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https://www.readbyqxmd.com/read/28927820/a-novel-role-for-cilia-function-in-atopy-adgrv1-and-dnah5-interactions
#1
Pierre-Emmanuel Sugier, Myriam Brossard, Chloé Sarnowski, Amaury Vaysse, Andréanne Morin, Lucile Pain, Patricia Margaritte-Jeannin, Marie-Hélène Dizier, William O C M Cookson, Mark Lathrop, Miriam F Moffatt, Catherine Laprise, Florence Demenais, Emmanuelle Bouzigon
BACKGROUND: Atopy, an endotype underlying allergic diseases, has a substantial genetic component. OBJECTIVE: Our goal was to identify novel genes associated with atopy in asthma-ascertained families. METHODS: We implemented a three-step analysis strategy in three datasets: The Epidemiological study on the Genetics and Environment of Asthma (EGEA) dataset: 1,660 subjects; The Saguenay-Lac-Saint-Jean (SLSJ) dataset: 1,138 subjects; and The Medical Research Council (MRC) dataset: 446 subjects)...
September 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28927489/role-of-exhaled-nasal-nitric-oxide-in-distinguishing-between-chronic-rhinosinusitis-with-and-without-nasal-polyps
#2
(no author information available yet)
BACKGROUND: Chronic rhinosinusitis (CRS) with nasal polyps (CRSwNP) and CRS without nasal polyps (CRSsNP) nasal polypsis a global health concern. Several clinical biomarkers, such as inhaled carbon monoxide and exhaled nitric oxide (NO), have been studied to assess the presence and degree of inflammation in the airway mucosa. OBJECTIVE: To evaluate the clinical application of exhaled nasal NO (nNO) in distinguishing between CRSwNP and CRSsNP in consideration of the atopic status of patients...
September 19, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28925870/pollution-and-sun-exposure-a-deleterious-synergy-mechanisms-and-opportunities-for-skin-protection
#3
Laurent Marrot
Pollutants are highly diverse chemical entities, including gases such as ozone or nitrogen and sulphur oxides and particulate matter of different sizes and with different chemical constituents. PM2.5 is composed of particles that are sometimes about ten nanometres or so in size (ultrafine particles) which can be deposited in lung alveoli, translocated into capillaries and then distributed to all organs through blood circulation. PM2.5 is often associated with toxic chemicals such as heavy metals or polycyclic aromatic hydrocarbons (PAHs) and some photo-reactive PAHs can induce strong oxidative stress under UVA exposure...
September 18, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28916221/reduced-risk-of-peanut-sensitization-following-exposure-through-breast-feeding-and-early-peanut-introduction
#4
Tracy J Pitt, Allan B Becker, Moira Chan-Yeung, Edmond S Chan, Wade T A Watson, Rishma Chooniedass, Meghan B Azad
BACKGROUND: Recent trials have shown that avoiding peanuts during infancy increases the risk of peanut allergy; however, these studies did not address maternal peanut consumption. OBJECTIVE: We sought to investigate the relationship between maternal peanut consumption while breast-feeding, timing of direct peanut introduction, and peanut sensitization at age 7 years. METHODS: Secondary analysis of a nested cohort within the 1995 Canadian Asthma Primary Prevention Study intervention study was performed...
August 22, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28915873/a-prospective-cohort-study-on-ambient-air-pollution-and-respiratory-morbidities-including-childhood-asthma-in-adolescents-from-the-western-cape-province-study-protocol
#5
Toyib Olaniyan, Mohamed Jeebhay, Martin Röösli, Rajen Naidoo, Roslynn Baatjies, Nino Künzil, Ming Tsai, Mark Davey, Kees de Hoogh, Dilys Berman, Bhawoodien Parker, Joy Leaner, Mohamed Aqiel Dalvie
BACKGROUND: There is evidence from existing literature that ambient air pollutant exposure in early childhood likely plays an important role in asthma exacerbation and other respiratory symptoms, with greater effect among asthmatic children. However, there is inconclusive evidence on the role of ambient air pollutant exposures in relation to increasing asthma prevalence as well as asthma induction in children. At the population level, little is known about the potential synergistic effects between pollen allergens and air pollutants since this type of association poses challenges in uncontrolled real life settings...
