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  • 1
    Electronic Resource
    Electronic Resource
    IgE antibodies to Pityrosporum orbiculare and Staphylococcus aureus in patients with very high serum total IgE (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 22 (1992), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Serum IgE antibodies were detected with the radioallergosorbent test (RAST) to a panel of allergens which included Pityrosporum orbiculare, Candida albicans, Trichophyton rubrum, Cladosporium herbarum, Staphylococcus aureus, animal dander, deciduous tree pollens, grass pollens and foods in 81 consecutive patients with total IgE ≥ 3000 kU/1. Data on atopic and infectious disease characteristics were collected by a questionnaire. IgE antibody concentrations to P. orbiculare were significantly higher than to the other fungi and of the same magnitude as those to animal danders and pollens. High levels of P. orbiculare IgE antibodies were associated with current eczema, especially when it was the only atopic manifestation and demanding specialist care. IgE antibodies to P. orbiculare had the best explanatory value for current eczema in logistic regression analysis. Head-neck-face dermatitis was also associated with high levels of specific IgE to the yeast. IgE antibodies to S. aureus were detected in few patients and at low concentrations. Six patients had a history of systemic staphylococcal infections and presented a clinical picture, which was very similar to the hyperimmunoglobulinaemia E syndrome. Among the six were the two cases with the highest levels of IgE antibodies to S. aureus. The demonstration of high levels of IgE antibodies to P. orbiculare, which is a major part of human normal skin microflora, suggests that allergy to this yeast plays an important pathogenic role in eczema.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1992.tb02815.x
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  • 2
    Electronic Resource
    Electronic Resource
    Bee keepers' IgG and IgE antibody responses to bee venom studied by means of crossed radioimmunoelectrophoresis (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 14 (1984), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The immune response to honey bee venom in thirty-seven bee keepers' sera was studied by several methods. Specific IgE antibody levels studied by RAST were generally low, whereas specific IgG antibody levels studied by a Sepharose protein A technique were high. Crossed radioimmunoelectrophoresis was applied for a detailed analysis of the antibody specificities towards the different components of venom in seventeen of the bee keepers' sera. Significant amounts of IgG antibodies were found towards most bee-venom components. The highest IgG response was directed towards phospholipase A. Hyaluronidase, acid phosphatase and two uncharacterized antigens also showed distinct IgG binding. The IgG binding to melittin was low. The IgE binding to the bee venom components was low and primarily directed to the phospholipase. IgE binding to hyaluronidase and acid phosphatase occurred, but was also in very small amounts. One bee-keeper serum caused heavy radiostaining to melittin but the others did not show IgE binding to this component.Thus a low IgE but a high IgG response was demonstrated in bee keepers. The major immunogen was phospholipase A. which is known to be the major allergen in bee venom. Generally, the strongest IgG responses were found to the components capable of inducing the strongest IgE responses.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1984.tb02214.x
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  • 3
    Electronic Resource
    Electronic Resource
    Direct and indirect exposure to pets – risk of sensitization and asthma at 4 years in a birth cohort (2003)
    Oxford, UK : Blackwell Science Ltd
    Clinical & experimental allergy 33 (2003), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Introduction There are conflicting data on the association between early exposure to pets and allergic diseases. Bias related to retrospective information on pet ownership has been addressed as a reason for distorted study results.Objective To elucidate how early exposure to cat and dog relates to IgE-sensitization and asthma in children at 2 and 4 years of age, in a prospective birth-cohort study.Methods Four thousand and eighty-nine families with children born 1994–1996 in predefined areas of Stockholm answered questionnaires on environmental factors and symptoms of allergic disease at birth, one, two and four years of age. Dust samples collected from the mothers' beds at birth were analysed for Fel d 1 and Can f 1 in a subgroup of the cohort. Blood samples taken at four years from 2614 children were analysed for allergen-specific IgE to common airborne allergens. Risk associations were calculated with a multiple logistic regression model, with adjustment for potential confounders.Results A correlation was seen between allergen levels and reported exposure to cat and dog. Exposure to cat seemed to increase the risk of cat sensitization, OR (odds ratio) 1.44 (95% confidence interval 1.03–2.01), whereas dog exposure did not have any effect on dog sensitization, OR 1.16 (0.79–1.72). Dog ownership was related to a reduced risk of sensitization to other airborne allergens, OR 0.36 (0.15–0.83), and a similar tendency was seen for cat ownership OR 0.63 (0.37–1.07). Early dog ownership seemed to be associated with a lower risk of asthma, OR 0.50 (0.24–1.03), with no corresponding effect after cat ownership, OR 0.88 (0.56–1.38).Conclusion Early exposure to cat seems to increase the risk of sensitization to cat but not of asthma at 4 years of age. Dog ownership, on the other hand, appears to be associated with lowered risk of sensitization to airborne allergens and asthma. Both aetiological relationships and selection effects have to be considered in the interpretation of these findings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2222.2003.01764.x
