The rate-limiting step and nonhyperbolic kinetics in the oxidation of ferrocytochrome c catalyzed by cytochrome c oxidase.

abstract：:Multiple protein kinase C (PKC) theta species, identified in an erythroleukaemia cell line, have been characterised in terms of their molecular properties and intracellular distribution. PKCthetas localised in the detergent-soluble cell fraction have an Mr of 76 kDa (theta-76) and contain Thr538 or pThr538 in the kina...

journal_title：FEBS letters

authors： Sparatore B,Passalacqua M,Pedrazzi M,Ledda S,Patrone M,Gaggero D,Pontremoli S,Melloni E

更新日期：2003-11-06 00:00:00

abstract：:Pasteurella multocida toxin is a potent mitogen for cultured Swiss 3T3 cells where it causes an accumulation of inositol phosphates and activation of protein kinase C. The gene sequence described here coded for a 146 kDa protein. The ORF was preceded by a ribosome binding site and followed by a stem loop. There was no...

journal_title：FEBS letters

authors： Lax AJ,Chanter N,Pullinger GD,Higgins T,Staddon JM,Rozengurt E

更新日期：1990-12-17 00:00:00

abstract：:As a result of Myc-dependent transcription of the LDH-A gene, Myc-transformed cells (Rat1-Myc) exhibit increased lactate production rates (LPR) even under aerobic conditions (the Warburg effect). Recently, the increased susceptibility to stress-induced apoptosis associated with Myc transfection has been linked to the ...

journal_title：FEBS letters

authors： Papas KK,Sun L,Roos ES,Gounarides JS,Shapiro M,Nalin CM

更新日期：1999-03-12 00:00:00

abstract：:Microcalorimetric titrations of the two major isotypes of parvalbumin (PA1 and PA2) from bullfrog skeletal muscle with Ca2+ in the presence and absence of Mg2+ have been carried out at 25 degrees C and pH 7.0. The observed enthalpy titration curves were analyzed by the least-squares method. The measured enthalpy chang...

journal_title：FEBS letters

authors： Tanokura M,Yamada K

更新日期：1985-06-03 00:00:00

abstract：:Measurement of the weight of desmosterol produced during its biosynthesis in the presence of tritiated water and triparanol has permitted a direct determination of the relative flux of carbon and tritium (the H/C ratio) into sterol in hepatocytes. The H/C ratio increased with time of incubation irrespective of the nut...

journal_title：FEBS letters

authors： Björnsson OG,Pullinger CR,Gibbons GF

更新日期：1985-08-05 00:00:00

abstract：:Transforming growth factors-beta (TGFbeta1, 2 and 3) are secreted in a complex with their propeptides (latency-associated peptide 1 (LAP1), 2 and 3). TGFbeta signaling requires the dissociation of LAP and TGFbeta, a process termed latent TGFbeta activation. This process is a critical but incompletely understood step i...

journal_title：FEBS letters

authors： Annes JP,Rifkin DB,Munger JS

更新日期：2002-01-30 00:00:00

abstract：:The full-length cDNA encoding the human calbindin-D9k (CaBP-9k) has been cloned using reverse transcription/PCR methodology with rat- and bovine-derived primers and intestinal RNA. A core product, and both a 5' and 3' product encompassing the full-length cDNA were obtained. The clones include coding region for 79 amin...

journal_title：FEBS letters

authors： Jeung EB,Krisinger J,Dann JL,Leung PC

更新日期：1992-07-28 00:00:00

abstract：:The differential scanning microcalorimetry and fluorescence methods, using probes ANS and pyrene, have been employed to study thermotropic behaviour of rat liver microsomes in the presence and absence of Mg2+. Addition of Mg2+ yields three partially reversible phase transitions at 18, 27 and 32 degrees C, respectively...

journal_title：FEBS letters

authors： Akhrem AA,Kisel MA,Lunevich AY,Bokut SB,Andrianov VT,Kiselev PA

更新日期：1983-12-12 00:00:00

abstract：:A cDNA clone (pUP-23) corresponding to a member of a protein family that includes inhibitors of trypsin and of heterologous alpha-amylases has been selected from a library derived from developing barley endosperm and its sequence has been determined. A stretch of 95 nucleotides that included the signal peptide and the...

journal_title：FEBS letters

authors： Lázaro A,Rodriguez-Palenzuela P,Maraña C,Carbonero P,Garcia-Olmedo F

更新日期：1988-10-24 00:00:00

abstract：:Poly(A)+ RNA isolated from post-mortem human hypothalami has been used to characterize the poly-protein precursors to vasopressin and oxytocin. Translation in a cell-free system and subsequent immuno-precipitation with antibodies raised against either vasopressin or neurophysin identified a product of Mr 19000 (prepro...

