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Asthma and Vitamin D

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https://www.readbyqxmd.com/read/29785060/cost-effectiveness-of-vitamin-c-supplementation-for-pregnant-smokers-to-improve-offspring-lung-function-at-birth-and-reduce-childhood-wheeze-asthma
#1
Leah Yieh, Cindy T McEvoy, Scott W Hoffman, Aaron B Caughey, Kelvin D MacDonald, Dmitry Dukhovny
OBJECTIVE: To determine the implications of supplemental vitamin C for pregnant tobacco smokers and its effects on the prevalence of pediatric asthma, asthma-related mortality, and associated costs. STUDY DESIGN: A decision-analytic model built via TreeAge compared the outcome of asthma in a theoretical annual cohort of 480,000 children born to pregnant smokers through 18 years of life. Vitamin C supplementation (500 mg/day) with a standard prenatal vitamin was compared to a prenatal vitamin (60 mg/day)...
May 22, 2018: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29764626/25-hydroxvitamin-d-concentrations-are-not-lower-in-children-with-bronchial-asthma-atopic-dermatitis-obesity-or-attention-deficient-hyperactivity-disorder-than-in-healthy-children
#2
Thomas Reinehr, Christian Langrock, Eckard Hamelmann, Thomas Lücke, Cordula Koerner-Rettberg, Martin Holtmann, Tanja Legenbauer, Stephanie Gest, Mirjam Frank, Börge Schmidt, Katharina Radkowski, Karl-Heinz Jöckel
Vitamin D (vitD) is involved in immune regulation, and its receptor has been identified in several tissues including lung, adipose tissue, brain, and skin. Based on these observations, it has been suggested that vitD has an essential role not only in bone metabolism but also in other diseases such as atopic dermatitis (AD), bronchial asthma (BA), attention-deficit/hyperactivity disorder (ADHD), and obesity because the affected tissues express vitD receptors. Furthermore, obesity, AD, and BA are regarded as inflammatory diseases...
April 2018: Nutrition Research
https://www.readbyqxmd.com/read/29755960/long-sun-exposures-influencing-high-sub-cutaneous-synthesis-of-vitamin-d3-may-be-associated-with-exacerbation-of-symptoms-in-allergic-asthma
#3
L G D'Cruz, S A Husain, T Wells, C Morgan, P J Stanczyk, A Satgunarajah, J Kashir, B L Calver, L M Blayney, F A Lai
Objectives: Does excessive sun-exposure, non-use of sunscreen and/or high doses of vitamin-D3 supplements provoke exacerbation of asthma? Design: Clinical examinations, retrospective records-access and questionnaire surveys were distributed to a convenience sample of allergic-asthma patient (n=183). Setting: Patients (19-89 years) attending the outpatient respiratory clinics at Maidstone Hospital were enrolled. Results: 90...
March 26, 2018: Journal of Aging Research & Clinical Practice
https://www.readbyqxmd.com/read/29723942/-antioxidant-vitamins-in-asthma
#4
Columba Citlalli Barrera-Mendoza, Francisco Ayala-Mata, Christian Cortés-Rojo, Martha Estrella García-Pérez, Alain Raimundo Rodríguez-Orozco
Asthma is a condition of unknown etiology characterized by chronic airway inflammation. Cells that mediate the inflammatory response generate reactive oxygen species that, together with other respiratory tract naturally-occurring oxidant species, produce a rupture of the redox balance, generating oxidative stress. It has been proposed that oxidative stress can be reverted by supplemental or dietary intake of antioxidant vitamins such as vitamin A, C, D and E, and this way relieve, improve or protect people with asthma...
January 2018: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/29722838/vitamin-a-and-d-intake-in-pregnancy-infant-supplementation-and-asthma-development-the-norwegian-mother-and-child-cohort
#5
Christine L Parr, Maria C Magnus, Øystein Karlstad, Kristin Holvik, Nicolai A Lund-Blix, Margareta Haugen, Christian M Page, Per Nafstad, Per M Ueland, Stephanie J London, Siri E Håberg, Wenche Nystad
Background: Western diets may provide excess vitamin A, which is potentially toxic and could adversely affect respiratory health and counteract benefits from vitamin D. Objective: The aim of this study was to examine child asthma at age 7 y in relation to maternal intake of vitamins A and D during pregnancy, infant supplementation with these vitamins, and their potential interaction. Design: We studied 61,676 school-age children (born during 2002-2007) from the Norwegian Mother and Child Cohort with data on maternal total (food and supplement) nutrient intake in pregnancy (food-frequency questionnaire validated against biomarkers) and infant supplement use at age 6 mo (n = 54,142 children)...
