Water channel activities of Mimosa pudica plasma membrane intrinsic proteins are regulated by direct interaction and phosphorylation.

abstract：:Lipoic acid is a coenzyme essential to the activity of enzymes such as pyruvate dehydrogenase, which play important roles in central metabolism. However, neither the enzymes responsible for biosynthesis nor the biosynthetic event of lipoic acid has been reported in mammalian cells. In this study, a mouse mLIP1 cDNA fo...

journal_title：FEBS letters

authors： Morikawa T,Yasuno R,Wada H

更新日期：2001-06-01 00:00:00

abstract：:The interaction of Bordetella pertussis adenylate cyclase toxin (CyaA) with complement receptor 3 (CR3, CD11b/CD18) involves N-linked oligosaccharide chains. To investigate the relative importance of the individual N-glycans of CR3 for toxin activity, the asparagine residues of the consensus N-glycosylation sites of C...

journal_title：FEBS letters

authors： Hasan S,Osickova A,Bumba L,Novák P,Sebo P,Osicka R

更新日期：2015-01-30 00:00:00

abstract：:Recombinant vaccinia virus vectors were used to coexpress each of the candidate prohormone convertases PC1, PC2, furin, PACE4 and PC5 with rat prosomatostatin (rProSOM) in the constitutive secreting cell line LoVo and in the endocrine corticotroph cell line AtT-20, which exhibits regulated secretion. Mammalian ProSOM ...

journal_title：FEBS letters

authors： Brakch N,Galanopoulou AS,Patel YC,Boileau G,Seidah NG

更新日期：1995-04-03 00:00:00

abstract：:Heat shock proteins (Hsps) are induced in response to various kinds of environmental and physiological stresses. However, it is unclear whether Hsps play roles in protecting cells in the digestive organs against xenobiotic chemicals. Here, we found that feeding induces expression of a set of Hsps specifically in the m...

journal_title：FEBS letters

authors： Katsuki K,Fujimoto M,Zhang XY,Izu H,Takaki E,Tanizawa Y,Inouye S,Nakai A

更新日期：2004-07-30 00:00:00

abstract：:Sphingolipids are implied in several regulatory processes, including cell death. Levels of the free sphingobase t18:0 (phytosphingosine) increase in Arabidopsis in response to the bacterial pathogen Pseudomonas syringae. To gain information on sphingobase-induced signaling, we determined kinetics of leaf reactive oxyg...

journal_title：FEBS letters

authors： Peer M,Bach M,Mueller MJ,Waller F

更新日期：2011-10-03 00:00:00

abstract：:Di(1,N6-ethenoadenosine)5',5'''-P1,P4-tetraphosphate, epsilon-(Ap4A), a fluorescent analog of Ap4A has been synthesized by reaction of 2-chloroacetaldehyde with Ap4A. At neutral pH this Ap4A analog presents characteristics maxima at 265 and 274 nm, shoulders at ca 260 and 310 nm and moderate fluorescence (lambda exc 3...

journal_title：FEBS letters

authors： Rotilán P,Ramos A,Pintor J,Torres M,Miras-Portugal MT

更新日期：1991-03-25 00:00:00

abstract：:tRNAs play a central role in protein translation, acting as the carrier of amino acids. By cloning microRNAs, we unexpectedly obtained some tRNA fragments generated by tRNA cleavage in the anticodon loop. These tRNA fragments are present in many cell lines and different mouse tissues. In addition, various stress condi...

journal_title：FEBS letters

authors： Fu H,Feng J,Liu Q,Sun F,Tie Y,Zhu J,Xing R,Sun Z,Zheng X

更新日期：2009-01-22 00:00:00

abstract：:Human endothelial cells exposed to H2O2 showed reduced CREP DNA binding activity, enhanced HSF activation, and no induction of NFkappaB binding activity. Interestingly, H2O2 was able to induce NFkappaB subunit p65 translocation in the nucleus. In contrast, cells exposed to TNF alpha showed enhanced CREP binding activi...

journal_title：FEBS letters

authors： Jornot L,Petersen H,Junod AF

更新日期：1997-10-27 00:00:00

abstract：:The 36 kDa fragment of actin molecule obtained with the protease from E. coli A2 strain [(1988) FEBS Lett. 228, 172] was shown to begin with Val-43 and retain the COOH-terminal amino acid residues of the parent molecule. The E. coli protease split actin preserves the NH2-terminal part of the polypeptide chain as well ...

journal_title：FEBS letters

authors： Khaitlina SYu,Collins JH,Kuznetsova IM,Pershina VP,Synakevich IG,Turoverov KK,Usmanova AM

