title: Lymphocyte subpopulations in anaphylactoid purpura.
abstract: The immunoglobulins, complement components C3 and C4, lymphocyte subpopulations, and K-cell activity were studied in 13 children with anaphylactoid purpura and in 12 children of the same ages who acted as controls. The children with anaphylactoid purpura had significantly lower T-cell counts, greater K-cell activity and IgM values, and lower C3 levels than the controls.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003176:Complement C3 / Q000032:analysis; D005260:Female; D006801:Humans; D011695:IgA Vasculitis / Q000276:immunology*; D007075:Immunoglobulin M / Q000032:analysis; D007694:Killer Cells, Natural / Q000276:immunology; D007958:Leukocyte Count; D008214:Lymphocytes / Q000145:classification*; D008297:Male; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D003176:Complement C3; D007075:Immunoglobulin M