The involvement of photosystem II-generated H2O2 in photoinhibition.

abstract：:In kidney cortex tubules isolated from fed rabbits L-alanine is not utilized as glucose precursor, when added as a sole substrate. However, this amino acid decreases gluconeogenesis from low (up to 1 mM) 2-oxoglutarate concentrations and stimulates this process at higher (2.5-10 mM) ketoacid contents in the suspension...

journal_title：FEBS letters

authors： Zabłocki K,Bryła J

更新日期：1989-12-18 00:00:00

abstract：:The OxyR protein is a transcriptional activator for a subset of peroxide stress-inducible genes, most of which are involved in defense systems against oxidative stress. Recently, it was demonstrated that purified OxyR has one intramolecular disulfide bond, which led to the proposal that the reversible disulfide bond f...

journal_title：FEBS letters

authors： Tao K

更新日期：1999-08-20 00:00:00

abstract：:An interpretation of alternative crystal structures of the erythropoietin receptor, with and without ligand, led to the proposal of a scissor-like mechanism of activation. This model has been propagated in the literature and is still being used to interpret crystal structures of related type-I cytokine receptors. Here...

journal_title：FEBS letters

authors： Corbett MS,Poger D,Mark AE

更新日期：2016-09-01 00:00:00

abstract：:Protein misfolding and aggregation are linked to several degenerative diseases and are responsible for the formation of bacterial inclusion bodies. Roles of molecular chaperones in promoting protein deposition have been speculated but not proven in vivo. We have investigated the involvement of individual chaperones in...

journal_title：FEBS letters

authors： Carrió MM,Villaverde A

更新日期：2003-02-27 00:00:00

abstract：:In a previous study [(1987) J. Mol. Biol. 194, 663-673], we isolated ten insertion/deletion mutants (indels) of the maltose binding protein for which the maltose binding constant was only a little or not at all affected. In this paper, we have localized these mutations in the recently solved three-dimensional structur...

journal_title：FEBS letters

authors： Betton JM,Martineau P,Saurin W,Hofnung M

更新日期：1993-06-28 00:00:00

abstract：:Single rat hepatocytes microinjected with aequorin show free Ca oscillations when stimulated with Ca(2+)-mobilizing hormones. We show here that an inhibitor of diacylglycerol kinase (R 59 022) and an analogue of native diacylglycerol (diC8) inhibit free Ca oscillations induced by phenylephrine and vasopressin. These r...

journal_title：FEBS letters

authors： Sanchez-Bueno A,Cobbold PH

更新日期：1992-11-02 00:00:00

abstract：:Mouse interferon (alpha + beta) given to mice by intraperitoneal injection suppressed both the accumulation of putrescine and stimulation of DNA synthesis in liver caused by partial hepatectomy. The suppression of DNA synthesis was completely reversed by exogenous putrescine. The same results were obtained when core 2...

journal_title：FEBS letters

authors： Nishiguchi S,Otani S,Matsui-Yuasa I,Morisawa S,Monna T,Kuroki T,Kobayashi K,Yamamoto S

更新日期：1986-09-01 00:00:00

abstract：:Extracellular ATP itself elicited the generation of superoxide (O2-) in guinea pig peritoneal macrophages associated with an increase in cytosolic calcium ([Ca2+]i). The ATP-induced O2- generation was completely inhibited by pretreatment with pertussis toxin (PT) accompanied by the suppression of [Ca2+]i mobilization....

journal_title：FEBS letters

authors： Nakanishi M,Takihara H,Minoru Y,Yagawa K

更新日期：1991-04-22 00:00:00

abstract：:Cytochrome bd is a bacterial respiratory oxidase carrying three hemes but no copper. We show that nitric oxide (NO) reacts with the intermediate F of cytochrome bd from Azotobacter vinelandii: (i) with a 1:1 stoichiometry, (ii) rapidly (k=1.2 +/- 0.1 x 10(5)M(-1)s(-1) at 20 degrees C), and (iii) yielding the oxidized ...

journal_title：FEBS letters

authors： Borisov VB,Forte E,Sarti P,Brunori M,Konstantinov AA,Giuffrè A

更新日期：2006-09-04 00:00:00

abstract：:Transient receptor potential (TRP) proteins are sensory-related cation channels. TRPV subfamily responds to vanilloids, generating a Ca(2+) current. TRPV1, a thermal-sensitive non-selective ion channel, possesses six transmembrane helices and the intracellular N- and C-terminal domains. The latter contains the PIP(2) ...

journal_title：FEBS letters

authors： Aguado-Llera D,Bacarizo J,Gregorio-Teruel L,Taberner FJ,Cámara-Artigas A,Neira JL