更新日期：1991-02-11 00:00:00

abstract：:Caloric restriction (CR) is known to promote longevity in various species. Sirtuin-mediated deacetylation has been shown to be related to the promotion of longevity in some species. Here, we show that CR of rats led to an increase in the level of Werner syndrome protein (WRN), a recognized DNA repair protein. In addit...

journal_title：FEBS letters

authors： Kahyo T,Mostoslavsky R,Goto M,Setou M

更新日期：2008-07-23 00:00:00

abstract：:On April 1898 Camillo Golgi communicated to the Medical-Surgical Society of Pavia, the discovery of the "internal reticular apparatus", a novel intracellular organelle which he observed in nerve cells with the silver impregnation he had introduced for the staining of the nervous system. Soon after the discovery it bec...

journal_title：FEBS letters

authors： Mazzarello P,Garbarino C,Calligaro A

更新日期：2009-12-03 00:00:00

abstract：:When rat pancreatic islets were incubated with 10(-8) M arginine vasopressin in the presence of 15 mM glucose there was a pronounced inhibition of insulin release in comparison with controls. This inhibitory effect appeared to be specific for vasopressin since it was antagonised by vasopressin antibody. Moreover, pert...

journal_title：FEBS letters

authors： Khalaf LJ,Taylor KW

更新日期：1988-04-11 00:00:00

abstract：:Moloney murine leukemia virus reverse transcriptase (RT) selectively uses deoxyribonucleotides over ribonucleotides (rNTPs) as substrates. Substitution of F155 with valine (F155V) was previously found to increase the enzyme's affinity for rNTPs, though without affecting the V(max) for catalysis, and thereby conferred ...

journal_title：FEBS letters

authors： Liu S,Goff SP,Gao G

更新日期：2006-02-20 00:00:00

abstract：:Small-angle X-ray scattering was used to investigate a complex state of apocalmodulin induced by the binding of a Ca(2+)/calmodulin-dependent protein kinase IV calmodulin target site. Upon binding of the peptide, the molecular weight for apocalmodulin increased by 8.4%, which provides direct evidence for the formation...

journal_title：FEBS letters

authors： Izumi Y,Kuwamoto S,Jinbo Y,Yoshino H

更新日期：2001-04-20 00:00:00

abstract：:Fatty acids induce apoptosis in primary astrocytes by enhancing ceramide synthesis de novo. The possible role of the AMP-activated protein kinase (AMPK) in the control of apoptosis was studied in this model. Long-term stimulation of AMPK with 5-aminoimidazole-4-carboxamide ribonucleoside (AICAR) prevented apoptosis. A...

journal_title：FEBS letters

authors： Blázquez C,Geelen MJ,Velasco G,Guzmán M

更新日期：2001-02-02 00:00:00

abstract：:Mod5 is a multifunctional protein that modifies a subset of tRNAs in the cytoplasm and is also required for an RNA-mediated form of transcriptional silencing. Previous in vivo studies have shown that the nuclear silencing function of Mod5 does not require that the causative tRNA gene encode a Mod5 substrate, although ...

journal_title：FEBS letters

authors： Read DF,Waller TJ,Tse E,Southworth DR,Engelke DR,Smaldino PJ

更新日期：2017-06-01 00:00:00

abstract：:Proline-rich tyrosine kinase2 (Pyk2) is a cytoplasmic tyrosine kinase related to focal adhesion kinase. Pyk2 expression has been known to be restricted to neuronal and hematopoietic cells and Pyk2 tyrosine phosphorylation and its kinase activity is important for the function of monocytes/macrophages. In NB4 acute prom...

journal_title：FEBS letters

authors： Park MH,Park SY,Kim Y

更新日期：2008-02-06 00:00:00

abstract：:In higher eukaryotes, nine aminoacyl-tRNA synthetases form a multienzyme complex also comprising the three auxiliary proteins p18, p38 and p43, of apparent molecular masses of 18, 38 and 43 kDa. The function of these proteins, invariably found associated to the synthetase components of the complex, is unknown. In orde...

journal_title：FEBS letters

authors： Quevillon S,Mirande M

更新日期：1996-10-14 00:00:00

abstract：:The effects of the quaternary agent meproadifen on ACh-activated channel currents were studied on myoballs cultured from hind limb muscles of neonatal rats. Meproadifen (0.02-0.1 microM) combined with ACh (0.1-0.3 microM) in the patch pipette caused an increase, followed by a decrease, in the frequency of channel open...

journal_title：FEBS letters

authors： Aracava Y,Albuquerque EX

更新日期：1984-09-03 00:00:00

abstract：:Analysis of 13 high-resolution protein X-ray crystal structures shows that 1204 (24%) of all the 4974 hydrogen bonds are of the bifurcated three-center type with the donor X-H opposing two acceptors A1, A2. They occur systematically in alpha-helices where 90% of the hydrogen bonds are of this type; the major component...

