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Members of the IFN regulatory factor (IRF) family regulate gene expression critical to immune response, hemopoiesis, and proliferation. Although related by homology at their N-terminal DNA-binding domain, they display individual functional properties. The distinct properties result from differences in regulated expression, response to activating signals,(More)
An apoptotic cellular defense mechanism is triggered in response to viral dsRNA generated during the course of infection by many DNA and RNA viruses. We demonstrate that apoptosis induced by dsRNA or a paramyxovirus is independent of the action of interferon as it can proceed in a variety of cell lines and primary cells deficient in an interferon response.(More)
There are two phenotypically distinct subpopulations of mast cells in rodents: connective tissue-type mast cells (CTMC) and mucosal mast cells (MMC). These populations differ in their location, cell size, staining characteristics, ultrastructure, mediator content and T-cell dependency. Several investigators recently reported a further subclass of mast cells(More)
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