journal_title：FEBS letters

authors： Mohr E,Hillers M,Ivell R,Haulica ID,Richter D

更新日期：1985-11-25 00:00:00

abstract：:We report here the apoptosis of mouse liver nuclei induced in the cytosol of carrot cells by cytochrome c. Several typical characteristics of apoptosis, such as chromatin condensation, margination and apoptotic bodies, were detected. The result of DNA gel electrophoresis showed that DNA was degraded into nucleosomal f...

journal_title：FEBS letters

authors： Zhao Y,Jiang ZF,Sun YL,Zhai ZH

更新日期：1999-04-01 00:00:00

abstract：:We have isolated four lambda-phages covering the complete pig aminopeptidase N/CD13 gene. The sequence of 2.85 kbp encompasses 1.18 kbp of the 5' upstream region and 1.67 kbp of the structural gene. In the promoter region we find a TATA box and potential binding sites for CTF-1/NF-1 and AP-2. By sequence comparisons w...

journal_title：FEBS letters

authors： Olsen J,Sjöström H,Norén O

更新日期：1989-07-17 00:00:00

abstract：:Several types of post-translational modifications contribute to the high level of tubulin heterogeneity in the brain. An important modification is glutamylation of the major brain-specific isotypes, such as class Ia/b of alpha-tubulin and classes II and III of beta-tubulin. Here we describe experiments to determine if...

journal_title：FEBS letters

authors： Mary J,Redeker V,Le Caer JP,Promé JC,Rossier J

更新日期：1994-10-10 00:00:00

abstract：:Daunorubicin induces apoptosis in myeloid leukemia cells by activation of neutral sphingomyelinase and ceramide generation occurring 4-10 min after daunorubicin addition. We show here that daunorubicin is able to increase the phosphoinositide 3-kinase activity and enhance intracellular phosphoinositide 3-kinase lipid ...

journal_title：FEBS letters

authors： Plo I,Bettaïeb A,Payrastre B,Mansat-De Mas V,Bordier C,Rousse A,Kowalski-Chauvel A,Laurent G,Lautier D

更新日期：1999-06-11 00:00:00

abstract：:Fibroblast growth factor 11 (FGF11) is an intracellular FGF. Although induction of FGF11 by hypoxia has been observed in several cell types, the molecular function of FGF11 is not clearly understood yet. Here, we investigated the role of FGF11 under hypoxia. We identified hypoxia-inducible factor-1α (HIF-1α) as an int...

journal_title：FEBS letters

authors： Lee KW,Yim HS,Shin J,Lee C,Lee JH,Jeong JY

更新日期：2017-01-01 00:00:00

abstract：:Endoplasmic reticulum stress (ER-stress) is associated with ataxia telangiectasia mutated (ATM) gene. We present here conclusive data showing that ATM blocks ER-stress induced by tunicamycin or ionizing radiation (IR). X-box protein-1 (XBP-1) splicing, GRP78 expression and caspase-12 activation were increased by tunic...

journal_title：FEBS letters

authors： He L,Kim SO,Kwon O,Jeong SJ,Kim MS,Lee HG,Osada H,Jung M,Ahn JS,Kim BY

更新日期：2009-03-04 00:00:00

abstract：:C26, the C-terminal 26 residue peptide of serpin A1, significantly increased cell proliferation in cultures of hepatoma cells, but not in porcine kidney epithelial cells, human skin fibroblasts or keratinocytes. The mitogenic activity of C26 was preferentially inhibited with a protein kinase C (PKC) inhibitor, an anti...

journal_title：FEBS letters

authors： Congote LF,Temmel N

更新日期：2004-10-22 00:00:00

abstract：:The nef gene of human and simian immunodeficiency virus is a key factor in acquired immunodeficiency syndrome pathogenesis and virus replication. Several Nef-induced phenomena, including the down-regulation of CD4 molecule, have been previously reported. In this study, we have identified and cloned a novel cellular pr...

journal_title：FEBS letters

authors： Fukushi M,Dixon J,Kimura T,Tsurutani N,Dixon MJ,Yamamoto N

更新日期：1999-01-08 00:00:00

abstract：:Heparin-binding epidermal growth factor-like growth factor (HB-EGF), a potent mitogen and migration factor for vascular smooth muscle cells (SMC), promoted neovascularization in vivo in the rabbit cornea. MRI demonstrated quantitatively the angiogenic effect of HB-EGF when introduced subcutaneously into nude mice. HB-...

journal_title：FEBS letters

authors： Abramovitch R,Neeman M,Reich R,Stein I,Keshet E,Abraham J,Solomon A,Marikovsky M

更新日期：1998-04-03 00:00:00

abstract：:Lysosomal beta-galactosidase precursor is processed to a mature form and associated with protective protein in lysosomes. In this study we used two cysteine protease proinhibitors, E64-d for cathepsins B, S, H, and L, and CA074Me for cathepsin B. They are converted intracellularly to active forms, E-64c and CA074, res...

