Large unilamellar liposomes with low uptake into the reticuloendothelial system.

abstract：:The Bacillus thuringiensis Cry toxin causes swelling and necrosis in insect cells, but the route(s) and significance of the water influx involved in its cytotoxicity are unclear. Here, we assessed the role of aquaporins (AQPs), known as water channels, in Cry toxin intoxication. An AQP inhibitor did not interfere with...

journal_title：FEBS letters

authors： Endo H,Azuma M,Adegawa S,Kikuta S,Sato R

更新日期：2017-01-01 00:00:00

abstract：:Various antihyperlipemic peroxisome proliferators are known to be carcinogenic in rodents but not in human, other primates and guinea pig, which species lost their ability to synthesize ascorbate due to mutations in the gulonolactone oxidase gene. Ascorbate synthesis is accompanied by H2O2 production, consequently its...

journal_title：FEBS letters

authors： Braun L,Mile V,Schaff Z,Csala M,Kardon T,Mandl J,Bánhegyi G

更新日期：1999-09-24 00:00:00

abstract：:We recently purified two closely related 33 kDa proteins from rat hepatic cytosol, designated bile acid binder I and II, which selectively bind bile acids with comparable affinity as glutathione S-transferase B. This work has now been extended to human liver in which we have identified a similar cytosolic binding acti...

journal_title：FEBS letters

authors： Stolz A,Sugiyama Y,Kuhlenkamp J,Kaplowitz N

更新日期：1984-11-05 00:00:00

abstract：:The molecular basis and functional properties of a variant antithrombin (AT) protein. AT Budapest 3, were studied. A single base substitution was identified in codon 99, CTC----TTC, altering the normal leucine to phenylalanine. The proband presented with a history of venous thrombotic disease and was found to be homoz...

journal_title：FEBS letters

authors： Olds RJ,Lane DA,Boisclair M,Sas G,Bock SC,Thein SL

更新日期：1992-04-06 00:00:00

abstract：:We have reported previously on the ability of Lactobacillus reuteri to produce a compound with vitamin B(12) activity. Here we report on the chemical characterisation of this corrinoid-like molecule. High performance liquid chromatography coupled to an ultraviolet diode array detector, mass spectrometry and nuclear ma...

journal_title：FEBS letters

authors： Santos F,Vera JL,Lamosa P,de Valdez GF,de Vos WM,Santos H,Sesma F,Hugenholtz J

更新日期：2007-10-16 00:00:00

abstract：:Polyamine depletion, obtained in FAO cells with specific inhibitors of biosynthetic enzymes, prevents or decreases the accumulation of hsp 70 mRNA following heat shock [Desiderio et al., Hepatology 24 (1996) 150-156]. The present study shows that under conditions of spermidine depletion caused by alpha-difluoromethylo...

journal_title：FEBS letters

authors： Desiderio MA,Dansi P,Tacchini L,Bernelli-Zazzera A

更新日期：1999-07-16 00:00:00

abstract：:The entire structure of a 98 kb genomic region that abounds in genes related to magnetosome synthesis was first described in the Magnetospirillum sp. strain AMB-1. The deletion of this 98 kb genomic region and the circular form after excision from the chromosome was detected by PCR amplification. This strongly suggest...

journal_title：FEBS letters

authors： Fukuda Y,Okamura Y,Takeyama H,Matsunaga T

更新日期：2006-02-06 00:00:00

abstract：:Recently, we reported two novel early-staged encapsulation-relating proteins (56 kDa and 48 kDa ERPs) isolated from the hemolymph of coleopteran insect, Tenebrio molitor larvae [Cho et al. (1999) Eur. J. Biochem. (in press)]. Here, a cDNA clone for another early-staged encapsulation-relating protein (86 kDa) was isola...

journal_title：FEBS letters

authors： Cho MY,Choi HW,Moon GY,Kim MH,Kwon TH,Homma K,Natori S,Lee BL

更新日期：1999-05-28 00:00:00

abstract：:Challenge of Rhodobacter capsulatus cells with the superoxide propagator methyl viologen resulted in the induction of a diaphorase activity identified as a member of the ferredoxin (flavodoxin)-(reduced) nicotinamide adenine dinucleotide phosphate (NADP(H)) reductase (FPR) family by N-terminal sequencing. The gene cod...

journal_title：FEBS letters

authors： Bittel C,Tabares LC,Armesto M,Carrillo N,Cortez N

更新日期：2003-10-23 00:00:00

abstract：:Recent studies indicate that junctophilin (JP) subtypes contribute to the formation of the junctional membrane complexes between the plasma membrane and the endoplasmic/sarcoplasmic reticulum (ER/SR) in excitable cells. Cardiac muscle contains the diad, in which the transverse (T) tubule of the invaginated cell membra...

