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oral probiotic

Zhu Zeng, Rui Yu, Fanglei Zuo, Bo Zhang, Deju Peng, Huiqin Ma, Shangwu Chen
Exendin-4, a glucagon-like protein-1 (GLP-1) receptor agonist, is an excellent therapeutic peptide drug for type 2 diabetes due to longer lasting biological activity compared to GLP-1. This study explored the feasibility of using probiotic Lactobacillus paracasei as an oral vector for recombinant exendin-4 peptide delivery, an alternative to costly chemical synthesis and inconvenient administration by injection. L. paracasei transformed with a plasmid encoding the exendin-4 gene (L. paracasei L14/pMG76e-exendin-4) with a constitutive promotor was successfully constructed and showed efficient secretion of exendin-4...
2016: PloS One
Rima Rachid, Talal A Chatila
PURPOSE OF REVIEW: The rise in the prevalence of food allergy over the past decades has focused attention of factors that may impact disease development, most notably the gut microbiota. The gut microbial communities play a crucial role in promoting oral tolerance. Their alteration by such factors as Cesarean section delivery, diet and antibiotics may influence disease development. This review highlights recent progress in our understanding of the role of the gut microbiota in the development of food allergy...
September 28, 2016: Current Opinion in Pediatrics
Sofie Ingdam Halkjaer, Lisbeth Nilas, Emma Malchau Carlsen, Dina Cortes, Thórhallur Ingi Halldórsson, Sjúrdur Frodi Olsen, Anders Elm Pedersen, Karen Angeliki Krogfelt, Andreas Munk Petersen
BACKGROUND: Maternal obesity is associated with increased risks of adverse pregnancy-related complications and outcomes for both mothers and infants. Overweight and obese women have an increased risk of pregnancy-induced hypertension, preeclampsia and gestational diabetes mellitus (GDM). Infant Body Mass index (BMI) and the risk of obesity in adulthood are related to maternal gestational weight gain (GWG). Preventive lifestyle and dietary interventions are time-consuming and do not always reduce GWG or the risk of maternal pregnancy complications...
October 11, 2016: Trials
Y Darbaky, B Evrard, S Patrier, J Falenta, S Garcin, A Tridon, M Dapoigny, C Silberberg, A Nivoliez, L Diop
AIMS: The study evaluated the efficacy of a repeated oral treatment with two Actives Pharmaceuticals Ingredients (API - Lcr LENIO(®) and Lcr RESTITUO(®) ) derivated from the probiotic bacterial strain Lactobacillus rhamnosus Lcr35(®) in two animal models mimicking different features of Irritable Bowel Syndrome (IBS). IBS is characterized by visceral pain associated with alteration of bowel transit. IBS patients present visceral hypersensitivity with peripheral and central origins. METHODS AND RESULTS: The injection of 2,4,6-trinitrobenzenesulfonic acid (TNBS) into the proximal colon as well as an acute partial restraint stress (PRS) produce colonic hypersensitivity measured in conscious rats by a decrease in pain threshold in response to distal colonic distension...
October 8, 2016: Journal of Applied Microbiology
Huizhen Zheng, Meng Gao, Ying Ren, Ruyun Lou, Hongguo Xie, Weiting Yu, Xiudong Liu, Xiaojun Ma
A pH-responsive carrier based on an ethylenediaminetetraacetic-calcium-alginate (EDTA-Ca-Alg) system was developed by controlling the release of Ca(2+). The system remained in the solution state at neutral pH since EDTA completely chelated the Ca(2+). In contrast, a hydrogel immediately formed when the pH was below 4.0, which triggered the in situ release of Ca(2+) from the EDTA-Ca compound and led to alginate-Ca binding. Taking advantage of the pH sensitivity, we prepared hydrogel microspheres with uniform size to entrap Lactobacillus rhamnosus ATCC 53103 through emulsification...
January 2, 2017: Carbohydrate Polymers
Louise J Lu, Ji Liu
The human ocular surface, consisting of the cornea and conjunctiva, is colonized by an expansive, diverse microbial community. Molecular-based methods, such as 16S rRNA sequencing, has allowed for more comprehensive and precise identification of the species composition of the ocular surface microbiota compared to traditional culture-based methods. Evidence suggests that the normal microbiota plays a protective immunological role in preventing the proliferation of pathogenic species and thus, alterations in the homeostatic microbiome may be linked to ophthalmic pathologies...
September 2016: Yale Journal of Biology and Medicine
María X Maldonado-Gómez, Inés Martínez, Francesca Bottacini, Amy O'Callaghan, Marco Ventura, Douwe van Sinderen, Benjamin Hillmann, Pajau Vangay, Dan Knights, Robert W Hutkins, Jens Walter
Live bacteria (such as probiotics) have long been used to modulate gut microbiota and human physiology, but their colonization is mostly transient. Conceptual understanding of the ecological principles as they apply to exogenously introduced microbes in gut ecosystems is lacking. We find that, when orally administered to humans, Bifidobacterium longum AH1206 stably persists in the gut of 30% of individuals for at least 6 months without causing gastrointestinal symptoms or impacting the composition of the resident gut microbiota...
