Mutations in a semiconserved region of the Tetrahymena intron.

abstract：:A point mutation (Ala-589 to Thr) in the transmembrane protein of the human immunodeficiency virus type 1 (HIV-1) has been shown to decrease the sensitivity of the virus to the neutralizing effect of human HIV-1 specific antibodies [(1990) J. Virol. 64, 3240-3248]. Here 17-residue peptides with the parental and mutant...

journal_title：FEBS letters

authors： Klasse J,Pipkorn R,Blomberg J,Han KH,Hilton B,Ferretti JA

更新日期：1993-05-24 00:00:00

abstract：:The red cell membrane is comprised of a lipid bilayer studded with transmembrane proteins, and laminated by a protein network, the membrane skeleton, at the surface of the inner monolayer. The erythrocyte owes its mechanical properties to the membrane skeleton. Hereditary spherocytosis, hereditary elliptocytosis or po...

journal_title：FEBS letters

authors： Delaunay J

更新日期：1995-08-01 00:00:00

abstract：:MicroRNA-107 (miR-107) has been demonstrated to regulate proliferation and apoptosis in many types of cancers. Nevertheless, its biological function in gastric cancer remains largely unexplored. Here, we found that the expression level of miR-107 was increased in gastric cancer in comparison with the adjacent normal t...

journal_title：FEBS letters

authors： Li F,Liu B,Gao Y,Liu Y,Xu Y,Tong W,Zhang A

更新日期：2014-02-14 00:00:00

abstract：:The 3D structure of two unlabeled FK506 analogs, (R)- and (S)-[18-OH]ascomycin, when bound to [U-13C,15N]FKBP were determined by isotope-filtered 2D NMR experiments. The structures for the R and S isomers that bind tightly to FKBP but lack immunosuppressive activity are compared to each other and to the conformation o...

journal_title：FEBS letters

authors： Petros AM,Kawai M,Luly JR,Fesik SW

更新日期：1992-08-24 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：:We have studied the pharmacological properties of genetically engineered human NK1 tachykinin receptors in which residues at the extracellular surface of the fourth transmembranal domain were substituted with the corresponding amino acids from the NK2 receptor. We show that substitution of G166C:Y167F in the human NK1...

journal_title：FEBS letters

authors： Ciucci A,Palma C,Riitano D,Manzini S,Werge TM

更新日期：1997-10-27 00:00:00

abstract：:Treatment of human vascular smooth muscle cells (SMC) with human alpha-thrombin greatly increased DNA synthesis and cell proliferation. Both the integrity of the catalytic site and that of the anion binding exosite were required for expression of this activity. Experiments employing Northerns indicated induction of c-...

journal_title：FEBS letters

authors： Kanthou C,Parry G,Wijelath E,Kakkar VV,Demoliou-Mason C

更新日期：1992-12-14 00:00:00

abstract：:Physiological amyloid aggregation occurs within the nuclei of stress-treated cells. These structures, termed Amyloid bodies (A-bodies), assemble through the rapid accumulation of proteins into dense membrane-less organelles, which possess the same biophysical properties as plaques observed in many amyloid-based diseas...

journal_title：FEBS letters

authors： Marijan D,Tse R,Elliott K,Chandhok S,Luo M,Lacroix E,Audas TE

更新日期：2019-11-01 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：:The N-terminal processing of MADH from the bacterium T. versutus and the N-terminal heterogeneity of the isolated alpha subunit of the alpha 2 beta 2 protein complex was demonstrated by a combination of Edman sequence analysis of an electroblotted band, in situ digested with pyroglutamate aminopeptidase, and accurate ...

journal_title：FEBS letters

authors： Van Beeumen J,Van Driessche G,Huitema F,Duine JA,Canters GW

更新日期：1993-10-25 00:00:00

abstract：:Rats bearing the fast-growing AH-130 Yoshida ascites hepatoma showed a marked cachectic response which has been previously reported [Tessitore et al. (1987) Biochem. J. 241, 153-159]. Thus tumour-bearing animals showed significant decreases in body and muscle weight (soleus and gastrocnemius) as compared to both pair-...

journal_title：FEBS letters

authors： Llovera M,García-Martínez C,Agell N,Marzábal M,López-Soriano FJ,Argilés JM

