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Probiotic and Asthma

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https://www.readbyqxmd.com/read/29772494/effects-of-ceftriaxone-induced-intestinal-dysbacteriosis-on-regulatory-t-cells-validated-by-anaphylactic-mice
#1
Xia Luo, Zengfeng Pan, Shuang Luo, Qi Liu, Shaowei Huang, Guanghua Yang, Feifei Nong, Yajun Fu, Xiangliang Deng, Lian Zhou
Both probiotics and pathogens in the human gut express pathogen-associated molecular patterns (PAMPs) and die with the release of endotoxin and bacterial DNA, which can stimulate our immune system and cause immune reaction. However, it's interesting and fascinating to address why the normal intestinal flora will not generate immunological rejection like the pathogen does. By investigating the changes in cells and molecules relevant to immune tolerance in mice with ceftriaxone-induced dysbacteriosis, our study discovered that both the Evenness indexes and Shannon Wiener index of intestinal flora showed a decrease in dysbacteriosis mice...
May 14, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29769554/long-term-extension-of-a-randomised-controlled-trial-of-probiotics-using-electronic-health-records
#2
Gareth Davies, Sue Jordan, Caroline J Brooks, Daniel Thayer, Melanie Storey, Gareth Morgan, Stephen Allen, Iveta Garaiova, Sue Plummer, Mike Gravenor
Most randomised controlled trials (RCTs) are relatively short term and, due to costs and available resources, have limited opportunity to be re-visited or extended. There is no guarantee that effects of treatments remain unchanged beyond the study. Here, we illustrate the feasibility, benefits and cost-effectiveness of enriching standard trial design with electronic follow up. We completed a 5-year electronic follow up of a RCT investigating the impact of probiotics on asthma and eczema in children born 2005-2007, with traditional fieldwork follow up to two years...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29750772/the-ins-and-outs-of-an-outside-in-view-of-allergies-atopic-dermatitis-and-allergy-prevention
#3
Marcus Shaker, Robert G P Murray, Julianne A Mann
PURPOSE OF REVIEW: The skin barrier is a dynamic innate immune organ. This review summarizes the current understanding of how deficiencies associated with atopic dermatitis invite other atopic disorders of the allergic march. RECENT FINDINGS: Atopic dermatitis is characterized by skin barrier defects (such as mutations in filaggrin), intrinsic proallergic T-helper cell 2 immune dysregulation, and skin microbiome alterations. These factors promote the development of food allergy and asthma...
May 9, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29602225/oral-microbiota-maturation-during-the-first-7-years-of-life-in-relation-to-allergy-development
#4
Majda Dzidic, Thomas Abrahamsson, Alejandro Artacho, Maria Carmen Collado, Alex Mira, Maria C Jenmalm
BACKGROUND: Allergic diseases have become a major public health problem in affluent societies. Microbial colonization early in life seems to be critical for instructing regulation on immune system maturation and allergy development in children. Even though the oral cavity is the first site of encounter between a majority of foreign antigens and the immune system, the influence of oral bacteria on allergy development has not yet been reported. OBJECTIVE: We sought to determine the bacterial composition in longitudinally collected saliva samples during childhood in relation to allergy development...
March 30, 2018: Allergy
https://www.readbyqxmd.com/read/29521052/probiotics-myths-or-facts-about-their-role-in-allergy-prevention
#5
Edyta Krzych-Fałta, Konrad Furmańczyk, Aneta Tomaszewska, Dominik Olejniczak, Bolesław Samoliński, Urszula Samolińska-Zawisza
BACKGROUND: The hygiene hypothesis proposed by Strachan in the 1980s clearly emphasized the role of microorganisms in atopy prevention. OBJECTIVES: The study objective was to assess the preventive role of probiotics in patients with allergic rhinitis, bronchial asthma, atopic dermatitis, and/or food allergy. MATERIAL AND METHODS: The methods used in the study were the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaires for 6-7- and 13-14-year-olds and the European Community Respiratory Health Survey II (ECRHS II) questionnaire targeted for the 20-44 age group...
