نتایج جستجو برای: novel precursor
تعداد نتایج: 854667 فیلتر نتایج به سال:
Differentiation arrest is a hallmark of acute leukemia. Genomic alterations in B cell differentiation factors such as PAX5, IKZF1, and EBF-1 have been identified in more than half of all cases of childhood B precursor acute lymphoblastic leukemia (ALL). Here, we describe a perturbed epigenetic and transcriptional regulation of ZNF423 in ALL as a novel mechanism interfering with B cell different...
Astroviruses have been widely described in mammalian and avian species. Here, we report a complete genome sequence of a novel porcine astrovirus (PoAstV) isolated from a porcine fecal sample in China. The genome consists of 6,611 nucleotides, excluding the 3' poly(A) tail, and has two open reading frames (ORFs). ORF1 maps between nucleotide positions 19 and 4211 and encodes a 1,396-amino-acid (...
The Retinoblastoma family member p107 regulates the rate of progenitor commitment to a neuronal fate
The Retinoblastoma protein p107 regulates the neural precursor pool in both the developing and adult brain. As p107-deficient mice exhibit enhanced levels of Hes1, we questioned whether p107 regulates neural precursor self-renewal through the repression of Hes1. p107 represses transcription at the Hes1 promoter. Despite an expanded neural precursor population, p107-null mice exhibit a striking ...
Dysregulation of the proteolytic processing of amyloid precursor protein by γ-secretase and the ensuing generation of amyloid-β is associated with the pathogenesis of Alzheimer's disease. Thus, the identification of amyloid precursor protein binding proteins involved in regulating processing of amyloid precursor protein by the γ-secretase complex is essential for understanding the mechanisms un...
substituted naphthofurans and naphthopyrans were constructed at high temperature from allyl or propargyl naphthyl ethers via claisen rearrangement in moderate to good yields. also, substituted (trimethylsilyl)-naphthofurans were synthesized from the corresponding naphtofurans.
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