نتایج جستجو برای: meis1
تعداد نتایج: 344 فیلتر نتایج به سال:
Acute myeloid leukemia (AML) with translocation t(8;16)(p11;p13) is an infrequent leukemia subtype with characteristic clinicobiological features. This translocation leads to fusion of MYST3 (MOZ) and CREBBP (CBP) genes, probably resulting in a disturbed transcriptional program of a myelomonocytic precursor. Nonetheless, its gene expression profile is unknown. We have analyzed the gene expressi...
Meningioma-1 (MN1) overexpression is frequently observed in patients with acute myeloid leukemia (AML) and is predictive of poor prognosis. In murine models, forced expression of MN1 in hematopoietic progenitors induces an aggressive myeloid leukemia that is strictly dependent on a defined gene expression program in the cell of origin, which includes the homeobox genes Hoxa9 and Meis1 as key co...
Human enhancer of zeste 2 (EZH2) protein belongs to the multiprotein polycomb repressive complex 2, which also includes suppressor of zeste 12 (SUZ12) and embryonic ectoderm development (EED). The polycomb repressive complex 2 complex possesses histone methyltransferase activity mediated by the Su(var)3-9, enhancer of zeste, and trithorax domain of EZH2, which methylates histone H3 on lysine (K...
The ten-eleven translocation 1 (TET1) gene is the founding member of the TET family of enzymes (TET1/2/3) that convert 5-methylcytosine to 5-hydroxymethylcytosine. Although TET1 was first identified as a fusion partner of the mixed lineage leukemia (MLL) gene in acute myeloid leukemia carrying t(10,11), its definitive role in leukemia is unclear. In contrast to the frequent down-regulation (or ...
Mixed-lineage leukemia (MLL) is a proto-oncogene frequently involved in chromosomal translocations associated with acute leukemia. These chromosomal translocations commonly result in MLL fusion proteins that dysregulate transcription. Recent data suggest that the MYB proto-oncogene, which is an important regulator of hematopoietic cell development, has a role in leukemogenesis driven by the MLL...
The proto-oncogenic protein c-Myb is an essential regulator of hematopoiesis and is frequently deregulated in hematological diseases such as lymphoma and leukemia. To gain insight into the mechanisms underlying the aberrant expression of c-Myb in myeloid leukemia, we analyzed and compared c-myb gene transcriptional regulation using two cell lines modeling normal hematopoietic progenitor cells (...
The “cancer stem cell” hypothesis has emerged as the leading paradigm in how we view the origin and perpetuation of neoplastic-initiating cells in leukemia and solid tumors (for review, see Buzzeo et al. 2007). Central to this model is the concept that only a rare subpopulation of cells in the malignant clone retains or acquires the ability to self-renew and proliferate to initiate and maintain...
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