BACKGROUND Cobalt has been shown to induce mainly asthma, allergic contact dermatitis and hard metal disease. The data on cobalt asthma are mainly based on case reports. AIMS To characterize all the cases of occupational cobalt asthma encountered in a cobalt plant at the time of diagnosis and 6 months later. We also evaluated the incidence of cobalt asthma in different departments on the basi...

many patients with atopic eczema (ae) would “march” to develop allergic rhinitis (ar) and asthma. physicians, patients and their families often do not appreciate the significance of these diseases as co-morbidities of atopy. the aim of this study was to evaluate the prevalence and severity of airway atopies in patients with ae. ar and asthma severity were assessed in consecutive ae patients see...

background: asthma, allergic rhinitis and eczema as a common disorder in childhood, has many epidemiologic variations in different geographic areas. this study aimed at determining the prevalence of pediatric allergic disease in rural area of babol. methods: this analytical-cross sectional study was performed in 2012 by random sampling on 2 groups of children the first group aged 6-7 years (n=1...

in recent decades, clinicians and scientists have witnessed a significant increase in the prevalence of allergic rhinitis and asthma. the factors underlying this phenomenon are clearly complex; however, this rapid increase in the burden of atopic disease has occurred in parallel with rapid industrialization and urbanization in many parts of the world. consequently, more people are exposed to ai...

Food allergy is a potentially severe immune response to a food or food additive. Although a majority of children will outgrow their food allergies, some may have lifelong issues. Food allergies and other atopic conditions, such as asthma, are increasing in prevalence in Western countries. As such, it is not uncommon to note the co-existence of food allergy and asthma in the same patient. As par...

The inflammatory cytokine interleukin (IL)-17 is involved in the pathogenesis of allergic diseases. However, the identity and functions of IL-17-producing T cells during the pathogenesis of allergic diseases remain unclear. Here, we report a novel subset of T(H)2 memory/effector cells that coexpress the transcription factors GATA3 and RORγt and coproduce T(H)17 and T(H)2 cytokines. Classical T(...

Allergic asthma is the most common form of asthma, affecting more than 10 million Americans. Although it is clear that mast cells have a key role in the pathogenesis of allergic asthma, the mechanisms by which they regulate airway narrowing in vivo remain to be elucidated. Here we report that mice lacking αvβ6 integrin are protected from exaggerated airway narrowing in a model of allergic asthm...

the clinical behavior of asthma varies with age at onset. this study was undertaken to identify associated markers of adult-onset allergic asthma (age ≥20 years).this cross-sectional study compared two groups: 58 patients with asthma onset at <20 years and 66 with onset at ≥20 years. they were compared depending on results of clinical history, and body mass index (bmi), aeroallergen sensitizati...

Background: Because of geographic variation and regional types of allergens, it is recommended that allergists identify common allergens in their area of activity. In the present study, the prevalence of respiratory allergens in patients with asthma and allergic rhinitis was investigated. Methods: This study is descriptive and retrospective. The required data of this study were extracted from ...