September 16, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28912492/epicutaneous-allergen-application-preferentially-boosts-specific-t-cell-responses-in-sensitized-patients
#6
Raffaela Campana, Katharina Moritz, Angela Neubauer, Hans Huber, Rainer Henning, Tess M Brodie, Alexandra Kaider, Federica Sallusto, Stefan Wöhrl, Rudolf Valenta
The effects of epicutaneous allergen administration on systemic immune responses in allergic and non-allergic individuals has not been investigated with defined allergen molecules. We studied the effects of epicutaneous administration of rBet v 1 and rBet v 1 fragments on systemic immune responses in allergic and non-allergic subjects. We conducted a clinical trial in which rBet v 1 and two hypoallergenic rBet v 1 fragments were applied epicutaneously by atopy patch testing (APT) to 15 birch pollen (bp) allergic patients suffering from atopic dermatitis, 5 bp-allergic patients suffering from rhinoconjunctivitis only, 5 patients with respiratory allergy without bp allergy and 5 non-allergic individuals...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912020/intestinal-dysbiosis-featuring-abundance-of-ruminococcus-gnavus-associates-with-allergic-diseases-in-infants
#7
Huey-Huey Chua, Hung-Chieh Chou, Ya-Ling Tung, Bor-Luen Chiang, Chien-Chia Liao, Hong-Hsing Liu, Yen-Hsuan Ni
BACKGROUND & AIMS: Dysbiosis of the intestinal microbiota has been associated with development of allergies in infants. However, it is not clear what microbes might contribute to this process. We investigated what microbe(s) might be involved in analyses of infant twins and mice. METHODS: We studied fecal specimens prospectively in a twin cohort (n=30) and age-matched singletons (n=14) born at National Taiwan University Children's Hospital, Taipei, Taiwan, from April 2011 to March 2013...
September 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28902527/smoking-in-the-family-is-most-predictive-of-the-development-of-childhood-asthma-in-preterm-babies-30-weeks-gestation-results-of-the-respiratory-outcomes-study-2-repos2
#8
Claire F Johnston, Margaret Broom, Bruce Shadbolt, David A Todd
OBJECTIVES: The Respiratory Outcomes Study 2 (RESPOS2) investigated the relationship between neonatal outcomes (specifically, chronic lung disease [CLD]) and environmental factors on the development of asthma and atopic outcomes at primary school age for preterm babies (PBs) <30 weeks gestational age (GA). METHODS: The study included all surviving PBs <30 weeks GA admitted to the Neonatal Intensive Care Unit at Canberra Hospital, Australian Capital Territory between 2007-2009...
September 13, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28899934/bronchial-hyperresponsiveness-and-obesity-in-middle-age-insights-from-an-australian-cohort
#9
John A Burgess, Melanie C Matheson, Fei Diao, David P Johns, Bircan Erbas, Adrian J Lowe, Lyle C Gurrin, Caroline J Lodge, Paul S Thomas, Stephen Morrison, Bruce R Thompson, Iain Feather, Jennifer L Perret, Michael J Abramson, Graham G Giles, John L Hopper, Shyamali C Dharmage, Eugene H Walters
The association between obesity and bronchial hyperresponsiveness (BHR) is incompletely characterised. Using the 2006 follow-up of the Tasmanian Longitudinal Health Study, we measured the association between obesity and BHR and whether it was mediated by small airway closure or modified by asthma and sex of the patient.A methacholine challenge measured BHR. Multivariable logistic regression measured associations between body mass index (BMI) and BHR, adjusting for sex, asthma, smoking, corticosteroid use, family history and lung function...
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28898324/-probiotics-innocuousness-prevention-and-risks
#10
Oscar Brunser
Probiotics have been defined as live microorganisms which, when ingested in adequate numbers, confer health benefits to the host. They are currently consumed without any age restrictions and adverse effects such as sepsis, a marker of the risk of invasion of the bloodstream, are extremely infrequent. However, some health professionals express doubts about probiotics being truly innocuous. This review discusses the incidence of sepsis secondary to probiotics use, mainly lactobacilli and bifidobacteria, evaluated through molecular biology or classic culture techniques, showing that sepsis in large numbers of individuals along decennia is extremely low, of the order of 0,02% en some centers or as low as 1 case/million population in France...
