gut microbiota plays in obesity. In light of the parameters that are currently used for the in vitro simulation of the human gut (which are mostly based on information derived from healthy subjects) and the possible difference with an obese condition, we propose to revise and improve specific standard operating procedures...
December 1, 2016: Beneficial Microbes
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