Search Within
Applied Filters:
Showing 1-30 of 423 results for "


" within Papers
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
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
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
Christoph B Messner et al.
Proceedings of the National Academy of Sciences of the United States of America, 114(28), 7403-7407 (2017-06-28)
The evolutionary origins of metabolism, in particular the emergence of the sugar phosphates that constitute glycolysis, the pentose phosphate pathway, and the RNA and DNA backbone, are largely unknown. In cells, a major source of glucose and the large sugar
Christopher J Tape et al.
Molecular & cellular proteomics : MCP, 13(7), 1866-1876 (2014-05-14)
We report the orthologous screening, engineering, and optimization of amino acid conversion enzymes for cell-specific proteomic labeling. Intracellular endoplasmic-reticulum-anchored Mycobacterium tuberculosis diaminopimelate decarboxylase (DDC(M.tub-KDEL)) confers cell-specific meso-2,6-diaminopimelate-dependent proliferation to multiple eukaryotic cell types. Optimized lysine racemase (Lyr(M37-KDEL)) supports D-lysine specific
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
Maria Qatato et al.
Cells, 10(6) (2021-07-03)
Trace amine-associated receptor 1 (rodent Taar1/human TAAR1) is a G protein-coupled receptor that is mainly recognized for its functions in neuromodulation. Previous in vitro studies suggested that Taar1 may signal from intracellular compartments. However, we have shown Taar1 to localize
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
Tomohiro Mizuno et al.
OncoTargets and therapy, 8, 1701-1706 (2015-07-24)
To elucidate the mechanism responsible for developing acute kidney injury in patients with diabetes mellitus, we also evaluated the issue of whether advanced glycation endproducts (AGEs) influence the expressions of multi antimicrobial extrusion protein (MATE1/SLC47A1) in tubular cells. To detect
Evagelia C Laiakis et al.
Radiation research, 181(4), 350-361 (2014-03-29)
The emergence of the threat of radiological terrorism and other radiological incidents has led to the need for development of fast, accurate and noninvasive methods for detection of radiation exposure. The purpose of this study was to extend radiation metabolomic
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
Michael J Wilhelm et al.
ACS chemical biology, 10(7), 1711-1717 (2015-04-17)
For well over a century, Hans Christian Gram's famous staining protocol has been the standard go-to diagnostic for characterizing unknown bacteria. Despite continuous and ubiquitous use, we now demonstrate that the current understanding of the molecular mechanism for this differential
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
G Hajishengallis et al.
Journal of dental research, 73(9), 1493-1502 (1994-09-01)
Adherence to salivary pellicle-coated tooth surfaces and aggregation by salivary components of Streptococcus mutans involves a major cell surface protein termed antigen (Ag) I/II. The objectives of this study were to evaluate the affinity and specificity of the interactions between
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
Nathaniel H Thayer et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(39), 14019-14026 (2014-09-18)
Long-lived proteins have been implicated in age-associated decline in metazoa, but they have only been identified in extracellular matrices or postmitotic cells. However, the aging process also occurs in dividing cells undergoing repeated asymmetric divisions. It was not clear whether
Marisa Stebegg et al.
eLife, 9 (2020-03-25)
Germinal centres (GCs) are T follicular helper cell (Tfh)-dependent structures that form in response to vaccination, producing long-lived antibody secreting plasma cells and memory B cells that protect against subsequent infection. With advancing age the GC and Tfh cell response
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
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
Victoria Hung et al.
Nature protocols, 11(3), 456-475 (2016-02-13)
This protocol describes a method to obtain spatially resolved proteomic maps of specific compartments within living mammalian cells. An engineered peroxidase, APEX2, is genetically targeted to a cellular region of interest. Upon the addition of hydrogen peroxide for 1 min
H Sahm et al.
Annals of the New York Academy of Sciences, 782, 25-39 (1996-05-15)
The gram-negative bacterium Corynebacterium glutamicum is used for the industrial production of amino acids, for example, of L-glutamate and L-lysine. By cloning and expressing the various genes of the L-lysine pathway in C. glutamicum, we would demonstrate that an increase
Moran Frenkel-Pinter et al.
Science advances, 3(9), e1601576-e1601576 (2017-09-21)
Deviations from the normal nucleoplasmic protein O-GlcNAcylation, as well as from normal protein sialylation and N-glycosylation in the secretory pathway, have been reported in Alzheimer's disease (AD). However, the interplay between the cytoplasmic protein O-GlcNAcylation and the secretory N-/O-glycosylation in
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
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
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
Reiko Yamagishi et al.
Molecular vision, 20, 1796-1805 (2015-01-17)
Astaxanthin is a type of carotenoid known to have strong antioxidant effects. The purpose of this study was to investigate whether astaxanthin confers a neuroprotective effect against glutamate stress, oxidative stress, and hypoxia-induced apoptotic or necrotic cell death in primary
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
Page 1 of 15
Page 1 of 15