Pyroglutamate stimulates Na+ -dependent glutamate transport across the blood-brain barrier.

abstract：:Mutations in the human mtDNA gene encoding subunit III of cytochrome c oxidase (CO) have been reported to cause MELAS and LHON. Poracoccus denitrificans cells expressing substitutions homologous to these MELAS- and LHON-causing mutations had lower growth yield than wild type cells and lower efficiency of proton pumpin...

journal_title：FEBS letters

authors： Mather MW,Rottenberg H

更新日期：1998-08-14 00:00:00

abstract：:Incubation of isolated rat liver nuclei with ATP, NAD+, and micromolar Ca2+ concentrations of various metal ions resulted in extensive DNA hydrolysis. Half-maximal activity occurred with 1.0 microM Ca2+ added, and saturation of the process was observed with 10 microM Ca2+. The Ca2+ (10 microM)-activated DNA fragmentat...

journal_title：FEBS letters

authors： Yamaguchi M,Sakurai T

更新日期：1991-02-25 00:00:00

abstract：:DNA enzymes are RNA-cleaving single-stranded DNA molecules. We designed DNA enzymes targeting the PB2 mRNA translation initiation (AUG) region of the influenza A virus (A/PR/8/34). The modified DNA enzymes have one or two N3'-P5' phosphoramidate bonds at both the 3'- and 5'-termini of the oligonucleotides, which signi...

journal_title：FEBS letters

authors： Takahashi H,Hamazaki H,Habu Y,Hayashi M,Abe T,Miyano-Kurosaki N,Takaku H

更新日期：2004-02-27 00:00:00

abstract：:The fluorescent Ca2+ indicator Fura 2 was used to monitor Ca2+ release induced by the Ins(1,4,5)P3-mobilizing agonist angiotensin II (Ag II), caffeine and 2,5-di-(tert-butyl)-1,4-benzohydroquinone (tuBHQ), in intact bovine adrenal chromaffin cells. Under low external Ca2+ conditions, tuBHQ, Ag II and caffeine elicited...

journal_title：FEBS letters

authors： Robinson IM,Burgoyne RD

更新日期：1991-09-09 00:00:00

abstract：:The photosynthetic reaction center is one of the most complicated molecular complexes. Transducing photon energy to a transmembrane electrochemical potential difference for protons, it is the direct or indirect energy source for virtually all life. We show here that it operates in a simple, battery-like manner, with a...

journal_title：FEBS letters

authors： van Rotterdam BJ,Crielaard W,van Stokkum IH,Hellingwerf KJ,Westerhoff HV

更新日期：2002-01-02 00:00:00

abstract：:The mechanism underlying lipopolysaccharide (LPS)-induced depression of phosphoinositide (PI) hydrolysis was investigated using rat aortas. In LPS-pretreated aortas, the 5-hydroxytryptamine-stimulated accumulation of inositol monophosphate and incorporation of exogenous myo-inositol into PIs were significantly less th...

journal_title：FEBS letters

authors： Sotoda Y,Negoro M,Wakabayashi I

更新日期：2002-05-22 00:00:00

abstract：:The 5.8S and 28S rRNA sequences of the oomycete Phytophthora megasperma were determined in order to study the secondary structure of these molecules and to assess the phylogenetic position of the oomycetes among the eukaryotes. Preliminary results point to an affiliation between the oomycetes, dinoflagellates and cili...

journal_title：FEBS letters

authors： Van der Auwera G,Chapelle S,De Wachter R

更新日期：1994-01-31 00:00:00

abstract：:Mammalian pancreatic phospholipase A2 (PLA2-I) has its specific receptor through which PLA2-I induces a variety of biological responses. In this study, a fundamental relationship between the enzymatic and the receptor-binding activities of PLA2-I was investigated. The specific binding of PLA2-I to the receptor was fou...

journal_title：FEBS letters

authors： Ishizaki J,Kishino J,Teraoka H,Ohara O,Arita H

更新日期：1993-06-21 00:00:00

abstract：:The sialic acid of complex N-glycans can be biochemically engineered by substituting the physiological precursor N-acetylmannosamine with non-natural N-acylmannosamines. The Kv3.1 glycoprotein, a neuronal voltage-gated potassium channel, contains sialic acid. Western blots of the Kv3.1 glycoprotein isolated from trans...

journal_title：FEBS letters

authors： Hall MK,Reutter W,Lindhorst T,Schwalbe RA

更新日期：2011-10-20 00:00:00

abstract：:The hypothesis that calpain subunits dissociate in the presence of Ca2+ has been tested by methods which avoid interference by Ca2+-induced aggregation and large subunit autolysis. Inactive Cys105Ser-m-calpain, bound either to Ni-NTA-agarose or to immobilized casein, after incubation with Ca2+, could be recovered in h...

