IgE provides protective immunity against helminths, but is also involved in the pathogenesis of allergic diseases. In this Review, Wu and Zarrin discuss recent studies using different IgE reporter mice, as well as other genetically modified mice, that have provided new insights on the cells and pathways involved in the production and regulation of IgE, and highlight the areas in need of additional studies.
- Lawren C. Wu
- Ali A. Zarrin
