The effect of crystallinity on hydroxyapatite-induced production of reactive oxygen metabolites by polymorphonuclear leukocytes.

abstract：:Domain structures of porcine lung and testicular angiotensin-converting enzymes (ACE) were studied by radiation inactivation to test the hypothesis that lung ACE has two catalytic sites localized to discrete, structurally independent domains (the N- and C-domains) of approximately equal size. The minimum functional si...

journal_title：FEBS letters

authors： Sakaguchi H,Hirose S,Kume T,Hagiwara H

更新日期：1992-06-29 00:00:00

abstract：:Hypoglycaemia is a major complication of severe malaria [(1990) Trans. Roy. Soc. Trop. Med. 84 (suppl. 2) 1-65], especially cerebral malaria, in which it is associated with increased mortality [(1990) Lancet 336, 1039-1043; (1989) Quart. J. Med. (New series) 71, 441-459]; however, the mechanisms responsible have not b...

journal_title：FEBS letters

authors： Taylor K,Carr R,Playfair JH,Saggerson ED

更新日期：1992-10-26 00:00:00

abstract：:The effects of metal cations on the activation of recombinant human SK4 (also known as hIK1 or hKCa4) channels, expressed in HEK 293 cells, were tested using patch clamp recording. Of the nine metals tested, cobalt, iron, magnesium, and zinc did not activate the SK4 channels when applied, at concentrations up to 100 m...

journal_title：FEBS letters

authors： Cao YJ,Houamed KM

更新日期：1999-03-05 00:00:00

abstract：:The myo-inositol 1,4,5-trisphosphate (IP3)-induced Ca2+ mobilization in single saponin-permeabilized and fura-2-loaded parietal cells was analysed by a fluorescence digital image processor. When the cells were incubated with ATP, free cytoplasmic Ca2+ concentration [( Ca2+]i) increased in some restricted cytoplasmic r...

journal_title：FEBS letters

authors： Tsunoda Y,Yodozawa S,Tashiro Y

更新日期：1988-04-11 00:00:00

abstract：:The archaeal exosome, a protein complex responsible for phosphorolytic degradation and tailing of RNA, has an RNA-binding platform containing Rrp4, Csl4, and DnaG. Aiming to detect novel interaction partners of the exosome, we copurified Nop5, which is a part of an rRNA methylating ribonucleoprotein complex, with the ...

journal_title：FEBS letters

authors： Gauernack AS,Lassek C,Hou L,Dzieciolowski J,Evguenieva-Hackenberg E,Klug G

更新日期：2017-12-01 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：:Protein import into isolated tobacco mitochondria was investigated using mitochondria from leaves harvested at different times of the day and night. Efficient import was only detected with mitochondria isolated from leaves harvested during the dark period of the growth cycle, only low levels of import were detected fr...

journal_title：FEBS letters

authors： Dessi P,Whelan J

更新日期：1997-09-29 00:00:00

abstract：:A new assay for the calcium channel activity of annexin V was developed. The calcium-sensitive fluorescence indicator, fura-2, was incorporated into large unilamellar vesicles (LUV). After establishing a calcium gradient across the liposomal membranes, native or mutated annexin V was added. The resulting calcium influ...

journal_title：FEBS letters

authors： Berendes R,Burger A,Voges D,Demange P,Huber R

更新日期：1993-02-08 00:00:00

abstract：:We have recently developed a method to produce native human proinsulin using a bacterial expression system. A proinsulin fusion protein was recovered from inclusion bodies and cleaved using cyanogen bromide. The released proinsulin polypeptide was S-sulfonated and purified by anion exchange chromatography. Following r...

journal_title：FEBS letters

authors： Cowley DJ,Mackin RB

更新日期：1997-02-03 00:00:00

abstract：:The integrin alpha IIb beta 3-mediated redistribution of the tyrosine kinases pp125FAK and pp60Src and the small GTP-binding proteins CDC42Hs and Rap1B from the membrane skeleton to the cytoskeleton was found to be reversible: upon prolonged platelet aggregation (up to 15 min) induced by the thrombin-receptor activati...

journal_title：FEBS letters

authors： Dash D,Aepfelbacher M,Siess W

更新日期：1995-04-24 00:00:00

abstract：:Single molecule localization microscopy (SMLM), which can provide up to an order of magnitude improvement in spatial resolution over conventional fluorescence microscopy, has the potential to be a highly useful tool for quantitative biological experiments. It has already been used for this purpose in varied fields in ...

