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Showing 1-30 of 143 results for "04260" within Papers
Carlos Maluquer de Motes et al.
The Journal of general virology, 95(Pt 9), 2038-2049 (2014-06-11)
Ubiquitylation is a covalent post-translational modification that regulates protein stability and is involved in many biological functions. Proteins may be modified with mono-ubiquitin or ubiquitin chains. Viruses have evolved multiple mechanisms to perturb the cell ubiquitin system and manipulate it
Koichi Tan-No et al.
International review of neurobiology, 85, 191-205 (2009-07-18)
Dynorphins, the endogenous opioid peptides derived from prodynorphin may participate not only in the inhibition, but also in facilitation of spinal nociceptive transmission. However, the mechanism of pronociceptive dynorphin actions, and the comparative potential of prodynorphin processing products to induce
Walid Semaan et al.
Biochemical pharmacology, 94(2), 91-100 (2015-02-11)
Important structural differences imply that human and mouse mast cell chymases may differ with respect to their enzymatic properties. We compared in this study the catalytic efficiencies of recombinant human chymase (rCMA1) and its functional murine homologue recombinant mouse mast
T O Ajiboye
Journal of ethnopharmacology, 164, 273-282 (2015-02-04)
Vitex doniana fruits are locally used in Nigeria as a remedy in the treatment of jaundice and liver related disease. The effect of methanolic extract of Vitex doniana fruits on acetaminophen induced protein oxidation, lipid peroxidation and DNA fragmentation was
Michael R Bukowski et al.
Analytical biochemistry, 469, 54-64 (2014-12-03)
Protein S-glutathionylation is a posttranslational modification that links oxidative stimuli to reversible changes in cellular function. Protein-glutathione mixed disulfide (PSSG) is commonly quantified by reduction of the disulfide and detection of the resultant glutathione species. This methodology is susceptible to
Minggang Tian et al.
Organic & biomolecular chemistry, 12(32), 6128-6133 (2014-07-06)
Cysteine (Cys) plays important roles in many physiological processes of eukaryotic cells and its detection in cells is of fundamental significance. However, glutathione (GSH), homocysteine, N-acetyl-L-cysteine and other thiols greatly hamper the detection of Cys. In particular, GSH strongly interferes
Kanako Maki et al.
PloS one, 10(4), e0122986-e0122986 (2015-04-16)
Asthma is a chronic inflammatory disorder of the airways, involving oxidative stress. Upon oxidative stress, glutathione covalently binds to protein thiols to protect them against irreversible oxidation. This posttranslational modification, known as protein S-glutathionylation, can be reversed by glutaredoxin 1
Jaison J Omoto et al.
The Journal of membrane biology, 245(12), 841-857 (2012-08-25)
The aims of this study were to optimize the experimental conditions for labeling extracellularly oriented, solvent-exposed cysteine residues of γ-aminobutyric acid transporter 1 (GAT1) with the membrane-impermeant sulfhydryl reagent [2-(trimethylammonium)ethyl]methanethiosulfonate (MTSET) and to characterize the functional and pharmacological consequences of
Byung Sun Park et al.
Journal of neurochemistry, 132(2), 230-242 (2014-08-16)
Hydrogen sulfide (H2 S) functions as a physiological gas transmitter in both normal and pathophysiological cellular events. H2 S is produced from substances by three enzymes: cystathionine β-synthase (CBS), cystathionine γ-lyase (CSE), and 3-mercaptopyruvate sulfurtransferase (MST). In human tissues, these
Jessica A Hall et al.
Molecular endocrinology (Baltimore, Md.), 28(6), 912-924 (2014-04-04)
Hepatic forkhead protein FoxO1 is a key component of systemic glucose homeostasis via its ability to regulate the transcription of rate-limiting enzymes in gluconeogenesis. Important in the regulation of FoxO1 transcriptional activity are the modifying/demodifying enzymes that lead to posttranslational
João Cleverson Gasparetto et al.
PloS one, 10(3), e0118922-e0118922 (2015-03-11)
For decades guaco species have been empirically used for the treatment of respiratory diseases. However, studies have shown that the toxic and therapeutic effects of the main guaco metabolites are dose-dependent, and none clinical study was done to evaluate the
Takamichi Shintani et al.
Blood cells, molecules & diseases, 53(4), 211-218 (2014-08-03)
We examined the biological functions of the gene Cbl in erythropoietin (EPO) signaling using Cbl-deficient F-36P human erythroleukemia cells by the introduction of the Cbl siRNA expression vector. Knockdown of Cbl promoted EPO-dependent proliferation and survival of F-36P cells, especially
Brett J Roberts et al.
Journal of cell science, 127(Pt 17), 3782-3793 (2014-07-09)
Desmosomes are prominent adhesive junctions found in various epithelial tissues. The cytoplasmic domains of desmosomal cadherins interact with a host of desmosomal plaque proteins, including plakophilins, plakoglobin and desmoplakin, which, in turn, recruit the intermediate filament cytoskeleton to sites of
Alessandra Rufini et al.
Neurobiology of disease, 75, 91-99 (2015-01-01)
Friedreich ataxia is an inherited neurodegenerative disease that leads to progressive disability. There is currently no effective treatment and patients die prematurely. The underlying genetic defect leads to reduced expression of the mitochondrial protein frataxin. Frataxin insufficiency causes mitochondrial dysfunction
Jang-Won Lee et al.