October 12, 2016: Cell Host & Microbe
Lye Huey Shi, Kunasundari Balakrishnan, Kokila Thiagarajah, Nor Ismaliza Mohd Ismail, Ooi Shao Yin
Probiotics are live microorganisms that can be found in fermented foods and cultured milk, and are widely used for the preparation of infant food. They are well-known as "health friendly bacteria", which exhibit various health beneficial properties such as prevention of bowel diseases, improving the immune system, for lactose intolerance and intestinal microbial balance, exhibiting antihypercholesterolemic and antihypertensive effects, alleviation of postmenopausal disorders, and reducing traveller's diarrhoea...
August 2016: Tropical Life Sciences Research
Tanjina Chowdhury, Muhammad Manajjir Ali, Muhammad Monir Hossain, Jugindra Singh, Abu Noyeem Muhammad Yousuf, Fatema Yasmin, Fazle Rabbi Chowdhury
OBJECTIVE: To evaluate the efficacy of orally administered probiotics in preventing necrotizing enterocolitis (NEC) in preterm very low birth weight (VLBW) infants. STUDY DESIGN: Arandomized double blind controlled trial. PLACE AND DURATION OF STUDY: The Paediatrics Department of Sylhet M.A.G. Osmani Medical College Hospital, Sylhet Bangladesh, from July 2012 to June 2015. METHODOLOGY: Preterm (28 - 33 weeks gestation) VLBW (birth weight 1000 - 1499 g) neonates were enrolled...
September 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
Luiz F F Oliveira, Sérgio L Salvador, Pedro H F Silva, Flávia A C Furlaneto, Luciene Figueiredo, Renato Casarin, Edilson Ervolino, Daniela B Palioto, Sérgio L S Souza, Mario Taba, Arthur B Novaes, Michel R Messora
BACKGROUND: This study evaluated the effects of topical administration of probiotic bacteria (PROB) of the genus Bifidobacterium on experimental periodontitis (EP) in rats. METHODS: 32 rats were divided into groups C (control; without EP), EP (EP only), C-HN019 (control+PROB) and EP-HN019 (EP+PROB). On day 0 of the experiment, animals of groups EP and EP-HN019 received cotton ligatures around mandibular first molars (MFM). In groups C-HN019 and EP-HN019, 1mL of suspensions containing Bifidobacterium animalis subsp lactis (B...
September 23, 2016: Journal of Periodontology
Fang Jia
Streptococcus salivarius is a nonpathogenic Gram-positive bacterium and the predominant colonizer of the oral microbiota. It finds a wide application in the prevention of upper respiratory tract infections, also reducing the frequency of other main pathogens. Here, we present the complete genome sequence of the oral probiotic S. salivarius JF.
2016: Genome Announcements
Fereshteh Dardmeh, Hans Ingolf Nielsen, Hiva Alipour, Benedict Kjærgaard, Erik Brandsborg, Parisa Gazerani
Treatments for obesity have been shown to reduce pain secondary to weight loss. Intestinal microbiota, as an endogenous factor, influences obesity and pain sensitivity but the effect of oral probiotic supplementation on musculoskeletal pain perception has not been studied systematically. The present study examined the effect of a single daily oral dose (1 × 10(9) CFU) of probiotics (Lactobacillus rhamnosus PB01, DSM14870) supplement on mechanical pain thresholds in behaving diet-induced obese (DIO) mice and their normal weight (NW) controls...
2016: Pain Research & Management: the Journal of the Canadian Pain Society
Maria I Pinto-Sánchez, Edgardo C Smecuol, Maria P Temprano, Emilia Sugai, Andrea González, María L Moreno, Xianxi Huang, Premysl Bercik, Ana Cabanne, Horacio Vázquez, Sonia Niveloni, Roberto Mazure, Eduardo Mauriño, Elena F Verdú, Julio C Bai
BACKGROUND: We have previously shown a reduction of gastrointestinal symptoms after the oral administration of Bifidobacterium infantis Natren Life Start super strain (NLS-SS) in untreated celiac disease (CD) patients. The symptomatic improvement was not associated with changes in intestinal permeability or serum levels of cytokines, chemokines, or growth factors. Therefore, we hypothesized that the beneficial symptomatic effect observed previously in patients with CD treated with B. infantis may be related to the modulation of innate immunity...
