The role of the microphthalmia transcription factor family in macrophage differentiation.

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Macrophages are large white blood cells that are also found in all the tissues of the body. They are a major part of the front line defence against infection and malignancy, but they also cause much of the pathology of many diseases particularly those in which there is chronic inflammation. Macrophages, like all the cells of the blood, are produced from the bone marrow. In the process of macrophage production a suite of genes must be switched on so that the mature macrophage can carry out its functions. This project aims to understand the process of selective gene expression in macrophages. It is based upon the identification of four members of a gene family, called the microphthalmia gene family, as candidate master genes that control the overall process of macrophage production. We seek to understand how the products of genes interact.