Cell type-specific processing of human Tau proteins in Drosophila.

abstract：:The insulin-like growth factor binding proteins (IGFBPs) are responsible for regulation of the effects and the bioavailability of the insulin-like growth factors (IGFs). We screened for circulating fragments of human IGFBP-5 in human hemofiltrate. Identification of IGFBP-5 peptides in the fractions of our peptide bank...

journal_title：FEBS letters

authors： Ständker L,Wobst P,Mark S,Forssmann WG

更新日期：1998-12-18 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：:Post-absorptive gluconeogenesis from lactate measured in vivo increases 3-fold in 24-month-old rats compared to 3-month-old animals. Fractional lactate turnover rates showed no significant differences between the two groups of animals. Lower plasma glucose concentrations and insulin-glucagon ratios may explain the inc...

journal_title：FEBS letters

authors： Satrústegui J,Cuezva JM,Machado A

更新日期：1986-03-03 00:00:00

abstract：:The neurogenic gene Drosophila big brain (bib) has a high sequence homology to aquaporin-4. However, its cellular functions in Drosophila neurogenesis have remained elusive. Here we investigated cell adhesion, and the ion and water permeability of Bib. The adhesive function was examined by a cell aggregation assay usi...

journal_title：FEBS letters

authors： Tatsumi K,Tsuji S,Miwa H,Morisaku T,Nuriya M,Orihara M,Kaneko K,Okano H,Yasui M

更新日期：2009-06-18 00:00:00

abstract：:The human H19 gene is a paternally imprinted oncofetal gene, highly expressed in several fetal tissues, down-regulated in nearly all adult tissues but re-expressed in carcinomas of tissues which express the gene in fetal life. It has no known protein product and till today, no function could be designated to H19 RNA. ...

journal_title：FEBS letters

authors： Ohana P,Kopf E,Bibi O,Ayesh S,Schneider T,Laster M,Tykocinski M,de Groot N,Hochberg A

更新日期：1999-07-02 00:00:00

abstract：:At present, little is known about signal transduction mechanisms in schistosomes, which cause the disease of schistosomiasis. The mitogen-activated protein kinase (MAPK) signaling pathways, which are evolutionarily conserved from yeast to Homo sapiens, play key roles in multiple cellular processes. Here, we reconstruc...

journal_title：FEBS letters

authors： Wang L,Yang Z,Li Y,Yu F,Brindley PJ,McManus DP,Wei D,Han Z,Feng Z,Li Y,Hu W

更新日期：2006-06-26 00:00:00

abstract：:Our data show that in hamster fibroblasts transformed by Rous sarcoma virus (RSV), the phosphoinositide 3'-kinase (PI-3K)/Akt/glycogen synthase kinase 3 antiapoptotic pathway is upregulated and involved in increased protein synthesis through activation of initiation factor eIF2B. Upon inhibition of PI-3K by wortmannin...

journal_title：FEBS letters

authors： Vojtechová M,Sloncová E,Kucerová D,Jiricka J,Sovová V,Tuhácková Z

更新日期：2003-05-22 00:00:00

abstract：:Carboxylesterase (EII') from Arthrobacter sp. KI72 has 88% homology to 6-aminohexanoate-dimer hydrolase (EII) and possesses ca. 0.5% of the level of 6-aminohexanoate-linear dimer (Ald)-hydrolytic activity of EII. To study relationship between Ald-hydrolytic and esterolytic activities, random mutations were introduced ...

journal_title：FEBS letters

authors： Ohki T,Wakitani Y,Takeo M,Yasuhira K,Shibata N,Higuchi Y,Negoro S

更新日期：2006-09-18 00:00:00

abstract：:USP4, 11 and 15 are three closely related paralogues of the ubiquitin specific protease (USP) family of deubiquitinating enzymes. The DUSP domain and the UBL domain in these proteins are juxtaposed which may provide a functional unit conferring specificity. We determined the structures of the USP15 DUSP-UBL double dom...

journal_title：FEBS letters

authors： Elliott PR,Liu H,Pastok MW,Grossmann GJ,Rigden DJ,Clague MJ,Urbé S,Barsukov IL

