Functional disruption of IEX-1 expression by concatemeric hammerhead ribozymes alters growth properties of 293 cells.

abstract：:We identified a CpG island at the 5' end of murine leukemia inhibitory factor gene (LIF). The CpG island is 0.6 kb long and covers most of the first exon and first intron. The region is non-methylated, its G+C content is 65% and relative frequency of CpG dinucleotide is 0.7. The block of 150 nucleotides, which is 72% ...

journal_title：FEBS letters

authors： Kaspar P,Dvorák M,Bartůnĕk P

更新日期：1993-03-15 00:00:00

abstract：:The voltage-dependent calcium channel (VDCC) in skeletal muscle probably plays a key role in transducing membrane charge movement to the calcium release channel. We report here that the expression of VDCC alpha 1 and alpha 2 mRNAs is developmentally regulated in differentiating C2C12 myogenic cells. The alpha 1 mRNA i...

journal_title：FEBS letters

authors： Varadi G,Orlowski J,Schwartz A

更新日期：1989-07-03 00:00:00

abstract：:Comparison of the phosphotyrosine-specific dephosphorylation of the autophosphorylated receptors for epidermal growth factor (EGF) and platelet-derived growth factor (PDGF) in Swiss 3T3 cell membranes by the endogenous phosphatases revealed striking differences. EGF receptor dephosphorylation was clearly faster than P...

journal_title：FEBS letters

authors： Böhmer FD,Böhmer SA,Heldin CH

更新日期：1993-10-04 00:00:00

abstract：:Botulinum neurotoxins (BoNTs), the causative agent of human botulism, are the most potent naturally occurring toxins known. BoNT/A1, the most studied BoNT, is also used as an important biopharmaceutical. In this study, the biological activity of BoNT/A1 is compared to that of BoNT/A2 using neuronal cell models. The da...

journal_title：FEBS letters

authors： Pier CL,Chen C,Tepp WH,Lin G,Janda KD,Barbieri JT,Pellett S,Johnson EA

更新日期：2011-01-03 00:00:00

abstract：:Cytosine in nucleic acids can be converted into N4-aminocytosine by treatment with a mixture of hydrazine and bisulfite. The hydrazino group thus formed at position 4 of the pyrimidine ring can be linked to a sulhydryl group in proteins by the use of bromopyruvate as a linker. Successful use of this scheme of chemical...

journal_title：FEBS letters

authors： Nitta N,Kuge O,Yui S,Tsugawa A,Negishi K,Hayatsu H

更新日期：1984-01-23 00:00:00

abstract：:Hemocyanin is present as 2 subunits in the hemolymph of Penaeus vannamei. Isolated from a hepatopancreas cDNA library of this penaeid shrimp, the cDNA chain (2095 bp) corresponds to a full length hemocyanin messenger as determined by Northern hybridization, with a short 5' untranslated region (17 bp), an open reading ...

journal_title：FEBS letters

authors： Sellos D,Lemoine S,Van Wormhoudt A

更新日期：1997-04-28 00:00:00

abstract：:Human high- and low-Mr kininogens were shown to be potent inhibitors of cysteine proteinases such as cathepsin L and papain (Ki = 17-48 pM). A strong immunological cross-reaction between the kininogens and low-Mr alpha-cysteine proteinase inhibitor from human plasma was found. Comparison of partial amino acid sequence...

journal_title：FEBS letters

authors： Müller-Esterl W,Fritz H,Machleidt W,Ritonja A,Brzin J,Kotnik M,Turk V,Kellermann J,Lottspeich F

更新日期：1985-03-25 00:00:00

abstract：:T cells are stimulated by the engagement of antigen, cytokine, pathogen, and hormone receptors. While research performed over many years has focused on deciphering the molecular components of these pathways, recent data underscore the importance of the metabolic environment in conditioning responses to receptor engage...

journal_title：FEBS letters

authors： Yong CS,Abba Moussa D,Cretenet G,Kinet S,Dardalhon V,Taylor N

更新日期：2017-10-01 00:00:00

abstract：:Serine/threonine phosphatases such as PP1, PP2A, and PP2B are well known to regulate the transition phase of the cell cycle. However, the function of PP2Cgamma in cell cycle progression is still unclear. In the present study, we report the characterization of PP2Cgamma in mammalian cells during the cell cycle. After r...

journal_title：FEBS letters

authors： Suh EJ,Kim TY,Kim SH

更新日期：2006-11-13 00:00:00

abstract：:Replication of Brucella inside eukaryotic cells is essential for pathogenesis, and successful infection requires rapid adaptation to the intracellular milieu. Close relatives of Brucella use the two-component system FixLJ to survive inside the host. We aimed to identify a homologous sensor in Brucella abortus. A predi...

