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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 15 (1988), S. 0 
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: We report here haplotype frequencies for class I (HLA-A, B), class III (HLA-DR) and class III (Bf) gene products of the major histocompatibility complex (MHC) of man. As in other studies (Bertrams & Baur, 1979; Grange et al., 1981), we have chosen to document all families typed for HLA antigens and Bf phenotypes irrespective of ascertainment. We obtained 1,094 haplotypes from 304 families resident in the North West of England, of which 34·1% had been fully typed for HLA-A,B,DR and Bf polymorphisms. We have been able to find both positive and negative linkage disequilibria for two and three locus haplotypes and have listed the most commonly occuring four locus haplotypes. Our data confirms the position of the complement group between HLA-B and HLA-DR, and we have looked for evidence of segregation distortion of MHC haplotypes.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: No HLA allele or specificity was significantly different in frequency between a group of 150 cervical cancer patients from north-west England and controls (corrected P values). HLA-DRB 1*1501/DQB 1*0602 was non-significantly increased, particularly among patients with HPV16-positive tumours. HLA-B7-positive patients had a significantly poorer clinical outcome than HLA-B7-negative patients. A significant component of the genotypic effect is down-regulation of HLA-B7 expression by the tumour cells.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0428
    Keywords: Type 1 diabetes ; nephropathy ; risk factors ; HLA antigens
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This study of risk factors for diabetic nephropathy in juvenile Type 1 (insulin-dependent) diabetes mellitus compares two carefully characterised groups of patients, one with proteinuria (n = 23), the other a control group (n = 24) with no evidence of nephropathy despite more than 25 years of diabetic life. No significant difference was observed between the groups in any HLA-A, -B or -DR antigen or Bf allotype. DR3 was present in 87% of patients with proteinuria and 75% of the diabetic control group; DR4 was present in 48% of patients with proteinuria and 63% of diabetic controls; BfFl was present in 17% of patients with nephropathy and 9% of the diabetic control group. Compared with the control group, patients with proteinuria had significantly higher mean diabetic-clinic blood glucose concentrations before the diagnosis of microvascular disease, a significantly earlier age at diagnosis of diabetes, and had more often been treated with once-daily as opposed to twice-daily insulin regimens. Susceptibility to nephropathy in Type 1 diabetes appears to be determined by the quality of metabolic control and age of onset of diabetes; although the number of subjects studied was relatively small no evidence was found of any influence of HLA or Bf phenotype.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Cancer immunology immunotherapy 16 (1983), S. 117-122 
    ISSN: 1432-0851
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We describe an acute myelomonocytic leukaemia (E72) devoid of cell-surface HLA-DR antigens, but capable of inducing cellular responses. Leukaemia E72 induced proliferation of normal lymphocytes in primary mixed lymphocyte culture (MLC), which was only weakly inhibited by anti-DR sera. Depletion of a small percentage (≃4%) of DR+ cells on a cell-sorter failed to abrogate the capacity of E72 to stimulate MLC and cell-mediated cytotoxicity (CMC) responses. We found that normal lymphocytes primed with E72 responded in secondary MLC to lymphocytes and leukaemias, suggesting that the lymphocyte-activating determinant (LAD) on E72 is not leukaemia-specific. In addition, E72 induced CMC responses to both leukaemias and lymphocytes. We suggest that E72 may express a novel HLA or non-HLA LAD.
    Type of Medium: Electronic Resource
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