Inhibition of Na+/H+ exchange reduces Ca2+ mobilization without affecting the initial cleavage of phosphatidylinositol 4,5-bisphosphate in thrombin-stimulated platelets.

abstract：:The amino acid sequence of the eclosion hormone from the tobacco hornworm Manduca sexta has been determined, using less than 500 pmol of protein and microanalytical techniques. The protein contains 62 amino acid residues and has a molecular mass of 6813 Da. The amino-terminal sequence is similar to that of a 13-residu...

journal_title：FEBS letters

authors： Marti T,Takio K,Walsh KA,Terzi G,Truman JW

更新日期：1987-07-27 00:00:00

abstract：:In hepatocytes from control rats, the ureogenic action of epinephrine is mainly mediated through alpha 1-adrenoceptors and the effect is independent of the presence of extracellular calcium. In hepatocytes from adrenalectomized rats, both alpha 1- and beta-adrenoceptors are involved in the action of epinephrine. Furth...

journal_title：FEBS letters

authors： Hernández-Sotomayor SM,García-Sáinz JA

更新日期：1984-01-30 00:00:00

abstract：:Using a prostate-specific antigen cDNA as a hybridization probe, clones containing the kallikrein genes encoding prostate-specific antigen, human glandular kallikrein-1 and pancreas/kidney kallikrein were isolated from a human genomic library. Clones containing the prostate-specific antigen gene and the human glandula...

journal_title：FEBS letters

authors： Riegman PH,Vlietstra RJ,Klaassen P,van der Korput JA,Geurts van Kessel A,Romijn JC,Trapman J

更新日期：1989-04-10 00:00:00

abstract：:Escherichia coli outer membrane protease OmpT has been characterised as a serine protease based on its inhibitor profile, but serine protease consensus sequences are absent. By site-directed mutagenesis we substituted all conserved serines and histidines. Substitution of His(101) and His(212) by Ala, Asn or Gln result...

journal_title：FEBS letters

authors： Kramer RA,Dekker N,Egmond MR

更新日期：2000-02-25 00:00:00

abstract：:Single-pass sequences were obtained from the 5'-ends of a total of 1794 rose petal cDNA clones. Cluster analysis identified 242 groups of sequences and 635 singletons indicating that the database represents a total of 877 genes. Putative functions could be assigned to 1151 of the transcripts. Expression analysis indic...

journal_title：FEBS letters

authors： Channelière S,Rivière S,Scalliet G,Szecsi J,Jullien F,Dolle C,Vergne P,Dumas C,Bendahmane M,Hugueney P,Cock JM

更新日期：2002-03-27 00:00:00

abstract：:Platelet release products and purified platelet-derived growth factor stimulated the phosphorylation of ribosomal protein S6 in cultured mouse Balb/c 3T3 fibroblasts. The post-nuclear fraction of the stimulated cells was enriched in S6 kinase activity specific for sites resembling those phosphorylated within intact ce...

journal_title：FEBS letters

authors： Wettenhall RE,Chesterman CN,Walker T,Morgan FJ

更新日期：1983-10-03 00:00:00

abstract：:The thermophilic cyanobacterial strain, PCC7518, originally identified as 'Mastigocladus laminosus HTF' does not show branchings or heterocysts. The absence of branchings supports the later assignment to the genus Chlorogloeopsis. The absence of heterocysts may be the result of a mutation because heterocysts were obse...

journal_title：FEBS letters

authors： Wilmotte A,Van der Auwera G,De Wachter R

更新日期：1993-02-08 00:00:00

abstract：:Isolated rat islets of Langerhans permeabilised by high-voltage discharge secreted insulin in response to elevations in Ca2+ over the range 100 nM to 10 microM Ca2+. The phorbol ester, 12-O-tetradecanoylphorbol 13-acetate (TPA), had no effects on insulin secretion in the absence of Ca2+. In the presence of Ca2+ concen...

journal_title：FEBS letters

authors： Jones PM,Stutchfield J,Howell SL

更新日期：1985-10-21 00:00:00

abstract：:Large amounts of refined sequence material in the form of predicted, curated and annotated genes and expressed sequences tags (ESTs) have recently been added to the NCBI databases. We matched the transcript-sequences of RefSeq, Ensembl and dbEST in an attempt to provide an updated overview of how many unique human gen...

journal_title：FEBS letters

authors： Larsson TP,Murray CG,Hill T,Fredriksson R,Schiöth HB

更新日期：2005-01-31 00:00:00

abstract：:Treatment of human lymphoblastoid (Daudi) cells with interferons inhibits cell proliferation in culture within 24 h. The failure of cell growth has been shown to be associated with impaired processing and decreased stability of newly replicated DNA. Because there is a close relationship between DNA replication and pro...

