Fragmentation of DNA in P388D1 macrophages exposed to oxidised low-density lipoprotein.

abstract：:Crystallographic analysis of a mutated form of "loopful" GH19 chitinase from rye seeds a double mutant RSC-c, in which Glu67 and Trp72 are mutated to glutamine and alanine, respectively, (RSC-c-E67Q/W72A) in complex with chitin tetrasaccharide (GlcNAc)₄ revealed that the entire substrate-binding cleft was completely o...

journal_title：FEBS letters

authors： Ohnuma T,Umemoto N,Kondo K,Numata T,Fukamizo T

更新日期：2013-08-19 00:00:00

abstract：:We have investigated the availability of zinc in the periplasmic space of Escherichia coli using a mutant Cu,Zn superoxide dismutase whose dimerization is triggered by zinc binding. This mutant enzyme accumulates in the monomeric form when wild type cells are grown in minimal medium, but assembles in the dimeric form ...

journal_title：FEBS letters

authors： Berducci G,Mazzetti AP,Rotilio G,Battistoni A

更新日期：2004-07-02 00:00:00

abstract：:Adiponectin and resistin, two recently identified adipocyte-specific secretory factors, are able to modulate insulin actions in target tissues. To investigate their expression and hormonal regulation in brown adipocytes, we used the brown adipocyte cell line T37i, which, beside uncoupling protein expression, secretes ...

journal_title：FEBS letters

authors： Viengchareun S,Zennaro MC,Pascual-Le Tallec L,Lombes M

更新日期：2002-12-18 00:00:00

abstract：:Analysis of the beta-ketoacyl-ACP synthase (KAS) encoded by the fabF gene of Escherichia coli has been hampered by a reported instability of the cloned gene. Here we describe biochemical characterization of purified, active protein from the recombinant fabF gene. This enzyme has the properties ascribed to KAS II and n...

journal_title：FEBS letters

authors： Edwards P,Nelsen JS,Metz JG,Dehesh K

更新日期：1997-01-27 00:00:00

abstract：:Nine analogs of fusion peptide of influenza virus hemagglutinin whose membrane perturbation activity has been thoroughly tested [Murata et al. (1992) Biochemistry 31, 1986-1992; Murata et al. (1993) Biophys. J. 64, 724-734] were characterized by molecular modeling techniques with the aim of delineating any specific st...

journal_title：FEBS letters

authors： Efremov RG,Nolde DE,Volynsky PE,Chernyavsky AA,Dubovskii PV,Arseniev AS

更新日期：1999-11-26 00:00:00

abstract：:The rat synapse associated protein SAP90 is a member of a superfamily of potential guanylate kinases localized at cell-cell contact sites. This superfamily includes the synapse associated protein SAP97, a close relative of SAP90, the Drosophila tumor suppressor gene product dlg-Ap, the mammalian zonula occludens prote...

journal_title：FEBS letters

authors： Kistner U,Garner CC,Linial M

更新日期：1995-02-13 00:00:00

abstract：:Dicarbonyl/L-xylulose reductase (DCXR) converts l-xylulose into xylitol, and reduces various α-dicarbonyl compounds, thus performing a dual role in carbohydrate metabolism and detoxification. In this study, we identified DHS-21 as the only DCXR ortholog in Caenorhabditis elegans. The dhs-21 gene is expressed in variou...

journal_title：FEBS letters

authors： Son le T,Ko KM,Cho JH,Singaravelu G,Chatterjee I,Choi TW,Song HO,Yu JR,Park BJ,Lee SK,Ahnn J

更新日期：2011-05-06 00:00:00

abstract：:Integrin avidity is regulated by changes in the conformation of the heterodimer and cluster formation. We measured cell adhesion by integrin alpha2beta1 (CHO-alpha2) to collagen at short contact times (0.5-60s) by single cell force spectroscopy (SCFS). The adhesion increased rapidly with contact time and was further s...

journal_title：FEBS letters

authors： Tulla M,Helenius J,Jokinen J,Taubenberger A,Müller DJ,Heino J

更新日期：2008-10-15 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：:Polyubiquitylation leading to proteasomal degradation is a well-established mechanism for regulating TGF-β signal transduction components such as receptors and Smads. Recently, an equally important role was suggested for monoubiquitylation of both Smad4 and receptor-associated Smads that regulates their function witho...

