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Showing 1-30 of 147 results for "PHR1096" within Papers
Li Jiao et al.
The American journal of clinical nutrition, 101(1), 126-134 (2014-12-21)
Advanced glycation end products (AGEs) are a heterogeneous group of compounds present in uncooked foods as well as in foods cooked at high temperatures. AGEs have been associated with insulin resistance, oxidative stress, and chronic inflammation in patients with diabetes.
A A Zhloba et al.
Biomeditsinskaia khimiia, 59(5), 570-577 (2014-02-01)
Blood carboxypeptidases play an important role in the regulation of fibrinolysis. We have proposed here the method for the assay of blood carboxypeptidase activity associated with coagulation/fibrinolysis using the natural substrate fibrin and the detection of basic amino acids arginine
Jennifer C Harr et al.
The Journal of cell biology, 208(1), 33-52 (2015-01-07)
Nuclear organization has been implicated in regulating gene activity. Recently, large developmentally regulated regions of the genome dynamically associated with the nuclear lamina have been identified. However, little is known about how these lamina-associated domains (LADs) are directed to the
E Yildiz et al.
European journal of paediatric dentistry : official journal of European Academy of Paediatric Dentistry, 14(3), 209-214 (2013-12-04)
The aim of this in vitro study is to evaluate the effects of three different caries removal techniques on the microtensile bond strength of adhesive materials to caries-affected dentin. Thirty primary molar teeth were used. The teeth were randomly divided
Kaihang Wang et al.
Nature chemistry, 6(5), 393-403 (2014-04-24)
The ability to introduce different biophysical probes into defined positions in target proteins will provide powerful approaches for interrogating protein structure, function and dynamics. However, methods for site-specifically incorporating multiple distinct unnatural amino acids are hampered by their low efficiency.
Anna Cascante et al.
Journal of molecular biology, 426(20), 3467-3477 (2014-04-22)
Neural stem cell (NSC) state and fate depend on spatially and temporally synchronized transcriptional and epigenetic regulation of the expression of extrinsic signaling factors and intrinsic cell-specific genes, but the functional roles for chromatin-modifying enzymes in neural differentiation remain poorly
Wei Wan et al.
Biochimica et biophysica acta, 1844(6), 1059-1070 (2014-03-19)
The genetic incorporation of the 22nd proteinogenic amino acid, pyrrolysine (Pyl) at amber codon is achieved by the action of pyrrolysyl-tRNA synthetase (PylRS) together with its cognate tRNA(Pyl). Unlike most aminoacyl-tRNA synthetases, PylRS displays high substrate side chain promiscuity, low
Atsuko Ueki et al.
Archives of microbiology, 197(1), 97-104 (2014-12-03)
A strictly anaerobic bacterial strain (WN037(T)) was isolated from a methanogenic reactor. Cells were Gram-positive rods. Strain WN037(T) was asaccharolytic. The strain fermented L-lysine in the presence of B-vitamin mixture or vitamin B12 and produced acetate and butyrate. L-arginine and
Luciana R Mazzitelli et al.
The Journal of biological chemistry, 289(15), 10761-10768 (2014-03-04)
The transport of calcium to the extracellular space carried out by plasma membrane Ca(2+) pumps (PMCAs) is essential for maintaining low Ca(2+) concentrations in the cytosol of eukaryotic cells. The activity of PMCAs is controlled by autoinhibition. Autoinhibition is relieved
Mariam Traoré et al.
Organic letters, 16(13), 3588-3591 (2014-06-25)
Aza-peptides with basic amino acid residues (lysine, ornithine, arginine) and derivatives were synthesized by an effective approach featuring alkylation of a hydrazone-protected aza-glycine residue with α-bromo ω-chloro propane and butane to provide the corresponding alkyl chloride side chains. Displacement of
Takashi Toyama et al.
Chemico-biological interactions, 214, 41-48 (2014-03-04)
Covalent modification of cellular proteins by electrophiles affects electrophilic signal transduction and the dysfunction of enzymes that is involved in cytotoxicity. We have recently found a unique reaction which restores glyceraldehyde-3-phosphate dehydrogenase (GAPDH) that has been modified by 1,2-naphthoquinone (1,2-NQ)
Haig A Eskandarian et al.
Science (New York, N.Y.), 341(6145), 1238858-1238858 (2013-08-03)
Pathogens dramatically affect host cell transcription programs for their own profit during infection, but in most cases, the underlying mechanisms remain elusive. We found that during infection with the bacterium Listeria monocytogenes, the host deacetylase sirtuin 2 (SIRT2) translocates to
Almog Spector-Chotiner et al.
Biochemical and biophysical research communications, 443(2), 738-742 (2013-12-18)
The cyclooxygenase (COX) enzyme isoforms COX-1 and COX-2 catalyze the main step in the generation of prostanoids that mediate major physiological functions. Whereas COX-1 is a ubiquitously expressed stable protein, COX-2 is transiently upregulated in many pathologies and is often
Nathan R Rose et al.
Biochimica et biophysica acta, 1839(12), 1362-1372 (2014-02-25)
DNA methylation acts as an epigenetic modification in vertebrate DNA. Recently it has become clear that the DNA and histone lysine methylation systems are highly interrelated and rely mechanistically on each other for normal chromatin function in vivo. Here we
Panagis Filippakopoulos et al.
