نتایج جستجو برای: aspa gene
تعداد نتایج: 1141446 فیلتر نتایج به سال:
Cancer is associated with globally hypoacetylated chromatin and considerable attention has recently been focused on epigenetic therapies. N-acetyl-L-aspartate (NAA), the primary storage form of acetate in the brain, and aspartoacylase (ASPA), the enzyme responsible for NAA catalysis to generate acetate and ultimately acetyl-Coenzyme A for histone acetylation, are reduced in oligodendroglioma. T...
Recombinant adeno-associated virus (AAV) vectors are versatile tools for gene transfer to the central nervous system (CNS) and proof-of-concept studies in adult rodents have shown that the use of cell type-specific promoters is sufficient to target AAV-mediated transgene expression to glia. However, neurological disorders caused by glial pathology usually have an early onset. Therefore, modelli...
We describe 14 patients with 12 novel missense mutations in ASPA, the gene causing Canavan disease (CD). We developed a method to study the effect of these 12 variants on the function of aspartoacylase-the hydrolysis of N-acetyl-l-aspartic acid (NAA) to aspartate and acetate. The wild-type ASPA open reading frame (ORF) and the ORFs containing each of the variants were transfected into HEK293 ce...
Recently, the solved crystal structure of a phenylalanine-activating adenylation (A) domain enlightened the structural basis for the specific recognition of the cognate substrate amino acid in nonribosomal peptide synthetases (NRPSs). By adding sequence comparisons and homology modeling, we successfully used this information to decipher the selectivity-conferring code of NRPSs. Each codon combi...
Construction of the synthetic network The network shown in Fig. 1A is implemented in Escherichia coli using the plasmid pJM31 (Fig. S1). This plasmid contains all components of the network except the lactose repressor gene, lacI, that is integrated in the E. coli genome under the strong promoter PlacIq (1). The fluorescent proteins were obtained from the plasmids pECFP, pEYFP, and pDsRed-Expres...
This paper presents techniques for objective characterisation of Automatic Speech-to-Phoneme Alignment (ASPA) systems, without the need for human-generated labels to act as a benchmark. As well as being immune to the effects of human variability, these techniques yield diagnostic information which can be helpful in the development of new alignment systems, ensuring that the resulting labels are...
The disulfide dihedral angle in epidithiodiketopiperazines (ETPs) is near 0°. Application of this highest possible ring tension to strain-promoted thiol-mediated uptake results in efficient delivery to the cytosol and nucleus. Compared to the previous best asparagusic acid (AspA), ring-opening disulfide exchange with ETPs occurs more efficiently even with nonactivated thiols, and the resulting ...
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