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MLL-fusion proteins are potent inducers of oncogenic transformation, and their expression is considered to be the main oncogenic driving force in ∼10% of human acute myeloid leukemia (AML) patients. These oncogenic fusion proteins are responsible for the initiation of a downstream transcriptional program leading to the expression of factors such as MEIS1(More)
The balance between self-renewal and differentiation is crucial for the maintenance of hematopoietic stem cells (HSCs). Whereas numerous gene regulatory factors have been shown to control HSC self-renewal or drive their differentiation, we have relatively few insights into transcription factors that serve to restrict HSC differentiation. In the present(More)
The HemaExplorer Web server allows for an easy display of mRNA expression profiles for query genes in murine and human hematopoietic stem and progenitor cells that represent consecutive developmental stages along the myeloid differentiation pathway. In addition, it provides the ability to compare gene expression levels in human acute myeloid leukemia (AML)(More)
The HemaExplorer (http://servers.binf.ku.dk/hemaexplorer) is a curated database of processed mRNA Gene expression profiles (GEPs) that provides an easy display of gene expression in haematopoietic cells. HemaExplorer contains GEPs derived from mouse/human haematopoietic stem and progenitor cells as well as from more differentiated cell types. Moreover, data(More)
Deletions of chromosome 5q are associated with poor outcomes in acute myeloid leukemia (AML) suggesting the presence of tumor suppressor(s) at the locus. However, definitive identification of putative tumor suppressor genes remains controversial. Here we show that a 106-nucleotide noncoding RNA vault RNA2-1 (vtRNA2-1), previously misannotated as miR886,(More)
Gene expression profiling has been used extensively to characterize cancer, identify novel subtypes, and improve patient stratification. However, it has largely failed to identify transcriptional programs that differ between cancer and corresponding normal cells and has not been efficient in identifying expression changes fundamental to disease etiology.(More)
The current study reports a flow cytometry-based protocol for the prospective purification of human BM populations representing six successive stages of terminal neutrophil differentiation, including early promyelocytes and late promyelocytes, myelocytes, metamyelocytes, band cells, and PMN neutrophilic granulocytes. Validation experiments revealed a high(More)
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