更新日期：2012-04-24 00:00:00

abstract：:A lipid-binding protein identical to the rat intestinal bile acid-binding protein, termed I-15P, was expressed in steroid hormone-producing tissues such as ovary and adrenal gland, but not testis. In immature rats, I-15P was expressed in intestine but not in ovaries. The expression of I-15P in the ovaries of immature ...

journal_title：FEBS letters

authors： Sato E,Fujii H,Fujita M,Kanda T,Iseki S,Hatakeyama K,Tanaka T,Ono T

更新日期：1995-10-30 00:00:00

abstract：:A number of human diseases can be linked to aberrations in protein folding which cause an imbalance in protein homeostasis. Molecular chaperones, including heat shock proteins, act to assist protein folding, stability and activity in the cell. Attention has begun to focus on modulating the expression and/or activity o...

journal_title：FEBS letters

authors： Powers MV,Workman P

更新日期：2007-07-31 00:00:00

abstract：:We show here that phosphorylation of the insulin receptor and insulin receptor substrate-1 is increased when suspended cells are replated on fibronectin. This is not due to decreased numbers of cell surface receptors, alteration of insulin binding, or stimulation of a phosphatase activity in non-adherent cells. Expres...

journal_title：FEBS letters

authors： El Annabi S,Gautier N,Baron V

更新日期：2001-11-02 00:00:00

abstract：:Human natural killer (NK) cells possess an arsenal of receptors programmed to regulate the NK cell functions, once encountering a target cell. In general, the activating receptors mediate cytotoxicity when engaged by their tumor specific, stress induced, virally encoded, or rarely, self ligands. Whereas, the inhibitor...

journal_title：FEBS letters

authors： Stanietsky N,Mandelboim O

更新日期：2010-12-15 00:00:00

abstract：:A new epsilon-N-trimethyllysine metabolite has been isolated from the mycelium of Neurospora crassa. The labelled compound produced from incubations in vivo and in vitro from epsilon-N-trimethyl ([14-C]H3)L-lysine has been identified as 2-keto-epsilon-N-trimethyl-hexanoic acid by reducing its 2,4-dinitrophenyl hydrazo...

journal_title：FEBS letters

authors： Villanueva VR,Lederer E

更新日期：1975-04-01 00:00:00

abstract：:Regulation of supra-macromolecular composition and catalytic activity of a heterodimeric enzyme, gamma-glutamyltransferase, in the system of Aerosol OT (sodium bis(2-ethylhexyl) sulfosuccinate) reversed micelles in octane were studied. Variation of the surfactant hydration degree (parameter, determining dimensions of ...

journal_title：FEBS letters

authors： Kabanov AV,Nametkin SN,Chernov NN,Klyachko NL,Levashov AV

更新日期：1991-12-16 00:00:00

abstract：:Astrocyte-elevated gene-1 (AEG-1) positively regulates tumor progression and metastasis. Here, we document that AEG-1 upregulates transcription of the membrane protein tetraspanin 8 (TSPAN8). Knocking down TSPAN8 in AEG-1-overexpressing human hepatocellular carcinoma (HCC) cells markedly inhibited invasion and migrati...

journal_title：FEBS letters

authors： Akiel MA,Santhekadur PK,Mendoza RG,Siddiq A,Fisher PB,Sarkar D

更新日期：2016-08-01 00:00:00

abstract：:MiR-140 is a microRNA specially involved in chondrogenesis and osteoarthritis pathogenesis. However, its transcriptional regulation and target genes in cartilage development are not fully understood. Here we detected that miR-140 was uniquely expressed in chondrocyte and suppressed by Wnt/β-catenin signalling. The miR...

journal_title：FEBS letters

authors： Yang J,Qin S,Yi C,Ma G,Zhu H,Zhou W,Xiong Y,Zhu X,Wang Y,He L,Guo X

更新日期：2011-10-03 00:00:00

abstract：:The gene for titin, a 4MDa myofibrillar protein, was analysed in golden hamster DNAs from different sources, using human cDNA probes and PCR. In the DNA from the BHK-21-Bi subline of baby hamster kidney cells, extended sequences coding for Z-line associated domains were missing, indicating a deletion that renders titi...

journal_title：FEBS letters

authors： Jäckel M,Witt C,Antonova O,Curdt I,Labeit S,Jockusch H

更新日期：1997-05-12 00:00:00

abstract：:The ABCG2 protein has a key role in the transport of a wide range of structurally dissimilar endo- and xenobiotics in the human body, especially in the tissue barriers and the metabolizing or secreting organs. The human ABCG2 gene harbors a high number of polymorphisms and mutations, which may significantly modulate i...