journal_title：FEBS letters

authors： Roset MS,Almirón MA

更新日期：2013-09-17 00:00:00

abstract：:In this review, we summarize the currently available information on the membrane topology of some key members of the human ABC protein subfamilies, and present the predicted domain arrangements. In the lack of high-resolution structures for eukaryotic ABC transporters this topology is based only on prediction algorith...

journal_title：FEBS letters

authors： Tusnády GE,Sarkadi B,Simon I,Váradi A

更新日期：2006-02-13 00:00:00

abstract：:The molecular basis and functional properties of a variant antithrombin (AT) protein. AT Budapest 3, were studied. A single base substitution was identified in codon 99, CTC----TTC, altering the normal leucine to phenylalanine. The proband presented with a history of venous thrombotic disease and was found to be homoz...

journal_title：FEBS letters

authors： Olds RJ,Lane DA,Boisclair M,Sas G,Bock SC,Thein SL

更新日期：1992-04-06 00:00:00

abstract：:The hepatitis B viral X protein (HBx) is a multifunctional protein that plays a role in the activation of the NF-kappaB signaling pathway. In this study, we demonstrate that HBx up-regulates expression of TANK-binding kinase-1 (TBK1) at the transcriptional level. Increased levels of TBK1 protein then induce the phosph...

journal_title：FEBS letters

authors： Kim HR,Lee SH,Jung G

更新日期：2010-02-05 00:00:00

abstract：:The rate of mitochondrial ATPase inactivation by the naturally occurring inhibitor protein in the presence of saturating ATP and Mg2+ at pH 8.0 depends hyperbolically on the amount of inhibitor added; the upper limit of an apparent first-order constant for the inactivation process is 1.0(-1) at 25 degrees C. A dramati...

journal_title：FEBS letters

authors： Panchenko MV,Vinogradov AD

更新日期：1985-05-20 00:00:00

abstract：:The effects of mutation of residue tyrosine M210 on the primary donor bacteriochlorophylls have been investigated by near infrared FT-Raman spectroscopy in reaction centres purified from an antenna-deficient strain of Rhodobacter sphaeroides. We find that mutation at the M210 position does not significantly perturb th...

journal_title：FEBS letters

authors： Jones MR,Heer-Dawson M,Mattioli TA,Hunter CN,Robert B

更新日期：1994-02-14 00:00:00

abstract：:We tested the truncated 7-37 glucagon-like peptide 1 (TGLP-1), a naturally occurring porcine intestinal peptide, and other members of the glucagon family, including pancreatic glucagon (G-29), GLP-1 and GLP-2 for their ability to activate the cAMP generating system in rat gastric glands and HGT-1 human gastric cancer ...

journal_title：FEBS letters

authors： Hansen AB,Gespach CP,Rosselin GE,Holst JJ

更新日期：1988-08-15 00:00:00

abstract：:It is well known that growth hormone (GH)-induced IGF-1 signaling plays a dominant role in postnatal muscle growth. Our previous studies have identified a growth factor, progranulin (PGRN), that is co-induced with IGF-1 upon GH administration. This result prompted us to explore the function of PGRN and its association...

journal_title：FEBS letters

authors： Hu SY,Tai CC,Li YH,Wu JL

更新日期：2012-09-21 00:00:00

abstract：:Advanced glycation end products (AGE) are known to serve as ligands for the scavenger receptors such as SR-A, CD36 and SR-BI. In the current study, we examined whether AGE is recognized by lectin-like oxidized low density lipoprotein receptor-1 (LOX-1). Cellular binding experiments revealed that AGE-bovine serum album...

journal_title：FEBS letters

authors： Jono T,Miyazaki A,Nagai R,Sawamura T,Kitamura T,Horiuchi S

更新日期：2002-01-30 00:00:00

abstract：:The MET receptor tyrosine kinase is deregulated primarily via overexpression or point mutations in various human cancers and different strategies for MET inhibition are currently evaluated in clinical trials. We observed by Western blot analysis and by Flow cytometry that MET inhibition by different MET small molecule...

journal_title：FEBS letters

authors： Leiser D,Pochon B,Blank-Liss W,Francica P,Glück AA,Aebersold DM,Zimmer Y,Medová M

更新日期：2014-03-03 00:00:00

abstract：:Leucine-rich repeats (LRRs) are 22-28 amino acid-long sequence motifs found in a family of cytoplasmic, membrane and extracellular proteins. There is evidence that LRRs function in signal transduction, cellular adhesion and protein-protein interactions. Here we report unusual properties of a synthetic LRR peptide deri...