January 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29420746/probiotic-treatment-during-neonatal-age-provides-optimal-protection-against-experimental-asthma-through-the-modulation-of-microbiota-and-t-cells
#6
Caroline Fraga Nunes, Jeane S Nogueira, Pedro Henrique Oliveira Vianna, Bianca Torres Ciambarella, Patrícia Machado Rodrigues, Karla Rodrigues Miranda, Leandro Araújo Lobo, Regina Maria Cavalcanti Pillotto Domingues, Mileane Busch, Georgia Correa Atella, André Macedo Vale, Maria Bellio, Alberto Nóbrega, Fábio B Canto, Rita Fucs
The incidence of allergic diseases, which increased to epidemic proportions in developed countries over the last few decades, has been correlated with altered gut microbiota colonization. Although probiotics may play a critical role in the restoration of gut homeostasis, their efficiency in the control of allergy is controversial. Here, we aimed to investigate the effects of probiotic treatment initiated at neonatal or adult ages on the suppression of experimental ovalbumin (OVA)-induced asthma. Neonatal or adult mice were orally treated with probiotic bacteria and subjected to OVA-induced allergy...
April 3, 2018: International Immunology
https://www.readbyqxmd.com/read/29415330/maternal-supplementation-alone-with-lactobacillus-rhamnosus-hn001-during-pregnancy-and-breastfeeding-does-not-reduce-infant-eczema
#7
Kristin Wickens, Christine Barthow, Edwin A Mitchell, Thorsten V Stanley, Gordon Purdie, Judy Rowden, Janice Kang, Fiona Hood, Lieke van den Elsen, Elizabeth Forbes-Blom, Isobel Franklin, Phillipa Barnes, Penny Fitzharris, Robyn M Maude, Peter Stone, Peter Abels, Rinki Murphy, Julian Crane
BACKGROUND: In a randomized placebo-controlled trial, we previously found that the probiotic Lactobacillus rhamnosus HN001 (HN001) taken by mothers from 35 weeks of gestation until 6 months post-partum if breastfeeding and their child from birth to age 2 years halved the risk of eczema during the first 2 years of life. We aimed to test whether maternal supplementation alone is sufficient to reduce eczema and compare this to our previous study when both the mother and their child were supplemented...
May 2018: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29328393/paediatric-virology-and-its-interaction-between-basic-science-and-clinical-practice-review
#8
Ioannis N Mammas, Anne Greenough, Maria Theodoridou, Anna Kramvis, Maria Rusan, Angeliki Melidou, Paraskevi Korovessi, Georgia Papaioannou, Alexia Papatheodoropoulou, Chryssie Koutsaftiki, Maria Liston, George Sourvinos, Demetrios A Spandidos
The 3rd Workshop on Paediatric Virology, which took place on October 7th, 2017 in Athens, Greece, highlighted the role of breast feeding in the prevention of viral infections during the first years of life. Moreover, it focused on the long-term outcomes of respiratory syncytial virus and rhinovirus infections in prematurely born infants and emphasised the necessity for the development of relevant preventative strategies. Other topics that were covered included the vaccination policy in relation to the migration crisis, mother‑to‑child transmission of hepatitis B and C viruses, vaccination against human papilloma viruses in boys and advances on intranasal live‑attenuated vaccination against influenza...
March 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29206649/the-importance-of-the-microbiome-in-pediatrics-and-pediatric-infectious-diseases
#9
Thaidra Gaufin, Nicole H Tobin, Grace M Aldrovandi
PURPOSE OF REVIEW: Emerging research on the pediatric microbiome implicates the importance of the microbiome on the development of the immune system, nervous system, and growth. Changes to the microbiome during infancy are associated with the development of chronic illnesses such as asthma and inflammatory bowel disease. Additionally, the microbiome provides protection against certain pathogens, affects vaccine responses, and alters drug metabolism. This review highlights what is known about the microbiome, the establishment of a healthy microbiome and the significance that changes to the microbiome composition have on growth and health of children and adolescents...
