Seasonal Changes in IgE Antibodies and Their Relationship to IgG Antibodies during Immunotherapy for Ragweed Hay Fever

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Abstract

Seasonal changes in IgE antibodies and their relationship to IgG antibodies were studied in 52 patients with ragweed hay fever and 10 normal controls. Allergic patients received either no immunotherapy, preseasonal immunotherapy, or high dose perennial immunotherapy with aqueous-mixed ragweed extract. Serums were collected before, during, just after, and 4 mo after the ragweed pollination season. IgE antibodies to ragweed antigen E (AgE) were measured using the radioallergosorbent test, and IgG antibodies were measured by radioimmunoprecipitation.

Authors

John W. Yunginger, Gerald J. Gleich