PAI-1 deficiency reduces liver fibrosis after bile duct ligation in mice through activation of tPA.

abstract：:The ATPase activity of DnaK, the 70-kDa chaperone of Escherichia coli, is stimulated by an unfolded protein. However, the stimulation of the DnaK ATPase by unfolded bovine pancreatic trypsin inhibitor can only be observed at low DnaK protein concentrations. At higher DnaK concentrations, the ATPase activity of DnaK ca...

journal_title：FEBS letters

authors： Richarme G,Kohiyama M

更新日期：1993-05-17 00:00:00

abstract：:The yeast PMR2/ENA1 gene encodes an ATPase involved in sodium extrusion and induced by NaCl. At low salt concentrations (0.3 M) induction is mediated by the HOG-MAP kinase pathway, a system activated by non-specific osmotic stress. At high salt concentrations (0.8 M) induction is mediated by the protein phosphatase ca...

journal_title：FEBS letters

authors： Márquez JA,Serrano R

更新日期：1996-03-11 00:00:00

abstract：:The receptor structure of Clostridium botulinum neurotoxin type A was analysed by TLC immunostaining. GQ1b was found to be the most potent receptor, and the neurotoxin also bound to GT1b and GD1a, but not to GM3, GM2, GM1, GD3, GD1b and GT1a. Optimum binding of neurotoxin to the ganglioside appeared in 0.01 M phosphat...

journal_title：FEBS letters

authors： Takamizawa K,Iwamori M,Kozaki S,Sakaguchi G,Tanaka R,Takayama H,Nagai Y

更新日期：1986-06-09 00:00:00

abstract：:The relevance of MDR-1 gene expression to the multidrug resistance phenotype was investigated. Drug-resistant cells, KB-V1 and MCF7/ADR, constantly expressed mRNA of the MDR-1 gene and were more resistant to vinblastine and adriamycin than drug-sensitive cells, KB-3-1 and MCF7. The drug efflux rate of KB-V1 was the sa...

journal_title：FEBS letters

authors： Kim HM,Oh GT,Hong DH,Kim MS,Kang JS,Park SM,Han SB

更新日期：1997-07-21 00:00:00

abstract：:Proteins containing the caspase recruiting domain (CARD) have emerged as critical regulators of different signal transduction pathways, including those controlling apoptosis and activation of necrosis factor (NF)-kappaB transcription factor. TUCAN/CARDINAL is a recently identified CARD-containing protein involved in r...

journal_title：FEBS letters

authors： Stilo R,Leonardi A,Formisano L,Di Jeso B,Vito P,Liguoro D

更新日期：2002-06-19 00:00:00

abstract：:Differentiation enhancing factor (DEF) is a 29 kDa protein expressed in murine erythroleukemia (MEL) cells and active in promoting a significant increase in the rate of hexamethylenebisacetamide induced differentiation of these cells. The factor was recently shown to possess an amino acid sequence identical to that re...

journal_title：FEBS letters

authors： Melloni E,Sparatore B,Patrone M,Pessino A,Passalacqua M,Pontremoli S

更新日期：1995-07-24 00:00:00

abstract：:Previously determined protein structures have been analysed, in order to find folding motifs similar to that proposed by NMR spectroscopy, for the N-terminal, 14 kDa fragment of the Ada protein. The analyses reveal only limited similarities with the NMR-derived structural data and strongly suggest that this region of ...

journal_title：FEBS letters

authors： Swindells MB

更新日期：1993-06-01 00:00:00

abstract：:Intracellular accumulation of anthracycline derivatives was measured in a human embryonic kidney cell line (HEK) and a resistant subline (HEK/multidrug resistance protein (MRP1)) overexpressing MRP1 at the plasma membrane surface. Two compounds (daunorubicin and doxorubicin) were rejected outside the multidrug-resista...

journal_title：FEBS letters

authors： Manciu L,Chang X,Riordan JR,Buyse F,Ruysschaert JM

更新日期：2001-03-23 00:00:00

abstract：:Incubation of HER14 cells with phorbol myristate acetate (PMA) decreases epidermal growth factor (EGF)-dependent protein tyrosine phosphorylation, except for a 40-kDa MAP kinase II-like protein, whose tyrosine phosphorylation is further enhanced. The inhibitory effect of PMA on EGF-dependent protein tyrosine phosphory...

journal_title：FEBS letters

authors： Errasfa M,Stern A

更新日期：1994-02-14 00:00:00

abstract：:Designed mutations within the Streptomyces lividans kcsA gene resulted in a set of mutant proteins, which were characterized in respect to their assembly and channel activities. (i) The amino acid residue leucine 81 located at the external side of KcsA was found to be exchangeable by a cysteine residue without affecti...