journal_title：FEBS letters

authors： Dupont S,Inui M,Newfeld SJ

更新日期：2012-07-04 00:00:00

abstract：:Six chimeras of the skeletal muscle (RyR1) and cardiac muscle (RyR2) Ca(2+) release channels (ryanodine receptors) previously used to identify RyR1 dihydropyridine receptor interactions [Nakai et al. (1998) J. Biol. Chem. 273, 13403] were expressed in HEK293 cells to assess their Ca(2+) dependence in [(3)H]ryanodine b...

journal_title：FEBS letters

authors： Nakai J,Gao L,Xu L,Xin C,Pasek DA,Meissner G

更新日期：1999-10-08 00:00:00

abstract：:Parathyroid hormone (PTH) secretion is stimulated by low extracellular calcium (Ca2+) in association with a reduction in cyosolic Ca2+, indicating that this cell type does not conform to classical models of stimulus-secretion coupling. We used the phorbol ester TPA (12-O-tetradecanoyl phorbol 13-acetate), which direct...

journal_title：FEBS letters

authors： Brown EM,Redgrave J,Thatcher J

更新日期：1984-09-17 00:00:00

abstract：:The possible role of sphingomyelin cycle for the regulation of cell proliferation was investigated in human keratinocytes. The time-dependent breakdown of sphingomyelin was observed in the immortalized human keratinocyte cell line HaCaT as well as in primary human keratinocytes thereby providing evidence that the sphi...

journal_title：FEBS letters

authors： Geilen CC,Bektas M,Wieder T,Orfanos CE

更新日期：1996-01-02 00:00:00

abstract：:A single copy of a glucocorticoid-responsive element (GRE) is sufficient in mediating the combinatorial response of a promoter to both glucocorticoids and insulin in HepG2 cells. This requires the presence of active glucocorticoid receptor (GR) since the response is significantly inhibited by the anti-glucocorticoid R...

journal_title：FEBS letters

authors： Georgakopoulos A,Tsawdaroglou N

更新日期：1996-03-04 00:00:00

abstract：:Recent studies show LDL receptor-related protein 1B, LRP1B as a transducer of extracellular signals. Here, we identify six interacting partners of the LRP1B cytoplasmic region by yeast two-hybrid screen and confirmed their in vivo binding by immunoprecipitation. One of the partners, PICK1 recognizes the C-terminus of ...

journal_title：FEBS letters

authors： Shiroshima T,Oka C,Kawaichi M

更新日期：2009-01-05 00:00:00

abstract：:cDNAs encoding aquaporins PIP1;1, PIP2;1, and TIP1;1 were isolated from Mimosa pudica (Mp) cDNA library. MpPIP1;1 exhibited no water channel activity; however, it facilitated the water channel activity of MpPIP2;1 in a phosphorylation-dependent manner. Mutagenesis analysis revealed that Ser-131 of MpPIP1;1 was phospho...

journal_title：FEBS letters

authors： Temmei Y,Uchida S,Hoshino D,Kanzawa N,Kuwahara M,Sasaki S,Tsuchiya T

更新日期：2005-08-15 00:00:00

abstract：:The formation of cytoplasmic inclusion bodies by Escherichia coli overproducing Clostridium thermocellum endoglucanase D (EGD) was investigated. EGD was found in inclusion bodies as a 68 kDa form, whereas the size of the cytoplasmic form was 65 kDa. Upon solubilization with urea followed by dialysis, the 68 kDa form w...

journal_title：FEBS letters

authors： Tokatlidis K,Dhurjati P,Millet J,Béguin P,Aubert JP

更新日期：1991-04-22 00:00:00

abstract：:Niemann-Pick C (NPC) disease is a progressive neurological disorder in which cholesterol, gangliosides and bis-monoacylglycerol phosphate accumulate in late endosomes/lysosomes. This disease is caused by mutations in either the NPC1 or NPC2 gene. NPC1 and NPC2 are involved in egress of lipids, particularly cholesterol...

