alpha-Allenyl putrescine, an enzyme-activated irreversible inhibitor of bacterial and mammalian ornithine decarboxylases.

abstract：:The covalently closed circular DNA (cccDNA) of hepatitis B virus (HBV) is a viral center molecule for HBV infection and persistence. However, the cellular restriction factors of HBV cccDNA are not well understood. Here, we show that TGF-β can induce nuclear viral cccDNA degradation and hypermutation via activation-ind...

journal_title：FEBS letters

authors： Qiao Y,Han X,Guan G,Wu N,Sun J,Pak V,Liang G

更新日期：2016-02-01 00:00:00

abstract：:Mutual arrangement of histone H1 molecules in chromatin extended in low salt-EDTA buffer and additionally in the presence of urea was studied by means of reversible cross-linking combined with chymotryptic digestion. In the chromatins tested, the chymotryptic halves of H1 were cross-linked in all possible combinations...

journal_title：FEBS letters

authors： Nikolaev LG,Glotov BO,Dashkevich VK,Barbashov SF,Severin ES

更新日期：1983-10-31 00:00:00

abstract：:A simple model is put forward to explain the long-known three-base periodicity in coding DNA. We propose the concept of same-phase triplet clustering, i.e. a condition wherein a triplet appears several times in one phase without interruption by the two other possible phases. For instance, in the sequence (i): NTT_GNN_...

journal_title：FEBS letters

authors： Sánchez J,López-Villaseñor I

更新日期：2006-11-27 00:00:00

abstract：:Tea-catechin derivatives are shown to inhibit activities of caspases-3, 2 and 7 in vitro, and prevented experimental apoptosis at the cell and animal levels. Epigallo-catechin-gallate showed the strongest inhibition at 1 x 10(-7)M to these caspases, but cysteine cathepsins and caspase-8 were not inhibited. Caspase-3 i...

journal_title：FEBS letters

authors： Katunuma N,Ohashi A,Sano E,Ishimaru N,Hayashi Y,Murata E

更新日期：2006-02-06 00:00:00

abstract：:The amplification of hTERT was detected in glioma tissues, although telomerase activity was not always found within these specimens. The aim of this study was to correlate the level of hTERT transcription with telomerase activity in two glioma age groups. hTERT was significantly transcribed at similar copy numbers in ...

journal_title：FEBS letters

authors： Shervington A,Patel R

更新日期：2008-05-28 00:00:00

abstract：:We demonstrated that unmodified and modified (phosphorothioate) oligonucleotides prevent cDNA synthesis by AMV or HIV reverse transcriptases. Antisense oligonucleotide/RNA hybrids specifically arrest primer extension. The blockage involves the degradation of the RNA fragment bound to the antisense oligonucleotide by t...

journal_title：FEBS letters

authors： Hatta T,Kim SG,Nakashima H,Yamamoto N,Sakamoto K,Yokoyama S,Takaku H

更新日期：1993-09-13 00:00:00

abstract：:The recognition of recurrent aberrant regions in cancer is important to the discovery of candidate cancer related genes. Here we first constructed a genome-wide gene expression map of squamous lung carcinoma from the Stanford Microarray Database. High-resolution detection of aberrant chromosomal regions was performed ...

journal_title：FEBS letters

authors： Zhang XY,Hu Y,Cui YP,Miao XP,Tian F,Xia YJ,Wu YQ,Liu X

更新日期：2006-05-15 00:00:00

abstract：:The delta-endotoxin produced by Bacillus thuringiensis ssp. entomocidus induced the release of encapsulated [14C]sucrose from reverse-phase vesicles composed of phosphatidylcholine and cholesterol. No such release was detected when the phospholipid component of the vesicles was either phosphatidylethanolamine, phospha...

journal_title：FEBS letters

authors： Yunovitz H,Yawetz A

更新日期：1988-03-28 00:00:00

abstract：:The addition of 5-azacytidine to erythroleukemic cells which were induced to differentiate with DMSO or BA altered the expression of the hemoglobins. After the addition of 5-azacytidine there was an increase in hemoglobin synthesis especially in the embryonic E2 band. The beta-globin increased in synthesis after 5-aza...

journal_title：FEBS letters

authors： Zucker RM,Decal DL,Whittington KB

更新日期：1983-10-17 00:00:00

abstract：:To better understand the outcome of the interaction between TNF-related apoptosis-inducing factor (TRAIL) and tumor cells, we studied TRAIL-resistant melanoma cells resulting from prolonged exposure to TRAIL and found that they had higher proliferative activity than the parental cells both in vitro and in vivo. This w...

journal_title：FEBS letters

authors： Wu JJ,Zhang XD,Gillespie S,Hersey P

更新日期：2005-03-28 00:00:00

abstract：:H/D isotope exchange effects on P680+. reduction by Yz and electron abstraction from the water oxidizing complex (WOC) in redox state S3 by YZOX were analyzed in PS II core complexes from spinach by measurements of laser flash induced absorption changes at 820 nm and 355 nm. The results obtained reveal: (1) the rate o...

