Extracellular ATP activates receptor-operated cation channels in mouse lacrimal acinar cells to promote calcium influx in the absence of phosphoinositide metabolism.

abstract：:A phylogenetic analysis, using the open reading frame I sequence of 93 TT viruses (TTV) obtained from various geographical areas, indicated that the virus could be classified into six different genotypes including three hitherto unreported genotypes. The high reliability of the six clusters was confirmed by bootstrap ...

journal_title：FEBS letters

authors： Tanaka Y,Mizokami M,Orito E,Ohno T,Nakano T,Kato T,Kato H,Mukaide M,Park YM,Kim BS,Ueda R

更新日期：1998-10-23 00:00:00

abstract：:Replacements of Asp-295 by Asn (D295N) and Glu (D295E) decreased the catalytic center activity of Leuconostoc mesenteroides sucrose phosphorylase to about 0.01% of the wild-type level (k(cat)=200s(-1)). Glucosylation and deglucosylation steps of D295N were affected uniformly, approximately 10(4.3)-fold, and independen...

journal_title：FEBS letters

authors： Mueller M,Nidetzky B

更新日期：2007-04-03 00:00:00

abstract：:N-Oligosaccharyltransferase catalyzes the N-glycosylation of asparagine residues of nascent polypeptide chains in the endoplasmic reticulum, a pathway highly conserved in all eukaryotes. An enzymatically active complex was isolated from microsomal membranes from Saccharomyces cerevisiae, which is composed of four prot...

journal_title：FEBS letters

authors： Knauer R,Lehle L

更新日期：1994-05-09 00:00:00

abstract：:Fructose 2,6-bisphosphate has been claimed to be both a substrate analogue and an allosteric inhibitor of fructose-1,6-bisphosphatase. The results reported here show that fructose 2,6-bisphosphate can be both an inhibitor and an activator of the enzyme, depending on the substrate concentration. This biphasic behaviour...

journal_title：FEBS letters

authors： Corredor C,Boscá L,Sols A

更新日期：1984-02-27 00:00:00

abstract：:Lactate dehydrogenase (LDH) and yeast alcohol dehydrogenase ( YADH ) are inactivated when attacked by hydroxy free radicals (OH). Organic molecules with a high rate constant of reaction with OH such as ascorbate or urate can compete with the enzymes for these strongly oxidising radicals. However, although 10(-3)M asco...

journal_title：FEBS letters

authors： Kittridge KJ,Willson RL

更新日期：1984-05-07 00:00:00

abstract：:The tailspike protein (TSP) of bacteriophage P22 is a homotrimeric multifunctional protein responsible for cell attachment and hydrolysis of the Salmonella typhimurium host cell receptor. Despite the folding of TSP involves the formation of thermolabile intermediates, the mature protein is extremely resistant to heat ...

journal_title：FEBS letters

authors： Carbonell X,Villaverde A

更新日期：1998-08-07 00:00:00

abstract：:Long noncoding RNA (lncRNA) are emerging as important regulators of diverse biological functions. Although mechanistic models are starting to emerge, it is also clear that the lncRNA field needs appropriate model systems in order to better elucidate the functions of lncRNA and their roles in both physiological and pat...

journal_title：FEBS letters

authors： Leone S,Santoro R

更新日期：2016-08-01 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：:Ovine trophoblastic protein B (oTPB), an embryonic protein, is a 20 kDa secretory protein which is synthesized by the ovine conceptus from days 12 to 22 of pregnancy. oTPB was purified by HPLC using ion-exchange chromatography on a DEAE column and was subsequently chromatographed on a reversed-phase column. Automated ...

journal_title：FEBS letters

authors： Charpigny G,Reinaud P,Huet JC,Guillomot M,Charlier M,Pernollet JC,Martal J

更新日期：1988-02-08 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：:In the presence of ammonium sulfate the absorption spectra of a peroxidase from the fungus Arthromyces ramosus (ARP) showed that the low-spin component increased as the pH increased from 6.0 to 9.0, whereas in its absence ARP remained in the high-spin state in the pH range investigated. The crystal structure of ARP at...

