Thymosin-inducible 'null' cells in atopic eczema. 1979

N A Byrom, and R C Staughton, and M A Campbell, and D M Timlin, and M Chooi, and A M Lane, and P W Copeman, and J R Hobbs

Thirty children with atopic eczema were compared with an equal number of age-matched healthy children. The mean peripheral blood T-lymphocyte level was lower in the eczema group (mean 1,197/mm2 as against 1,702/mm3; P = 0 . 003). This difference was abolished in vitro by thymosin, a thymic hormone extract. Positive correlations were found between eczema severity and: eosinophilia; hyperimmunoglobulinaemia E; but not T lymphopaenia. Thymosin-inducible T-cell (Ti) counts correlated with plasma IgE levels, suggesting that these Ti cells may be immature suppressor T cells. If this T-cell deficiency represents inadequate suppression of IgE responses, then a trial of treatment with thymosin appears to be warranted.

UI MeSH Term Description Entries
D007073 Immunoglobulin E An immunoglobulin associated with MAST CELLS. Overexpression has been associated with allergic hypersensitivity (HYPERSENSITIVITY, IMMEDIATE). IgE
D007223 Infant A child between 1 and 23 months of age. Infants
D008214 Lymphocytes White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS. Lymphoid Cells,Cell, Lymphoid,Cells, Lymphoid,Lymphocyte,Lymphoid Cell
D008231 Lymphopenia Reduction in the number of lymphocytes. Lymphocytopenia,Lymphocytopenias,Lymphopenias
D008297 Male Males
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D004485 Eczema A dermatitis characterized by a spongiotic tissue reaction pattern occurring as a reaction to many endogenous and exogenous agents. Dermatitis, Eczematous,Eczematous Dermatitis
D004802 Eosinophilia Abnormal increase of EOSINOPHILS in the blood, tissues or organs. Eosinophilia, Tropical,Hypereosinophilia,Tropical Eosinophilia,Hypereosinophilias,Tropical Eosinophilias

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