journal_title：FEBS letters

authors： Shivanandan A,Deschout H,Scarselli M,Radenovic A

更新日期：2014-10-01 00:00:00

abstract：:Intracellular accumulation of anthracycline derivatives was measured in a human embryonic kidney cell line (HEK) and a resistant subline (HEK/multidrug resistance protein (MRP1)) overexpressing MRP1 at the plasma membrane surface. Two compounds (daunorubicin and doxorubicin) were rejected outside the multidrug-resista...

journal_title：FEBS letters

authors： Manciu L,Chang X,Riordan JR,Buyse F,Ruysschaert JM

更新日期：2001-03-23 00:00:00

abstract：:In this paper we introduce monobromobimane, a thiol reagent, as a selective blocker of the recently identified dithiol whose oxidation-reduction status modifies voltage sensing by the mitochondrial permeability transition pore, a cyclosporin A-sensitive channel. Monobromobimane does not inhibit the phosphate carrier, ...

journal_title：FEBS letters

authors： Costantini P,Chernyak BV,Petronilli V,Bernardi P

更新日期：1995-04-03 00:00:00

abstract：:While long-term effects of temperature treatment in respect of, e.g., gene-expression and cellular function have already been studied in some detail, nothing is known on the physiological responses of lymphocytes during short-term hypothermal shifts. In this report, we characterized the effects of such a stimulation u...

journal_title：FEBS letters

authors： Wurm S,Paar C,Sonnleitner A,Sonnleitner M,Höglinger O,Romanin C,Wechselberger C

更新日期：2004-05-21 00:00:00

abstract：:The cholecystokinin (CCK) receptor in purified plasma membranes prepared from mouse pancreatic acini had a binding affinity of 1.8 nM, an acid pH optimum between 6.0 and 6.5, and an analog specificity of CCK8 greater than CCK33 greater than desulphated CCK8 greater than CCK4. Binding of CCK to its receptor was abolish...

journal_title：FEBS letters

authors： Sakamoto C,Williams JA,Wong KY,Goldfine ID

更新日期：1983-01-10 00:00:00

abstract：:To clarify the function of osteopontin in osteoblast differentiation, we have examined the signal transduction pathway in an osteoblastic cell line (UMR106-6) bound to osteopontin, fibronectin, vitronectin and collagen type I surfaces. This was done by investigating the production and autophosphorylation of focal adhe...

journal_title：FEBS letters

authors： Liu YK,Uemura T,Nemoto A,Yabe T,Fujii N,Ushida T,Tateishi T

更新日期：1997-12-22 00:00:00

abstract：:To date the only tRNAs containing nucleosides modified with a selenium (5-carboxymethylaminomethyl-2-selenouridine and 5-methylaminomethyl-2-selenouridine) have been found in bacteria. By using tRNA anticodon-stem-loop fragments containing S2U, Se2U, or geS2U, we found that in vitro tRNA 2-selenouridine synthase (SelU...

journal_title：FEBS letters

authors： Sierant M,Leszczynska G,Sadowska K,Komar P,Radzikowska-Cieciura E,Sochacka E,Nawrot B

更新日期：2018-07-01 00:00:00

abstract：:A UV irradiation-induced mutant of Bacillus sphaericus 2362 whose sporulation was inhibited neither by natural amino acids nor by L-ethionine was selected. The mutant (A61) grew slowly in rich amino acid medium and contained increased concentrations of heat-resistant spores throughout the growth. Slow growth of A61 wa...

journal_title：FEBS letters

authors： Andreev J,Dibrov PA,Braun S

更新日期：1994-06-27 00:00:00

abstract：:The enantiomers of U50,488, ligands highly selective for kappa-opioid receptors, have been prepared by a refined procedure and their optical purity demonstrated. The absolute configuration of (+)-trans-2-pyrrolidinyl-N-methylcyclohexylamine, a chemically versatile intermediate for synthesis of analogs of kappa-opioid ...

journal_title：FEBS letters

authors： DeCosta B,George C,Rothman RB,Jacobson AE,Rice KC

更新日期：1987-11-02 00:00:00

abstract：:Glycoprotein synthesis is initiated in the endoplasmic reticulum (ER) lumen upon transfer of a glycan (Glc3Man9GlcNAc2) from a lipid derivative to Asn residues (N-glycosylation). N-Glycan-dependent quality control of glycoprotein folding in the ER prevents exit to Golgi of folding intermediates, irreparably misfolded ...