journal_title：FEBS letters

authors： Clemens MJ,McNurlan MA,Moore G,Tilleray VJ

更新日期：1984-06-04 00:00:00

abstract：:Aging is accompanied by troubles resulting from changes in hormonal and nutritional status. Therefore, the abundance of mRNA coding for triiodothyronine (TR) and retinoic acid (RA) nuclear receptors was studied in the brain of young, adult and aged (2.5, 6 and 24 months, respectively) rats. In the brain of aged rats, ...

journal_title：FEBS letters

authors： Enderlin V,Alfos S,Pallet V,Garcin H,Azaïs-Braesco V,Jaffard R,Higueret P

更新日期：1997-08-04 00:00:00

abstract：:We report the first evidence of a mitochondrial NO synthase (mtNOS) in bird skeletal muscle. In vitro, mtNOS activity stimulated by L-arginine reduced intermyofibrillar mitochondrial oxygen uptake and ATP synthesis rates, stimulated endogenous H(2)O(2) generation, but had no effect on oxidative phosphorylation efficie...

journal_title：FEBS letters

authors： Rey B,Roussel D,Teulier L,Eyenga P,Degletagne C,Belouze M,Duchamp C

更新日期：2011-01-03 00:00:00

abstract：:To investigate the importance of the seventh residue of the second and third repeat fragments (R2 and R3 peptides) of the microtubule-binding domain (MBD) for tau filamentous assembly, the residues Lys and Pro were substituted (R2-K7P and R3-P7K). The filament formations of the R2 and R3 peptides were almost lost due ...

journal_title：FEBS letters

authors： Tokimasa M,Minoura K,Hiraoka S,Tomoo K,Sumida M,Taniguchi T,Ishida T

更新日期：2005-07-04 00:00:00

abstract：:The Ras homology (Rho) guanine nucleotide exchange factor p115-RhoGEF couples the alpha(13) heterotrimeric guanine nucleotide binding protein (G protein) subunit to Rho GTPase. Alpha(13) binds to a regulator of G protein signaling (RGS) domain in p115-RhoGEF, but the mechanism of alpha(13) activation of p115-RhoGEF is...

journal_title：FEBS letters

authors： Bhattacharyya R,Wedegaertner PB

更新日期：2003-04-10 00:00:00

abstract：:Lys601 in NADPH-cytochrome P-450 reductase is modified by reductive alkylation with pyridoxal 5'-phosphate (pyridoxylation). Lys601 is protected against modification by the cosubstrate NADP(H). ...

journal_title：FEBS letters

authors： Müller K,Linder D,Lumper L

更新日期：1990-01-29 00:00:00

abstract：:RB, p53 and p21(Sdi1/WAF1/Cip1) interact in the induction of G1 arrest. We established osteosarcoma cell lines in which a tetracycline-regulatable promoter controls the induction of RB, p53 and p21. By using these cell lines, we investigated whether RB, p53 or p21 regulates, in the same manner or differently, expressi...

journal_title：FEBS letters

authors： Ookawa K,Tsuchida S,Kohno T,Yokota J

更新日期：2001-06-29 00:00:00

abstract：:To study Bax-induced release of cytochrome c in vivo, we have expressed a cytochrome c-GFP (green fluorescent protein) fusion in Saccharomyces cerevisiae cells null for the expression of the endogenous cytochrome. We show here that cytochrome c-GFP is efficiently localised to mitochondria and able to function as an el...

journal_title：FEBS letters

authors： Roucou X,Prescott M,Devenish RJ,Nagley P

更新日期：2000-04-14 00:00:00

abstract：:The COP9 signalosome (CSN) is a platform for protein communication in eukaryotic cells. It has an intrinsic metalloprotease that removes the ubiquitin (Ub)-like protein Nedd8 from cullins. CSN-mediated deneddylation regulates culling-RING Ub ligases (CRLs) and controls ubiquitination of proteins involved in DNA damage...

journal_title：FEBS letters

authors： Hannss R,Dubiel W

更新日期：2011-09-16 00:00:00

abstract：:In order to study the transactivational property of the X gene in the methylotropic yeast Pichia pastoris, a Rous sarcoma virus-chloramphenicol acetyltransferase (RSV-CAT) cassette was co-transformed and integrated into the host yeast strain as a reporter which showed an overwhelming CAT activity. Immunoprecipitation ...

journal_title：FEBS letters

authors： Lal SK,Kumar V

更新日期：1999-07-30 00:00:00

abstract：:A reversible two-step (native state<-->denatured state) folding mechanism based on equilibrium and stopped flow experiments is proposed for urea denaturation of the lipoyl-bearing domain (hbLBD) of human mitochondrial branched chain alpha-ketoacid dehydrogenase (BCKD) complex. The results from this circular dichroism ...

