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  • 1
    ISSN: 1432-0428
    Keywords: Keywords Cow's milk protein antibodies ; infant feeding ; dairy products ; human leucocyte antigens ; IDDM ; children.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Dietary factors are suspected to play an aetiological role in the development of insulin-dependent diabetes mellitus (IDDM). We analysed cow's milk formula, betalactoglobulin, and bovine serum albumin antibodies by an enzyme-linked immunoassay in unselected children with newly diagnosed IDDM and in their non-diabetic siblings and enquired about infant feeding practices by questionnaire. Among 410 diabetic sibling pairs matched for age and sex, by logistic regression analysis – including overall duration of breast-feeding, age at introduction of dairy products, recent consumption of cow's milk and HLA-DQB1 genotype (“high/moderate” vs “low/decreased” risk of IDDM) – bovine serum albumin IgG antibody levels (OR 2.12, 95 %CI 1.25–3.57) and genetic risk (OR 3.81, 95 %CI 2.43–5.17) were positively associated with IDDM; cow's milk formula IgM antibodies were inversely associated with the risk of IDDM (OR 0.50, 95 %CI 0.29–0.87). Of the diabetic sibling pairs, 42 were identical for HLA-DQB1 alleles associated with IDDM risk or protection (DQB1*0201, *0301, *0302 and *0602/03). In these 42 pairs, children with IDDM had higher median levels of bovine serum albumin IgG, of betalactoglobulin IgG, and of cow's milk formula IgG and IgA antibodies than the non-diabetic siblings (p 〈 0.05). In conclusion, children with IDDM have higher levels of cow's milk protein antibodies than their HLA-DQB1-matched sibling controls, and these high levels of antibodies are independent risk markers for IDDM. [Diabetologia (1998) 41: 72–78]
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1076
    Keywords: β-Lactoglobulin antibodies ; Bovine serum albumin antibodies ; Cow's milk antibodies Hungary ; IDDM
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We investigated the association between serum antibodies to cow's milk proteins and insulin-dependent diabetes mellitus (IDDM) in Hungarian children. Forty-eight children 1.0–17.1 years of age with newly diagnosed IDDM and 74 control children 1.0–16.0 years of age were studied for serum IgG, IgA and IgM antibodies to cow's milk, β-lac-ctoglobulin, bovine serum albumin and ovalbumin by enzyme-linked immunosorbent assays. The specificity of IgM antibodies to β-lactoglobulin and bovine serum albumin was controlled by Western blot. The levels of IgG and IgA antibodies to cow's milk proteins were similar in children with and without IDDM, with the exception of slightly increased levels of IgA antibodies to β-lactoglobulin in diabetic children (P = 0.05). The levels of IgM antibodies to cow's milk were significantly higher in IDDM patients than in control children (P = 0.0002). Children with IDDM more often had IgM antibodies to β-lactoglobulin (46.3% vs 18.8%;P = 0.002) and bovine serum albumin (87.8% vs 49.3%,P 〈 0.0001) than control children. Neither the levels of IgG or IgA antibodies to ovalbumin nor the frequency of IgM antibodies to ovalbumin differed between diabetic and control children.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1076
    Keywords: Key wordsβ-Lactoglobulin ; antibodies ; Bovine serum albumin ; antibodies ; Cow’s milk antibodies ; Hungary ; IDDM
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We investigated the association between serum antibodies to cow’s milk proteins and insulin-dependent diabetes mellitus (IDDM) in Hungarian children. Forty-eight children 1.0–17.1 years of age with newly diagnosed IDDM and 74 control children 1.0–16.0 years of age were studied for serum IgG, IgA and IgM antibodies to cow’s milk, β-lactoglobulin, bovine serum albumin and ovalbumin by enzyme-linked immunosorbent assays. The specificity of IgM antibodies to β-lactoglobulin and bovine serum albumin was controlled by Western blot. The levels of IgG and IgA antibodies to cow’s milk proteins were similar in children with and without IDDM, with the exception of slightly increased levels of IgA antibodies to β-lactoglobulin in diabetic children (P = 0.05). The levels of IgM antibodies to cow’s milk were significantly higher in IDDM patients than in control children (P = 0.0002). Children with IDDM more often had IgM antibodies to β-lactoglobulin (46.3% vs 18.8%; P = 0.002) and bovine serum albumin (87.8% vs 49.3%, P 〈 0.0001) than control children. Neither the levels of IgG or IgA antibodies to ovalbumin nor the frequency of IgM antibodies to ovalbumin differed between diabetic and control children. Conclusion In Hungarian children, clinical manifestation of IDDM is often associated with IgM antibody response to cow’s milk protein and its fractions, β-lactoglobulin and bovine serum albumin, indicating a loss of immunological tolerance to these proteins. IgG and IgA antibodies to cow’s milk proteins, associated with an early introduction of cow’s milk in diet, seem to play a minor role in the development of childhood IDDM in Hungary.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 157 (1998), S. 816-820 
