K+ channels activated by L-alanine transport in isolated Necturus enterocytes.

abstract：:We have previously described a partial cDNA sequence encoding a RhoGAP protein, GAP25 that is homologous to the recently reported ArhGAP9 and ArhGAP12. We now describe a related new member ArhGAP15 that shares a number of domain similarities, including a pleckstrin homology (PH) domain, a RhoGAP domain and a novel mot...

journal_title：FEBS letters

authors： Seoh ML,Ng CH,Yong J,Lim L,Leung T

更新日期：2003-03-27 00:00:00

abstract：:A synthetic peptide, KKKKRFSFKKSFKLSGFSFKK, containing the phosphorylation sites of the acidic 80-87 kDa protein kinase C substrate was used to identify phosphopeptides in enzyme digests of this protein from mouse fibroblast C3H/10T1/2 cells. Stimulation of phosphorylation occurred, in vivo, with TPA at Ser7, Ser11 an...

journal_title：FEBS letters

authors： Amess B,Manjarrez-Hernandez HA,Howell SA,Learmonth M,Aitken A

更新日期：1992-02-10 00:00:00

abstract：:Stroke is characterized by massive inflammation in areas surrounding the injury that magnifies damage to the brain. The liver X receptors (LXRs) are nuclear receptors that regulate cholesterol, lipid, and glucose metabolism. Synthetic LXR agonists have potent anti-inflammatory properties in a variety of settings, incl...

journal_title：FEBS letters

authors： Sironi L,Mitro N,Cimino M,Gelosa P,Guerrini U,Tremoli E,Saez E

更新日期：2008-10-15 00:00:00

abstract：:In response to Ca(2+) signaling, cytosolic phospholipase A(2)alpha (cPLA(2)alpha) translocates from the cytosol to the perinuclear membrane, where downstream eicosanoid-synthetic enzymes, such as cyclooxygenase (COX), are localized. Although the spatiotemporal perinuclear colocalization of cPLA(2)alpha and COXs has be...

journal_title：FEBS letters

authors： Murakami M,Das S,Kim YJ,Cho W,Kudo I

更新日期：2003-07-10 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：:Increases in choline containing metabolites have been associated with a number of disorders, including malignant cell growth. In this study, high resolution magic angle spinning (1)H nuclear magnetic resonance spectroscopy was employed to monitor metabolite changes during cell transfection, and an increase in phosphoc...

journal_title：FEBS letters

authors： Griffin JL,Mann CJ,Scott J,Shoulders CC,Nicholson JK

更新日期：2001-12-07 00:00:00

abstract：:Vesicular monoamine transporters (VMAT) catalyze transport of serotonin, dopamine, epinephrine and norepinephrine into subcellular storage organelles in a variety of cells. Accumulation of the neurotransmitter depends on the proton electrochemical gradient across the organelle membrane and involves VMAT-mediated excha...

journal_title：FEBS letters

authors： Shirvan A,Laskar O,Steiner-Mordoch S,Schuldiner S

更新日期：1994-12-12 00:00:00

abstract：:Elongation factor EF-Tu from Escherichia coli was labelled with N-[14C]tosyl-L-phenylalanylchloromethane, digested with trypsin and the peptides obtained separated by HPLC. The only radioactive peak recovered corresponded to tryptic peptide containing residues 75-98. Sequencing of the peptide by automated Edman degrad...

journal_title：FEBS letters

authors： Jonák J,Petersen TE,Clark BF,Rychlík I

更新日期：1982-12-27 00:00:00

abstract：:We report on the cDNA cloning and characterization of a novel short-chain isoprenyl diphosphate synthase from the aphid Myzus persicae. Of the three IPPS cDNAs we cloned, two yielded prenyltransferase activity following expression in Escherichia coli; these cDNAs encode identical proteins except for the presence, in o...

journal_title：FEBS letters

authors： Vandermoten S,Charloteaux B,Santini S,Sen SE,Béliveau C,Vandenbol M,Francis F,Brasseur R,Cusson M,Haubruge E

更新日期：2008-06-11 00:00:00

abstract：:WW domains harbor substrates containing proline-rich motifs, but the substrate specificity and binding mechanism remain elusive for those WW domains less amenable for structural studies, such as human WWP2 (hWWP2). Herein we have employed multiple techniques to investigate the second WW domain (WW2) in hWWP2. Our resu...

journal_title：FEBS letters

authors： Jiang J,Wang N,Jiang Y,Tan H,Zheng J,Chen G,Jia Z

更新日期：2015-07-08 00:00:00

abstract：:The regulation by insulin and carbohydrates of the gene expression of three key enzymes involved in glucose metabolism was studied in the liver of the Wistar fatty rat, a model of obese non-insulin-dependent diabetes mellitus. A high glucose or fructose diet, or insulin administration caused a similar magnitude of inc...

