Stabilization of a semiquinone radical at the high-affinity quinone-binding site (QH) of the Escherichia coli bo-type ubiquinol oxidase.

abstract：:Treatment of the myeloid cell lines, U-937 or HL-60, with 10 nM of the phorbol ester, 12-O-tetradecanoylphorbol-13-acetate (TPA), for 24 h increased the rate of incorporation of [3H]glycerol into total chloroform extracts. A proportionally greater labeling of the non-polar lipid (NL) fraction compared to the polar, ph...

journal_title：FEBS letters

authors： Ponzoni M,DeBell KE,Hoffman T,Bonvini E

更新日期：1990-12-10 00:00:00

abstract：:The carbohydrate binding properties of jacalin lectin were examined using RAF9 cell-derived D-[6-3H]glucosamine-radiolabeled total glycopeptides containing N-linked and O-linked oligosaccharides. The binding of N-linked glycopeptides to jacalin was abolished by treatment of alpha-galactosidase whereas O-linked glycope...

journal_title：FEBS letters

authors： Do SI,Lee KY

更新日期：1998-01-09 00:00:00

abstract：:1H NMR spectra of skinned rabbit muscle fibers show a group of relatively sharp resonance lines which presumably originate from highly mobile protein domains. Comparison with the spectrum of myosin subfragment 1 suggests that these signals may come at least partly from mobile regions of the myosin head. NMR could poss...

journal_title：FEBS letters

authors： Kalbitzer HR,Schrumpf M,Wray J

更新日期：1992-02-24 00:00:00

abstract：:AQP3 is a water/glycerol transporter expressed at the basolateral membrane of colonic epithelial cells. Although AQPs are expressed in the gastrointestinal tract, their effect on intestinal barrier has not been clear. Here, we showed that knockdown of AQP3 caused a dramatic, dose-dependent increase in E. coli C25 tran...

journal_title：FEBS letters

authors： Zhang W,Xu Y,Chen Z,Xu Z,Xu H

更新日期：2011-10-03 00:00:00

abstract：:The metastasis suppressor KAI1/CD82 has been implicated in various cellular processes; however, its function in development is not fully understood. Here, we generated and characterized mutants of Tsp66E and Tsp74F, which are Drosophila homologues of KAI1/CD82 and Tspan11, respectively. These mutants exhibited egg elo...

journal_title：FEBS letters

authors： Han SY,Lee M,Hong YK,Hwang S,Choi G,Suh YS,Park SH,Lee S,Lee SH,Chung J,Baek SH,Cho KS

更新日期：2012-11-16 00:00:00

abstract：:Human ECE-1 is expressed in four isoforms with different tissue distribution and its mRNA and protein levels are altered under certain pathophysiological conditions. To investigate the transcriptional regulation of ECE-1, we studied the regulatory region of ECE-1c, the major ECE-1 isoform. A genomic clone comprising t...

journal_title：FEBS letters

authors： Funke-Kaiser H,Bolbrinker J,Theis S,Lemmer J,Richter CM,Paul M,Orzechowski HD

更新日期：2000-01-28 00:00:00

abstract：:Using antibody against the Rho binding domain of ROKalpha, two neuronal phosphoproteins of 62 and 80 kDa were co-immunoprecipitated from brain extracts. Peptide analysis revealed their identity as collapsin response mediator proteins (CRMPs); p62 was CRMP-2 whereas p80 was a novel splice form of CRMP-1 with an extende...

journal_title：FEBS letters

authors： Leung T,Ng Y,Cheong A,Ng CH,Tan I,Hall C,Lim L

更新日期：2002-12-18 00:00:00

abstract：:The structure of the complex of Ras with the Ras-binding domain of its effector RalGDS (RGS-RBD), the first genuine Ras-effector complex, has been solved by X-ray crystallography. As with the Rap-RafRBD complex (Nasser et al., 1995), the interaction is via an inter-protein beta-sheet between the switch I region of Ras...

journal_title：FEBS letters

authors： Vetter IR,Linnemann T,Wohlgemuth S,Geyer M,Kalbitzer HR,Herrmann C,Wittinghofer A

更新日期：1999-05-21 00:00:00

abstract：:An efficient sensing of danger and a rapid activation of the immune system are crucial for the survival of plants. Conserved pathogen/microbe-associated molecular patterns (PAMPs/MAMPs) and endogenous molecular patterns, which are present only when the tissue is infected or damaged (damage-associated molecular pattern...

journal_title：FEBS letters

authors： De Lorenzo G,Brutus A,Savatin DV,Sicilia F,Cervone F

更新日期：2011-06-06 00:00:00

abstract：:The ARG-11 gene in Saccharomyces cerevisiae encodes a protein with the characteristic features of a family of 35 related membrane proteins that are encoded in the fungal genome. Some of them are known to transport various substrates and products across the inner membranes of mitochondria, but the functions of 29 membe...