May 1, 2018: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29716592/pollution-and-respiratory-disease-can-diet-or-supplements-help-a-review
#6
REVIEW
T Whyand, J R Hurst, M Beckles, M E Caplin
Pollution is known to cause and exacerbate a number of chronic respiratory diseases. The World Health Organisation has placed air pollution as the world's largest environmental health risk factor. There has been recent publicity about the role for diet and anti-oxidants in mitigating the effects of pollution, and this review assesses the evidence for alterations in diet, including vitamin supplementation in abrogating the effects of pollution on asthma and other chronic respiratory diseases. We found evidence to suggest that carotenoids, vitamin D and vitamin E help protect against pollution damage which can trigger asthma, COPD and lung cancer initiation...
May 2, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29712666/randomized-phase-2-trial-of-monthly-vitamin-d-to-prevent-respiratory-complications-in-children-with-sickle-cell-disease
#7
Margaret T Lee, Meyer Kattan, Ilene Fennoy, Stephen M Arpadi, Rachel L Miller, Serge Cremers, Donald J McMahon, Jeri W Nieves, Gary M Brittenham
In sickle cell disease, respiratory infection and asthma may lead to respiratory complications that are a leading cause of morbidity and mortality. Vitamin D has anti-infective and immunomodulatory effects that may decrease the risk for respiratory infections, asthma, and acute chest syndrome. We conducted a randomized double-blind active-controlled clinical trial to determine whether monthly oral vitamin D3 can reduce the rate of respiratory events in children with sickle cell disease. Seventy sickle cell subjects, ages 3-20 years, with baseline records of respiratory events over 1 year before randomization, underwent screening...
May 8, 2018: Blood Advances
https://www.readbyqxmd.com/read/29709052/can-vitamin-d-help-in-achieving-asthma-control-vitamin-d-revisited-an-updated-insight
#8
Izabela Szymczak, Rafal Pawliczak
Asthma - a prolonged respiratory disease related with hyper-responsiveness and increased inflammation of airways; affects millions peoples worldwide. Vitamin D possess anti-inflammatory and immunomodulatory activities. Its deficiency (the level less than 20 ng/mL in the serum) is found to be related to occurrence of pulmonary diseases including bacterial and viral infections and asthma. Some studies indicate that low levels of vitamin D in the serum are related to reduced lung function and increased airway inflammation as well as overall poor results in asthmatic patients...
2018: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/29707474/vitamin-a-and-d-in-allergy-from-experimental-animal-models-and-cellular-studies-to-human-disease
#9
REVIEW
Karin Hufnagl, Erika Jensen-Jarolim
Introduction: Vitamins A and D are able to modulate innate and adaptive immune responses and may therefore influence the development and the course of allergic diseases. Materials and methods: This article reviews the current evidence for the experimental effects of vitamins A and D in vivo in animal models and on immune cells in vitro , and discusses their translational implication. A systematic literature search over the last 10 years was performed using MEDLINE and PubMed databases...
2018: Allergo Journal International
https://www.readbyqxmd.com/read/29691706/low-concentrations-of-25-hydroxyvitamin-d-and-long-term-prognosis-of-copd-a-prospective-cohort-study
#10
Gitte Færk, Yunus Çolak, Shoaib Afzal, Børge G Nordestgaard
Role and importance of vitamin D deficiency in long-term prognosis of chronic obstructive pulmonary disease (COPD) still remains undetermined. We tested the hypothesis that among individuals with COPD, those with low concentrations of 25-hydroxyvitamin D have a poorer prognosis compared to those with normal concentrations. We studied 35,153 individuals from the general population aged 20-100 years with 25-hydroxyvitamin D measurements and spirometry, the Copenhagen City Heart Study [median follow-up 21 years (range 13 days-36 years)] and the Copenhagen General Population Study [7...