journal_title：FEBS letters

authors： Komazaki S,Nishi M,Takeshima H

更新日期：2003-05-08 00:00:00

abstract：:miR398 links expression of the three major chloroplast copper proteins, plastocyanin, CCS1 and Csd2, to copper availability. miR398 abundance was stronger plastocyanin-controlled in accessions from cold and continental habitats (Kas-1, Ms-0, WS) than in Cvi-0 and Col-0. Target gene regulation was broken for Csd2 in Cv...

journal_title：FEBS letters

authors： Juszczak I,Baier M

更新日期：2012-09-21 00:00:00

abstract：:Cells of Saccharomyces cerevisiae were loaded with indo-1, by incubation in a medium of pH 4.5, which contained penta-potassium indo-1. Cells were then washed and resuspended in a buffer of pH 4.0. The emission fluorescence spectra were recorded between 390 and 500 nm (excitation at 355 nm) and the autofluorescent spe...

journal_title：FEBS letters

authors： Halachmi D,Eilam Y

更新日期：1989-10-09 00:00:00

abstract：:The ∆Np63 isoform of the p53-family transcription factor Trp63 is a key regulator of mammary epithelial stem cells that is involved in breast cancer development. To investigate the role of ∆Np63 at different stages of normal mammary gland development, we generated a ∆Np63-inducible conditional knockout (cKO) mouse mod...

journal_title：FEBS letters

authors： Kumar S,Nandi A,Mahesh A,Sinha S,Flores E,Chakrabarti R

更新日期：2020-03-01 00:00:00

abstract：:The polytopic transmembrane protein, Niemann-Pick C1-Like 1 (NPC1L1), is enriched in the apical membrane of small intestine absorptive enterocytes where it mediates extracellular sterol transport across the brush border membrane. It is essential for intestinal sterol absorption and is the molecular target of ezetimibe...

journal_title：FEBS letters

authors： Betters JL,Yu L

更新日期：2010-07-02 00:00:00

abstract：:Parathyroid hormone (PTH) secretion is stimulated by low extracellular calcium (Ca2+) in association with a reduction in cyosolic Ca2+, indicating that this cell type does not conform to classical models of stimulus-secretion coupling. We used the phorbol ester TPA (12-O-tetradecanoyl phorbol 13-acetate), which direct...

journal_title：FEBS letters

authors： Brown EM,Redgrave J,Thatcher J

更新日期：1984-09-17 00:00:00

abstract：:BIR domain and its containing proteins play critical roles in cell apoptosis and cell division. Here several lines of novelty were revealed based on a comprehensive evolutionary analysis of BIR domains in 11 representative organisms. First, the type II BIR domains in Survivin and Bruce showed more conservation compare...

journal_title：FEBS letters

authors： Cao L,Wang Z,Yang X,Xie L,Yu L

更新日期：2008-11-12 00:00:00

abstract：:When a cell divides prior to completion of DNA replication, serious DNA damage may occur. Thus, in addition to accuracy, the processivity of the replication forks is important. DNA synthesis at replication forks should be completed in time, and forks overcome aberrant structures on the template DNA, including damaged ...

journal_title：FEBS letters

authors： Hizume K,Araki H

更新日期：2019-07-01 00:00:00

abstract：:In developing ideas of how protein structure modifies haem reactivity, the activity of Class I of the plant peroxidase superfamily (including cytochrome c peroxidase, ascorbate peroxidase and catalase-peroxidases (KatGs)) is an exciting field of research. Despite striking sequence homologies, there are dramatic differ...

journal_title：FEBS letters

authors： Zámocký M,Regelsberger G,Jakopitsch C,Obinger C

更新日期：2001-03-16 00:00:00

abstract：:Terminal oligopyrimidine (TOP) mRNAs are a group of messengers translationally regulated according to the growth status of the cell. Two hypotheses have been proposed for the mechanism of the regulation: (i) there is a specific translational regulator which can reversibly alter TOP-mRNA structure, (ii) a component of ...

journal_title：FEBS letters

authors： Loreni F,Amaldi F

更新日期：1997-10-27 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：:The effects of synthetic rat adrenomedullin (rAM), a novel vasorelaxant peptide originally isolated from human pheochromocytoma, on receptor binding and cAMP generation were studied in cultured rat vascular smooth muscle cells (VSMC). A binding study using [125I]rAM revealed the presence of a single class of high-affi...