journal_title：FEBS letters

authors： Palmieri L,De Marco V,Iacobazzi V,Palmieri F,Runswick MJ,Walker JE

更新日期：1997-06-30 00:00:00

abstract：:Metabolic activities of orexin A (OXA) in mature adipocytes are mediated via PI3K/PKB and PPARγ. However, the effects of OXA on preadipocytes are largely unknown. We report here that OXA stimulates the proliferation and viability of 3T3-L1 preadipocytes and protects them from apoptosis via ERK1/2, but not through PKB....

journal_title：FEBS letters

authors： Skrzypski M,Kaczmarek P,Le TT,Wojciechowicz T,Pruszyńska-Oszmalek E,Szczepankiewicz D,Sassek M,Arafat A,Wiedenmann B,Nowak KW,Strowski MZ

更新日期：2012-11-30 00:00:00

abstract：:Alterations in both calcitonin (CT) secretion and plasma calcium were recently described in adult obese Zucker rats. We have investigated the CT biosynthetic activity of thyroid glands in 30-day-old obese Zucker rats (fa/fa), and their controls (Lean). Plasma calcium level was significantly increased (+0.6 mg/dl) in o...

journal_title：FEBS letters

authors： Segond N,Jullienne A,Tahri EH,Garel JM

更新日期：1984-08-20 00:00:00

abstract：:The small GTPase Rho1 plays an essential role in controlling the organization of the actin cytoskeleton and synthesis of the cell wall in the fission yeast Schizosaccharomyces pombe. Here we studied the role of Rho5 whose primary structure is very similar to that of Rho1. It was found that elevated expression of Rho5 ...

journal_title：FEBS letters

authors： Nakano K,Arai R,Mabuchi I

更新日期：2005-09-26 00:00:00

abstract：:The oleosin glycine-rich protein genes Atgrp-6, Atgrp-7, and Atgrp-8 occur in clusters in the Arabidopsis genome and are expressed specifically in the tapetum cells. The cis-regulatory regions involved in the tissue-specific gene expression were investigated by fusing different segments of the gene cluster to the uidA...

journal_title：FEBS letters

authors： Franco LO,de O Manes CL,Hamdi S,Sachetto-Martins G,de Oliveira DE

更新日期：2002-04-24 00:00:00

abstract：:The 40 N-terminal amino acids of the 20 kDa antigen A2 from Brucella melitensis were sequenced and showed important similarities with 4 bacterioferrins. A monoclonal antibody raised against this antigen cross-reacted with Escherichia coli bacterioferritin. Hybridization of two sets of degenerate primers with B. melite...

journal_title：FEBS letters

authors： Denoel PA,Zygmunt MS,Weynants V,Tibor A,Lichtfouse B,Briffeuil P,Limet JN,Letesson JJ

更新日期：1995-03-20 00:00:00

abstract：:Recombinant cell lines expressing D2 and D3 dopamine receptor isoforms have been used to study coupling of these receptors to G-proteins from the effects of GTP to reduce agonist binding affinities in agonist/[3H]spiperone competition experiments. D2(short) expressed in Ltk- cells, D2(long) expressed in Ltk- or CHO ce...

journal_title：FEBS letters

authors： Castro SW,Strange PG

更新日期：1993-01-11 00:00:00

abstract：:Tropomodulin, the P-end (slow-growing end)-capping protein of the actin-tropomyosin filament, and its fragment (C20) of the C-terminal half were studied by synchrotron small-angle X-ray scattering, restoring low-resolution shapes using an ab initio shape-determining procedure. Tropomodulin is elongated (115 A long) an...

journal_title：FEBS letters

authors： Fujisawa T,Kostyukova A,Maéda Y

更新日期：2001-06-01 00:00:00

abstract：:Pleckstrin homology (PH) domains are protein modules found in proteins involved in many cellular processes. The majority of PH domain-containing proteins require membrane association for their function. It has been shown that most PH domains interact directly with the cell membrane by binding to phosphoinositides with...

journal_title：FEBS letters

authors： Maffucci T,Falasca M

更新日期：2001-10-12 00:00:00

abstract：:We previously showed that P4-ATPases, ATP10A/ATP8B1, and ATP11A/ATP11C have flippase activities toward phosphatidylcholine (PC), and aminophospholipids [phosphatidylserine (PS) and phosphatidylethanolamine], respectively. Here, we investigate the effect of PC-specific flippases versus aminophospholipid-specific flippa...

journal_title：FEBS letters

authors： Miyano R,Matsumoto T,Takatsu H,Nakayama K,Shin HW

更新日期：2016-07-01 00:00:00

abstract：:The dinuclear paramagnetic center of the soluble CuA domain of the cytochrome c oxidase from Bacillus subtilis has been studied using 1H NMR. The spectrum possesses remarkably sharp shifted resonances. Comparison with the spectrum of the CuA amicyanin variant provides the spin density distribution in the CuA site of c...