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  • 4
    Electronic Resource
    Electronic Resource
    Environmental risk factors for allergy and socioeconomic status in a birth cohort (BAMSE) (2002)
    Copenhagen, Denmark : Munksgaard International Publishers
    Pediatric allergy and immunology 13 (2002), S. 0 
    Details
    ISSN: 1399-3038
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Associations between parental educational level and possible risk factors for atopic disease during the first months of life were explored in a cohort of 4089 neonate children born 1994–96 in Stockholm, Sweden. Reports concerning a number of life style factors during pregnancy and after the baby was born were obtained by questionnaire. There was a strong negative association between duration of education and maternal smoking during pregnancy, parental smoking after the baby was born and keeping of cat and dog (p-trend 〈 0.001), respectively. For example, smoking during pregnancy was reported by 6.7% (95% CI 5.5–7.9) of mothers with college or university degree and by 22.2% (95% CI 20.1–24.5) of those with the shortest education. Indicators of dampness and poor ventilation were also more common in homes of those with the shortest education. The results show that the educational level has an influence on risk factors for development of atopic disease in childhood and indicates a need of deeper understanding of life style in different socioeconomic groups. The data also indicate that various possible confounding factors need to be thoroughly investigated when analysing studies of risk factors for allergic disease in childhood.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1399-3038.2002.01055.x
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  • 5
    Electronic Resource
    Electronic Resource
    Fungal allergy in children (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Pediatric allergy and immunology 1 (1990), S. 0 
    Details
    ISSN: 1399-3038
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: One hundred and thirty-nine children (85 hoys) from a paediatric allergy clinic were included in a study which aimed to relate disease traits of fungal allergy to measured serum IgE antibodies to fungi. A structured case history was recorded and the children were subject to a panel of skin prick tests which included common inhalant allergens and two fungi, Cladosporium herbarum and Alternoria alternata. Serum IgE antibodies to 16 different fungi were assayed by RAST using the Pharmacia extended panel. Forty-seven of the children were positive to fungal RAST and many of them were positive to multiple fungi. C. herbarum gave the highest frequency of positive results. The best combination of three fungi for detecting fungal sensitization was C. Herbarum, Penicillium notatum and Mucor racemosus. Skin prick test (SPT) failed to uncover fungal sensitization in many children with broad RAST sensitivity. Children with RAST positivity to fungi generally had more severe asthma and more frequently recognised summer and autumn to be a difficult period compared with children without such positivity. In stepwise regression analysis, positive SPT for cat had the best explanatory value for asthma and positive C. herbarum RAST the second best. Children with fungal RAST positivities were not over-represented among cases with allergic rhino-conjunctivitis but there was a strong association to eczema. The latter is possibly explained by concomitant sensitization to fungi colonizing the human skin. It is suggested that the identification of fungal allergy in asthmatic children will help ensure that proper anti-inflammatory treatment is instituted during peak spore periods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3038.1990.tb00013.x
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  • 6
    Electronic Resource
    Electronic Resource
    Risk factors in early childhood for sensitization to airborne allergens (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Pediatric allergy and immunology 3 (1992), S. 0 
    Details
    ISSN: 1399-3038
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: To examine the association between environmental exposure during the first two years of life and development of atopic disease later in child-hood, 115 children sensitized to airborne allergens and 54 non allergic controls were investigated. Fifty-seven of the atopic children were skin prick test (SPT) positive to house dust mites (HDM). Information on exposure was obtained from questionnaires. Parental allergy was a more important risk factor for development of atopy than any of the environmental risk factors. Exposure during the 2 first yr of life to environmental tobacco smoke (ETS) and home dampness was more frequently found among the HDM-sensitized children than among the controls (OR = 2. 8, CI 1. 0-7. 3 and OR = 4. 6, CI 1. 4-15. 0 respectively). A combination of these two factors seemed to be particularly harmful (OR = 8. 7, CI 2. 3-33. 1). Similar but less pronounced effects were seen for children with other allergies. Later in life exposure both to dampness and ETS was of the same magnitude in the atopic children as in the controls. It appears that exposure to environmental factors during the first few years of life may trigger for development of atopic disease and that interactions may be of particular importance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3038.1992.tb00036.x