journal_title：FEBS letters

authors： Karge M,Irrgang KD,Sellin S,Feinäugle R,Liu B,Eckert HJ,Eichler HJ,Renger G

更新日期：1996-01-08 00:00:00

abstract：:Horseradish peroxidase in the presence of hydrogen peroxide (HRP/H2O2) oxidizes a carcinogenic non-aminoazo dye, 1-phenylazo-2-hydroxynaphthalene (Sudan I) to the ultimate carcinogen, which binds to calf thymus DNA. The principal product of Sudan I oxidation by the HRP/H2O2 system is the benzenediazonium ion. Minor pr...

journal_title：FEBS letters

authors： Stiborová M,Asfaw B,Anzenbacher P

更新日期：1988-05-23 00:00:00

abstract：:Using conserved fingerprints in the glycosyltransferase (GTase) domain of high-molecular-weight penicillin-binding proteins (PBP), a gene (mgt) encoding a putative monofunctional glycosyltransferase has been identified in Haemophilus influenzae and in other bacteria] species. Here we report the cloning of the homologo...

journal_title：FEBS letters

authors： Di Berardino M,Dijkstra A,Stüber D,Keck W,Gubler M

更新日期：1996-08-26 00:00:00

abstract：:A peroxidase with stability, chromatographic and immunoreactive properties similar to that of bovine lactoperoxidase has been partly purified from human colostrum. Hydrophobic interaction chromatography on Phenyl-Sepharose C1-4B gave a 10-fold purification with an apparent recovery of about 45%. The enzyme was quantit...

journal_title：FEBS letters

authors： Langbakk B,Flatmark T

更新日期：1984-09-03 00:00:00

abstract：:Parts of the amino acid sequences of horse and dromedary pancreatic ribonuclease were reinvestigated. The sequence of residues 21-25 in horse ribonuclease is Ser-Asn-Pro-Thr-Tyr or Ser-Asn-Ser-Thr-Tyr. The asparagine in the latter sequence is glycosylated. Horse ribonuclease possesses four additional amino acid residu...

journal_title：FEBS letters

authors： Beintema JJ

更新日期：1985-06-03 00:00:00

abstract：:A novel allergenic member of the family of Ca(2+)-binding proteins has been cloned from olive tree pollen. The isolated DNA codes for a protein of 171 amino acid residues, which displays four EF-hand sequence motifs. The encoded protein was overproduced in Escherichia coli and purified. The protein (18¿ omitted¿795 Da...

journal_title：FEBS letters

authors： Ledesma A,Villalba M,Rodríguez R

更新日期：2000-01-21 00:00:00

abstract：:Hematopoietic progenitor kinase 1 (HPK1) is a hematopoietic cell-restricted member of the Ste20 serine/threonine kinase super family. We recently reported that HPK1 is involved in c-Jun NH2-terminal kinase (JNK) signaling pathway by sequential activation of MLK3-MKK7-JNK3 after cerebral ischemia. Here, we used 4-amino...

journal_title：FEBS letters

authors： Li T,Yu XJ,Zhang GY

更新日期：2008-06-11 00:00:00

abstract：:Epiregulin (EPR), a novel member of epidermal growth factor (EGF) family, is a ligand for ErbB-1 and ErbB-4 receptors. The binding affinity of EPR for the receptors is lower than those of other EGF-family ligands. The solution structure of EPR was determined using two-dimensional nuclear magnetic resonance spectroscop...

journal_title：FEBS letters

authors： Sato K,Nakamura T,Mizuguchi M,Miura K,Tada M,Aizawa T,Gomi T,Miyamoto K,Kawano K

更新日期：2003-10-23 00:00:00

abstract：:A mouse somatostatin (SS) receptor cDNA was cloned from neuroblastoma x glioma (NG108-15) cells. The sequence is almost identical to that of the mouse SSTR2 receptor [(1992) Proc. Natl. Acad. Sci. USA 89, 251)] but lacks about 300 nucleotides between transmembrane domain VII and the C-terminus. This spliced variant of...

journal_title：FEBS letters

authors： Vanetti M,Kouba M,Wang X,Vogt G,Höllt V

更新日期：1992-10-26 00:00:00

abstract：:Anomalously high values of photoinduced absorption changes were revealed in the antenna of photosynthetic purple bacteria. They were found to be 4-16 times greater at the bleaching peak of the antenna than at the bleaching peak of the BChl dimer of the reaction center. This is direct proof of excitation delocalization...