February 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29161088/mechanistic-basis-for-obesity-related-increases-in-ozone-induced-airway-hyperresponsiveness-in-mice
#10
Stephanie A Shore
Obesity is a risk factor for asthma, especially nonallergic asthma. Ozone, a common air pollutant, is a nonallergic asthma trigger. Importantly, ozone-induced decrements in lung function are greater in obese and overweight human subjects than in lean individuals. Obese mice also exhibit exaggerated pulmonary responses to ozone. Ozone causes greater increases in pulmonary resistance, in bronchoalveolar lavage neutrophils, and in airway hyperresponsiveness in obese than in lean mice. Our data indicate that IL-33 plays a role in mediating these events...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28983453/remote-sensing-between-liver-and-intestine-importance-of-microbial-metabolites
#11
Zidong Donna Fu, Julia Yue Cui
Recent technological advancements including metagenomics sequencing and metabolomics have allowed the discovery of critical functions of gut microbiota in obesity, malnutrition, neurological disorders, asthma, and xenobiotic metabolism. Classification of the human gut microbiome into distinct "enterotypes" has been proposed to serve as a new paradigm for understanding the interplay between microbial variation and human disease phenotypes, as many organs are affected by gut microbiota modifications during the pathogenesis of diseases...
June 2017: Current Pharmacology Reports
https://www.readbyqxmd.com/read/28959241/prophylactic-supplementation-of-bifidobacterium-longum-5-1a-protects-mice-from-ovariectomy-induced-exacerbated-allergic-airway-inflammation-and-airway-hyperresponsiveness
#12
Eduardo Mendes, Beatriz G Acetturi, Andrew M Thomas, Flaviano Dos S Martins, Amanda R Crisma, Gilson Murata, Tárcio T Braga, Niels O S Camâra, Adriana L Dos S Franco, João C Setubal, Willian R Ribeiro, Claudete J Valduga, Rui Curi, Emmanuel Dias-Neto, Wothan Tavares-de-Lima, Caroline M Ferreira
Asthma is a chronic inflammatory disease that affects more females than males after puberty, and its symptoms and severity in women change during menstruation and menopause. Recently, evidence has demonstrated that interactions among the microbiota, female sex hormones, and immunity are associated with the development of autoimmune diseases. However, no studies have investigated if therapeutic gut microbiota modulation strategies could affect asthma exacerbation during menstruation and menopause. Here we aimed to examine the preventive effects of a probiotic, Bifidobacterium longum 5(1A), on airway inflammation exacerbation in allergic ovariectomized mice...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28776643/contributions-of-the-intestinal-microbiome-in-lung-immunity
#13
REVIEW
Jeremy P McAleer, Jay K Kolls
The intestine is a critical site of immune cell development that not only controls intestinal immunity but extra-intestinal immunity as well. Recent findings have highlighted important roles for gut microbiota in shaping lung inflammation. Here, we discuss interactions between the microbiota and immune system including T cells, protective effects of microbiota on lung infections, the role of diet in shaping the composition of gut microbiota and susceptibility to asthma, epidemiologic evidence implicating antibiotic use and microbiota in asthma and clinical trials investigating probiotics as potential treatments for atopy and asthma...
January 2018: European Journal of Immunology
https://www.readbyqxmd.com/read/28744273/oral-probiotics-alter-healthy-feline-respiratory-microbiota
#14
Aida I Vientós-Plotts, Aaron C Ericsson, Hansjorg Rindt, Carol R Reinero
Probiotics have been advocated as a novel therapeutic approach to respiratory disease, but knowledge of how oral administration of probiotics influences the respiratory microbiota is needed. Using 16S rRNA amplicon sequencing of bacterial DNA our objective was to determine whether oral probiotics changed the composition of the upper and lower airway, rectal, and blood microbiota. We hypothesized that oral probiotics would modulate the respiratory microbiota in healthy cats, demonstrated by the detection and/or increased relative abundance of the probiotic bacterial species and altered composition of the microbial population in the respiratory tract...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28658542/the-nutrition-gut-microbiome-physiology-axis-and-allergic-diseases
#15
REVIEW
Craig McKenzie, Jian Tan, Laurence Macia, Charles R Mackay
Dietary and bacterial metabolites influence immune responses. This raises the question whether the increased incidence of allergies, asthma, some autoimmune diseases, cardiovascular disease, and others might relate to intake of unhealthy foods, and the decreased intake of dietary fiber. In recent years, new knowledge on the molecular mechanisms underpinning a 'diet-gut microbiota-physiology axis' has emerged to substantiate this idea. Fiber is fermented to short chain fatty acids (SCFAs), particularly acetate, butyrate, and propionate...
