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T-lymphocyte subpopulations in children's atopic asthma

A group of children with atopic asthma (42) and the control group of normal children (30) were examined in order to determine the level of suppressor and helper T lymphocyte subpopulations in each group by using monoclonal antibodies. The asthmatic children were divided into two subgroups: one group received no therapy (30) and the other was treated with specific hyposensitization (12). Suppressor T lymphocytes were significantly lower in the subgroup of non-treated asthmatic children (p less than 0.01) and significantly higher (p less than 0.01) in the subgroup of children treated with immunotherapy. The stimulation index using mitogens was higher in the group of asthmatic children. The results suggest that the reduction and functional damage of suppressor T lymphocytes may have an influence on the pathogenesis of asthma and that immunotherapy may be beneficial in the treatment of atopic asthma in children.

T-lymphocytes; subpopulations; immunofluorescence; lymphocyte proliferation; RIST; RAST; asthma; atopic; humans; child

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