journal_title：FEBS letters

authors： Dutt P,Arthur JS,Croall DE,Elce JS

更新日期：1998-10-09 00:00:00

abstract：:The inhibitory effects of various nitrogen-containing sugars on porcine kidney trehalase were studied. Validamycin A, validoxylamine A and MDL 25,637 were found to be potent, time-dependent inhibitors of the enzyme in vitro. The validoxylamine A-inhibited enzyme showed slow but reversible reactivation over time (t1/2 ...

journal_title：FEBS letters

authors： Salleh HM,Honek JF

更新日期：1990-03-26 00:00:00

abstract：:The role of low M(r) phosphotyrosine protein phosphatase (PTPase) in the control of cell proliferation was studied. A synthetic gene coding for PTPase was transfected and expressed in NIH/3T3 fibroblasts. The effects of the enzyme were particularly evident when cells were stimulated by platelet-derived growth factor (...

journal_title：FEBS letters

authors： Berti A,Rigacci S,Raugei G,Degl'Innocenti D,Ramponi G

更新日期：1994-07-25 00:00:00

abstract：:The replacement of O2 with CO was studied on cobalt-iron hemoglobin hybrids. Both proto- and mesocobalt hemes were used for the reconstitution. In the oxy quaternary conformation no difference is observed between alpha- and beta-subunits when only proto hemes are present in the hybrid (k4 = 30 s-1, k'4/l'4 = 2.5). If ...

journal_title：FEBS letters

authors： Oertle M,Winterhalter KH,Di Iorio EE

更新日期：1983-03-07 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：:The cardiovascular system consists of many cell types with distinct embryonic origins. Cells from an Islet1 (Isl1)-expressing progenitor population make a substantial contribution to the developing heart. We reasoned that cells derived from Isl1-expressing progenitors might contribute more widely to the cardiovascular...

journal_title：FEBS letters

authors： Keenan ID,Rhee HJ,Chaudhry B,Henderson DJ

更新日期：2012-06-21 00:00:00

abstract：:The tetraspanins associate with various surface molecules and with each other to build a network of molecular interactions, the tetraspanin web. The interaction of tetraspanins with each other seems to be central for the assembly of the tetraspanin web. All tetraspanins studied, CD9, CD37, CD53, CD63, CD81, CD82 and C...

journal_title：FEBS letters

authors： Charrin S,Manié S,Oualid M,Billard M,Boucheix C,Rubinstein E

更新日期：2002-04-10 00:00:00

abstract：:During the course of large scale purification of the D1 dopamine receptor from rat brain, a protein of approximately 87,000 daltons (p87) was observed to copurify with the D1 receptor through four chromatographic steps. To characterize the nature of this protein, bovine and rat cDNA clones were isolated and sequenced....

journal_title：FEBS letters

authors： Gingrich JA,Andersen PH,Tiberi M,el Mestikawy S,Jorgensen PN,Fremeau RT Jr,Caron MG

更新日期：1992-11-09 00:00:00

abstract：:The CLN3 gene encodes an integral membrane protein of unknown function. Mutations in CLN3 can cause juvenile neuronal ceroid lipofuscinosis, or Batten disease, an inherited neurodegenerative lysosomal storage disease affecting children. Here, we report a topological study of the CLN3 protein using bioinformatic approa...

journal_title：FEBS letters

authors： Nugent T,Mole SE,Jones DT

更新日期：2008-04-02 00:00:00

abstract：:Secretoneurin is a recently characterized neuropeptide present in the primary amino acid sequence of secretogranin II. We investigated the proteolytic processing of secretogranin II by prohormone convertases in vivo in a cellular system using the vaccinia virus system. Both PC1 and PC2 can cleave the secretogranin II ...

journal_title：FEBS letters

authors： Hoflehner J,Eder U,Laslop A,Seidah NG,Fischer-Colbrie R,Winkler H

更新日期：1995-03-06 00:00:00

abstract：:A comparative study has investigated the in vitro dissociation and self-assembly of chaperonin 60 14-mers isolated from E. coli (GroEL), yeast mitochondria and pea chloroplasts. In all cases Mg2+ inhibits, and low temperature stimulates, the urea-induced dissociation. ATP or ADP in the presence of Mg2+ enhance the dis...