journal_title：FEBS letters

authors： Noguchi T,Matsuda T,Tomari Y,Yamada K,Imai E,Wang Z,Ikeda H,Tanaka T

更新日期：1993-08-09 00:00:00

abstract：:Treatment of yeast phosphoglycerate kinase (PGK) with trypsin results in a fourfold increase in the Vmax of this enzyme, without affecting the Km. This activation is shown to be due to the removal of the C-terminal lysine residue. The C-terminal sequence folds back over the N-terminal domain and contacts the extreme N...

journal_title：FEBS letters

authors： Adams B,Fowler R,Hudson M,Pain RH

更新日期：1996-04-29 00:00:00

abstract：:DNA polymerase alpha-primase is a heterotetrameric complex essential for simian vacuolating virus 40 (SV40) DNA replication. We show that the C-terminal 67 amino acid residues of the human p180 subunit are essential for SV40 DNA replication as they are required for binding of the p68 subunit and play a role in the int...

journal_title：FEBS letters

authors： Smith RW,Nasheuer HP

更新日期：2002-09-11 00:00:00

abstract：:The intracellular expression of recombinant antibodies in mammalian cells is an experimental strategy to inhibit in vivo the function of selected molecules. However, one limitation of this technology is represented by the unpredictable behaviour of antibodies, under conditions of intracellular expression. For this rea...

journal_title：FEBS letters

authors： Gargano N,Cattaneo A

更新日期：1997-09-15 00:00:00

abstract：:Gastric H+,K+-ATPase activity is not affected by Na+ at pH 7.0 but is significantly stimulated by Na+ at pH 8.5. For the stimulation at the latter pH, the presence of both Na+ and K+ were essential. Contrary the H+,K+-ATPase, the associated K+-pNPPase was inhibited by Na+ at both pH values. Sodium competes with K+ for...

journal_title：FEBS letters

authors： Ray TK,Nandi J

更新日期：1985-06-03 00:00:00

abstract：:Prochlorococcus marinus SS120 is an ecologically important and biochemically intriguing marine cyanobacterium. In addition to divinyl chlorophylls (DV-Chls) a and b it possesses a particular form of phycoerythrin (PE), but no other phycobilins and therefore no complete phycobilisomes. Here, a spectroscopic characteris...

journal_title：FEBS letters

authors： Steglich C,Mullineaux CW,Teuchner K,Hess WR,Lokstein H

更新日期：2003-10-09 00:00:00

abstract：:The tomato saponin alpha-tomatine has been proposed to kill sensitive cells by binding to cell membranes followed by leakage of cell components. However, details of the modes of action of the compound on fungal cells are poorly understood. In the present study, mechanisms involved in alpha-tomatine-induced cell death ...

journal_title：FEBS letters

authors： Ito S,Ihara T,Tamura H,Tanaka S,Ikeda T,Kajihara H,Dissanayake C,Abdel-Motaal FF,El-Sayed MA

更新日期：2007-07-10 00:00:00

abstract：:1,2-sn-Dihexanoylglycerol (HHG) reduced the ATP content of HL-60 cells. This concentration-related (10-100 microM) effect reached a maximum of over 90%, was enantiomerically specific and not accompanied by release of lactate dehydrogenase. Oleoylacetylglycerols (3-100 microM) had no effect on ATP levels while phorbol ...

journal_title：FEBS letters

authors： Dawson J,Thompson NT,Bonser RW,Hodson HF,Garland LG

更新日期：1987-04-06 00:00:00

abstract：:The mammalian Ptdlns 3-kinase is shown to be inhibited by low nanomolar concentrations of demethoxyviridin, an antifungal agent structurally related to wortmannin. The inhibitory potency of both compounds could be observed in purified Ptdlns 3-kinase whether or not the regulatory subunit (p85 alpha) was present, sugge...

journal_title：FEBS letters

authors： Woscholski R,Kodaki T,McKinnon M,Waterfield MD,Parker PJ

更新日期：1994-04-04 00:00:00

abstract：:Nitric oxide, as well as being a major regulator of vascular reactivity, has been shown to be one of the mediators of cytotoxicity in macrophages. This cytotoxic effect seems to be due to the interaction between nitric oxide and oxygen-related free radicals. This study shows that, in vitro, nitric oxide reacts with hy...

journal_title：FEBS letters

authors： Noronha-Dutra AA,Epperlein MM,Woolf N

更新日期：1993-04-19 00:00:00

abstract：:Neopterin is synthesized by human monocyte-derived macrophages primarily upon stimulation with the cytokine interferon-gamma. We studied the influence of neopterin on the generation of reactive oxygen species (ROS) in human peripheral blood neutrophils. Radical formation was measured using a biochemiluminometer. Neutr...