journal_title：FEBS letters

authors： Preissner R,Egner U,Saenger W

更新日期：1991-08-19 00:00:00

abstract：:LEA (late embryogenesis abundant) proteins are intrinsically disordered proteins that contribute to stress tolerance in plants and invertebrates. Here we show that, when both plant and animal LEA proteins are co-expressed in mammalian cells with self-aggregating polyglutamine (polyQ) proteins, they reduce aggregation ...

journal_title：FEBS letters

authors： Liu Y,Chakrabortee S,Li R,Zheng Y,Tunnacliffe A

更新日期：2011-02-18 00:00:00

abstract：:Cytochrome oxidase exhibits phosphorescence from tryptophan in aqueous solution in the absence of oxygen. The lifetime for the resting reduced enzyme suspended in Tween-20 is around 30 ms at pH 8. The lifetime is longest between pH 7 and 8 and decreases with lowering of pH. Oxygen quenches the phosphorescence with a S...

journal_title：FEBS letters

authors： Papp S,King TE,Vanderkooi JM

更新日期：1991-05-20 00:00:00

abstract：:This study reports for the first time (a) the longitudinal profile of the transmembrane potential (mDeltapsi) of single mitochondria using a Nernstian fluorescent probe and (b) the distribution of mDeltapsi fluctuations of mitochondria undergoing permanent depolarization. Our findings show that (1) mitochondria in dif...

journal_title：FEBS letters

authors： Diaz G,Falchi AM,Gremo F,Isola R,Diana A

更新日期：2000-06-23 00:00:00

abstract：:Vesicular stomatitis virus (VSV) is a prototypic virus commonly used in studies of endocytosis and membrane trafficking. One proposed mechanism for VSV entry involves initial fusion with internal vesicles of multivesicular endosomes followed by back-fusion of these vesicles into the cytoplasm. One feature of endosomal...

journal_title：FEBS letters

authors： Roth SL,Whittaker GR

更新日期：2011-03-23 00:00:00

abstract：:A mouse cDNA encoding for matrilin-3, the third member of the novel matrilin family of extracellular matrix proteins, was cloned. The protein precursor of 481 amino acids consists of a putative signal peptide, a short positively charged sequence, a single vWFA-like domain followed by four epidermal growth factor-like ...

journal_title：FEBS letters

authors： Wagener R,Kobbe B,Paulsson M

更新日期：1997-08-11 00:00:00

abstract：:AQP3 is a water/glycerol transporter expressed at the basolateral membrane of colonic epithelial cells. Although AQPs are expressed in the gastrointestinal tract, their effect on intestinal barrier has not been clear. Here, we showed that knockdown of AQP3 caused a dramatic, dose-dependent increase in E. coli C25 tran...

journal_title：FEBS letters

authors： Zhang W,Xu Y,Chen Z,Xu Z,Xu H

更新日期：2011-10-03 00:00:00

abstract：:Random sequences of 120-130 amino acid residues were inserted into a surface loop region of Escherichia coli RNase HI. This library was screened and about 10% of the clones were found to retain RNase H activity. Subsequent random mutagenesis led to an increase in RNase H activity and solubility of the protein. The ins...

journal_title：FEBS letters

authors： Doi N,Itaya M,Yomo T,Tokura S,Yanagawa H

更新日期：1997-02-03 00:00:00

abstract：:Genetic factors seem to play a significant role in susceptibility to systemic lupus erythematosus (SLE). We previously described the amino acid polymorphism (Val14Met) within the IFN-gamma receptor 1 (IFN-gammaRI), and that the frequency of the Metl4 allele in SLE patients was significantly higher than that of the hea...

journal_title：FEBS letters

authors： Nakashima H,Inoue H,Akahoshi M,Tanaka Y,Yamaoka K,Ogami E,Nagano S,Arinobu Y,Niiro H,Otsuka T,Niho Y

更新日期：1999-06-18 00:00:00

abstract：:Using specific monoclonal and polyclonal antibodies, we have analyzed protein kinase C alpha and beta isozyme expression in human T cells from peripheral blood (PB) and from thymus. While the PKC beta isozyme was present in all T cell sub-types isolated from both PB and thymus, the alpha isozyme was found only in sing...

journal_title：FEBS letters

authors： Tarantino N,Debré P,Körner M

更新日期：1994-02-07 00:00:00

abstract：:Recently, we have reported the presence of kinetin (N6-furfuryladenine) in commercially available DNA, in freshly extracted cellular DNA and in plant cell extracts. We have also found that kinetin has electrochemical properties which can be used for monitoring the level of this modified base in DNA. Here, for the firs...

journal_title：FEBS letters

authors： Barciszewski J,Siboska GE,Pedersen BO,Clark BF,Rattan SI

更新日期：1997-09-08 00:00:00