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Soluble HLA class I antigens in serum of healthy individuals-population study

Gabriel Turowski, Anna Kędzierska

Med Sci Monit 2000; 6(1): EP123-128

ID: 508611

Variability of concentrations of s-HLA-I depending on allelic specificity substantiated realisation of research in population of 248 healthy, unrelated individuals. Defined phenotypes from tissue typing of polymorphic HLA complex enabled concentrations measurements of 1553 serum samples for HLA - A, B, and C loci determined antigens. Semi-quantitative technique of inhibition microcytotoxic reaction according to Tait et al. (1981) and Mclean et al. (1983) with usage of policlonal sera anti-HLA was applied. For most of numbers of the allelic specificity the concentration of antigen material in soluble form (s-HLA-I) in blood serum were nominally very high and high. For certain numbers of specificity e.g. HLA- A26, A29, B39, B52, B56, Cw5, Cw6 the percentage of sera, where the s-HLA concentrations were decreased was observed. The results were presented as mean values of inhibition microcytotoxic reaction - according to NIH classification. Authors point on usefulness of results for s-HLA comparative analysis of particular HLA allelic specificity, specific for certain diseases e.g. Cw7 for SNHL patients and B27 for ankylosing spongilitis.

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