[Mechanisms of regulation of immunoglobulin E synthesis]. 
The recent data on the mechanisms of the regulation of IgE synthesis in man and homocytotropic IgE-Ab in animals are reviewed.  The role of cellular and humoral antigen-specific and nonspecific factors in their synthesis, the significance of different immunomodulating factors (x-ray exposure, injection of immunomodulators, changes in erythropoiesis and so forth) in the synthesis of IgE-Ab are analyzed.