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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
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
Manos Gkikas et al.
Biomacromolecules, 16(11), 3686-3693 (2015-10-16)
Novel poly(L-lysine)-block-poly(L-proline) (PLL-b-PLP)-based materials with all PLP helical conformers, i.e., PLP II and the rare PLP I are here reported. Electrostatic supramolecular complexation of the adjacent cationic PLL with anionic molecules bearing DNA analogue H-bonding functionalities, such as deoxyguanosine monophosphate
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
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
C J L Silwood et al.
Journal of dental research, 81(6), 422-427 (2002-07-05)
We have explored the ability of high-resolution NMR techniques to (1) index salivary biomolecules and (2) provide valuable data regarding intra- and inter-subject variability in the concentrations of a series of components readily determinable by this technique (organic acids and
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
Beatrice Bocca et al.
Annali dell'Istituto superiore di sanita, 41(2), 197-203 (2005-10-26)
The haematic concentration of 26 metals and the oxidative damage in 60 patients (20 males and 40 females) affected by Alzheimer's disease and 44 healthy individuals (33 males and 11 females) were compared. In patients, the following significant (p <
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
Mark G Jones et al.
Clinica chimica acta; international journal of clinical chemistry, 361(1-2), 150-158 (2005-07-05)
Previous work by others have suggested the occurrence of one or more chemical or metabolic 'markers' for ME/CFS including specific amino acids and organic acids and a number of unidentified compounds (CFSUM1, CFSUM2). We have shown elsewhere that CFSUM1 is
Zhongwei Xu et al.
Journal of proteome research, 14(11), 4594-4602 (2015-10-23)
Many studies have shown the Na(+)/K(+)-ATPase (NKA) might be a potential target for anticancer therapy. Cardiac glycosides (CGs), as a family of naturally compounds, inhibited the NKA activity. The present study investigates the antitumor effect of ouabain and elucidates the
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
Patrícia M Jorge et al.
Basic & clinical pharmacology & toxicology, 116(3), 273-280 (2014-08-30)
The diphenyl ditelluride (DPDT) is a prototype for the development of new biologically active molecules. In previous studies, DPDT showed an elevated cytotoxicity in Chinese hamster fibroblast (V79) cells but the mechanisms for reduction of cell viability still remain unknown.
Reşit Çakmak et al.
Bioorganic & medicinal chemistry letters, 21(18), 5398-5402 (2011-07-29)
Discovery of GR inhibitors has become very popular recently due to antimalarial and anticancer activities. In this study, the synthesis and GR inhibitory capacities of novel nitroaromatic compounds (NCs) (1-3) were reported. Some commercially available molecules were also tested for
Shewit Kalayou et al.
Cell biology and toxicology, 30(6), 361-376 (2014-11-25)
The mycotoxin alternariol (AOH) is an important contaminant of fruits and cereal products. The current study sought to address the effect of a non-toxic AOH concentration on the proteome of the steroidogenic H295R cell model. Quantitative proteomics based on stable
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
François-Michel Boisvert et al.
Molecular & cellular proteomics : MCP, 9(3), 457-470 (2009-12-23)
A major challenge in cell biology is to identify the subcellular distribution of proteins within cells and to characterize how protein localization changes under different cell growth conditions and in response to stress and other external signals. Protein localization is
Rodolfo R Favaro et al.
Histology and histopathology, 30(4), 435-444 (2014-09-10)
We have previously shown that long-term type 1 diabetes affects the structural organization, contractile apparatus and extracellular matrix (ECM) of the myometrium during early pregnancy in mice. This study aimed to identify which myometrial ECM components are affected by diabetes
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
Zheng Tian et al.
Langmuir : the ACS journal of surfaces and colloids, 30(41), 12411-12420 (2014-09-25)
Carbon films with interdigitated bimodal three-dimensionally ordered mesoporosity (ib3DOm) are realized by a scalable nanoreplication process that removes the common need plaguing hard-templating strategies for multistep prefabrication of porous sacrificial templates. Specifically, evaporation-induced convective codeposition of size-tunable (ca. 20-50 nm)
Vladimir N Noskov et al.
Nature protocols, 6(1), 89-96 (2011-01-08)
Circular yeast artificial chromosomes (YACs) provide significant advantages for cloning and manipulating large segments of genomic DNA in Saccharomyces cerevisiae. However, it has been difficult to exploit these advantages, because circular YACs are difficult to isolate and purify. Here we
Maritta Küspert et al.
RNA (New York, N.Y.), 21(7), 1294-1305 (2015-05-24)
mRNAs are key molecules in gene expression and subject to diverse regulatory events. Regulation is accomplished by distinct sets of trans-acting factors that interact with mRNAs and form defined mRNA-protein complexes (mRNPs). The resulting "mRNP code" determines the fate of
Francesca Mateo et al.
Molecular cancer, 13, 237-237 (2014-10-22)
Tumor cell subpopulations can either compete with each other for nutrients and physical space within the tumor niche, or co-operate for enhanced survival, or replicative or metastatic capacities. Recently, we have described co-operative interactions between two clonal subpopulations derived from
Su-Jin Hwang et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(15), 5872-5878 (2015-02-26)
Pure and palladium-loaded Co3O4 hollow hierarchical nanostructures consisting of nanosheets have been prepared by solvothermal self-assembly. The nanostructures exhibited an ultrahigh response and selectivity towards p-xylene and toluene. The responses (resistance ratio) of the palladium-loaded Co3O4 hollow hierarchical nanostructures to
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.
Alkmini A Papadopoulou et al.
EMBO reports, 20(3) (2019-02-09)
Members of the GxGD-type intramembrane aspartyl proteases have emerged as key players not only in fundamental cellular processes such as B-cell development or protein glycosylation, but also in development of pathologies, such as Alzheimer's disease or hepatitis virus infections. However
Hunter Cuchiaro et al.
Journal of agricultural and food chemistry, 67(19), 5672-5679 (2019-04-25)
The analysis of protein in algal biomass is one of the most critical areas of commercial development of algae characterization for nutritional or other high value applications. A new rapid and accurate method is required that can be widely implemented
Isabella Farhy-Tselnicker et al.
Neuron, 96(2), 428-445 (2017-10-13)
The generation of precise synaptic connections between developing neurons is critical to the formation of functional neural circuits. Astrocyte-secreted glypican 4 induces formation of active excitatory synapses by recruiting AMPA glutamate receptors to the postsynaptic cell surface. We now identify
Gong Zhang et al.
Journal of agricultural and food chemistry, 59(22), 12037-12046 (2011-10-11)
A sensitive and reliable LC-(ESI)MS/MS method was developed and validated for the simultaneous analysis of five common advanced glycation endproducts (AGEs) after enzymatic digestion in raw and roasted almonds. AGEs included carboxymethyl-lysine (CML), carboxyethyl-lysine (CEL), pyralline (Pyr), argpyrimidine (Arg-p), and
Reeder M Robinson et al.
Archives of biochemistry and biophysics, 550-551, 58-66 (2014-04-29)
The mechanism of Mycobacterium smegmatis G (MbsG), a flavin-dependent l-lysine monooxygenase, was investigated under steady-state and rapid reaction conditions using primary and solvent kinetic isotope effects, substrate analogs, pH and solvent viscosity effects as mechanistic probes. The results suggest that
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