2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28894935/tissue-compartmentalization-of-t-cell-responses-during-early-life
#11
REVIEW
Kyra D Zens, Thomas Connors, Donna L Farber
The immune system in early life is tasked with transitioning from a relatively protected environment to one in which it encounters a wide variety of innocuous antigens and dangerous pathogens. The immaturity of the developing immune system, and particularly the distinct functionality of T lymphocytes in early life, has been implicated in increased susceptibility to infection. Previous work has demonstrated that immune responses in early life are skewed toward limited inflammation and atopy; however, there is mounting evidence that such responses are context- and tissue-dependent...
September 11, 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/28890022/lymphoproliferative-responses-to-dendritic-cell-presentation-of-sensitizing-allergens-in-atopic-children-with-multiple-allergies
#12
Tim H Scott-Taylor, Stefan-Claudiu Axinia, Stephan Strobel
BACKGROUND: Peripheral blood mononuclear cells (PBMCs) proliferate inconsistently, rendering current lymphoproliferation assays unreliable in diagnosis. OBJECTIVE: To investigate the utility and nature of proliferation responses in allergy by comparison of the standard lymphoproliferation with a new dendritic cell (DC) stimulated assay. METHODS: Monocyte-derived DCs were pulsed with allergens and incubated with autologous T cells for 7 days...
September 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28887720/early-folic-acid-supplement-initiation-and-risk-of-adverse-early-childhood-respiratory-health-a-population-based-study
#13
Vivian H Alfonso, Gretchen Bandoli, Ondine von Ehrenstein, Beate Ritz
Objectives Folate plays a vital role in biologic functions yet women often do not meet the recommended dietary intake in pregnancy. It has been suggested that high folic acid intake during pregnancy may increase the risk of respiratory diseases in offspring. However, findings from observational studies in human populations are inconclusive. Methods In this population-based study, we collected self-reported folic acid and prenatal vitamin supplement use during pregnancy 3-6 months postpartum from mothers in Los Angeles whose children were born in 2003...
September 8, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28886946/postmarketing-safety-surveillance-of-trivalent-recombinant-influenza-vaccine-reports-to-the-vaccine-adverse-event-reporting-system
#14
Emily Jane Woo, Pedro L Moro, Maria Cano, Christopher Jankosky
On January 16, 2013, the Food and Drug Administration approved recombinant hemagglutinin influenza vaccine (RIV3) (Spodoptera frugiperda cell line; Flublok), which is the first completely egg-free flu vaccine licensed in the United States. To improve our understanding of the safety profile of this vaccine, we reviewed and summarized reports to the Vaccine Adverse Event Reporting System (VAERS) following RIV3. Through June 30, 2016, VAERS received 88 reports. Allergic reactions, including anaphylaxis, were the most common type of adverse event...
September 5, 2017: Vaccine
https://www.readbyqxmd.com/read/28882939/wasp-sting-induced-stemi-with-complete-coronary-artery-occlusion-a-case-of-kounis-syndrome
#15
Benjamin Cross, Tawfiqur Rahman Choudhury, Mark Hindle, Gavin Galasko
A 45-year-old previously healthy man with minimal coronary artery disease on imaging presented with an acute MI after sustaining a wasp sting following previous non-eventful exposures throughout his life. This is the first case of Kounis syndrome with optical coherence tomography imaging and proven IgE wasp venom hypersensitivity. The Hymenoptera venom is composed of allergenic proteins and vasoactive amines which are responsible for venom toxicity. This patient also has a history of atopy giving a predisposition for developing IgE-mediated allergic reactions...