journal_title：FEBS letters

authors： Sarkadi B,Homolya L,Hegedűs T

更新日期：2020-10-04 00:00:00

abstract：:Sarafotoxins (SRTa, SRTb and SRTc) as well as endothelin-1 (ET-1) produced vasoconstrictions in rat thoracic aorta, rat isolated perfused mesentery and pithed rat in various of extents. The potency was ET-1 greater than SRTb greater than SRTa greater than SRTc at lower doses, but SRTb greater than ET-1 greater than SR...

journal_title：FEBS letters

authors： Kitazumi K,Shiba T,Nishiki K,Furukawa Y,Takasaki C,Tasaka K

更新日期：1990-01-29 00:00:00

abstract：:In plant organelle genomes, homeologous recombination between heteroallelic positions of repetitive sequences is increased by dysfunction of the gene encoding MutS homolog 1 (MSH1), a plant organelle-specific homolog of bacterial mismatch-binding protein MutS1. The C-terminal region of plant MSH1 contains the GIY-YIG ...

journal_title：FEBS letters

authors： Fukui K,Harada A,Wakamatsu T,Minobe A,Ohshita K,Ashiuchi M,Yano T

更新日期：2018-12-01 00:00:00

abstract：:Platelet-activating factor (PAF) is a phospholipid, intermediate in its structure between diacyl- and lysophospholipids. The reorientation of this highly bioactive compound to the inner membrane layer of human erythrocytes after its primary incorporation into the outer membrane layer has been studied. Reorientation wa...

journal_title：FEBS letters

authors： Schneider E,Haest CW,Deuticke B

更新日期：1986-03-31 00:00:00

abstract：:NELL1 is an extracellular protein inducing osteogenic differentiation and bone formation of osteoblastic cells. To elucidate the intracellular signaling cascade evoked by NELL1, we have shown that NELL1 protein transiently activates the MAPK signaling cascade, induces the phosphorylation of Runx2, and promotes the rap...

journal_title：FEBS letters

authors： Bokui N,Otani T,Igarashi K,Kaku J,Oda M,Nagaoka T,Seno M,Tatematsu K,Okajima T,Matsuzaki T,Ting K,Tanizawa K,Kuroda S

更新日期：2008-01-23 00:00:00

abstract：:Comparison of respiration-driven active transport of alkali cations from E. coli cells loaded with Na+ or Li+ showed that Li+ could not be expelled from the cells like Na+. K+ accumulation, which was fast in Na+-loaded cells, was strongly inhibited in Li+-loaded cells, despite high membrane potential and respiratory r...

journal_title：FEBS letters

authors： Verkhovskaya ML,Verkhovsky MI,Wikström M

更新日期：1996-06-17 00:00:00

abstract：:The membrane-membrane fusion during fertilization of oocyte by spermatozoa is believed to be mainly mediated by so called "fusion proteins". In the present study we have tried to demonstrate that beside the proteins, lipid components of membrane may play an important role in fusion of oocyte with spermatozoa. Conventi...

journal_title：FEBS letters

authors： Atif SM,Hasan I,Ahmad N,Khan U,Owais M

更新日期：2006-04-17 00:00:00

abstract：:Calpastatin molecule contains four repeated inhibition domains, each having highly conserved internal regions A, B and C. The synthetic oligopeptides of regions A and C had no calpain inhibition activity while region B oligopeptide showed weak inhibition activity. Real-time biomolecular interaction analysis using a BI...

journal_title：FEBS letters

authors： Takano E,Ma H,Yang HQ,Maki M,Hatanaka M

更新日期：1995-03-27 00:00:00

abstract：:The D- and L-forms of an alpha-helical antifreeze polypeptide (AFP) have been chemically synthesized. Circular dichroism spectra of the molecules show equal and opposite ellipticites. The D- and the L-enantiomers alone, and a 50:50 mixture of the two, all show identical antifreeze activity, but the enantiomeric forms ...

journal_title：FEBS letters

authors： Wen D,Laursen RA

更新日期：1993-02-08 00:00:00

abstract：:The amino acid residue Asn141 of the restriction endonuclease EcoRI was proposed to make three hydrogen bonds to both adenine residues within the recognition sequence -GAATTC-. We have mutated Asn141 to alanine, aspartate, serine, and tyrosine. Only the serine mutant is active under normal buffer conditions although 1...

journal_title：FEBS letters

authors： Fritz A,Küster W,Alves J

更新日期：1998-10-30 00:00:00

abstract：:This study describes the comparative analysis of two insect recombinant aminotransferases, Aedes aegypti 3-hydroxykynurenine (3-HK) transaminase/alanine glyoxylate aminotransferase (Ae-HKT/AGT) and Drosophila melanogaster serine pyruvate aminotransferase (Dm-Spat), which share 52% identity in their amino acid sequence...

journal_title：FEBS letters

authors： Han Q,Li J

更新日期：2002-09-11 00:00:00