更新日期：2011-11-04 00:00:00

abstract：:The effect of estramustine and estramustine phosphate (EP) on the interaction of microtubule associated protein 2 (MAP2) with actin has been examined. We show that (a) neither estramustine nor EP influences actin polymerisation (b) EP, but not estramustine, reduces the amount of MAP2 which co-sediments with F-actin in...

journal_title：FEBS letters

authors： Pedrotti B,Islam K

更新日期：1997-02-17 00:00:00

abstract：:S100 beta is a neurite extension factor and has been implicated in Alzheimer's disease and Down's syndrome. It belongs to a group of low molecular weight calcium-binding proteins containing the helix-loop-helix calcium binding motif. The structure of only one S100 protein, calbindin D9k, which has the lowest sequence ...

journal_title：FEBS letters

authors： Kilby PM,Van Eldik LJ,Roberts GC

更新日期：1995-04-17 00:00:00

abstract：:The precise interactions between the subunits of Gs (alpha s, beta, gamma) and the plasma membrane remain to be established. If alpha s is associated loosely with the inner membrane, is labile during activation, or is always present to some extent in the cytoplasm, then it should fractionate to the supernatant of a hi...

journal_title：FEBS letters

authors： Roth DA,Urasawa K,Leiber D,Insel PA,Hammond HK

更新日期：1992-01-13 00:00:00

abstract：:The inositol (1,4,5)-trisphosphate receptor (InsP3R) is an intracellular calcium release channel that plays a crucial role in cell signaling. In Drosophila melanogaster, a single InsP3R gene (itpr) encodes a protein (DmInsP3R) that is approximately 60% conserved with mammalian InsP3Rs. The functional properties of wil...

journal_title：FEBS letters

authors： Srikanth S,Wang Z,Hasan G,Bezprozvanny I

更新日期：2004-09-24 00:00:00

abstract：:Oligonucleotide-peptide conjugates have several applications, including their potential use as improved antisense agents for interfering with the RNA function within cells. In order to provide robust and generally applicable conjugation chemistry, we developed a novel approach of fragment coupling of pre-synthesized p...

journal_title：FEBS letters

authors： Zubin EM,Romanova EA,Volkov EM,Tashlitsky VN,Korshunova GA,Shabarova ZA,Oretskaya TS

更新日期：1999-07-30 00:00:00

abstract：:Two fatty acid ethyl ester (FAEE) synthase isoenzymes purified from human myocardium were reported to be glutathione S-transferases (GST) [(1989) Proc. Natl. Acad. Sci. USA 86, 4470-4473; and (1989) J. Clin. Invest. 84, 1942-1946]. In the present study, the FAEE synthase activity of several purified and well character...

journal_title：FEBS letters

authors： Suzuki T,Kovacs MS,Board PG

更新日期：1990-11-26 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

abstract：:Although initially viewed as housekeeping enzymes, research over the last 15 years has revealed that the protein tyrosine phosphatases (PTPs) are critical regulators of tyrosine phosphorylation-dependent signaling events and may represent novel targets for therapeutic intervention in a variety of human diseases. In th...

journal_title：FEBS letters

authors： Tonks NK

更新日期：2003-07-03 00:00:00

abstract：:Activity of protein phosphatase measured in the absence of divalent cations was decreased by 50% during all-trans retinoic acid (ATRA)-induced HL-60 cell differentiation into the granulocytic phenotype. Treatment of HL-60 cells with ATRA led to a dramatic decrease in the amount of protein phosphatase type 2A (PP2A) pr...

journal_title：FEBS letters

authors： Tawara I,Nishikawa M,Morita K,Kobayashi K,Toyoda H,Omay SB,Shima H,Nagao M,Kuno T,Tanaka C

更新日期：1993-04-26 00:00:00

abstract：:In cooperative aggregation of bovine platelets induced by simultaneous addition of PAF and collagen at subthreshold concentrations the following observations were made. (i) Formation of phosphatidic acid and arachidonic acid metabolites, which characterize PAF and collagen alone-induced aggregation, respectively, was ...

journal_title：FEBS letters

authors： Kojima S,Sekiya F,Inada Y,Sato F,Tsukada T,Saito Y

更新日期：1990-07-16 00:00:00

abstract：:The thermal unfolding of the myosin subfragment 1 (S1) in its stable complex with ADP and beryllium fluoride (S1.ADP.BeF3-) was studied by differential scanning calorimetry. It has been shown that the structure of the S1 molecule in the S1.ADP.BeF3- complex is similar to that of S1 in its complex with ADP and orthovan...

