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Nutrition: Vitamins
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Total 1421 results found since Jan 2013.
Primary Prevention of Allergy - Is It Feasible?
Allergy Asthma Immunol Res. 2023 Jul;15(4):419-436. doi: 10.4168/aair.2023.15.4.419.ABSTRACTThe allergy epidemic has been attributed to environmental influences related to urbanization and the modern lifestyle. In this regard, various theories exploring the role of microbes (hygiene, old friends, microbiota, and biodiversity hypotheses), and the epithelial barrier (epithelial, dual allergen exposure and vitamin D hypotheses) have been proposed. These hypotheses have guided clinical studies that led to the formulation of intervention strategies during the proposed window of opportunity dubbed as the "first thousand days." T...
Source: Allergy, Asthma and Immunology Research - July 20, 2023 Category: Allergy & Immunology Authors: Pauline Poh-Lin Chan Ng Elizabeth Huiwen Tham Bee-Wah Lee Source Type: research
Effects of antioxidant supplements and nutrients on patients with asthma and allergies
Asthma and allergic diseases have become a worldwide public health concern because of their increased prevalence. Despite decades of research on risk factors, the causes of these disorders are poorly understood. They are thought to develop through complex interactions between genetic and environmental factors. Because pulmonary and systemic oxidative stress increase inflammatory responses relevant to asthma and allergy, dietary or vitamin supplementation with antioxidants (a broad and varied category) has been proposed as an approach to reducing asthma incidence or morbidity. Meta-analyses of observational epidemiologic st...
Source: Journal of Allergy and Clinical Immunology - April 28, 2014 Category: Allergy & Immunology Authors: Hortensia Moreno-Macias, Isabelle Romieu Tags: Clinical reviews in allergy and immunology Source Type: research
Vitamin D and food allergy in patients with severe atopic dermatitis
Recently, we read with great interest an article in the Journal by Allen et al that provided the first direct evidence that vitamin D sufficiency might be an important protective factor for food allergy (FA) in the first year of life. The authors showed that infants with vitamin D insufficiency and born to Australian-born parents were most likely to have FA confirmed by food challenge. Infants born to vitamin D–insufficient parents were 3 times more likely to have egg allergy and 11 times more likely to have peanut allergy. Furthermore, food-sensitive infants with vitamin D insufficiency were 6 times more likely to have...
Source: Journal of Allergy and Clinical Immunology - August 19, 2013 Category: Allergy & Immunology Authors: Maaz S. Mohiuddin, Douglas Curran-Everett, Donald Y.M. Leung Tags: Correspondence Source Type: research
The Effects of Vitamin D on Allergen-Induced Expression of Interleukin-13 and Interleukin-17 in Cord Blood CD4+T Cells.
The objective of our study was to investigate the effects of 1,25-(OH)2D3 on allergen-stimulated expression of asthma related cytokines in cord blood T cells. Cord blood samples were collected from the umblilical vein of 24 term deliveries during labor, CD4+T cells derived from cord blood mononuclear cells (CBMCs), were cultured for 72 hours with ovalbumin (OVA), β-lactoglobulin (β-LG), respectively, in presence or absence of 1,25-(OH)2D3 to detect the levels of interleukin-13 (IL-13) and interleukin-17 (IL-17) in culture supernatants and the mRNA expressions in CD4+T cells. After allergens stimulation, CD4+T cells showe...
Source: Iranian Journal of Allergy, Asthma and Immunology - December 19, 2013 Category: Allergy & Immunology Authors: Zhong H, Zhou XJ, Hong JG Tags: Iran J Allergy Asthma Immunol Source Type: research
Increased vitamin D levels at birth and in early infancy increase offspring allergy risk—evidence for involvement of epigenetic mechanisms
Although a beneficial effect of vitamin D on health is widely accepted, its role in allergy development has been controversial. Both allergy-preventing and allergy-promoting effects have been reported. Thus, a deeper mechanistic understanding of how vitamin D is related to the regulation of immune reactivity and allergic inflammation is required. Vitamin D was shown to modify gene expression1 through binding of the vitamin D receptor to vitamin D response elements. However, only 26% of the genes identified as regulated by vitamin D have a vitamin D response element in proximity to their transcription start site (TSS),1 ind...
Source: Journal of Allergy and Clinical Immunology - August 15, 2015 Category: Allergy & Immunology Authors: Kristin M. Junge, Tobias Bauer, Stefanie Geissler, Frank Hirche, Loreen Thürmann, Mario Bauer, Saskia Trump, Matthias Bieg, Dieter Weichenhan, Lei Gu, Jan-Philipp Mallm, Naveed Ishaque, Oliver Mücke, Stefan Röder, Gunda Herberth, Ulrike Diez, Michael B Tags: Letter to the Editor Source Type: research
Regional differences in vitamin D levels and incidence of food-induced anaphylaxis in South Korea.
CONCLUSION: The present study found a higher incidence of FIA in regions with lower vitamin D levels in the population. Further investigation is necessary to identify any direct associations between vitamin D and food allergy/anaphylaxis.
PMID: 26803537 [PubMed - as supplied by publisher]
Source: Annals of Allergy, Asthma and Immunology - January 21, 2016 Category: Allergy & Immunology Authors: Kim SH, Ban GY, Park HS, Kim SC, Ye YM Tags: Ann Allergy Asthma Immunol Source Type: research
Prevention of food and airway allergy: consensus of the Italian Society of Preventive and Social Paediatrics, the Italian Society of Paediatric Allergy and Immunology, and Italian Society of Pediatrics
ConclusionsThe recommendations of the Consensus are based on a careful analysis of the evidence available.The lack of evidence of efficacy does not necessarily imply that some interventions may not be effective, but currently they can ’t be recommended.
Source: World Allergy Organization Journal - August 17, 2016 Category: Allergy & Immunology Source Type: research
Primary Prevention of Food Allergy
This article summarises recent developments on the prevention of food allergy in terms of the 5 D ’s of the development of food allergy: dry skin, diet, dogs, dribble, and vitamin D.Recent FindingsWhile several advances have improved our understanding of the development of food allergy, few preventive strategies have been implemented beyond changes in infant feeding guidelines. These now state that the introduction of allergenic solids such as peanuts should occur in the first year of life.SummaryResults from randomised controlled trials on other allergenic solids, vitamin D supplementation, BCG immunisation at birth and...
Source: Current Allergy and Asthma Reports - June 20, 2017 Category: Allergy & Immunology Source Type: research
