نتایج جستجو برای: hoxa
تعداد نتایج: 509 فیلتر نتایج به سال:
Co-occurrence of Flt3ITD and TET2 mutations provoke an animal model of AML by epigenetic repression of Wnt pathway antagonists, including RUNX3, and by hyperexpression of ID1, encoding Wnt agonist. These affect HOXA over-expression and treatment resistance. A comparable epigenetic phenotype was identified among adult AML patients needing novel intervention. We chose combinations of targeted age...
Recombinant limbs were performed by ensembling dissociated-reaggregated wing bud mesoderm inside an ectodermal hull. The zone of polarizing activity was excluded from the mesoderm used to perform the recombinant limbs (non-polarized recombinants), and grafted when desired (polarized recombinants). Reorganization of patterning progressively occurred in the newly formed progress zone under the in...
In the present work we aimed to identify targetable signaling networks in human MLL-AF9 leukemias. We show that MLL-AF9 cells critically depend on FLT3-ligand induced pathways as well as on BRD3/4 for their survival. We evaluated the in vitro and in vivo efficacy of the BRD3/4 inhibitor I-BET151 in various human MLL-AF9 (primary) models and patient samples and analyzed the transcriptome changes...
Segmentation plays an important role in neuronal diversification and organisation in the developing hindbrain. For instance, cranial nerve branchiomotor nuclei are organised segmentally within the basal plates of successive pairs of rhombomeres. To reach their targets, motor axons follow highly stereotyped pathways exiting the hindbrain only via specific exit points in the even-numbered rhombom...
The ratio of noncoding to protein coding DNA rises with the complexity of the organism, culminating in nearly 99% of nonprotein coding DNA in humans. Nevertheless, a large portion of these regions is transcribed, creating the alleged paradox that noncoding RNA (ncRNA) represents the largest output of the human genome. Such a complex scenario may include epigenetic mechanisms where ncRNAs would ...
Expression of a NUP98-HOXD13 (NHD13) fusion gene leads to myelodysplastic syndrome in mice. In addition to ineffective hematopoiesis, we observed that NHD13 mice were lymphopenic; the lymphopenia was due to a decrease in both T and B lymphocytes. Although the pro-B cell (B220(+)/CD43(+)) populations from the NHD13 and wild-type mice were similar, the NHD13 mice showed decreased pre-B cells (B22...
Clonal cell lines representing different developmental stages of the metanephric mesenchyme were made from transgenic mice with the Simian Virus 40 T-antigen (SV40 Tag) gene driven by the Hoxa 11 promoter. The resulting mK3 cell line represented early metanephric mesenchyme, prior to induction by the ureteric bud. These cells showed a spindle-shaped, fibroblast morphology. They expressed genes ...
High blood pressure (BP) is more prevalent and contributes to more severe manifestations of cardiovascular disease (CVD) in African Americans than in any other United States ethnic group. Several small African-ancestry (AA) BP genome-wide association studies (GWASs) have been published, but their findings have failed to replicate to date. We report on a large AA BP GWAS meta-analysis that inclu...
The tympanic membrane in mammals is a trilaminar structure formed by the apposition of two epithelial cell layers, along with an intervening layer of cells derived from pharyngeal arch mesenchyme. One epithelial layer is contributed by the external acoustic meatus, a derivative of the first pharyngeal cleft. The other epithelial layer is contributed by the tubotympanic recess, a derivative of t...
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