journal_title：FEBS letters

authors： Kunishima N,Amada F,Fukuyama K,Kawamoto M,Matsunaga T,Matsubara H

更新日期：1996-01-15 00:00:00

abstract：:HGTD-P is a hypoxia-responsive pro-apoptotic protein that transmits hypoxic signals directly to mitochondria. When overexpressed, HGTD-P induces cell death via typical mitochondrial apoptotic cascades. However, much is unknown about post-transcriptional modification and signaling networks of HGTD-P in association with...

journal_title：FEBS letters

authors： Kim JY,Kim SM,Ko JH,Yim JH,Park JH,Park JH

更新日期：2006-05-29 00:00:00

abstract：:The ATPase Cdc48 is required for membrane fusion and protein degradation. Recently it has been suggested that Cdc48 in a complex with Ufd1 and Npl4 acts as an ubiquitin-dependent chaperone. Here it is shown that recombinant Cdc48 alone can distinguish between the native and the non-native conformation of model substra...

journal_title：FEBS letters

authors： Thoms S

更新日期：2002-06-05 00:00:00

abstract：:Large amounts of refined sequence material in the form of predicted, curated and annotated genes and expressed sequences tags (ESTs) have recently been added to the NCBI databases. We matched the transcript-sequences of RefSeq, Ensembl and dbEST in an attempt to provide an updated overview of how many unique human gen...

journal_title：FEBS letters

authors： Larsson TP,Murray CG,Hill T,Fredriksson R,Schiöth HB

更新日期：2005-01-31 00:00:00

abstract：:C2cd4c, encoded by a gene belonging to the C2cd4 family, contains a C2 domain conserved across species and is localized to the cytoplasm. To examine the role of C2cd4c in the pancreas, we studied its localization and generated C2cd4c knockout (KO) mice. C2cd4c was expressed in pancreatic endocrine progenitors at early...

journal_title：FEBS letters

authors： Omori H,Ogaki S,Sakano D,Sato M,Umeda K,Takeda N,Nakagata N,Kume S

更新日期：2016-08-01 00:00:00

abstract：:The sequence of the HIV Nef protein has no significant homology to other proteins in the SwissProt database, and experimental data concerning its function are sparse and contradictory. Using a novel protein sequence comparison method, we find similarities between different Nef sequences and the alpha chain of human MH...

journal_title：FEBS letters

authors： Hobohm U,Sander C

更新日期：1993-11-01 00:00:00

abstract：:We investigated the effect of hydroxyl substituted chalcone (1a) and some chalcone analogues (1b-d) on isolated rat liver mitochondria to gain new insights into the cytotoxic mechanism of these compounds. We observed an inhibitory effect on phosphorylation and the partial uncoupling of compounds 1a and 1d. Increased r...

journal_title：FEBS letters

authors： Guzy J,Vasková-Kubálková J,Rozmer Z,Fodor K,Mareková M,Poskrobová M,Perjési P

更新日期：2010-02-05 00:00:00

abstract：:The effect of increasing low density lipoprotein (LDL) concentrations on the synthesis of basement membrane components was investigated in proliferating porcine aortic endothelial cells (PAEC) in culture. Basement membrane-associated heparan sulfate proteoglycan (HSPG) and fibronectin were determined by enzyme immunoa...

journal_title：FEBS letters

authors： Olgemöller B,Schleicher ED,Schwaabe S,Guretzki HJ,Gerbitz KD

更新日期：1990-05-07 00:00:00

abstract：:We used cDNA microarray to identify transforming growth factor beta (TGF-beta) responsive target genes during osteoblast development and found that nephronectin (Npnt) is one such gene that is significantly down-regulated. Here we report the role of TGF-beta in regulating Npnt-mediated osteoblast differentiation. We f...

journal_title：FEBS letters

authors： Fang L,Kahai S,Yang W,He C,Seth A,Peng C,Yang BB

更新日期：2010-07-02 00:00:00

abstract：:Regulation of Na(+)-dependent glutamate transport was studied in isolated luminal and abluminal plasma membranes derived from the bovine blood-brain barrier. Abluminal membranes have Na(+)-dependent glutamate transporters while luminal membranes have facilitative transporters. This organization allows glutamate to be ...