    ISSN: 1432-1076
    Keywords: Key words Cartilage-hair hypoplasia ; Metaphyseal chondrodysplasia ; Cellular immunity ; Immunodeficiency ; Infections
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Cartilage-hair hypoplasia (CHH), an autosomal recessive chondrodysplasia, results in severe growth failure, sparse hair and impaired cellular immunity. Lymphocyte subpopulations and proliferative responsiveness in mitogen stimulation were analysed in 35 patients of whom 31% had an increased incidence of infections the year prior to the evaluation. Of the patients, 57% had a decreased CD4+ cell count which led to a decreased total count of T-lymphocytes in 52% and a subnormal CD4+/CD8+ cell ratio in 32%. The B-lymphocyte count was usually normal. The natural killer cell count was above reference values in 40% of the patients. The lymphocyte stimulation indices as studied with phytohaemagglutinin , Concanavalin A and pokeweed mitogen were subnormal in 69%, 69% and 83% of the patients, respectively. The numbers of lymphocytes, T-lymphocytes and CD4+ cells, and the pokeweed mitogen stimulation index, but not the other measured parameters, correlated significantly with the proness to infections during the preceding year. However, the correlation was reverse with higher counts in the patients who had had recurring infections. The observed significant correlations may reflect immunological stimuli caused by recurring infections. Conclusion The presently used parameters of cellular immunity poorly predict the clinical outcome of an individual cartilage-hair hypoplasia patient. All patients, irrespective of their in vitro immunological competence, have to be carefully followed because of possibility of serious infections and malignancies.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Because subclinical coeliac disease may decrease fertility or complicate pregnancy, we screened women with recurrent miscarriage of unknown aetiology (n= 63), unexplained infertility (n= 47) and infertility with a known cause (n= 82), for anti-endomysium antibodies in serum to find undiagnosed coeliac disease. One woman (1.6%) with recurrent miscarriage, another woman (2.1%) with unexplained infertility and one woman (2.0%) in the control group (n= 51), were considered to have coeliac disease. We could not demonstrate a higher frequency of coeliac disease in women with infertility or recurrent miscarriage, but suggest that undiagnosed coeliac disease is common in women.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 778 (1996), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Pediatric allergy and immunology 6 (1995), S. 0 
    ISSN: 1399-3038
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We have studied development of the levels of IgA cow's milk (CM) antibodies in the saliva, faeces and serum of 20 term and 20 preterm infants from birth to 8 months. All infants already had IgA in their saliva during the first week of life. The levels peaked at the age of one month, thereafter decreasing in both groups; from the age of three months levels remained stable. Term infants had higher levels than preterm infants, but no differences were found between breastfed and CM-fed infants. Breastfed infants had higher levels of IgA in their faeces than did CM-fed infants; the IgA levels were similar in breast-fed term and preterm infants, being highest at birth, and decreasing thereafter. We also showed rising titers of serum IgA CM antibodies, with higher levels in infants regularly exposed to CM than in breast-fed infants. We sought associations between the magnitude of intestinal permeability to human a-lactalbumin (ALA) measured at the ages of 4-7 days and one month and the levels of IgG antibodies to CM, but no such relation was found.;
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Scandinavian journal of immunology 43 (1996), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The change in activity of three disaccharidase enzymes (maltase, sucrase and lactase) was determined according to the method of Dahlqvist during acute rejection in non-immunosuppressed piglet small bowel grafts. In addition, two brush border enzymes, lactase and aminopeptidase, were stained with monoclonal antibodies. Diminishing disaccharidase activity was an early event during rejection. Diminution began 2 days before distinct morphological changes were seen in the mucosal biopsies. Evaluation of disaccharidase activity can thus be used as a confirmatory method in detecting rejection. Reduction in immunohistological staining of lactase and aminopeptidase with monoclonal antibodies and changes in mucosal morphology were observed to progress simultaneously.
    Type of Medium: Electronic Resource
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