September 15, 2016: Journal of Clinical Gastroenterology
Fang Jia
Lactobacilli can exert health-promoting effects in the human oral microbiome through many mechanisms, including pathogen inhibition, maintenance of microbial balance, immunomodulation, and enhancement of the epithelial barrier function. Here, we present the complete genome sequence of a potential probiotic, Lactobacillus oris J-1, that was isolated from the oral cavity of a health child.
2016: Genome Announcements
Xinfeng Yan, Bo Feng, Peicheng Li, Zhaosheng Tang, Lin Wang
Background. Emerging evidences have shown a close interplay between obesity, diabetes, and intestinal flora disturbance. Dipeptidyl peptidase-4 inhibitor, exemplified by sitagliptin, is highly efficacious in treating type 2 diabetes (T2DM), yet little is known if sitagliptin exerts beneficial effects on microbiota associated with obesity and T2DM. We evaluated changes of gut microbiota following the induction of obesity and T2DM in a streptozotocin treated high fat/high carbohydrate fed (HF/HC-STZ) rat model and explored the effect of sitagliptin on gut microbiota for HF/HC-STZ rats...
2016: Journal of Diabetes Research
Eduardo Morales-Barrera, Nicole Calhoun, Jose L Lobato-Tapia, Vivian Lucca, Omar Prado-Rebolledo, Xochitl Hernandez-Velasco, Ruben Merino-Guzman, Victor M Petrone-García, Juan D Latorre, Brittany D Mahaffey, Kyle D Teague, Lucas E Graham, Amanda D Wolfenden, Mikayla F A Baxter, Billy M Hargis, Guillermo Tellez
The objectives of the present study were to evaluate the risks involved in the use of Enrofloxacin for Salmonella Enteritidis (SE) or Salmonella Heidelberg (SH) in commercial poultry and determine the effects of a probiotic as an antibiotic alternative. Two experiments were conducted to evaluate the risks involved in the use of Enrofloxacin for SE or SH in commercial poultry. Experiment 1 consisted of two trials. In each trial, chickens were assigned to one of three groups; control + SE challenged; Enrofloxacin 25 mg/kg + SE; and Enrofloxacin 50 mg/kg + SE...
2016: Frontiers in Veterinary Science
Rong Zhang, Xiaoli Dong, Meng Zhou, Yan Tu, Naifeng Zhang, Kaidong Deng, Qiyu Diao
The objective of this study was to assess the effect of dietary probiotics on rumen fermentation and the bacterial community in dairy calves. Twelve Holstein calves were randomly allocated to three treatments: a basal diet, the basal diet supplemented with Lactobacillus plantarum GF103 (LB) or basal diet supplemented with a mixture of Lactobacillus plantarum GF103 and Bacillus subtilis B27 (LBS). A milk replacer was fed to calves from 8 days of age. A starter and alfalfa hay was offered ad libitum from 21 and 28 days of age, respectively, and the orts were weighted daily...
September 14, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
Vincenzo Davide Palumbo, Marcello Romeo, Antonella Marino Gammazza, Francesco Carini, Provvidenza Damiani, Giuseppe Damiano, Salvatore Buscemi, Attilio Ignazio Lo Monte, Alice Gerges-Geagea, Abdo Jurjus, Giovanni Tomasello
AIM: Intestinal dysbiosis seems to be the leading cause of inflammatory bowel diseases, and probiotics seems to represent the proper support against their occurrence. Actually, probiotic blends and anti-inflammatory drugs represent a weapon against inflammatory bowel diseases. The present study evaluates the long-term (2 years) effects of combination therapy (mesalazine plus a probiotic blend of Lactobacillus salivarius, Lactobacillus acidophilus and Bifidobacterium bifidus strain BGN4) on ulcerative colitis activity...
September 2016: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
Shi-Fa Zhang, Zong-Sheng Tang, Ling Tong, Xiang-Xiang Tao, Qi-Feng Suo, Xue-Mei Xu
BACKGROUND & AIMS: Probiotics is recognized to promote growth performance and immune function via balancing the intestinal microflora. Live clostridium butyricum and bifidobacterium combined powder (LCBBCP) has been widely to treat intestinal dysbacteriosis in newborns in China. This study was undertaken to investigate the effects of the combined probiotics on the expression of B and T lymphocyte attenuator (BTLA) on CD4(+) T cells and the differentiation of lymphocyte subsets in late preterm infants...
September 10, 2016: Microbial Pathogenesis
Timothy D H Smith, Hilary Watt, Laura Gunn, Josip Car, Robert J Boyle
PURPOSE: Evidence from studies mainly in children has shown that orally administered probiotics may prevent respiratory tract infections and associated antibiotic use. We evaluated whether advice to take daily probiotics can reduce antibiotic prescribing for winter respiratory tract infections in people with asthma. METHODS: We conducted a randomized controlled, parallel-group pragmatic study for participants aged 5 years and older with asthma in a UK primary care setting...
September 2016: Annals of Family Medicine
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