Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA129145 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:This SuperSeries is composed of the following subset Series: GSE16432: MSI2 regulates hematopoiesis and accelerates leukemogenesis GSE22773: Musashi 2 regulates normal hematopoiesis and accelerates leukemogenesis (LK and MS12-inducible) GSE22774: Musashi 2 regulates normal hematopoiesis and accelerates leukemogenesis (LSK and LK) GSE22775: Musashi 2 regulates normal hematopoiesis and accelerates leukemogenesis (Leukemia cell lines) Refer to individual Series
2010-07-21 | E-GEOD-22778 | biostudies-arrayexpress
Project description:Musashi 2 regulates normal hematopoiesis and accelerates leukemogenesis
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Project description:Musashi 2 regulates normal hematopoiesis and accelerates leukemogenesis (LSK and LK)
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Project description:Musashi 2 regulates normal hematopoiesis and accelerates leukemogenesis (LK and MS12-inducible)
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Project description:CHAF1B is the p60 subunit of the chromatin assembly factor (CAF1) complex, which is responsible for assembly of H3.1/H4 heterodimers at the replication fork during S phase. Here we report that CHAF1B is required for normal hematopoiesis while its overexpression promotes leukemia. CHAF1B has a pro-leukemia effect by binding chromatin at discrete sites and interfering with occupancy of transcription factors that promote myeloid differentiation, such as CEBPA. Reducing Chaf1b activity by either heterozygous deletion or overexpression of a CAF1 dominant negative allele was sufficient to suppress leukemogenesis in vivo without impairing normal hematopoiesis.
2018-11-12 | GSE120063 | GEO
Project description:Kynureninase is a member of a large family of catalytically diverse but structurally homologous pyridoxal 5'-phosphate (PLP) dependent enzymes known as the aspartate aminotransferase superfamily or alpha-family. The Homo sapiens and other eukaryotic constitutive kynureninases preferentially catalyze the hydrolytic cleavage of 3-hydroxy-l-kynurenine to produce 3-hydroxyanthranilate and l-alanine, while l-kynurenine is the substrate of many prokaryotic inducible kynureninases. The human enzyme was cloned with an N-terminal hexahistidine tag, expressed, and purified from a bacterial expression system using Ni metal ion affinity chromatography. Kinetic characterization of the recombinant enzyme reveals classic Michaelis-Menten behavior, with a Km of 28.3 +/- 1.9 microM and a specific activity of 1.75 micromol min-1 mg-1 for 3-hydroxy-dl-kynurenine. Crystals of recombinant kynureninase that diffracted to 2.0 A were obtained, and the atomic structure of the PLP-bound holoenzyme was determined by molecular replacement using the Pseudomonas fluorescens kynureninase structure (PDB entry 1qz9) as the phasing model. A structural superposition with the P. fluorescens kynureninase revealed that these two structures resemble the "open" and "closed" conformations of aspartate aminotransferase. The comparison illustrates the dynamic nature of these proteins' small domains and reveals a role for Arg-434 similar to its role in other AAT alpha-family members. Docking of 3-hydroxy-l-kynurenine into the human kynureninase active site suggests that Asn-333 and His-102 are involved in substrate binding and molecular discrimination between inducible and constitutive kynureninase substrates.
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Project description:RNA extracted at 240min. Samples are rRNA depleted. Expression measurement of Homo sapiens genes.
2019-07-31 | GSE114179 | GEO
Project description:The 3q21q26 mice harboring a transgene recapitulating GATA2 enhancer-drived EVI1 overexpression in inv(3)(q21q26) allele develop leukemia. Gata2 heterogenous deletion accelerates leukemogenesis of the 3q21q26 mice. To get insights into the couse of the acceleration of leukemogenesis, RNA-sequencing analysis was performed using B220+Gr1–cKit+ populations containing leukemia-initiating cells in bone marrows of leukemic 3q21q26 and 3q21q26::Gata2+/– mice.
2017-10-01 | GSE86460 | GEO