Nature reviews. Drug discovery, 13(5), 337-356 (2014-04-23)
Lysine acetylation is a key mechanism that regulates chromatin structure; aberrant acetylation levels have been linked to the development of several diseases. Acetyl-lysine modifications create docking sites for bromodomains, which are small interaction modules found on diverse proteins, some of
Gregory R Wagner et al.
Molecular cell, 54(1), 5-16 (2014-04-15)
Cellular proteins are decorated with a wide range of acetyl and other acyl modifications. Many studies have demonstrated regulation of site-specific acetylation by acetyltransferases and deacetylases. Acylation is emerging as a new type of lysine modification, but less is known
Janet L Thornton et al.
Genes & development, 28(2), 115-120 (2014-01-10)
The stimulation of trimethylation of histone H3 Lys4 (H3K4) by H2B monoubiquitination (H2Bub) has been widely studied, with multiple mechanisms having been proposed for this form of histone cross-talk. Cps35/Swd2 within COMPASS (complex of proteins associated with Set1) is considered
P M Viral et al.
The Journal of clinical pediatric dentistry, 37(3), 269-274 (2013-07-17)
To evaluate and compare the efficiency, marginal leakage and shear bond strength of Carisolv and Papacarie in primary molars. Freshly extracted 60 human carious primary molars were randomly divided into two experimental groups--Group I [caries removal by Carisolv] and Group
Julie Lodewick et al.
Retrovirology, 10, 75-75 (2013-07-25)
Transformation by the Tax oncoprotein of the human T cell leukemia virus type 1 (HTLV-1) is governed by actions on cellular regulatory signals, including modulation of specific cellular gene expression via activation of signaling pathways, acceleration of cell cycle progression
Alexander P Tuckow et al.
Biochemical and biophysical research communications, 436(1), 41-46 (2013-05-28)
Eukaryotic initiation factor 2Bε (eIF2Bε) plays a critical role in the initiation of mRNA translation and its expression and guanine nucleotide exchange activity are major determinants of the rate of protein synthesis. In this work we provide evidence that the
C Derek Ma et al.
Nature, 517(7534), 347-350 (2015-01-17)
The structure of water near non-polar molecular fragments or surfaces mediates the hydrophobic interactions that underlie a broad range of interfacial, colloidal and biophysical phenomena. Substantial progress over the past decade has improved our understanding of hydrophobic interactions in simple
Guo-Min Li
Cancer research, 73(21), 6379-6383 (2013-10-23)
DNA mismatch repair (MMR) maintains genome stability primarily by correcting replication-associated mismatches. Defects in MMR lead to several human cancers characterized by frequent alterations in simple repetitive DNA sequences, a phenomenon called microsatellite instability (MSI). In most MSI-positive cancers, genetic
Jiamu Du et al.
Biochimica et biophysica acta, 1839(8), 719-727 (2014-04-22)
Epigenetic mechanisms control gene regulation by writing, reading and erasing specific epigenetic marks. Within the context of multi-disciplinary approaches applied to investigate epigenetic regulation in diverse systems, structural biology techniques have provided insights at the molecular level of key interactions
Rakhi Gupta et al.
Developmental biology, 395(1), 38-49 (2014-09-11)
To determine the hierarchy of transcriptional regulation within the in vivo vertebrate embryo, we examined whether developmental enhancers were influenced by Nodal signaling during early embryogenesis in Xenopus tropicalis. We find that developmental enhancers, defined by the active enhancer chromatin
Keisuke Miyagawa et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(16), 5950-5955 (2014-04-09)
Telomeres protect DNA ends of linear eukaryotic chromosomes from degradation and fusion, and ensure complete replication of the terminal DNA through recruitment of telomerase. The regulation of telomerase is a critical area of telomere research and includes cis regulation by
Akira Inagaki et al.
Neuron, 81(1), 91-102 (2014-01-15)
Voltage-gated ion channels exhibit complex properties, which can be targeted in pharmacological therapies for disease. Here, we report that the pro-oxidant, tert-butyl dihydroquinone (BHQ), modulates Ca(v)2.1 Ca²⁺ channels in ways that oppose defects in channel gating and synaptic transmission resulting
Francesca Mattiroli et al.
Nature structural & molecular biology, 21(4), 308-316 (2014-04-05)
Ubiquitin and ubiquitin-like modifications are central to virtually all cellular signaling pathways. They occur primarily on lysine residues of target proteins and stimulate a large number of downstream signals. The diversity of these signals depends on the type, location and
Xuewei Wu et al.
The Journal of biological chemistry, 288(50), 36094-36105 (2013-11-06)
The etiology of human T cell leukemia virus 1 (HTLV-1)-mediated adult T cell leukemia is associated with the ability of viral oncoprotein Tax to induce sustained NF-κB activation and the expression of many NF-κB target genes. Acetylation of the RelA
Paul A Del Rizzo et al.
Biochimica et biophysica acta, 1839(12), 1404-1415 (2014-06-21)
Lysine methylation has emerged as a prominent covalent modification in histones and non-histone proteins. This modification has been implicated in numerous genomic processes, including heterochromatinization, cell cycle progression, DNA damage response, DNA replication, genome stability, and epigenetic gene regulation that
Monica Di Giacomo et al.
Molecular cell, 50(4), 601-608 (2013-05-28)
Transposons present an acute challenge to the germline, and mechanisms that repress their activity are essential for transgenerational genomic integrity. LINE1 (L1) is the most successful retrotransposon and is epigenetically repressed by CpG DNA methylation. Here, we identify two additional
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