Na+, K+-specific inhibition of protein and peptide hydrolyses by proteasomes from human hepatoma tissues.

abstract：:The peptidic siderophore pyoverdine is the primary iron uptake system of fluorescent pseudomonads, and a virulence factor in the opportunistic pathogen Pseudomonas aeruginosa. Pyoverdine biogenesis is a co-ordinate process requiring several precursor-generating enzymes and large nonribosomal peptide synthetases (NRPSs...

journal_title：FEBS letters

authors： Imperi F,Visca P

更新日期：2013-11-01 00:00:00

abstract：:Stimulated production of reactive oxygen species (ROS) by plasma membrane-associated nicotinamide adenine dinucleotide phosphate oxidases (Nox) in non-phagocytic cells regulates a number of biological processes including growth, vessel tone, and oxygen sensing. The purpose of this study was to investigate H(2)O(2)-sti...

journal_title：FEBS letters

authors： Colston JT,de la Rosa SD,Strader JR,Anderson MA,Freeman GL

更新日期：2005-04-25 00:00:00

abstract：:Although signal transducer and activator of transcription 1 (STAT1) mediated regulation of p53 transcription and apoptosis has been previously reported, modulation of other members of the p53 family of transcription factors remains poorly understood. In this study, we found that STAT1 and TA-p73 can interact directly ...

journal_title：FEBS letters

authors： Soond SM,Carroll C,Townsend PA,Sayan E,Melino G,Behrmann I,Knight RA,Latchman DS,Stephanou A

更新日期：2007-03-20 00:00:00

abstract：:Human natural killer (NK) cells possess an arsenal of receptors programmed to regulate the NK cell functions, once encountering a target cell. In general, the activating receptors mediate cytotoxicity when engaged by their tumor specific, stress induced, virally encoded, or rarely, self ligands. Whereas, the inhibitor...

journal_title：FEBS letters

authors： Stanietsky N,Mandelboim O

更新日期：2010-12-15 00:00:00

abstract：:Human preimplantation developmental studies are difficult to accomplish due to associated ethical and moral issues. Preimplantation cells are rare and exist only in transient cell states. From a single cell, it is very challenging to analyse the origination of the heterogeneity and complexity inherent to the human bod...

journal_title：FEBS letters

authors： Otte J,Wruck W,Adjaye J

更新日期：2017-08-01 00:00:00

abstract：:Mammalian voltage-activated Shaker K+ channels associate with at least three cytoplasmic proteins: Kv beta 1, Kv beta 2 and Kv beta 3. These beta subunits contain variable N-termini, which can modulate the inactivation of Shaker alpha subunits, but are homologous throughout an aldo-keto reductase core. Human and ferre...

journal_title：FEBS letters

authors： McCormack K,McCormack T,Tanouye M,Rudy B,Stühmer W

更新日期：1995-08-14 00:00:00

abstract：:Treatment of MCF-7 breast cancer cells with 50 nM okadaic acid triggers an apoptotic response which is accompanied by a 7-fold increase in the activity of a protein kinase with a relative molecular mass of 53 kDa. The activity of the kinase was stimulated by cell treatment with inhibitors of phosphoprotein phosphatase...

journal_title：FEBS letters

authors： Rossini GP,Pinna C,Viviani R

更新日期：1997-06-30 00:00:00

abstract：:We studied the effect of acrolein, an alpha,beta-unsaturated aldehyde that causes adduct-modification of lysine, cysteine, and histidine residues, on antithrombin, a key anticoagulant serpin. Intrinsic fluorescence, functionality (anti-FXa and anti-IIa activity), heparin affinity and conformational features of plasma ...

journal_title：FEBS letters

authors： Martínez-Martínez I,Ordóñez A,Guerrero JA,Pedersen S,Miñano A,Teruel R,Velázquez L,Kristensen SR,Vicente V,Corral J

更新日期：2009-10-06 00:00:00

abstract：:The state of assembly of the pyruvate and 2-oxoglutarate dehydrogenase multienzyme complexes was examined after the dihydrolipoyl acyltransferase (E2) component of each enzyme system had been subjected to varying degrees of limited proteolysis. Dissociation of the dihydrolipoyl dehydrogenase (E3) component accompanied...

journal_title：FEBS letters

authors： Packman LC,Perham RN

更新日期：1986-10-06 00:00:00

abstract：:We have studied the interaction of the yeast RAS2 protein with guanine nucleotides using energetic parameters for the dissociation of RAS.nucleotide complexes. The results indicated that a Gly-->Ser substitution at position 82 led to an altered interaction with GppNHp and, to a lesser extent, also with GDP. It was als...

