The Hox cofactors Meis1 and Pbx act upstream of gata1 to regulate primitive hematopoiesis
نویسندگان
چکیده
منابع مشابه
PBX proteins: much more than Hox cofactors.
Pre-B cell leukaemia transcription factors (PBXs) were originally identified as Hox cofactors, acting within transcriptional regulation complexes to regulate genetic programs during development. Increasing amount of evidence revealed that PBX function is not restricted to a partnership with Hox or homeodomain proteins. Indeed, PBXs are expressed throughout murine embryonic development and are i...
متن کاملThe role of meis1 in primitive and definitive hematopoiesis during zebrafish development.
BACKGROUND The Meis1 protein represents an important cofactor for Hox and Pbx1 and is implicated in human and murine leukemias. Though much is known about the role of meis1 in leukemogenesis, its function in normal hematopoiesis remains largely unclear. Here we characterized the role of the proto-oncogene, meis1, during zebrafish primitive and definitive hematopoiesis. DESIGN AND METHODS Zebr...
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Targeting HOX/PBX dimers in cancer
The HOX and PBX gene families encode transcription factors that have key roles in establishing the identity of cells and tissues in early development. Over the last 20 years it has become apparent that they are also dysregulated in a wide range of solid and haematological malignancies and have a predominantly pro-oncogenic function. A key mode of transcriptional regulation by HOX and PBX protei...
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The transcription factor GATA1 coordinates timely activation and repression of megakaryocyte gene expression. Loss of GATA1 function results in excessive megakaryocyte proliferation and disordered terminal platelet maturation, leading to thrombocytopenia and leukemia in patients. The mechanisms by which GATA1 does this are unclear. We have used in vivo biotinylated GATA1 to isolate megakaryocyt...
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ژورنال
عنوان ژورنال: Developmental Biology
سال: 2010
ISSN: 0012-1606
DOI: 10.1016/j.ydbio.2010.01.033