journal_title：FEBS letters

authors： Lissin NM

更新日期：1995-03-13 00:00:00

abstract：:The primary structure of 20 beta-hydroxysteroid dehydrogenase from Streptomyces hydrogenans was determined after FPLC purification of a commercial preparation. Peptides obtained from different proteolytic cleavages were purified by reverse phase HPLC. The 255-residue structure deduced was found to be distantly homolog...

journal_title：FEBS letters

authors： Marekov L,Krook M,Jörnvall H

更新日期：1990-06-18 00:00:00

abstract：:Alternative splicing of tau exon 10 generates tau isoforms with three or four microtubule-binding repeats, named 3R- or 4R-tau. Normal adult human brain expresses equal levels of them. Imbalance of 3R-tau and 4R-tau associates with several tauopathies. Splicing factor 9G8 suppresses tau exon 10 inclusion and its funct...

journal_title：FEBS letters

authors： Gu J,Shi J,Wu S,Jin N,Qian W,Zhou J,Iqbal IG,Iqbal K,Gong CX,Liu F

更新日期：2012-07-30 00:00:00

abstract：:Diapause is an important overwintering strategy enabling Locusta migratoria to survive under stressed conditions. We identified a novel dual-specificity kinase gene that is differentially expressed between long and short day-treated L. migratoria. To determine its function on photoperiodic diapause induction, we clone...

journal_title：FEBS letters

authors： Hao K,Ullah H,Jarwar AR,Nong X,Tu X,Zhang Z

更新日期：2019-11-01 00:00:00

abstract：:Rhizobium sigma vegetative-dependent promoters are different from those of enteric bacteria and have never been characterized before. We report here the biochemical characterization of the ORF1-ntrBC promoter of Rhizobium etli. The minimal promoter region was located by means of a transcriptional fusion and further ch...

journal_title：FEBS letters

authors： Martino M,Riccio A,Defez R,Iaccarino M,Patriarca EJ

更新日期：1996-06-10 00:00:00

abstract：:Caspase-11 plays a crucial role in both inflammation and apoptosis. Caspase-11 not only activates caspase-1, that is required for the maturation of proinflammatory cytokines such as interleukin (IL)-1 and IL-18, but also activates caspase-3, leading to cellular apoptosis under pathological conditions. Here, we cloned ...

journal_title：FEBS letters

authors： Hur J,Kim SY,Kim H,Cha S,Lee MS,Suk K

更新日期：2001-10-26 00:00:00

abstract：:Expression plasmids encoding native human preporenin and a mutant deleted in its entire prosegment were transfected into Chinese hamster ovary cells. The cells transfected with the expression plasmid of native preporenin secreted exclusively inactive prorenin, while the cells transfected with the mutant secreted the a...

journal_title：FEBS letters

authors： Nagahama M,Nakayama K,Hori H,Murakami K

更新日期：1989-12-18 00:00:00

abstract：:We report a new method for the detection of ligand-induced receptor internalization by fluorescence ratiometric imaging of pH in endosomes in combination with a recently developed posttranslational labeling system based on the formation of a heterodimeric coiled-coil structure. The N-terminus of the β2-adrenergic rece...

journal_title：FEBS letters

authors： Yano Y,Matsuzaki K

更新日期：2011-07-21 00:00:00

abstract：:Phosphorylation of the 20 kDa myosin light chain from smooth muscle by five different kinases was investigated. Three of the kinases (myosin light chain kinase, phosphorylase kinase, and cAMP-dependent protein kinase) phosphorylate serine residues, the fourth (casein-kinase-2) mainly threonine, and the fifth (glycogen...

journal_title：FEBS letters

authors： Singh TJ,Akatsuka A,Huang KP

更新日期：1983-08-08 00:00:00

abstract：:The essential role of Factor VIII:C (FVIII:C, anti-hemophilia factor A) as a cofactor for Factor IXa-dependent activation of Factor X has been established. In this paper, we describe that capillary endothelial cells from bovine adrenal medulla express active FVIII:C gene. Accumulation of FVIII:C in conditioned media f...

journal_title：FEBS letters

authors： Banerjee DK,Tavárez JJ,Oliveira CM

更新日期：1992-07-13 00:00:00

abstract：:Renin, which catalyzes the initial proteolytic cleavage reaction in the production of angiotensins, is first synthesized as a zymogen, prorenin, and requires the proteolytic removal of an amino-terminal prosegment for activation in vivo. The lysosomal hydrolase cathepsin B has been proposed as a prorenin processing en...

journal_title：FEBS letters

authors： Jutras I,Reudelhuber TL

更新日期：1999-01-22 00:00:00