journal_title：FEBS letters

authors： Hawkins RA,Simpson IA,Mokashi A,Viña JR

更新日期：2006-08-07 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：:The antibacterial activity of many small, positively charged peptides and proteins is based on pore formation in lipid bilayers. It is here proposed to arise from an electroporation effect. This hypothesis is supported by calculations of the electrostatic potential of NK-lysin associated to a membrane. For a significa...

journal_title：FEBS letters

authors： Miteva M,Andersson M,Karshikoff A,Otting G

更新日期：1999-11-26 00:00:00

abstract：:The role of Arp3 in mouse development was investigated utilizing a gene trap mutation in the Arp3 gene. Heterozygous Arp3(WT/GT) mice are normal, however, homozygous Arp3(GT/GT) embryos die at blastocyst stage. Earlier embryonic stages appear unaffected by the mutation, probably due to maternal Arp3 protein. Mutant bl...

journal_title：FEBS letters

authors： Vauti F,Prochnow BR,Freese E,Ramasamy SK,Ruiz P,Arnold HH

更新日期：2007-12-11 00:00:00

abstract：:Recombinant Plasmodium falciparum glyoxalase I (PfGlx I) was characterized as monomeric Zn(2+)-containing enzyme of 44 kDa. The K(M) value of the methylglyoxal-glutathione adduct is 77+/-15 microM, the k(cat) value being 4000 min(-1) at 25 degrees C and pH 7.0. PfGlx I consists of two halves, each of which is homologo...

journal_title：FEBS letters

authors： Iozef R,Rahlfs S,Chang T,Schirmer H,Becker K

更新日期：2003-11-20 00:00:00

abstract：:Gap junctions and their connexin components are indispensable in mediating the cellular coordination required for tissue and organ homeostasis. The critical nature of their existence mandates a connection to disease while at the same time offering therapeutic potential. Therapeutic intervention may be offered through ...

journal_title：FEBS letters

authors： Grek CL,Rhett JM,Ghatnekar GS

更新日期：2014-04-17 00:00:00

abstract：:Neuritic plaques are the key pathological feature of Alzheimer's disease, and amyloid beta (Abeta) peptides are major component of these plaques. In this study, we demonstrated the influence of aluminum (Al) on the Abeta peptide degradation by cathepsin D. Al did not directly affect the cathepsin D activity using smal...

journal_title：FEBS letters

authors： Sakamoto T,Saito H,Ishii K,Takahashi H,Tanabe S,Ogasawara Y

更新日期：2006-12-11 00:00:00

abstract：:In order to improve our understanding of membrane protein solubilization by sodium dodecylsulphate, sarcoplasmic reticulum vesicles have been treated with this surfactant at different detergent: protein mole ratios. Effects on Ca2(+)-ATPase activity, membrane protein solubilization, and protein conformation have been ...

journal_title：FEBS letters

authors： Prado A,Muga A,Castresana J,Goñi FM,Arrondo JL

更新日期：1990-09-03 00:00:00

abstract：:The lipid A structure of the Gram-negative bacterium Helicobacter mustelae, a ferret gastric pathogen responsible for the onset of gastric diseases in its host, was investigated. Two variant lipid A structures were found in the same strain. One structure contained a bisphosphorylated beta-(1-->6)-linked D-glucosamine ...

journal_title：FEBS letters

authors： Thérisod H,Monteiro MA,Perry MB,Caroff M

更新日期：2001-06-15 00:00:00

abstract：:A drastic inhibition of protein synthesis occurs in HeLa cells treated with human lymphoblastoid interferon and infected with poliovirus. At the time when this inhibition has been established no degradation of 32P-labelled ribosomal RNA can be detected. Isolation of the mRNAs from poliovirus-infected cells plus or min...

journal_title：FEBS letters

authors： Muñoz A,Harvey R,Carrasco L

更新日期：1983-08-22 00:00:00

abstract：:We show that anthocyanins can function as potent inhibitors of the formation of nitrated tyrosine in vitro, and clarified how pelargonidin (Pel), which has a mono-hydroxyl group on the B-ring, can scavenge peroxynitrite (ONOO(-)) by detection of the reaction products. Pel was reacted with ONOO(-), then the reaction mi...

journal_title：FEBS letters

authors： Tsuda T,Kato Y,Osawa T

更新日期：2000-11-10 00:00:00