journal_title：FEBS letters

authors： De Vendittis E,Fasano O

更新日期：1994-06-27 00:00:00

abstract：:A central step in xanthone biosynthesis is the formation of the C13 skeleton, i.e. an intermediate benzophenone. Biosynthesis of 2,3',4,6-tetrahydroxybenzophenone from m-hydroxybenzoyl-CoA and malonyl-CoA was shown in cell-free extracts from cultured cells of Centaurium erythraea. The enzyme catalyzing this reaction w...

journal_title：FEBS letters

authors： Beerhues L

更新日期：1996-04-01 00:00:00

abstract：:Rab5 GTPases are master regulators of early endosome biogenesis and transport. The genome of Saccharomyces cerevisiae encodes three Rab5 proteins: Vps21, the major isoform, Ypt52 and Ypt53. Here, we show that Vps21 is the most abundant Rab5 protein and Ypt53 is the least abundant. In stressed cells, Ypt53 levels incre...

journal_title：FEBS letters

authors： Schmidt O,Weyer Y,Fink MJ,Müller M,Weys S,Bindreither M,Teis D

更新日期：2017-09-01 00:00:00

abstract：:Spermatid-specific thioredoxin-1 (Sptrx-1) is the first member of the thioredoxin family of proteins with a tissue-specific expression pattern, found exclusively in the tail of elongating spermatids and spermatozoa. We describe here further biochemical characterization of human Sptrx-1 protein structure and enzymatic ...

journal_title：FEBS letters

authors： Jiménez A,Johansson C,Ljung J,Sagemark J,Berndt KD,Ren B,Tibbelin G,Ladenstein R,Kieselbach T,Holmgren A,Gustafsson JA,Miranda-Vizuete A

更新日期：2002-10-23 00:00:00

abstract：:The amino acid sequence of EcoRV DNA methyltransferase which methylates the amino group of the 5'-adenine residue of the target sequence GATATC has been found to be closely related to that of three other adenine methyltransferases, DpnII, dam and damT4, the target sequence of which is GATC. Despite large differences o...

journal_title：FEBS letters

authors： Lauster R,Kriebardis A,Guschlbauer W

更新日期：1987-08-10 00:00:00

abstract：:This work describes the molecular cloning of a variant isoform of the low-affinity levocabastine-sensitive neurotensin receptor isolated from mouse brain. Although the corresponding mRNA encodes for a 282 amino acid protein unable to bind neurotensin after transient transfection in COS-7 cells, this non-functional neu...

journal_title：FEBS letters

authors： Botto JM,Sarret P,Vincent JP,Mazella J

更新日期：1997-01-03 00:00:00

abstract：:Helical filaments of bacterial flagella are built up by a self-assembly process from thousands of flagellin subunits. To clarify how the disordered terminal regions of flagellin interact upon filament formation, polymerization ability of various terminally truncated fragments was investigated. Fragments deprived of 19...

journal_title：FEBS letters

authors： Gugolya Z,Muskotál A,Sebestyén A,Diószeghy Z,Vonderviszt F

更新日期：2003-01-30 00:00:00

abstract：:Peptide T, an octapeptide of sequence ASTTTNYT that binds to human T cells, was studied as a zwitterion in DMSOd6 solution by means of proton NMR spectroscopy at 500 MHz. The unusual dispersion of the resonances of residues of the same type (T) makes it possible to assign all resonances to specific residues by means o...

journal_title：FEBS letters

authors： Picone D,Temussi PA,Marastoni M,Tomatis R,Motta A

更新日期：1988-04-11 00:00:00

abstract：:Though phospholipase C PLCgamma2 is known to play an important role in platelet activation by collagen and fibrinogen, its importance in GPIb-mediated platelet activation is less well understood. To better understand the role of PLCgamma2 in GPIb-mediated adhesion and thrombus formation, we examined the ability of wil...

journal_title：FEBS letters

authors： Rathore V,Wang D,Newman DK,Newman PJ

更新日期：2004-08-27 00:00:00

abstract：:We show that N-1 in adenine of chromosomal DNA is methylated by treatment of metaphase chromosomes with dimethylsulphate while this is not the case in chromatin. The data on methylation are consistent with those obtained from the experiments with S1-nuclease treatment of chromatin and chromosomes. This suggests a disa...

journal_title：FEBS letters

authors： Belyaev ND,Budker VG,Dubrovskaya VA,Matveeva NM

更新日期：1983-04-18 00:00:00

abstract：:The kinetic constants of internalization of asialoorosomucoid were determined for normal and jejuno-ileal by-passed rat hepatocytes. In by-passed rats the maximum velocity of asialoorosomucoid internalization is decreased 3-fold, without any modification of apparant constant of internalization. Moreover, the rate cons...