journal_title：FEBS letters

authors： Splitt H,Meuser D,Borovok I,Betzler M,Schrempf H

更新日期：2000-04-21 00:00:00

abstract：:Oxidative stress and an increase in the levels of free radicals are important markers associated with several pathologies, including Alzheimer's disease, cancer and diabetes. Friedreich's ataxia (FRDA) is an excellent paradigmatic example of a disease in which oxidative stress plays an important, albeit incompletely u...

journal_title：FEBS letters

authors： Lupoli F,Vannocci T,Longo G,Niccolai N,Pastore A

更新日期：2018-03-01 00:00:00

abstract：:We studied the effects of fibroblast growth factor (FGF-10) on alveolar epithelial cell (AEC) Na,K-ATPase regulation. Within 30 min FGF-10 increased Na,K-ATPase activity and alpha1 protein abundance by 2.5-fold at the AEC plasma membrane. Pretreatment of AEC with the mitogen-activated protein kinase (MAPK) inhibitor U...

journal_title：FEBS letters

authors： Upadhyay D,Lecuona E,Comellas A,Kamp DW,Sznajder JI

更新日期：2003-06-19 00:00:00

abstract：:The scorpion toxin peptide BeKm-1 was synthesised by fluorenylmethoxycarbonyl solid phase chemistry and folded by air oxidation. The peptide's effects on heterologous human ether-a-go-go-related gene potassium current (I(HERG)) in HEK293 cells were assessed using 'whole-cell' patch clamp. Blockade of I(HERG) by BeKm-1...

journal_title：FEBS letters

authors： Milnes JT,Dempsey CE,Ridley JM,Crociani O,Arcangeli A,Hancox JC,Witchel HJ

更新日期：2003-07-17 00:00:00

abstract：:hTrp3 is a human homologue of the Drosophila gene responsible for a transient receptor potential (trp) mutation. When stably expressed in HEK293 cells, hTrp3 formed ion channels that were active under resting conditions but could be further stimulated by carbachol or ATP via endogenous muscarinic or purinergic recepto...

journal_title：FEBS letters

authors： Hurst RS,Zhu X,Boulay G,Birnbaumer L,Stefani E

更新日期：1998-02-06 00:00:00

abstract：:The structural characteristics of the three nuclear phosphoproteins of the high mobility group A family are outlined and related to their participation in chromatin structure alteration in many biological processes such as gene expression, neoplastic transformation, differentiation, and apoptosis. The elevated express...

journal_title：FEBS letters

authors： Sgarra R,Rustighi A,Tessari MA,Di Bernardo J,Altamura S,Fusco A,Manfioletti G,Giancotti V

更新日期：2004-09-10 00:00:00

abstract：:Alterations in protein composition or dosage within chromatin may trigger changes in processes such as gene expression and DNA repair. Through transposon mutagenesis and targeted gene deletions in haploids and diploids of Saccharomyces cerevisiae, we identified mutations that affect telomeric silencing in genes encodi...

journal_title：FEBS letters

authors： Benbow SZ,DuBois ML

更新日期：2008-02-20 00:00:00

abstract：:It is demonstrated by filter-binding assay that casein kinase 2 from Rana temporaria oocytes binds rRNA in vitro with high affinity. Ligand-blotting shows that rRNA-binding activity is inherent to alpha and alpha' subunits of the enzyme. Increase of pH from 6.5 to 7.5 has little effect on casein kinase but completely ...

journal_title：FEBS letters

authors： Kandror KV,Kapkov DV,Turapov OA,Stepanov AS

更新日期：1991-06-03 00:00:00

abstract：:The secretion mechanisms of cathepsin L from osteoclasts in the process of bone resorption were investigated. The increases in bone pit numbers formed take place by PTH addition in parallel with the increases of cathepsin L and/or L-like proteinase activities in the culture medium of bone cells, and these were suppres...

journal_title：FEBS letters

authors： Tagami K,Kakegawa H,Kamioka H,Sumitani K,Kawata T,Lenarcic B,Turk V,Katunuma N

更新日期：1994-04-11 00:00:00

abstract：:Little is known about the mechanisms underlying calcium-induced Ca2+ release (CICR) in plants. The slow-activating vacuolar (SV) channel is both permeable to, and activated by Ca2+, and is therefore a prime candidate for a role in CICR. Cytosol-side-out vacuolar membrane vesicles loaded with 45Ca2+ showed voltage- and...

journal_title：FEBS letters

authors： Bewell MA,Maathuis FJ,Allen GJ,Sanders D

更新日期：1999-09-10 00:00:00

abstract：:Acid extracts of rat pituitary neuro-intermediate lobes have been shown by ion-exchange chromatography and radio-immunoassay to contain predominantly the inactive derivatives of beta-endorphin, alpha, N-acetyl beta-endorphin 1-27 and alpha, N-acetyl beta-endorphin 1-26; the biologically active form, beta-endorphin 1-3...