更新日期：1994-02-07 00:00:00

abstract：:The production of superoxide and nitric oxide induced in U87 glioma treated with lipopolysaccharide (LPS) and interferon-gamma (IFN-gamma) was examined by electron spin resonance (ESR) spectroscopy using a newly designed flow-type quartz cuvette without detaching cells from the culture plate. ESR spectra of 2,2,6, 6-t...

journal_title：FEBS letters

authors： Nakagawa H,Moritake T,Tsuboi K,Ikota N,Ozawa T

更新日期：2000-04-14 00:00:00

abstract：:The aim of the present study was to investigate homoharringtonine alkaloid effect on: (i) the nonenzymatic and eEF-1-dependent Phe-tRNAPhe binding to poly(U)-programmed human placenta 80 S ribosomes; (ii) diphenylalanine synthesis accompanying nonenzymatic Phe-tRNAPhe binding; and (iii) acetylphenylalanyl-puromycin fo...

journal_title：FEBS letters

authors： Tujebajeva RM,Graifer DM,Karpova GG,Ajtkhozhina NA

更新日期：1989-11-06 00:00:00

abstract：:Increased expression of low voltage-activated, T-type Ca(2+) channels has been correlated with a variety of cellular events including cell proliferation and cell cycle kinetics. The recent cloning of three genes encoding T-type alpha(1) subunits, alpha(1G), alpha(1H) and alpha(1I), now allows direct assessment of thei...

journal_title：FEBS letters

authors： Chemin J,Monteil A,Briquaire C,Richard S,Perez-Reyes E,Nargeot J,Lory P

更新日期：2000-07-28 00:00:00

abstract：:Thioredoxins are a class of small proteins that play a key role in regulating many cellular redox processes. We report here the characterization of the first member of the thioredoxin family in metazoans that is mainly associated with neurons. The Caenorhabditis elegans gene B0228.5 encodes a thioredoxin (TRX-1) that ...

journal_title：FEBS letters

authors： Miranda-Vizuete A,Fierro González JC,Gahmon G,Burghoorn J,Navas P,Swoboda P

更新日期：2006-01-23 00:00:00

abstract：:We have studied the endosome-lysosome transfer of internalized epidermal growth factor receptor (EGFR) complexes in a cell-free system from rat liver. Analytical subfractionation of a postmitochondrial supernatant fraction showed that a pulse of internalized [(125)I]EGF was largely associated with a light endosomal fr...

journal_title：FEBS letters

authors： Authier F,Chauvet G

更新日期：1999-11-12 00:00:00

abstract：:Cytochrome oxidase o has been isolated from the obligately aerobic, methylotrophic bacterium Methylophilus methylotrophus in the form of a cytochrome cL-o complex. The latter is comprised of cytochrome cL (Mr 21 000) and cytochrome o (Mr 29 000) in a 1-2:1 ratio, possibly in association with one or more minor polypept...

journal_title：FEBS letters

authors： Carver MA,Jones CW

更新日期：1983-05-08 00:00:00

abstract：:The Ca2+-binding parvalbumin has been purified for the first time from rat kidney. Its biochemical and immunological properties were indistinguishable from the muscle counterpart. By immunohistochemical methods parvalbumin was localized in part of the distal tubule and proximal collecting duct, similar to the vitamin ...

journal_title：FEBS letters

authors： Schneeberger PR,Heizmann CW

更新日期：1986-05-26 00:00:00

abstract：:The present study shows a direct impairing action of a cytotoxin-producing Helicobacter pylori strain on the Na+,K(+)-ATPase (evaluated as K(+)-dependent phosphatase activity) of human gastric epithelial cells in culture. The toxin itself is likely involved in this action which may also account for the cell edema foun...

journal_title：FEBS letters

authors： Ricci V,Sommi P,Cova E,Fiocca R,Romano M,Ivey KJ,Solcia E,Ventura U

更新日期：1993-11-15 00:00:00

abstract：:Flash excitation of Tris-treated photosystem II (PSII) membranes generated a thermoluminescence band peaking at -20 degrees C, indicating that a positively charged oxidizing equivalent is stably accumulated on donor side of PSII even in the absence of the Mn-cluster. This oxidizing equivalent was sensitive to low conc...

journal_title：FEBS letters

authors： Ono T,Inoue Y

更新日期：1991-01-28 00:00:00

abstract：:Activated p38gamma MAP kinase exhibited significant basal ATPase activity in the absence of a kinase substrate, and addition of a phosphoacceptor substrate increased k(cat)/K(m)20-fold. AMP-PCP was competitive with ATP binding and non-competitive with phosphoacceptor substrate binding. The nucleotide binding site affi...