journal_title：FEBS letters

authors： Razumovitch JA,Semenkova GN,Fuchs D,Cherenkevich SN

更新日期：2003-08-14 00:00:00

abstract：:We have previously reported that synthetic dsRNA can activate p21 expression by targeting the p21 promoter, thereby suppressing the proliferation of human bladder cancer cells. As complementarity between dsRNA and its target sequences is necessary for RNA activation, miRNAs may also trigger p21 expression through the ...

journal_title：FEBS letters

authors： Wang C,Chen Z,Ge Q,Hu J,Li F,Hu J,Xu H,Ye Z,Li LC

更新日期：2014-12-20 00:00:00

abstract：:Low density lipoproteins are highly sensitive to oxidation by copper salts, and such peroxidation is accompanied by macrophage scavenger receptor recognition. This study shows that fresh human atherosclerotic material (aneurysms and endarterectomies) can contain detectable amounts of redox active iron and copper that ...

journal_title：FEBS letters

authors： Swain J,Gutteridge JM

更新日期：1995-07-24 00:00:00

abstract：:Proteorhodopsin (PR), a retinal-containing seven transmembrane helix protein, functions as a light-driven proton pump. Using PCR, we isolated 18 PR variants originating from the surface of the Arctic Ocean. Their absorption maxima were between 517 and 546 nm at pH 7. One of the isolates turned out to be identical to G...

journal_title：FEBS letters

authors： Jung JY,Choi AR,Lee YK,Lee HK,Jung KH

更新日期：2008-05-28 00:00:00

abstract：:Treatment of the myeloid cell lines, U-937 or HL-60, with 10 nM of the phorbol ester, 12-O-tetradecanoylphorbol-13-acetate (TPA), for 24 h increased the rate of incorporation of [3H]glycerol into total chloroform extracts. A proportionally greater labeling of the non-polar lipid (NL) fraction compared to the polar, ph...

journal_title：FEBS letters

authors： Ponzoni M,DeBell KE,Hoffman T,Bonvini E

更新日期：1990-12-10 00:00:00

abstract：:Treatment of Chinese hamster ovary K1 cells with phosphatidylserine (PS) caused typical apoptosis with distinct morphological and biochemical features in a dose- and time-dependent manner. However, unlike camptothecin-induced apoptosis, changes in mitochondrial transmembrane potential were not observed. In addition, c...

journal_title：FEBS letters

authors： Miyato Y,Ibuki Y,Ohyama H,Yamada T,Goto R

更新日期：2001-08-24 00:00:00

abstract：:The Protein Data Bank (PDB) was established in 1971 as a repository for the three dimensional structures of biological macromolecules. Since then, more than 85000 biological macromolecule structures have been determined and made available in the PDB archive. Through analysis of the corpus of data, it is possible to id...

journal_title：FEBS letters

authors： Berman HM,Coimbatore Narayanan B,Di Costanzo L,Dutta S,Ghosh S,Hudson BP,Lawson CL,Peisach E,Prlić A,Rose PW,Shao C,Yang H,Young J,Zardecki C

更新日期：2013-04-17 00:00:00

abstract：:We have used a gene replacement strategy to delete the previously isolated gene [(1987) EMBO J. 6, 2825-2833] for the cytochrome c oxidase subunit I from Paracoccus denitrificans. The resulting mutant was still able to synthesize active cytochrome c oxidase. This led us to look for another locus which could completely...

journal_title：FEBS letters

authors： Raitio M,Pispa JM,Metso T,Saraste M

更新日期：1990-02-26 00:00:00

abstract：:In the mouse macrophage-like cell line RAW 264, vacuolar-type (H(+))-ATPase (V-ATPase) inhibitors, bafilomycin A(1) and concanamycin A, increased the level of cyclooxygenase (COX)-2 protein and its mRNA. The V-ATPase inhibitor-induced expression of COX-2 was suppressed by inhibitors of c-jun N-terminal kinase (JNK) an...

journal_title：FEBS letters

authors： Kamachi F,Yanai M,Ban HS,Ishihara K,Hong J,Ohuchi K,Hirasawa N

更新日期：2007-10-02 00:00:00

abstract：:Organelles have been studied traditionally as single units, but a novel concept is now emerging: each organelle has distinct functional zones that regulate specific functions. The Golgi apparatus seems to have various zones, including zones for: glycosylphosphatidylinositol-anchored proteins; proteoglycan, mucin and l...

journal_title：FEBS letters

authors： Sasaki K,Yoshida H

更新日期：2019-09-01 00:00:00