journal_title：FEBS letters

authors： Gay NJ,Packman LC,Weldon MA,Barna JC

更新日期：1991-10-07 00:00:00

abstract：:The amino acid sequences of the polypeptide chains of the acetylcholine receptor have recently been published. From the hydrophilicity profiles, it has been proposed that residues 161-166 of the alpha-chain might be an important antigenic site. We have synthesised a peptide containing this sequence and raised antisera...

journal_title：FEBS letters

authors： Juillerat MA,Barkas T,Tzartos SJ

更新日期：1984-03-12 00:00:00

abstract：:In human colon carcinoma HT-29 Glc(-/+) cells, L-arginine is the common precursor of polyamines which are absolutely necessary for cellular proliferation and nitric oxide (NO) with reported anti-proliferative activity. The aim of the present work was to test the effect of the NO donor sodium nitroprusside (SNP) on pol...

journal_title：FEBS letters

authors： Blachier F,Robert V,Selamnia M,Mayeur C,Duee PH

更新日期：1996-11-04 00:00:00

abstract：:The aim of the present study is to determine the role of intracellular Ca(2+) in VEGF signaling. We demonstrate that reduction in Ca(2+) by chelating compound BAPTA-AM or by IP(3)-endoplasmic reticulum blocker 2-APB selectively inhibited VEGF-induced activation of c-Src-PI3K-Akt but not ERK1/2 in human coronary artery...

journal_title：FEBS letters

authors： Lee M,Spokes KC,Aird WC,Abid MR

更新日期：2010-07-16 00:00:00

abstract：:Zinc metallopeptidases that contain the His-Glu-Xaa-Xaa-His (HEXXH) motif generally have a third ligand of the metal ion that may be either a Glu residue (in clan MA) or a His residue (in clan MB) (Rawlings and Barrett (1995) Methods Enzymol. 248, 183-228). Thimet oligopeptidase has not yet been assigned to either cla...

journal_title：FEBS letters

authors： Chen JM,Stevens RA,Wray PW,Rawlings ND,Barrett AJ

更新日期：1998-09-11 00:00:00

abstract：:Blood flukes of the genus Schistosoma currently infect millions of people in tropical and subtropical countries. An enzyme playing a major role in hemoglobin (Hb) degradation by Schistosoma mansoni has been cloned and shown to be highly similar to the human cathepsin D aspartyl proteinase, although presenting a distin...

journal_title：FEBS letters

authors： Silva FP Jr,Ribeiro F,Katz N,Giovanni-De-Simone S

更新日期：2002-03-13 00:00:00

abstract：:The residues on MAP kinase kinase-1 (MAPKK1) phosphorylated by MAP kinase in vitro have been identified as Thr-291 and Thr-385. Both threonines are phosphorylated in PC12 cells and the 32P-labelling of each residue increases after stimulation with nerve growth factor (NGF). The results establish that MAPKK1 is a physi...

journal_title：FEBS letters

authors： Saito Y,Gomez N,Campbell DG,Ashworth A,Marshall CJ,Cohen P

更新日期：1994-03-14 00:00:00

abstract：:Currently described substrates of the bacterial Tat protein transport system are directed for export by signal peptides containing a pair of invariant arginine residues. The signal peptide of the TtrB subunit of Salmonella enterica tetrathionate reductase contains a single arginine residue but is nevertheless able to ...

journal_title：FEBS letters

authors： Hinsley AP,Stanley NR,Palmer T,Berks BC

更新日期：2001-05-18 00:00:00

abstract：:Incubation of HER14 cells with phorbol myristate acetate (PMA) decreases epidermal growth factor (EGF)-dependent protein tyrosine phosphorylation, except for a 40-kDa MAP kinase II-like protein, whose tyrosine phosphorylation is further enhanced. The inhibitory effect of PMA on EGF-dependent protein tyrosine phosphory...

journal_title：FEBS letters

authors： Errasfa M,Stern A

更新日期：1994-02-14 00:00:00

abstract：:In Alzheimer's disease (AD) brain, microtubule-associated protein tau is abnormally modified by hyperphosphorylation and glycosylation, and is aggregated as neurofibrillary tangles of paired helical filaments. To investigate the role of tau glycosylation in neurofibrillary pathology, we isolated various pools of tau p...

journal_title：FEBS letters

authors： Liu F,Zaidi T,Iqbal K,Grundke-Iqbal I,Merkle RK,Gong CX

更新日期：2002-02-13 00:00:00

abstract：:Three DNA restriction fragments designated tyrT, 102-mer and 70-mer, have been used as substrates for footprinting studies using DNase I in the presence of the structurally similar antibiotics chartreusin and elsamicin A. The sequence-selective binding sites of the antibiotics can be mapped in regions which are rich i...

journal_title：FEBS letters

authors： Salas X,Portugal J

更新日期：1991-11-04 00:00:00