September 7, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28878838/correlation-between-idiopathic-nephrotic-syndrome-and-atopy-in-children-short-review
#16
Elena Camelia Berghea, Mihaela Balgradean, Ionela-Loredana Popa
The idiopathic nephrotic syndrome is a common chronic kidney diseases in children defined by the association of massive proteinuria and hypoalbuminemia in a relapsing/remission course, with histological aspect of minimal changes (also called minimal change disease) in the majority of the cases, but its pathogenesis remains not very well known. Clinical and immunological studies have consistently shown a relationship between atopic diathesis, immunoglobulin E and cytokines involved in immunoglobulin E synthesis and idiopathic nephrotic syndrome...
January 2017: Mædica
https://www.readbyqxmd.com/read/28874741/a-functional-ifn-%C3%AE-4-generating-dna-polymorphism-could-protect-older-asthmatic-women-from-aeroallergen-sensitization-and-associate-with-clinical-features-of-asthma
#17
Sreedhar Chinnaswamy, Aleksandra Wardzynska, Malgorzata Pawelczyk, Joanna Makowska, Tea Skaaby, Josep M Mercader, Tarunveer S Ahluwalia, Niels Grarup, Marta Guindo-Martinez, Hans Bisgaard, David Torrents, Allan Linneberg, Klaus Bønnelykke, Marek L Kowalski
Lambda interferons (IFNLs) have immunomodulatory functions at epithelial barrier surfaces. IFN-λ4, a recent member of this family is expressed only in a subset of the population due to a frameshift-causing DNA polymorphism rs368234815. We examined the association of this polymorphism with atopy (aeroallergen sensitization) and asthma in a Polish hospital-based case-control cohort comprising of well-characterized adult asthmatics (n = 326) and healthy controls (n = 111). In the combined cohort, we saw no association of the polymorphism with asthma and/or atopy...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28872688/liposomal-%C3%AE-galactosylceramide-is-taken-up-by-gut-associated-lymphoid-tissue-and-stimulates-local-and-systemic-immune-responses
#18
Kan Kaneko, Arlene McDowell, Yasuyuki Ishii, Sarah Hook
OBJECTIVES: α-Galactosylceramide (α-GalCer), a synthetic glycosphingolipid that exhibits potent immunostimulatory effects through activation of natural killer T (NKT) cells, can be used to treat conditions such as atopy, cancer, infection and autoimmunity. Administration of therapeutics through the oral route has advantages such as patient convenience, safety and reduced cost; however, there has been little research to investigate whether oral delivery of α-GalCer is possible. The aim of this study was therefore to determine whether α-GalCer formulated in either DMSO/Tween 80 or in liposomes, could access lymphoid tissue and stimulate immune activation following oral administration...
September 5, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28871585/exhaled-nitric-oxide-atopy-and-spirometry-in-asthma-and-rhinitis-patients-in-india
#19
Raj Kumar, Nitesh Gupta
INTRODUCTION: Asthma is a chronic airway inflammatory disorder. Nitric oxide (NO) is non-invasively measured in exhaled breath (FeNO). The aim of the study was to investigate the anthropometric and physiologic factors that influence FeNO measurements. Also, to evaluate FeNO correlation with spirometry and inflammatory markers in asthma and rhinitis. MATERIAL AND METHODS: The study was a prospective analysis of asthma (BA) and rhinitis (AR) in patients enrolled from outpatient clinics between 2011 and 2015...
2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/28870461/enhanced-plasmacytoid-dendritic-cell-antiviral-responses-after-omalizumab
#20
Michelle A Gill, Andrew H Liu, Agustin Calatroni, Rebecca Z Krouse, Baomei Shao, Allison Schiltz, James E Gern, Alkis Togias, William W Busse
BACKGROUND: Atopy and viral respiratory infections synergistically promote asthma exacerbations. IgE cross-linking inhibits critical viral-induced IFNα responses of plasmacytoid dendritic cells (pDCs), which can be deficient in allergic asthma. OBJECTIVE: To determine whether reducing IgE in vivo with omalizumab treatment increases pDC antiviral IFNα responses in inner city children with asthma. METHODS: PBMCs and pDCs isolated from children with exacerbation-prone asthma before and during omalizumab treatment were stimulated ex vivo with rhinovirus and influenza in the presence or absence of IgE cross-linking...
September 1, 2017: Journal of Allergy and Clinical Immunology
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