journal_title：FEBS letters

authors： Ham J,Smyth DG

更新日期：1984-10-01 00:00:00

abstract：:Fatty acid hydroperoxide lyase (HPL) is a novel P-450 enzyme that cleaves fatty acid hydroperoxides to form short-chain aldehydes and oxo-acids. In cucumber seedlings, the activities of both fatty acid 9HPL and 13HPL could be detected. High 9HPL activity was especially evident in hypocotyls. Using a polymerase chain r...

journal_title：FEBS letters

authors： Matsui K,Ujita C,Fujimoto S,Wilkinson J,Hiatt B,Knauf V,Kajiwara T,Feussner I

更新日期：2000-09-15 00:00:00

abstract：:In plant organelle genomes, homeologous recombination between heteroallelic positions of repetitive sequences is increased by dysfunction of the gene encoding MutS homolog 1 (MSH1), a plant organelle-specific homolog of bacterial mismatch-binding protein MutS1. The C-terminal region of plant MSH1 contains the GIY-YIG ...

journal_title：FEBS letters

authors： Fukui K,Harada A,Wakamatsu T,Minobe A,Ohshita K,Ashiuchi M,Yano T

更新日期：2018-12-01 00:00:00

abstract：:The possible participation of calmodulin in the activation of store-operated Ca2+ entry (SOC) in single rat hepatocytes was investigated microspectrofluorimetrically. SOC was triggered after discharging intracellular Ca2+ stores using the endoplasmic reticulum Ca2+-ATPase inhibitor thapsigargin in the absence of exter...

journal_title：FEBS letters

authors： Cao Y,Chatton JY

更新日期：1998-03-06 00:00:00

abstract：:The photochemical reaction center of Chloroflexus (Cf.) aurantiacus, a membrane bound pigment-protein complex, has been crystallized in the presence of monodisperse polyoxyethylene detergents. The crystals possessed a pronounced polymorphism. Three different crystal forms belonging to triclinic, monoclinic and orthorh...

journal_title：FEBS letters

authors： Feick R,Ertlmaier A,Ermler U

更新日期：1996-11-04 00:00:00

abstract：:Poly-ADP ribosylation of nuclear proteins is activated when poly(ADP-ribose) polymerase (PARP), a nuclear zinc-finger enzyme, binds to single-strand DNA breaks. To understand how the signal emerging from its DNA-binding domain (DBD) bound to such breaks is transduced to its catalytic domain, the structure-function rel...

journal_title：FEBS letters

authors： Trucco C,Flatter E,Fribourg S,de Murcia G,Ménissier-de Murcia J

更新日期：1996-12-16 00:00:00

abstract：:Rho family small GTPases regulate lymphocyte migration induced by chemokines. However, how lymphocyte migration is regulated by Rho GTPases remains to be elucidated. Here, we identified FilGAP, a Rac-specific GAP, as a negative regulator of lymphocyte polarization and migration. Depletion of FilGAP in mouse pro-B BAF ...

journal_title：FEBS letters

authors： Iida T,Saito K,Katagiri K,Kinashi T,Ohta Y

更新日期：2016-05-01 00:00:00

abstract：:A functional NAD molecule was immobilized at the active site of Alcohol dehydrogenase within a proteic membrane. The presence and the functionality of the cofactor was checked by fluorescence analysis. The dehydrogenase NAD membrane does not require addition of soluble cofactor for its activity. The system represents ...

journal_title：FEBS letters

authors： Legoy MD,le Moullec JM,Thomas D

更新日期：1978-10-15 00:00:00

abstract：:The RhoGTPase Rac1 is activated in a polarised fashion and controls cell motility. We previously showed that Rac1 binds the PP2A inhibitor SET and recruits nuclear SET to the cytosol. We show that a SET mutant, lacking a nuclear localization signal, SET(ΔNLS), promotes cell spreading and motility. This was accompanied...

journal_title：FEBS letters

authors： Lam BD,Anthony EC,Hordijk PL

更新日期：2013-01-16 00:00:00

abstract：:Anthrax is a severe bacterial infection that occurs when Bacillus anthracis spores gain access into the body and germinate in macrophages, causing septicemia and toxemia. Anthrax toxin is a binary A-B toxin composed of protective antigen (PA), lethal factor (LF), and edema factor (EF). PA mediates the entry of either ...

journal_title：FEBS letters

authors： Ascenzi P,Visca P,Ippolito G,Spallarossa A,Bolognesi M,Montecucco C

更新日期：2002-11-20 00:00:00

abstract：:Bovine globin has been incubated with mice peritoneal macrophages in order to study its hydrolysis by lysosomal enzymes, among which chiefly cathepsin D. Analysis of resulting peptides, by reversed-phase high-performance liquid chromatography (RP-HPLC), showed the release of a bioactive peptide, VV-hemorphin-7. When a...

journal_title：FEBS letters

authors： Dagouassat N,Garreau I,Sannier F,Zhao Q,Piot JM

更新日期：1996-03-11 00:00:00