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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 27 (1997), S. 0 
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective The aim of this study was to compare the IgE response to the most commonly farmed fur animals with that to domestic animals.Methods IgE-immunoblotting and RAST-inhibition analyses were performed using RAST-positive sera from fur workers sensitized to fur allergens and sera from patients sensitized to domestic animal allergens.Results The urine extracts of mink, blue fox, silver fox, racoon dog and fitchew contained more protein bands than the fur extracts did. Allergens with the same molecular weight were found in all of the fur and urine extracts. The most prominent allergenic bands had molecular weights of 62–67 kDa, 23–25 kDa and 18–19 kDa. With crossreacting sera the reciprocal RAST inhibition with all five animal extracts indicated common IgE-binding epitopes, probably common allergens (especially the 62–67 kDa bands). Urine and fur contain common allergens, since urine allergens strongly inhibited the IgE-binding to fur allergens. The IgE binding to allergenic bands of fur animal extracts was also observed in immunoblotting when dog and cat RAST-positive sera were used, but not for cow RAST- positive sera. RAST inhibition of dog-positive sera with fur animal extracts and fur-positive sera with dog extract confirmed the crossreactivity of these IgE antibodies. No such inhibition was seen with cow extract.Conclusion The results of the RAST inhibition and immunoblotting suggest that fur animals have IgE binding epitopes or allergens in common with cat and dog – possibly albumin but not with cow.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Hypersensitivity reactions to reindeer epithelial (RE) allergens have been recently demonstrated among reindeer herders. To determine the concentration of airborne RE antigens a method based on inhibition of the enzyme-linked immunosorbent assay (ELISA) was developed. Dust samples were collected in workshops were reindeer leather was processed and the workers had inhaled dry epithelial dust during their working shifts. Specific IgE to RE allergen could be detected in one of 5 workers. RE antigen concentrations varied from 0.01 μg to 3.9 μg/m3 in the air of the workshop. All workers except one claimed work-associated respiratory symptoms.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Crossed line immunoelectrophoresis (CLIE) was used to show that a minor allergen present in birch pollen and another present in timothy pollen shared common epitopes with antigens in apple, carrot and celery tuber. Major pollen allergens were not involved. Structural similarities were also noticed in some mugwort pollen antigens and antigens in apple, carrot and celery, but none of these mugwort antigens acted as an allergen. In crossed immunoelectrophoresis (CIE) of samples of apple, carrot or celery extracts towards antibodies against birch pollen, grass pollen or mugwort pollen, four to 14 distinct precipitates were observed and shown to be specific. In crossed radioimmunoelectrophoresis (CRIE) none of the precipitates could be shown to act as an allergen. Using allergen detection on nitrocellulose paper, the apple, carrot and celery extracts were shown to possess IgE-binding capacity.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 46 (1991), S. 0 
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Reindeer herding is a major source of living for more than 4200 inhabitants in northern Finland. To determine the prevalence of allergic symptoms among reindeer herders clinical examinations and skin prick tests (SPT) with nine inhalant allergens were performed in 211 randomly selected men from 21 to 69 (mean 45) years. Specific IgE antibodies to reindeer epithelium (RE) and total serum IgE were evaluated in 99 herders, five persons who handled reindeer leather indoors, 21 atopic patients with cow allergy and another 20 subjects with specific IgE to other inhalant allergens. Positive SPT to RE was detected in one and specific IgE by using enzyme allergosorbent test (EAST) (≥ 0.8 PRU/ml) in seven herders. Specific IgE to RE was also demonstrated in one control. Using RAST inhibition a patient with cow allergy did not show cross-reactivity between cow and RE while another patient did. Thus, RE should be included in the allergy test panel when hypersensitivity to RE is suspected.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Graefe's archive for clinical and experimental ophthalmology 223 (1985), S. 60-62 
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Tear histamine was measured in 14 patients with allergic conjunctivitis during a challenge test performed at a symptom-free point in time. The allergen challenge caused a rapid increase in the amount of tear histamine in only two-thirds of the patients, but there was a clinical reaction in all. The increase in the tear histamine content occurred in both the challenged and contralateral non-challenged eye, and the increase was also equally high in both. It is probable that the histamine release in the challenged eye takes place in the conjunctiva, whereas in the contralateral eye it is possibly induced by some sympathetic mechanism in the lacrimal gland.
    Type of Medium: Electronic Resource
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