journal_title：FEBS letters

authors： Eguchi S,Hirata Y,Kano H,Sato K,Watanabe Y,Watanabe TX,Nakajima K,Sakakibara S,Marumo F

更新日期：1994-03-07 00:00:00

abstract：:The amino acid sequence of the alpha-subunit of Gi, the human adenylate cyclase inhibiting GTP-binding protein, has been deduced from the nucleotide sequence of a DNA clone complementary to Gi alpha mRNA from differentiated U937 cells. The cDNA encodes a polypeptide of 355 amino acids (Mr 40456). The amino acid sequen...

journal_title：FEBS letters

authors： Didsbury JR,Ho YS,Snyderman R

更新日期：1987-01-26 00:00:00

abstract：:Structures and regulations of vertebrate channels responsible for sustained calcium elevations after hormone stimulation are largely unknown. Therefore, the Drosophila photoreceptor channels, trp and trpl, which are assumed to be involved in calcium influx, serve as model system, trpl expressed in Sf9 cells showed spo...

journal_title：FEBS letters

authors： Harteneck C,Obukhov AG,Zobel A,Kalkbrenner F,Schultz G

更新日期：1995-01-30 00:00:00

abstract：:C6 rat glioma cells persistently infected with subacute sclerosing panencephalitis virus (C6/SSPE) were treated with measles antiserum and purified anti-measles IgG. This stimulated phosphoinositide breakdown and an increase in inositol phosphates. In uninfected C6 cells, however, only fetal calf serum (FCS), but not ...

journal_title：FEBS letters

authors： Weinmann-Dorsch C,Koschel K

更新日期：1989-04-24 00:00:00

abstract：:Isolated rat islets of Langerhans permeabilised by high-voltage discharge secreted insulin in response to elevations in Ca2+ over the range 100 nM to 10 microM Ca2+. The phorbol ester, 12-O-tetradecanoylphorbol 13-acetate (TPA), had no effects on insulin secretion in the absence of Ca2+. In the presence of Ca2+ concen...

journal_title：FEBS letters

authors： Jones PM,Stutchfield J,Howell SL

更新日期：1985-10-21 00:00:00

abstract：:Nitrogen dioxide (NO2.) is often present in inhaled air and may be generated in vivo from nitric oxide. Exposure of human blood plasma to NO2. caused rapid losses of ascorbic acid, uric acid and protein thiol groups, as well as lipid peroxidation and depletions of alpha-tocopherol, bilirubin and ubiquinol-10. No incre...

journal_title：FEBS letters

authors： Halliwell B,Hu ML,Louie S,Duvall TR,Tarkington BK,Motchnik P,Cross CE

更新日期：1992-11-16 00:00:00

abstract：:The kinetics of AMP-aminohydrolase, which under steady state conditions shows a typical sigmoid dependence of initial velocities versus substrate concentration, have been examined by rapid mixing methods. Using this technique it was observed that when substrate or substrate plus activator (K(+)) were mixed with enzyme...

journal_title：FEBS letters

authors： Suelter CH,Kovacs AL,Antonini E

更新日期：1968-11-01 00:00:00

abstract：:The H-Ras-like suppressor (HRASLS) is a protein family consisting of five members in humans. Despite their discovery as tumor suppressors, we demonstrated that all these proteins are phospholipid-metabolizing enzymes, such as phospholipase (PL) A1 /A2 and acyltransferase. We thus proposed to rename HRASLS1-5 as PLA/ac...

journal_title：FEBS letters

authors： Uyama T,Tsuboi K,Ueda N

更新日期：2017-09-01 00:00:00

abstract：:Bovine leukaemia virus (BLV) is the aetiological agent of Leukosis enzootica bovis [Viral Oncology (1980), G. Klein (Ed.) Raven Press, New York, pp. 231-238], a widely spread disease in cattle. BLV is reported as the animal model of human T-cell leukaemia virus (HLTV) which is the causative agent of adult T-cell leuka...

journal_title：FEBS letters

authors： Précigoux G,Geoffre S,Léonard R,Llido S,Dautant A,d'Estaintot BL,Picard P,Ménard A,Guillemain B,Hospital M

更新日期：1993-07-12 00:00:00

abstract：:Mutual arrangement of histone H1 molecules in chromatin extended in low salt-EDTA buffer and additionally in the presence of urea was studied by means of reversible cross-linking combined with chymotryptic digestion. In the chromatins tested, the chymotryptic halves of H1 were cross-linked in all possible combinations...

journal_title：FEBS letters

authors： Nikolaev LG,Glotov BO,Dashkevich VK,Barbashov SF,Severin ES

更新日期：1983-10-31 00:00:00