April 24, 2018: European Journal of Epidemiology
https://www.readbyqxmd.com/read/29684104/maternal-vitamin-d-supplementation-during-pregnancy
#11
Elizabeth M Curtis, Rebecca J Moon, Nicholas C Harvey, Cyrus Cooper
Introduction: Maternal vitamin D status in pregnancy has been linked to many health outcomes in mother and offspring. A wealth of observational studies have reported on both obstetric outcomes and complications, including pre-eclampsia, gestational diabetes, mode and timing of delivery. Many foetal and childhood outcomes are also linked to vitamin D status, including measures of foetal size, body composition and skeletal mineralization, in addition to later childhood outcomes, such as asthma...
April 19, 2018: British Medical Bulletin
https://www.readbyqxmd.com/read/29669660/correlation-between-vitamin-d-serum-levels-and-passive-smoking-exposure-in-children-with-asthma
#12
Iolanda Chinellato, Michele Piazza, Marco Sandri, Giulia Paiola, Giovanna Tezza, Attilio L Boner
OBJECTIVE: To establish the relationship between vitamin D serum levels, pulmonary function, asthma control, and passive smoking exposure in children with asthma. METHODS: We studied the relationship between 25-hydroxy cholecalciferol (25[OH]D) concentrations and baseline spirometry and levels of asthma control, and the effect of parental tobacco smoke exposure in 152 white children (84 boys [55.3%]) with a mean age ± standard deviation of 9.9 ± 2.0 years (range 5-15 years) in a cross-sectional study carried out during the winter and early spring...
May 1, 2018: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/29666919/prevalence-of-vitamin-d-insufficiency-and-evidence-for-disease-prevention-in-the-older-population
#13
REVIEW
Julia Kühn, Paula Trotz, Gabriele I Stangl
The prevalence of vitamin D insufficiency, usually assessed by the analysis of circulating 25-hydroxyvitamin D (25[OH])D), is very high in the aging German population. An important factor that reduces endogenous vitamin D synthesis in older persons is physical inactivity or care-dependency that limits the time spent outside. Additionally, it has been suggested that the age-dependent decline in the glomerular filtration rate is associated with a reduced production of bioactive calcitriol. As this phenomenon is not detectable by the assessment of 25(OH)D, it is necessary to analyze the level of parathyroid hormone as a marker of calcitriol function...
April 17, 2018: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/29664734/potential-causes-of-asthma-in-the-united-arab-emirates-drawing-insights-from-the-arabian-gulf
#14
REVIEW
Sarah Dalibalta, Fatin Samara, Haya Qadri, Hibatallah Adouchana
There is considerable concern on the rise in the incidence of asthma worldwide with statistics in the United Arab Emirates (UAE) indicating that at least 13% of schoolchildren, particularly of Emirati descent, suffer from asthma. With its high rates of hospital admissions, negative socioeconomic impact and significant morbidity, this is a disease that requires optimal guidelines for control and awareness. In this article, we review the current knowledge of asthma in the UAE and draw on studies, especially from the surrounding region, to identify its contributing factors within this population...
April 17, 2018: Reviews on Environmental Health
https://www.readbyqxmd.com/read/29599679/seasonal-variation-of-asthma-control-lung-function-tests-and-allergic-inflammation-in-relation-to-vitamin-d-levels-a-prospective-annual-study
#15
Sehra Birgül Batmaz, Tuğba Arıkoğlu, Lülüfer Tamer, Gülçin Eskandari, Semanur Kuyucu
Introduction: There are scarce data about the role of vitamin D (vitD) in asthma control related to seasons and other confounders. Aim: To investigate the seasonal relationship between vitD levels and asthma control, lung function tests (LFTs) and cytokines during a 1-year period, among 7-17-year-old asthmatic children. Material and methods: Thirty patients with asthma with house dust mite monosensitization were evaluated 3 monthly about the previous month's health and vitD related lifestyle factors and asthma control test (ACT), spirometry and bronchial provocation test for a year...