Neurobiology of aging, 36(1), 505-518 (2014-09-02)
Mutations in leucine-rich repeated kinase 2 (LRRK2) cause autosomal dominant late-onset Parkinson's disease (PD), and the G2019S mutation in the kinase domain of LRRK2 is the most common genetic cause of familial PD. Enhanced kinase activity of G2019S LRRK2 is
Irini Tossidou et al.
Kidney international, 86(6), 1161-1173 (2014-06-19)
Podocyte effacement and the reformation of foot processes and slit diaphragms can be induced within minutes experimentally. Therefore, it seems likely that the slit diaphragm proteins underlie orchestrated recycling mechanisms under the control of posttranslational modifiers. One of these modifiers
Changzhi Xu et al.
Journal of virology, 88(19), 11356-11368 (2014-07-25)
Retinoic acid-inducible gene I (RIG-I) is an intracellular RNA virus sensor that induces type I interferon-mediated host-protective innate immunity against viral infection. Although cylindromatosis (CYLD) has been shown to negatively regulate innate antiviral response by removing K-63-linked polyubiquitin from RIG-I
A Tazumi et al.
British journal of biomedical science, 69(1), 1-5 (2012-05-09)
This study aims to characterise biochemically urease from an atypical Campylobacter lari, namely urease-positive thermophilic Campylobacter (UPTC). Urease was purified from cells of a Japanese UPTC isolate (CF89-12) using phenyl-Sepharose chromatography. Two protein components (estimates molecular masses 24 kDa and
Ji Hyo Lyu et al.
Journal of cellular biochemistry, 116(2), 260-267 (2014-09-05)
Regulator of G protein signaling 2 (RGS2) is a member of a family of proteins that functions as a GTPase-activating protein (GAP) for Gα subunits. RGS2 mRNA expression is lower in breast cancerous tissues than in normal tissues. In addition
Jason P Chua et al.
The Journal of clinical investigation, 125(2), 831-845 (2015-01-22)
Expansion of the polyglutamine (polyQ) tract within the androgen receptor (AR) causes neuromuscular degeneration in individuals with spinobulbar muscular atrophy (SBMA). PolyQ AR has diminished transcriptional function and exhibits ligand-dependent proteotoxicity, features that have both been implicated in SBMA; however
Matthew W Woods et al.
Retrovirology, 8, 95-95 (2011-11-19)
The identification and characterization of several interferon (IFN)-induced cellular HIV-1 restriction factors, defined as host cellular proteins or factors that restrict or inhibit the HIV-1 life cycle, have provided insight into the IFN response towards HIV-1 infection and identified new
Sarah R Beyer et al.
The Journal of biological chemistry, 288(42), 30411-30419 (2013-09-11)
In most cells, cationic amino acids such as l-arginine, l-lysine, and l-ornithine are transported by cationic (CAT) and y(+)L (y(+)LAT) amino acid transporters. In human erythrocytes, the cysteine-modifying agent N-ethylmaleimide (NEM) has been shown to inhibit system y(+) (most likely
Qinglin Han et al.
Journal of virology, 88(16), 9379-9390 (2014-06-13)
Viruses take advantage of host posttranslational modifications for their own benefit. It was recently reported that influenza A virus proteins interact extensively with the host sumoylation system. Thereby, several viral proteins, including NS1 and M1, are sumoylated to facilitate viral
Andrew Rowland et al.
Drug metabolism and disposition: the biological fate of chemicals, 43(1), 147-153 (2014-11-09)
This study characterized the kinetics, variability, and factors that affect UDP-glucuronic acid (UDP-GlcUA) uptake by human liver microsomes (HLM). Biphasic kinetics were observed for UDP-GlcUA uptake by HLM. Uptake affinities (assessed as Kd) of the high- and low-affinity components differed
Serena Giovinazzi et al.
Oncotarget, 5(11), 3728-3742 (2014-07-09)
USP7 (Ubiquitin Specific processing Protease-7) is a deubiquitinase which, over the past decade emerged as a critical regulator of cellular processes. Deregulation of USP7 activity has been linked to cancer, making USP7 inhibition an appealing anti-cancer strategy. The identification of
Sheng Sun et al.
The Biochemical journal, 466(3), 475-487 (2014-12-17)
Endosomal sorting complex required for transport (ESCRT)-III-mediated membrane invagination and scission are a critical step in multivesicular body (MVB) sorting of ubiquitinated membrane receptors, and generally thought to be required for degradation of these receptors in lysosomes. The adaptor protein
Amir Sapir et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(37), E3880-E3889 (2014-09-05)
Many metabolic pathways are critically regulated during development and aging but little is known about the molecular mechanisms underlying this regulation. One key metabolic cascade in eukaryotes is the mevalonate pathway. It catalyzes the synthesis of sterol and nonsterol isoprenoids
Improved method for measurement of delta-aminolevulinic acid dehydratase activity of human erythrocytes.
H B Burch et al.
Clinical chemistry, 17(10), 1038-1041 (1971-10-01)
Shohei Shinozaki et al.
Science signaling, 7(351), ra106-ra106 (2014-11-13)
Inflammation increases the abundance of inducible nitric oxide synthase (iNOS), leading to enhanced production of nitric oxide (NO), which can modify proteins by S-nitrosylation. Enhanced NO production increases the activities of the transcription factors p53 and nuclear factor κB (NF-κB)
Jong Ho Park et al.
Nature communications, 5, 5483-5483 (2014-11-19)
DBC1 is a major inhibitor of SIRT1, which plays critical roles in the control of diverse cellular processes, including stress response and energy metabolism. Therefore, the DBC1-SIRT1 interaction should finely be regulated. Here we report that DBC1 modification by Small
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