betula nana/hypersensitivity

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Clinical characterization and IgE profiling of birch (Betula verrucosa)--allergic individuals suffering from allergic reactions to raw fruits and vegetables.

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BACKGROUND Hypersensitivity to raw fruits and vegetables is often associated with respiratory allergy to birch (Betula verrucosa) pollen and is considered to be the most prevalent form of food allergy in adults sensitized to birch pollen. OBJECTIVE The aim of the study was to investigate the

Immediate contact allergy to birch leaves and sap.

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Fresh sap and crushed leaf of birch (Betula verrucosa) were tested with the scratch chamber method in 117 atopic persons, 74 of whom were allergic and 43 nonallergic to birch pollen, and in 33 control patients. Immediate positive reactions to birch sap were seen in 39% and to leaf in 28% of the

Immediate and late phase allergic cutaneous reactions are not inducers of unspecific or specific local hyperreactivity.

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The present study evaluates the possibility of allergen-induced unspecific and specific dermal hyperreactivity with special reference to the presence of late cutaneous reactions and allergen-induced nasal hyperreactivity. Twenty-six patients with strictly seasonal allergic rhinitis participated. All

Preseasonal intranasal immunotherapy in birch-alder allergic rhinitis. A double-blind study.

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A double-blind, placebo-controlled study was carried out to test the clinical efficacy and safety of local nasal immunotherapy (LNIT) in powder form. Twenty-two patients suffering from allergic rhinitis strictly associated with early spring symptoms, with positive skin prick tests and RAST for

Allergy in adolescent population (14-18 years) living in Campania region (Southern Italy). A multicenter study.

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UNASSIGNED Adolescents (Ad) constitute a difficult to manage population among individuals suffering from asthma. The aim of our study was to assess the prevalence, clinical characteristics and age of onset of allergic sensitization and clinical symptoms in a sample of atopic Ad living in the

[Epidemiology of allergies in Switzerland].

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The Swiss Study on Air Pollution and Lung Diseases in Adults (SAPALDIA) was carried out during 1991-1993 in eight Swiss areas with different environmental characteristics. The cross-sectional examination included 9651 adults, aged 18-60 years, who all participated in a detailed interview. In 8357

Dietary intervention for oral allergy syndrome as a treatment in orofacial granulomatosis: a new approach?

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BACKGROUND Orofacial granulomatosis (OFG) is a chronic granulomatous condition of the mouth, face and lips. Recent work demonstrates a high rate of atopy and silver birch sensitisation from skin prick testing (SPT). Oral allergy syndrome (OAS) is an acute oro-pharyngeal IgE mediated reaction,

[Molecular aspects of allergy to plant products. Part II. Pathogenesis-related proteins (PRs), apple allergenicity governed by Mal d 1 gene].

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Of the plant allergens listed in the Official Allergen Database of the International Union of Immunological Societies, approximately 25% belong to the group of pathogenesis-related proteins (PRs). They have been classified into 17 PR families based on similarities in their amino acid sequence,

Management of soya and peanut allergic patients taking oral isotretinoin

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We read with interest the report from Alden et al (1) but have some reservations regarding their conclusions, especially as their protocol was driven by the reaction of their index patient. The index case developed a reaction after taking isotretinoin however the cause of this reaction is not clear.

Oral allergy syndrome: the effect of astemizole.

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The effect of treatment with astemizole (Hismanal) on symptoms elicited by ingestion of hazelnuts in birch pollen-allergic patients (the oral allergy syndrome) was investigated. Thirty patients with a well-documented allergy to silver birch, experiencing symptoms when ingesting hazelnuts, were

Betula platyphylla attenuated mast cell-mediated allergic inflammation in vivo and in vitro.

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OBJECTIVE Betula platyphylla (B. platyphylla) has traditionally been used in Korea to treat inflammatory diseases. However, the exact mechanism that accounts for the anti-inflammatory effect of B. platyphylla is not completely understood. The aim of the present study is to elucidate whether and how

Common environmental allergens causing respiratory allergy in India.

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Respiratory allergy affects all age groups but the children are the worst affected by the respiratory allergy. Bioparticles from different biological sources are the main cause of allergy. Pollen grains, fungal spores, insect and other materials of biological origin form the most important allergen

Food hypersensitivity in patients with seasonal rhinitis in Ankara.

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BACKGROUND Food hypersensitivity (FH) affects 1-2 % of the adult population and is more common in atopic individuals. The aim of this study was to determine the frequency of FH and risk factors for its development in patients with seasonal rhinitis (SR) in our allergy clinic. METHODS We performed a

[A new rapid test for the detection of IgE antibodies in inhalation allergies].

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We compared the results of the Skin-Prick-Test, Phadezym-RAST and IgE-Quick, developed by QUIDEL, obtained from 75 patients suffering from an inhalant allergy and 25 controls. The IgE-Quick is a qualitative EIA dipstick test designed for the rapid visual detection of allergen-specific IgE. The

Inhalative occupational and ingestive immediate-type allergy caused by chicory (Cichorium intybus).

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We report a first case of occupational allergy to chicory (Cichorium intybus) in a vegetable wholesaler. Symptoms occurred after oral, cutaneous or inhalatory exposure. The patient also reported reactions after ingestion of botanically related endive (Cichorium endivia) and lettuce (Lactuca sativa).

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