The role of MOZ in the development of the hematopoietic system, spleen and thymus

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Current treatment of leukaemia in adults is unsatisfactory with the majority of patients dying. In the past most treatments for cancer have been empirical, that is a particular drug has been found to be effective by trial and error rather than a process of rational design. In order to improve the rate at which effective treatments for leukaemia are found it is necessary to understand how hematopoiesis is regulated and what the critical points are where things can go wrong, leading to cancer. Some genes are commonly found to be mutated in leukaemia. Clearly these genes are involved in some key aspect of regulation of hematopoiesis. We are studying one of these genes, MOZ, which is mutated in acute myeloid leukaemia. The purpose of this grant is to determine what the normal function of this gene is. One of the most promising new treatments for leukaemia is directly targeting the regulation of gene expression inside the cell. MOZ is one of the proteins, which regulates gene expression in hematopoiesis and controls the differentiation of different types of blood cells. One of the possible effects of these new types of anticancer drugs is to accentuate the normal function of MOZ. However, at the moment we don't know what the normal function of MOZ is so it is impossible to test this prediction. If we know which pathways controlling blood formation MOZ is acting in it may be possible, in the future, to use this information to improve on the current anti cancer drugs in a more directed way than has been possible in the past.