journal_title：FEBS letters

authors： Fox T,Fitzgibbon MJ,Fleming MA,Hsiao HM,Brummel CL,Su MS

更新日期：1999-11-19 00:00:00

abstract：:The single cysteinyl residue 26 of spinach calmodulin was labelled with the thiol-specific bimane fluorescence probe. Following application of stoichiometric quantities of Ca2+ or aluminum ions to the protein, temperature-dependent fluorescence changes (anisotropy, lifetime) could be monitored via the label. From thes...

journal_title：FEBS letters

authors： Yuan SX,Haug A

更新日期：1988-07-04 00:00:00

abstract：:In this study, we investigated enzymatic deglycosylation of glucoamylase from Aspergillus awamori X 100/D27, a glycoprotein which has two N-linked and about forty short mannose-bearing O-linked sugars per molecule. O-Linked sugars were modified by treatment with alpha-mannosidase and N-linked sugars were removed using...

journal_title：FEBS letters

authors： Neustroev KN,Golubev AM,Firsov LM,Ibatullin FM,Protasevich II,Makarov AA

更新日期：1993-01-25 00:00:00

abstract：:Intracellular vesicular transport involves targeting of vesicles to their correct destination and subsequent fusion with the target membrane. These processes employ unique compartment-specific proteins in combination with general components which act at several transport steps. This review will summarize recent progre...

journal_title：FEBS letters

authors： Söllner T

更新日期：1995-08-01 00:00:00

abstract：:Small interfering (si)RNAs isolated from Brassica juncea leaves infected by Turnip mosaic virus (TuMV) were characterized by cloning and sequencing. The TuMV siRNA population was dominated by 21 and 22-nt long species originated mainly from the same siRNA hotspots, indicating operational similarity between the plant D...

journal_title：FEBS letters

authors： Ho T,Wang H,Pallett D,Dalmay T

更新日期：2007-07-10 00:00:00

abstract：:We describe the creation of cell adhesion mediated by cell surface engineering. The Flt3-ligand was fused to a membrane anchor made of the diphtheria toxin translocation domain. The fusion protein was attached to the surface of a cell by an acid pulse. Contact with another cell expressing the receptor Flt3 lead to its...

journal_title：FEBS letters

authors： Perier A,Gourier C,Pichard S,Husson J,Lajeunesse E,Babon A,Menez A,Gillet D

更新日期：2007-11-27 00:00:00

abstract：:Programmed death-ligand 1 (PD-L1) is a co-inhibitory molecule expressed on tumor cells. Immune checkpoint inhibitors focusing on the PD-L1 mechanism are now being studied for the treatment of various cancer types. However, the regulatory mechanism of PD-L1 is yet to be fully clarified, and a high-throughput system for...

journal_title：FEBS letters

authors： Uchida Y,Matsushima T,Kurimoto R,Chiba T,Inutani Y,Asahara H

更新日期：2021-01-09 00:00:00

abstract：:The expression of interphotoreceptor retinoid binding protein (IRBP) is limited to photoreceptor cells of the retina and pinealocytes of the pineal gland. We sought to define cis-elements of the mouse IRBP 5' flanking region that are required for this restricted activity. In vitro transient transfections of retinoblas...

journal_title：FEBS letters

authors： Boatright JH,Knox BE,Jones KM,Stodulkova E,Nguyen HT,Padove SA,Borst DE,Nickerson JM

更新日期：2001-08-24 00:00:00

abstract：:Treatment of rat thymus cell suspensions with dexamethasone resulted in inhibition of engaged RNA polymerase A, without significant change in free pool activity. Studies with the re-initiation inhibitor, rifamycin AF/0-13, and measurements of numbers of RNA polymerase A molecules and of elongation rates showed that th...

journal_title：FEBS letters

authors： Dembinski TC

更新日期：1984-07-23 00:00:00

abstract：:The timely and reliable processing of auditory and vestibular information within the inner ear requires highly sophisticated sensory transduction pathways. On a cellular level, these demands are met by hair cells, which respond to sound waves - or alterations in body positioning - by releasing glutamate-filled synapti...

journal_title：FEBS letters

authors： Pangrsic T,Vogl C

更新日期：2018-11-01 00:00:00