journal_title：FEBS letters

authors： Novoderezhkin VI,Razjivin AP

更新日期：1995-07-17 00:00:00

abstract：:AoXlnR was isolated as a transcriptional activator of the major xylanase gene, xynF1, in Aspergillus oryzae. To investigate the spectrum of genes under the control of AoXlnR, expression of the xylanolytic and cellulolytic genes in an A. oryzae wild type strain, an AoxlnR disruptant and an AoXlnR overexpressed strain w...

journal_title：FEBS letters

authors： Marui J,Kitamoto N,Kato M,Kobayashi T,Tsukagoshi N

更新日期：2002-09-25 00:00:00

abstract：:Ischemia/reperfusion induces nuclear factor kappaB (NF-kappaB) and AP-1 in rat hearts after 15 min of ischemia followed by reperfusion (R) for various periods of time (15 and 30 min, 1, 2, 3, 6, 12, and 24 h). Low levels of NF-kappaB and no signal for AP-1 were detected in shams and in non-ischemic tissue distant from...

journal_title：FEBS letters

authors： Chandrasekar B,Freeman GL

更新日期：1997-01-13 00:00:00

abstract：:Bromodomains present in Brd4 and other chromatin proteins interact with acetylated histones to regulate transcription and cell growth. To study Brd4-chromatin interactions in vivo, histone H4 tail peptides were fused to a synthetic protein transduction domain (PTD) derived from the human immunodeficiency virus Tat and...

journal_title：FEBS letters

authors： Nishiyama A,Mochizuki K,Mueller F,Karpova T,McNally JG,Ozato K

更新日期：2008-04-30 00:00:00

abstract：:The binding of folate to Lactobacillus casei dihydrofolate reductase in the presence and absence of NADP+ has been studied by 15N NMR, using [5-15N]folate. In the presence of NADP+, three separate signals were observed for the single 15N atom, in agreement with our earlier evidence from 1H and 13C NMR for multiple con...

journal_title：FEBS letters

authors： Birdsall B,De Graw J,Feeney J,Hammond S,Searle MS,Roberts GC,Colwell WT,Crase J

更新日期：1987-06-08 00:00:00

abstract：:DNA complementary to mRNA extracted from the thyroid glands of patients suffering from medullary carcinoma of the thyroid (MCT), a calcitonin-producing tumour, was inserted in the Pst site of pBR 322 by G-C tailing. The recombinant plasmids were used to transform Escherichia coli DP 50. Ampicillin-resistant clones wer...

journal_title：FEBS letters

authors： Le Moullec JM,Jullienne A,Chenais J,Lasmoles F,Guliana JM,Milhaud G,Moukhtar MS

更新日期：1984-02-13 00:00:00

abstract：:Human aminopeptidase N carries an apical sorting signal on its ectodomain necessary for its correct transport to the apical membrane in Madin-Darby canine kidney cells. To determine whether the apical sorting signal is localized in the serine/threonine rich stalk or in the catalytic head group, anchor/stalk-minus amin...

journal_title：FEBS letters

authors： Vogel LK,Norén O,Sjöström H

更新日期：1992-08-10 00:00:00

abstract：:Truncated cyclin A and cyclin B lacking the N-terminal domain comprising the 'destruction box' escape from proteolysis and arrest cells at metaphase. Mutation of a conserved arginine residue of the destruction domain makes cyclin B resistant to proteolysis. Here we show that mutation of the same residue also makes cyc...

journal_title：FEBS letters

authors： Lorca T,Devault A,Colas P,Van Loon A,Fesquet D,Lazaro JB,Dorée M

更新日期：1992-07-13 00:00:00

abstract：:Sequence comparisons among methionyl-tRNA synthetases from different organisms reveal only one block of homology beyond the last beta strand of the mononucleotide fold. We have introduced a series of semi-conservative amino acid replacements in the conserved motif of yeast methionyl-tRNA synthetase. The results indica...

journal_title：FEBS letters

authors： Despons L,Walter P,Senger B,Ebel JP,Fasiolo F

更新日期：1991-09-09 00:00:00

abstract：:Neurotrophins support neuronal survival, development, and plasticity through processes requiring gene expression. We studied how vgf target gene transcription is mediated by a critical promoter region containing E-box, CCAAT and cAMP response element (CRE) sites. The p300 acetylase was present in two distinct protein ...

journal_title：FEBS letters

authors： Mandolesi G,Gargano S,Pennuto M,Illi B,Molfetta R,Soucek L,Mosca L,Levi A,Jucker R,Nasi S

更新日期：2002-01-02 00:00:00

abstract：:We previously showed that autocrine tumor necrosis factor (TNF) production in the TNF-sensitive L929sA fibrosarcoma cell line induced TNF resistance, which is correlated with downmodulation of both TNF receptors on the cell surface. We now analyzed whether autocrine TNF production also interfered with intracellular TN...

journal_title：FEBS letters

authors： Decoster E,Vandevoorde V,Beyaert R,Haegeman G,Fiers W

更新日期：1997-10-20 00:00:00