February 2018: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/29564774/serum-vitamin-d-concentration-and-markers-of-bone-metabolism-in-perimenopausal-and-postmenopausal-women-with-asthma-and-copd
#16
K Białek-Gosk, R Rubinsztajn, S Białek, M Paplińska-Goryca, R Krenke, R Chazan
Aging and menopause are closely related to hormonal and metabolic changes. Vitamin D is a crucial factor modulating several metabolic processes. The aim of this study was to evaluate biomarkers of bone metabolism in peri- and postmenopausal women with obstructive lung diseases. Sixty two female patients, 27 with asthma and 35 with COPD, aged over 45 years (median age 58 and 64 years, respectively) were enrolled into the study. The evaluation included lung function, bone mineral density, serum concentration of vitamin D, and bone metabolism markers...
March 22, 2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29533937/maternal-and-foetal-health-implications-of-vitamin-d-status-during-pregnancy
#17
Elvira Larqué, Eva Morales, Rosaura Leis, José E Blanco-Carnero
BACKGROUND: To what extent does the circulating 25-hydroxyvitamin D (25[OH]D) concentration help to meet the physiological needs of humans is an ongoing subject of debate. Remaining unexposed to the sun to reduce melanoma cancer risk, current lifestyle with less out door activities, and increasing obesity rates, which in turn increases the storage of vitamin D in the adipose tissue, are presumably factors that contribute to the substantial upsurge in the prevalence of vitamin D deficiency in humans...
2018: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/29502202/association-between-vitamin-d-metabolism-gene-polymorphisms-and-risk-of-tunisian-adults-asthma
#18
Oussama Lahmar, Mariem Salhi, Wajih Kaabachi, Anissa Berraies, Jamel Ammar, Munawar Hussain Soomro, Martin Larsen, Isabella Annesi-Maesano, Kamel Hamzaoui, Agnes Hamzaoui
INTRODUCTION: Several studies have shown a strong correlation between the serum vitamin D level and asthma severity and deficits in lung function. OBJECTIVE: Study the relationship between vitamin D and the severity of asthma by targeting five SNPs of vitamin D metabolism gene pathway in a Tunisian adult asthmatics population. METHODS: Our case-control study includes 154 adult asthmatic patients and 154 healthy Tunisian subjects. We genotyped many variants in three human genes encoding key components of the vitamin D metabolism, CYP2R1, CYP27B1, GC...
June 2018: Lung
https://www.readbyqxmd.com/read/29501248/serum-25-hydroxyvitamin-d-vitamin-d-supplement-and-asthma-control-the-hunt-study
#19
Ben M Brumpton, Arnulf Langhammer, Anne H Henriksen, Pål R Romundstad, Yue Chen, Carlos A Camargo, Xiao-Mei Mai
Few studies have investigated the association between serum 25-hydroxyvitamin D (25[OH]D), vitamin D supplement and asthma control among adults. We aimed to examine whether low levels of serum 25(OH)D or not taking vitamin D supplement were associated with an increased risk of poorly controlled asthma among Norwegian adults with asthma. We used a definition of asthma control adapted from the Global Initiative for Asthma. We first examined cross-sectional associations between serum 25(OH)D (n = 806) or vitamin D supplement (n = 1179) and poorly controlled asthma...
March 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29463584/pregnancy-diet-and-offspring-asthma-risk-over-a-10-year-period-the-lifeways-cross-generation-cohort-study-ireland
#20
Karien Viljoen, Ricardo Segurado, John O'Brien, Celine Murrin, John Mehegan, Cecily C Kelleher
OBJECTIVE: The association of maternal pregnancy diet with offspring asthma risk have been reported. However, literature on longitudinal patterns of asthma risk relative to intrauterine nutrient exposure is limited. We aimed to establish whether vegetable, oily fish and vitamin D intake during pregnancy are associated with childhood asthma risk over a 10-year period in the Irish Republic. DESIGN: Mother-child pairs (n=897) from the Lifeways prospective birth cohort, with data on nutrient intake during pregnancy and asthma status, respectively, were eligible for inclusion in the analysis...
February 20, 2018: BMJ Open
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