journal_title：FEBS letters

authors： Naik MT,Chang YC,Huang TH

更新日期：2002-10-23 00:00:00

abstract：:The human DNA-dependent activator of IFN-regulatory factor (DAI) protein, which activates the innate immune response in response to DNA, contains two tandem Z-DNA binding domains (Zα and Zβ) at the NH(2) terminus. The hZβ(DAI) structure is similar to other Z-DNA binding proteins, although it demonstrates an unusual Z-...

journal_title：FEBS letters

authors： Kim HE,Ahn HC,Lee YM,Lee EH,Seo YJ,Kim YG,Kim KK,Choi BS,Lee JH

更新日期：2011-03-09 00:00:00

abstract：:Platelet-activating factor (PAF) is a phospholipid, intermediate in its structure between diacyl- and lysophospholipids. The reorientation of this highly bioactive compound to the inner membrane layer of human erythrocytes after its primary incorporation into the outer membrane layer has been studied. Reorientation wa...

journal_title：FEBS letters

authors： Schneider E,Haest CW,Deuticke B

更新日期：1986-03-31 00:00:00

abstract：:The folding of HIV gp41 into a 6-helix bundle drives virus-cell membrane fusion. To examine the structural relationship between the 6-helix bundle core domain and other regions of gp41, we expressed in Escherichia coli, the entire ectodomain of HIV-2(ST) gp41 as a soluble, trimeric maltose-binding protein (MBP)/gp41 c...

journal_title：FEBS letters

authors： Lay CS,Wilson KA,Kobe B,Kemp BE,Drummer HE,Poumbourios P

更新日期：2004-06-04 00:00:00

abstract：:Incubation of phosphatidylethanolamine containing liposomes with malondialdehyde and other aldehydes with different chain lengths results in the fluorescence of chromolipids. Relative to malondialdehyde, the fluorescence was greatly enhanced with increasing chain length upon incubation of 2-alkenals with phospholipids...

journal_title：FEBS letters

authors： Montfoort A,Bezstarosti K,Groh MM,Koster JF

更新日期：1987-12-21 00:00:00

abstract：:The metabolite-modulated association of a fraction of hexokinase to mitochondria in brain is well documented, however, the involvement of other non-mitochondrial components in the binding of the hexokinase is controversial. Now we present evidence that the hexokinase binds both tubulin and microtubules in brain in vit...

journal_title：FEBS letters

authors： Wágner G,Kovács J,Löw P,Orosz F,Ovádi J

更新日期：2001-11-30 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：:We have characterized the glucose transport system in the Kc cells of Drosophila melanogaster. The transporter is stereospecific and can be inhibited by both cytochalasin B and phloretin, with ki values of 4 microM and 30 microM for cytochalasin B and phloretin, respectively. Moreover, phlordzin does not affect uptake...

journal_title：FEBS letters

authors： Wang M,Wang C

更新日期：1993-02-15 00:00:00

abstract：:The collecting duct epithelium originates from the embryonic ureter by branching morphogenesis. Ontogeny-dependent changes of CFTR mRNA expression were assessed by quantitative reverse transcriptase-polymerase chain reaction (RT-PCR) in primary monolayer cultures of rat ureteric buds (UB) and cortical collecting ducts...

journal_title：FEBS letters

authors： Huber S,Braun G,Burger-Kentischer A,Reinhart B,Luckow B,Horster M

更新日期：1998-02-27 00:00:00

abstract：:Scorpion toxins have been found lacking effect on Na(+) current of its own sodium channel, whereas the molecular mechanism remains mystery. In this study, the binding affinity of pharmacologically distinct scorpion toxins was found much weaker to scorpion (Buthus martensii) nerve synaptosomes than to spider (Ornithoct...

journal_title：FEBS letters

authors： Zuo XP,He HQ,He M,Liu ZR,Xu Q,Ye JG,Ji YH

更新日期：2006-08-07 00:00:00

abstract：:We examined the mRNA levels of hypoxia-inducible factor-1alpha (HIF-1alpha) in bone marrow mesenchymal stem cells (bmMSCs) of eight osteoarthritis patients. BmMSC-1, expressing higher HIF-1alpha mRNA and protein than bmMSC-5, elicited higher matrix metalloproteinase-1 (MMP1) activity and stronger invasive capacity. In...

journal_title：FEBS letters

authors： Lin JL,Wang MJ,Lee D,Liang CC,Lin S

更新日期：2008-07-23 00:00:00