journal_title：FEBS letters

authors： Caramelo JJ,Parodi AJ

更新日期：2015-11-14 00:00:00

abstract：:The effects of protein disulfide isomerase (PDI) on the four structured des species that accumulate in the rate-determining steps of ribonuclease A folding were investigated at pH 8.0 and 15 degrees C. The results indicate that PDI catalyzes the conversion of the kinetically trapped intermediates, des-[26-84] and des-...

journal_title：FEBS letters

authors： Shin HC,Song MC,Scheraga HA

更新日期：2002-06-19 00:00:00

abstract：:A cDNA clone (pUP-23) corresponding to a member of a protein family that includes inhibitors of trypsin and of heterologous alpha-amylases has been selected from a library derived from developing barley endosperm and its sequence has been determined. A stretch of 95 nucleotides that included the signal peptide and the...

journal_title：FEBS letters

authors： Lázaro A,Rodriguez-Palenzuela P,Maraña C,Carbonero P,Garcia-Olmedo F

更新日期：1988-10-24 00:00:00

abstract：:In this work, we investigated electron transport around the photosynthetic pigment-protein complex of Photosystem I (PS I) mediated by external high-potential electron carrier 2,3-dichloro-1,4-naphtoquinone (Cl2 NQ) and ascorbate. It has been demonstrated that the oxidized species of Cl2 NQ and ascorbate serve as inte...

journal_title：FEBS letters

authors： Petrova AA,Trubitsin BV,Boskhomdzhieva BK,Semenov AY,Tikhonov AN

更新日期：2018-07-01 00:00:00

abstract：:Photo-oxidized low-density lipoprotein is cytotoxic to bovine aortic endothelial cells in a concentration-dependent manner. Total cell killing occurs at a concentration of 600 mumol/l lipid hydroperoxide (LOOH). Selenium deficiency enhances the toxicity of LOOH such that 300 mumol/l LOOH is cytotoxic. This toxicity is...

journal_title：FEBS letters

authors： Struck AT,Hogg N,Thomas JP,Kalyanaraman B

更新日期：1995-03-20 00:00:00

abstract：:The gamma subunit of the F1 moiety of the bovine mitochondrial H(+)-ATP synthase is shown to function as a component of the gate. Addition of purified gamma subunit to F0-liposomes inhibits transmembrane proton conduction. This inhibition can be removed by the bifunctional thiol reagent diamide. Immunoblot analysis sh...

journal_title：FEBS letters

authors： Papa S,Guerrieri F,Zanotti F,Fiermonte M,Capozza G,Jirillo E

更新日期：1990-10-15 00:00:00

abstract：:We previously isolated a Saccharomyces cerevisiae mutant (HsTnII), which displays 40% reduced chronological lifespan as compared to the wild type (WT). In this study, we found HsTnII cultures to be characterized by fragmented and dysfunctional mitochondria, and by increased initiation of apoptosis during chronological...

journal_title：FEBS letters

authors： Aerts AM,Zabrocki P,Govaert G,Mathys J,Carmona-Gutierrez D,Madeo F,Winderickx J,Cammue BP,Thevissen K

更新日期：2009-01-05 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：:Kinetic analyses of cpTat-mediated protein transport across the thylakoid membrane were conducted, revealing three important characteristics of this translocation pathway. First, transport via the cpTAT system displays a non-Michaelis-Menten, sigmoidal rate-substrate relationship with an apparent Hill coefficient of 1...

journal_title：FEBS letters

authors： Alder NN,Theg SM

更新日期：2003-04-10 00:00:00

abstract：:A selective PKC inhibitor, UCN-01, was shown to exhibit anti-tumor activity in vitro and in vivo. We investigated UCN-01 with respect to isozyme-specific PKC inhibition using purified recombinant or rabbit brain PKC isozymes, cPKC alpha, beta and gamma, nPKC delta, epsilon and eta, and a PKC zeta. Of the PKC isozymes ...

journal_title：FEBS letters

authors： Mizuno K,Noda K,Ueda Y,Hanaki H,Saido TC,Ikuta T,Kuroki T,Tamaoki T,Hirai S,Osada S

更新日期：1995-02-13 00:00:00

abstract：:Using radiolabeled specific cDNA glutamine synthetase mRNA could be detected by in situ hybridization exclusively within those few perivenous hepatocytes which stained immunocytochemically for glutamine synthetase. This localization of glutamine synthetase mRNA was recently reported by Moorman et al. [(1988) J. Histoc...

journal_title：FEBS letters

authors： Gebhardt R,Ebert A,Bauer G

更新日期：1988-12-05 00:00:00