July 2017: Immunological Reviews
https://www.readbyqxmd.com/read/28408909/the-maternal-diet-gut-bacteria-and-bacterial-metabolites-during-pregnancy-influence-offspring-asthma
#16
REVIEW
Lawrence E K Gray, Martin O'Hely, Sarath Ranganathan, Peter David Sly, Peter Vuillermin
This review focuses on the current evidence that maternal dietary and gut bacterial exposures during pregnancy influence the developing fetal immune system and subsequent offspring asthma. Part 1 addresses exposure to a farm environment, antibiotics, and prebiotic and probiotic supplementation that together indicate the importance of bacterial experience in immune programming and offspring asthma. Part 2 outlines proposed mechanisms to explain these associations including bacterial exposure of the fetoplacental unit; immunoglobulin-related transplacental transport of gut bacterial components; cytokine signaling producing fetomaternal immune alignment; and immune programming via metabolites produced by gut bacteria...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28390574/airway-microbial-dysbiosis-in-asthmatic-patients-a%C3%A2-target-for-prevention-and-treatment
#17
REVIEW
Kian Fan Chung
There has been long-standing interest in the role of bacterial communities in the complex and heterogeneous disease of asthma. With the advent of 16s rRNA sequencing replacing traditional culture methods, a strong association between the presence of bacterial communities with asthma has emerged. These microbiota can be modulated by various environmental factors, including diet, antibiotics, and early-life microbial exposures. Microbiota in the gut and lungs can influence both the inception and progress of asthma...
April 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28375932/outstanding-animal-studies-in-allergy-ii-from-atopic-barrier-and-microbiome-to-allergen-specific-immunotherapy
#18
REVIEW
Erika Jensen-Jarolim, Isabella Pali-Schöll, Franziska Roth-Walter
PURPOSE OF REVIEW: Animal studies published within the past 18 months were assessed, focusing on innate and specific immunomodulation, providing knowledge of high translational relevance for human atopic and allergic diseases. RECENT FINDINGS: Allergic companion animals represent alternative models, but most studies were done in mice. Atopic dermatitis mouse models were refined by the utilization of cytokines like IL-23 and relevant skin allergens or enzymes. A novel IL-6 reporter mouse allows biomonitoring of inflammation...
June 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28270216/bifidobacterium-mixture-b-longum-bb536-b-infantis-m-63-b-breve-m-16v-treatment-in-children-with-seasonal-allergic-rhinitis-and-intermittent-asthma
#19
RANDOMIZED CONTROLLED TRIAL
Michele Miraglia Del Giudice, Cristiana Indolfi, Michele Capasso, Nunzia Maiello, Fabio Decimo, Giorgio Ciprandi
BACKGROUND: Allergic rhinitis (AR) and allergic asthma are caused by an IgE-mediated inflammatory reaction. Probiotics may exert anti-inflammatory and immune-modulatory activity. Thus, this study aimed at investigating whether a Bifidobacteria mixture could be able to relieve nasal symptoms, and affect quality of life (QoL) in children with AR and intermittent asthma due to Parietaria allergy. MATERIALS AND METHODS: The present study was conducted as placebo-controlled, double-blinded, and randomized...
March 7, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28256040/applications-and-safety-considerations-of-lactobacillus-salivarius-as-a-probiotic-in-animal-and-human-health
#20
REVIEW
Byron D Chaves, Mindy M Brashears, Kendra K Nightingale
The goals of this review are to summarize the current knowledge on the application of Lactobacillus salivarius as a probiotic in animals and humans, and to address safety concerns with its use on live hosts. Overall, several strains of L. salivarius are well established probiotics with multiple applications in animal health, particularly to reduce colonization by gastrointestinal (GI) pathogens, and to a lesser extent, as a production and quality aid. In humans, L. salivarius has been used to prevent and treat a variety of chronic diseases, including asthma, cancer, atopic dermatitis, and halitosis, and to a much limited extent, to prevent or treat infections...
March 3, 2017: Journal of Applied Microbiology
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