journal_title：FEBS letters

authors： Serbource-Goguel N,Dodeur M,Borel B,Feger J,Agneray J,Durand G

更新日期：1985-04-22 00:00:00

abstract：:Decarboxylation of pyruvate by pyruvate decarboxylase (EC 4.1.1.1) was performed in a reaction mixture containing 50% deuterium. The isolated product, acetaldehyde, was investigated directly by 1H NMR and by mass spectrometry after conversion to the 2,4-dinitrophenyl hydrazone. The protium content of 56% at acetaldehy...

journal_title：FEBS letters

authors： Ermer J,Schellenberger A,Hübner G

更新日期：1992-03-09 00:00:00

abstract：:The whole-cell patch-clamp technique was used to measure cell membrane capacitance (Cm) to monitor exocytosis in single-cultured bovine prolactin-secreting cells (lactotrophs) of the anterior pituitary. The cells were dialyzed with solutions containing different concentrations of ionised Ca and non-hydrolyzable GTP an...

journal_title：FEBS letters

authors： Sikdar SK,Zorec R,Brown D,Mason WT

更新日期：1989-08-14 00:00:00

abstract：:cGMP has been shown to either activate or inhibit Na,K-ATPase activity. Using mouse brain endothelial cells which express both ouabain-resistant alpha1 and ouabain-sensitive alpha2 and alpha3 isoforms, we show that cGMP reduces total Na,KATPase activity to about 58%. The inhibition is prevented by the protein kinase G...

journal_title：FEBS letters

authors： Pontiggia L,Winterhalter K,Gloor SM

更新日期：1998-10-09 00:00:00

abstract：:Pi binding by the F(1)-ATPase of beef heart mitochondria and of the Escherichia coli plasma membrane (E. coli F(1)) was examined by two methods: the centrifuge column procedure [Penefsky, H.S. (1977) J. Biol. Chem. 252, 2891-2899] and the Paulus pressure dialysis cell [Paulus, H. (1969) Anal. Biochem. 32, 91-100]. The...

journal_title：FEBS letters

authors： Penefsky HS

更新日期：2005-04-11 00:00:00

abstract：:The STARD1 subfamily of 'START' lipid trafficking proteins can reduce macrophage lipid content and inflammatory status (STARD1; StAR), and traffic cholesterol from endosomes (STARD3/MLN64). During macrophage differentiation, STARD1 mRNA and protein increase with sterol content, while the reverse is true for STARD3. St...

journal_title：FEBS letters

authors： Borthwick F,Taylor JM,Bartholomew C,Graham A

更新日期：2009-04-02 00:00:00

abstract：:Rho GTPases participate in various important signaling pathways and have been implicated in myogenic differentiation. Here the first evidence is provided that in C2C12 myoblasts sphingosine 1-phosphate (SPP) rapidly and transiently induced membrane association of Rho A in a pertussis toxin-insensitive manner. The bioa...

journal_title：FEBS letters

authors： Meacci E,Donati C,Cencetti F,Romiti E,Bruni P

更新日期：2000-09-29 00:00:00

abstract：:Transgenically introduced laminin (LN) alpha1 chain prevents muscular dystrophy in LNalpha2 chain deficient mice. We now report increased integrin alpha7Bbeta1D synthesis in dystrophic LNalpha2 chain deficient muscle. Yet, immunofluorescence demonstrated a reduced expression of integrin alpha7B subunit at the sarcolem...

journal_title：FEBS letters

authors： Gawlik KI,Mayer U,Blomberg K,Sonnenberg A,Ekblom P,Durbeej M

更新日期：2006-03-20 00:00:00

abstract：:The recognition of recurrent aberrant regions in cancer is important to the discovery of candidate cancer related genes. Here we first constructed a genome-wide gene expression map of squamous lung carcinoma from the Stanford Microarray Database. High-resolution detection of aberrant chromosomal regions was performed ...

journal_title：FEBS letters

authors： Zhang XY,Hu Y,Cui YP,Miao XP,Tian F,Xia YJ,Wu YQ,Liu X

更新日期：2006-05-15 00:00:00

abstract：:In cultured rat pituitary gonadotrophs, gonadotropin-releasing hormone (GnRH) induces rapid hyperpolarization of the cell membrane and causes cessation of the spontaneous electrical activity present in non-stimulated cells. This initial response to GnRH is followed by slow oscillations of membrane potential (Vm) which...

journal_title：FEBS letters

authors： Kukuljan M,Stojilković SS,Rojas E,Catt KJ

更新日期：1992-04-13 00:00:00

abstract：:Rhizobium sigma vegetative-dependent promoters are different from those of enteric bacteria and have never been characterized before. We report here the biochemical characterization of the ORF1-ntrBC promoter of Rhizobium etli. The minimal promoter region was located by means of a transcriptional fusion and further ch...

journal_title：FEBS letters

authors： Martino M,Riccio A,Defez R,Iaccarino M,Patriarca EJ

更新日期：1996-06-10 00:00:00