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  • 7
    Electronic Resource
    Electronic Resource
    Specific IgE and IgG antibody responses in children to timothy pollen components during immunotherapy (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 44 (1989), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Fourteen children with timothy grass pollinosis were given immunotherapy (IT) for 3 years with a purified and characterized timothy grass pollen preparation or a crude aqueous timothy pollen extract. Crossed radioimmunoelectrophoresis (CRIE) showed that 75% of the children under 11 years of age developed new specificities of IgE antibodies against timothy antigens, in contrast to older children, where no development of IgE antibodies against new timothy antigens could be detected. IgE antibodies were only detected against antigens formerly known as allergens. Timothy-specific IgG antibodies increased in most children during hyposensitization against the major allergens Ag 19 and Ag 24/25 and several other IgE-binding timothy antigens.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1989.tb04168.x
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  • 8
    Electronic Resource
    Electronic Resource
    Determination of Specific IgG Antibody by Crossed Radioimmunoelectrophoresis (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 38 (1983), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A crossed radioimmunoelectrophoretic method was developed for detection of honey bee venom specific IgG antibodies in patient sera. At the serum concentration 1/200 the contrast between specific binding and background was the most favourable. The detection limit was fairly low, approximately 30 kU/1 (IgG RAST units). A reference system based on the reference kits in Phadebas IgG-RAST® was elaborated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1983.tb01604.x
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  • 9
    Electronic Resource
    Electronic Resource
    Characterization of the Mouse and Rat IgE Antibody Responses to Timothy Pollen by Means of Crossed Radioimmunoelectrophoresis (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 37 (1982), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The IgE antibody responses to timothy pollen allergens in one rat strain and five mouse strains were investigated by means of crossed radioimmunoelectrophoresis. The rodent strains were selected for their capacity to respond with IgE antibody production. When sensitized parenterally with the antigen mixed in alum, the animals produced IgE antibodies to essentially the same antigens in timothy pollen as timothy sensitive patients have been shown to do. Thus, the allergenicity of the complex mixture of antigens in a timothy extract is similarly expressed in animals immunized parenterally with alum as in patients sensitized by inhalation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1982.tb01908.x
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  • 10
    Electronic Resource
    Electronic Resource
    Exhaled nitric oxide in a population-based study of asthma and allergy in schoolchildren (2005)
    Oxford, UK : Munksgaard International Publishers
    Allergy 60 (2005), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Exhaled nitric oxide (NO) reflects inflammation in the lower airways and is well adapted for use in children. The aims of this study were to investigate the distribution of the fraction of expired NO (FENO) in school children and to compare FENO and spirometry in relation to the International Study of Asthma and Allergies in Childhood questionnaire. The study was performed in 959 randomly selected 13–14-year-old school children in Uppsala, Sweden. Exhaled NO was measured at an inhalation rate of 0.1 l/s (FENO0.1) and a spirometric test was performed and data from these measurements were related to questionnaire data. Exhaled NO was measured according to American Thoracic Society recommendations, except the use of a mouth wash and an exhalation flow rate of 0.1 l/s. The distribution of the mean FENO0.1 values was skewed, with a preponderance of very low levels and a widespread tail of values ranging up to 102 parts per billion (ppb). Boys exhibited significantly higher mean FENO0.1 values than girls, 5.2 (4.7–5.7) vs 4.4 (4.0–4.8) ppb (geometric mean and 95% CI), P 〈 0.01). Children who reported wheezing in the last year had higher FENO0.1 values than children that had not, 8.5 (7.1–10.2) vs 4.3 (4.0–4.6) ppb, P 〈 0.001). The same association was found to most symptoms indicating hay fever and eczema. In contrast to this, only weak or inconsistent associations were found between asthma and spirometric indices. Exhaled NO levels were found to be independently related to male gender, wheeze and rhinoconjuctivitis but not to current eczema. In conclusion, exhaled NO was closely associated with reported asthma and allergy symptoms whereas spirometric indices such as percent predicted forced expiratory volume in 1 s were not. As most asthma cases in a population are mild, the findings suggest that exhaled NO is a sensitive marker of asthma and allergy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.2005.00735.x
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