journal_title：FEBS letters

authors： Dennison C,Berg A,de Vries S,Canters GW

更新日期：1996-10-07 00:00:00

abstract：:Niemann-Pick C (NPC) disease is a progressive neurological disorder in which cholesterol, gangliosides and bis-monoacylglycerol phosphate accumulate in late endosomes/lysosomes. This disease is caused by mutations in either the NPC1 or NPC2 gene. NPC1 and NPC2 are involved in egress of lipids, particularly cholesterol...

journal_title：FEBS letters

authors： Vance JE

更新日期：2006-10-09 00:00:00

abstract：:Connexin 43 (Cx43) hemichannels may form open channels in the plasma membrane when exposed to specific stimuli, e.g. reduced extracellular concentration of divalent cations, and allow passage of fluorescent molecules and presumably a range of smaller physiologically relevant molecules. However, the permeability profil...

journal_title：FEBS letters

authors： Hansen DB,Braunstein TH,Nielsen MS,MacAulay N

更新日期：2014-04-17 00:00:00

abstract：:The operation of the human red cell glucose transporter has been studied at normal and high hydrostatic pressure to identify the step(s) which involve a volume change. Pressure inhibited zero-trans and equilibrium exchange influx to similar extents, by decreasing the Vmax but not significantly changing the Km. The Bma...

journal_title：FEBS letters

authors： Thorne SD,Hall AC,Lowe AG

更新日期：1992-04-27 00:00:00

abstract：:The Ca(2+)-calmodulin dependent protein phosphatase, calcineurin, is thought to mediate the action of the two immunosuppressants, cyclosporin A (CsA) and FK506. Calcineurin from all species consists of a catalytic A subunit and a regulatory peptide B, which plays an essential role in catalysis. The enzymatic function ...

journal_title：FEBS letters

authors： Chaudhuri B,Hämmerle M,Fürst P

更新日期：1995-01-03 00:00:00

abstract：:Growth of regenerating lung lobes is preceded by an increase of the activity of L-ornithine decarboxylase (ODC). Mechanical factors play a role in determining both the growth rate and enhancement of activity of ODC in regenerating lung lobes. Hormonal regulation also appears of importance as shown by the increased ODC...

journal_title：FEBS letters

authors： Tatár-Kiss S,Bardócz S,Kertai P

更新日期：1984-09-17 00:00:00

abstract：:Osteoblastic cells have been shown to be involved in osteoclast formation through cell to cell contacts. This study was designed to examine the possible function of vascular cell adhesion molecule 1 (VCAM-1) during osteoclastogenesis. As a source for stromal cells we used the recently established mouse bone marrow str...

journal_title：FEBS letters

authors： Feuerbach D,Feyen JH

更新日期：1997-01-27 00:00:00

abstract：:We have isolated a 1785-bp complementary DNA (cDNA) encoding the murine P2X7 receptor subunit from NTW8 mouse microglial cells. The encoded protein has 80%, and 85% homology to the human and rat P2X7 subunits, respectively. Functional properties of the heterologously expressed murine P2X7 homomeric receptor broadly re...

journal_title：FEBS letters

authors： Chessell IP,Simon J,Hibell AD,Michel AD,Barnard EA,Humphrey PP

更新日期：1998-11-13 00:00:00

abstract：:LncRNAs have a critical role in the regulation of cellular processes such as cancer progression and metastasis. In the present study, we confirmed that TUG1 was overexpressed in bladder cancer tissues and established cell lines. Knockdown of TUG1 inhibited bladder cancer cell metastasis both in vitro and in vivo. Furt...

journal_title：FEBS letters

authors： Tan J,Qiu K,Li M,Liang Y

更新日期：2015-10-07 00:00:00

abstract：:The nitration of tyrosine residues in protein occurs through the action of reactive oxygen and nitrogen species and is considered a marker of oxidative stress under pathological conditions. The most active nitrating species so far identified is peroxynitrite, the product of the reaction between nitric oxide and supero...

journal_title：FEBS letters

authors： Mallozzi C,Di Stasi AM,Minetti M

更新日期：2001-08-17 00:00:00

abstract：:Fas/FasL interactions have been proposed as a potentially important mechanism mediating beta-cell death in type 1 diabetes. Recent investigations suggest RNA interference, afforded by small interfering RNAs (siRNA), can provide specific and robust gene silencing in mammalian cells. The current study attempted to inves...

journal_title：FEBS letters

authors： Burkhardt BR,Lyle R,Qian K,Arnold AS,Cheng H,Atkinson MA,Zhang YC

更新日期：2006-01-23 00:00:00