journal_title：FEBS letters

authors： Okamura-Oho Y,Zhang S,Callahan JW,Murata M,Oshima A,Suzuki Y

更新日期：1997-12-15 00:00:00

abstract：:A latent MAP kinase kinase kinase activity previously detected after chromatography of PC12 cell extracts on Mono Q [(1992) FEBS Lett. 314, 461-465] has been identified as B-Raf by immunoblotting and immunoprecipitation experiments and by its specific activation with B-Raf antibodies. B-Raf is phosphorylated after sti...

journal_title：FEBS letters

authors： Traverse S,Cohen P

更新日期：1994-08-15 00:00:00

abstract：:In order to identify physiological activators of proteinase-activated receptor-2 (PAR-2), a peptide chloromethane inhibitor (biotinyl-Ser-Lys-Gly-Arg-CH2Cl) based on the cleavage site for activation of PAR-2 was synthesised and tested with 12 trypsin-like serine proteinases. The second-order rate constant (ki/Ki) for ...

journal_title：FEBS letters

authors： Fox MT,Harriott P,Walker B,Stone SR

更新日期：1997-11-17 00:00:00

abstract：:Sufficient highly purified native pea cytosolic ascorbate peroxidase was obtained to characterize some of its kinetic and spectral properties. Its rate constant for compound I formation from reaction with H2O2 is 4.O x 10(7) M-1 s-1, somewhat faster than is typical for peroxidases. Compound I has the typical optical s...

journal_title：FEBS letters

authors： Marquez LA,Quitoriano M,Zilinskas BA,Dunford HB

更新日期：1996-07-01 00:00:00

abstract：:The β-xylosidase B from Bifidobacterium adolescentis ATCC15703 belongs to the newly characterized family 120 of glycoside hydrolases. In order to investigate its catalytic mechanism, an extensive kinetic study of the wild-type enzyme and mutants targeting the three highly conserved residues Asp(393), Glu(416) and Glu(...

journal_title：FEBS letters

authors： Cecchini DA,Fauré R,Laville E,Potocki-Veronese G

更新日期：2015-10-07 00:00:00

abstract：:Impaired functioning of the proteasome pathway is one of the molecular mechanism underlying neurodegenerative changes in Alzheimer's disease. In this study, we report that dysfunction of the proteasome pathway in astroglial cells leads to decreased survival and dysregulation of chemokines by differential regulation of...

journal_title：FEBS letters

authors： Choi K,Lee J,Choi C

更新日期：2007-10-02 00:00:00

abstract：:Macrophage cyclooxygenase-2 (COX-2) transcription is mediated through the collaboration of different promoter elements. Here, the role of an overlapping cyclic AMP responsive element (CRE)/E-box was investigated. Nuclear proteins bound both the CRE and E-box, which synergized with other promoter elements to induce COX...

journal_title：FEBS letters

authors： Mestre JR,Rivadeneira DE,Mackrell PJ,Duff M,Stapleton PP,Mack-Strong V,Maddali S,Smyth GP,Tanabe T,Daly JM

更新日期：2001-05-11 00:00:00

abstract：:When cultured porcine aortic endothelial cells (ECs) were incubated with porcine big endothelin-1 (bit ET-1(1-39)), there was a time-dependent increase in immunoreactive (IR)-ET in the culture supernatant, in addition to an endogenous IR-ET release fron the cells. Reverse-phase HPLC of the culture supernatant revealed...

journal_title：FEBS letters

authors： Ikegawa R,Matsumura Y,Tsukahara Y,Takaoka M,Morimoto S

更新日期：1991-11-18 00:00:00

abstract：:A novel structural classification of beta proteins is presented from the viewpoint of the ring-shaped structure and the zipper-like contact pattern, based on the fact that 92% and 60% of beta proteins have the ring topology and the zippered contact pattern, respectively. We discuss the implication of the unexpectedly ...

journal_title：FEBS letters

authors： Koike R,Kinoshita K,Kidera A

更新日期：2003-01-02 00:00:00

abstract：:As a first step to investigate the functional activity of gypsy virus-like particles (VLPs) we explored the possibility of preservation of its VLP in extracellular form. The preparations containing extracellular gypsy VLP from Drosophila melanogaster and D. virilis were obtained. Full-length polyA+ RNA and polyA+ RNA-...

journal_title：FEBS letters

authors： Syomin BV,Kandror KV,Semakin AB,Tsuprun VL,Stepanov AS

更新日期：1993-06-01 00:00:00

abstract：:We recently purified two closely related 33 kDa proteins from rat hepatic cytosol, designated bile acid binder I and II, which selectively bind bile acids with comparable affinity as glutathione S-transferase B. This work has now been extended to human liver in which we have identified a similar cytosolic binding acti...

journal_title：FEBS letters

authors： Stolz A,Sugiyama Y,Kuhlenkamp J,Kaplowitz N

更新日期：1984-11-05 00:00:00