journal_title：FEBS letters

authors： Vance JE

更新日期：2006-10-09 00:00:00

abstract：:All ligands of the epidermal growth factor receptor (EGFR), which has important roles in development and disease, are made as transmembrane precursors. Proteolytic processing by ADAMs (a disintegrin and metalloprotease) regulates the bioavailability of several EGFR-ligands, yet little is known about the enzyme respons...

journal_title：FEBS letters

authors： Sahin U,Blobel CP

更新日期：2007-01-09 00:00:00

abstract：:Binding of cysteine proteinases of the papain superfamily (papain and cathepsins B, B-like and L) to basement membranes was studied by using the enzymatic activity of these proteinases against their specific fluorogenic substrates. Papain inactivated by E64 was used for Kd determination by competition experiments. The...

journal_title：FEBS letters

authors： Guinec N,Dalet-Fumeron V,Pagano M

更新日期：1992-08-24 00:00:00

abstract：:We have used a diethylpyrocarbonate (DEPC) modification [(1976) Prog. Nucl. Acids Res. 16, 189-262] to probe the accessibility of adenines essential for coat protein binding in the MS2 translational operator [(1983) Biochemistry 22, 2601-2610, 2610-2615, 4723-4730; (1987) Biochemistry 26, 1563-1568]. The essential ade...

journal_title：FEBS letters

authors： Talbot SJ,Medina G,Fishwick CW,Haneef I,Stockley PG

更新日期：1991-05-20 00:00:00

abstract：:We investigated whether activation of integrin receptors could modulate the expression of monocyte chemotactic protein-1 (MCP-1) in human hepatic stellate cells (HSC), mesenchymal cells responsible for extracellular matrix synthesis within the liver. When compared to non-adherent cells, HSC plated on collagen types I ...

journal_title：FEBS letters

authors： Marra F,Pastacaldi S,Romanelli RG,Pinzani M,Ticali P,Carloni V,Laffi G,Gentilini P

更新日期：1997-09-08 00:00:00

abstract：:Adhesion of platelets to the exposed extracellular matrix proteins at sites of vascular injury is partly regulated by the local fluid shear stress. Because the Leu33Pro (Pl(A)) polymorphism of integrin beta(3) confers only a modest increase in adhesion under static conditions, we used CHO and 293 cells expressing the ...

journal_title：FEBS letters

authors： Vijayan KV,Huang TC,Liu Y,Bernardo A,Dong JF,Goldschmidt-Clermont PJ,Alevriadou BR,Bray PF

更新日期：2003-04-10 00:00:00

abstract：:Human complement component C8gamma is an unusual complement factor since it shows no homology to other complement proteins but is a member of the lipocalin superfamily. So far, it has been found exclusively in plasma, covalently linked to C8alpha by disulfide bridging. We have used dot blot and Northern blot analyses ...

journal_title：FEBS letters

authors： Trojer P,Wojnar P,Merschak P,Redl B

更新日期：1999-03-12 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：: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：: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：:Here we present a method to purify large amounts of highly pure and stably arrested ribosome-nascent chain complexes (RNCs) from Escherichia coli cells. It relies on the combined use of translation-arrest sequences to generate nascent polypeptides of specified length and subsequent tag purification of the RNCs. Moreov...

journal_title：FEBS letters

authors： Rutkowska A,Beerbaum M,Rajagopalan N,Fiaux J,Schmieder P,Kramer G,Oschkinat H,Bukau B

更新日期：2009-07-21 00:00:00

abstract：:Inositol 1,4,5-trisphosphate (1,4,5-InsP3) was perfused into rat dorsal root ganglion (DRG) neurons by whole-cell patch-clamp electrodes, while measuring the membrane potential. This operation evoked a transient (2-3 min) membrane hyperpolarization of about -15 mV (from -42 mV) followed by a depolarization. The membra...

journal_title：FEBS letters

authors： Wang Z,Ypey DL,Van Duijn B

更新日期：1992-06-15 00:00:00

abstract：:Exposure of a human lung epithelial cancer cell-line to hypo-osmotic media led to a marked increase in the rate of efflux from the cells of taurine, a non-essential sulfonic amino acid. The osmotically-activated taurine efflux was inhibited by a range of known Cl- channel blockers, the most potent of which were NPPB a...

journal_title：FEBS letters

authors： Kirk K,Kirk J

更新日期：1993-12-20 00:00:00