journal_title：FEBS letters

authors： Bobkov AA,Khvorov NV,Golitsina NL,Levitsky DI

更新日期：1993-10-11 00:00:00

abstract：:The article presents the results of the first regular study of Russian populations by sequencing the control region of mitochondrial DNA (mtDNA). The sequenced region is the most variable on mtDNA molecule and is commonly used for population and evolutionary studies. Russians form one of the largest ethnic groups (mor...

journal_title：FEBS letters

authors： Orekhov V,Poltoraus A,Zhivotovsky LA,Spitsyn V,Ivanov P,Yankovsky N

更新日期：1999-02-19 00:00:00

abstract：:The photophobic receptor (psRII) and its transducer pHtrII from Natronobacterium pharaonis were heterologously coexpressed in the phototaxis-deficient Halobacterium salinarium strain Pho81/w which lacks all four bacterial rhodopsins, i.e. the two ion pumps bacteriorhodopsin and halorhodopsin as well as the two sensory...

journal_title：FEBS letters

authors： Lüttenberg B,Wolff EK,Engelhard M

更新日期：1998-04-10 00:00:00

abstract：:Friedreich ataxia is a recessively inherited neurodegenerative disease caused by deficiency of a highly conserved mitochondrial protein, frataxin. Frataxin deficiency results in mitochondrial iron accumulation and oxidative stress. Frataxin shows homology with the CyaY proteins of gamma-purple bacteria, whose function...

journal_title：FEBS letters

authors： Li DS,Ohshima K,Jiralerspong S,Bojanowski MW,Pandolfo M

更新日期：1999-07-30 00:00:00

abstract：:We have investigated the effect of botulinum neurotoxin (BoNT) C1 light chain (LC) on insulin exocytosis from the clonal beta-cell line HIT-T15. In streptolysin-O permeabilized cells, the beta-cell impermeant BoNT C1 cleaved mainly syntaxin 1 and inhibited Ca2+ as well as GTPgammaS induced exocytosis. To study the eff...

journal_title：FEBS letters

authors： Land J,Zhang H,Vaidyanathan VV,Sadoul K,Niemann H,Wollheim CB

更新日期：1997-12-08 00:00:00

abstract：:The effects of insulin and IGF-I on the cell surface quantities of GLUT1, GLUT3 and GLUT4 glucose transporters in L6 myotubes were determined with the exofacial bis-mannose phololabel (ATB-BMPA). In basal cells, an equal molar quantity of each transporter isoform was found at the cell surface. Insulin stimulated the t...

journal_title：FEBS letters

authors： Wilson CM,Mitsumoto Y,Maher F,Klip A

更新日期：1995-07-10 00:00:00

abstract：:The glycine-alanine (GA) repeat of the Epstein-Barr virus nuclear antigen-1 inhibits in cis ubiquitin-dependent proteolysis in mammalian cells through a yet unknown mechanism. In the present study we demonstrate that the GA repeat targets an evolutionarily conserved step in proteolysis since it can prevent the degrada...

journal_title：FEBS letters

authors： Heessen S,Dantuma NP,Tessarz P,Jellne M,Masucci MG

更新日期：2003-12-04 00:00:00

abstract：:Purified plasma membrane vesicles isolated from multidrug-resistant human KB-V1 cells accumulate [3H]vinblastine in an energy-dependent manner. The accumulation of [3H]vinblastine in the presence of ATP is a saturable process. ATP can be replaced by other purine nucleotide triphosphates, of which GTP is the most effic...

journal_title：FEBS letters

authors： Lelong IH,Padmanabhan R,Lovelace E,Pastan I,Gottesman MM

更新日期：1992-06-15 00:00:00

abstract：:The effects of temperature on the gamma-aminobutyric acid (GABA) uptake and on the presteady-state and transport-associated currents of the GABA cotransporter, rat gamma-aminobutyric acid transporter 1 (rGAT1), have been studied using heterologous oocyte expression and voltage-clamp. Increasing temperature from 15 to ...

journal_title：FEBS letters

authors： Binda F,Bossi E,Giovannardi S,Forlani G,Peres A

更新日期：2002-02-13 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：: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