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  • Title: [The role and regulation of EVI1 in normal hematopoiesis and hematopoietic malignancies].
    Author: Masamoto Y.
    Journal: Rinsho Ketsueki; 2024; 65(9):954-960. PubMed ID: 39358295.
    Abstract:
    EVI1 is a zinc finger transcription factor encoded by the MECOM locus and is essential for the development and maintenance of hematopoietic stem cells. However, overexpression of EVI1 in various myeloid malignancies is associated with aggressive clinical behavior and poor outcome. The locus encodes multiple isoforms that are differentially acting and independently regulated. EVI1 interacts with a variety of transcription and epigenetic factors via different domains. It also regulates cell survival, differentiation, and proliferation through a variety of mechanisms, including transcriptional activation and repression, regulation of other transcription factors' activity, and chromatin remodeling. While the mechanism by which 3q26 translocation leads to high EVI1 expression through enhancer hijacking of genes active in myeloid development is now better understood, regulation of EVI1 expression in the absence of chromosomal translocations and in normal hematopoiesis remains unclear. Recent studies have provided insight into the regulatory mechanisms of EVI1 expression and action, which may lead to development of targeted therapies in the near future.
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