Phosphatidylserine induces apoptosis in CHO cells without mitochondrial dysfunction in a manner dependent on caspases other than caspases-1, -3, -8 and -9.

abstract：:We present here a new set of aminoglycoside-arginine conjugates (AACs) that are either site-specific or per-arginine conjugates of paromomycin, neamine, and neomycin B as well as their structure-activity relationships. Their binding constants (KD) for TAR and RRE RNAs, measured by fluorescence anisotropy, revealed dep...

journal_title：FEBS letters

authors： Lapidot A,Vijayabaskar V,Litovchick A,Yu J,James TL

更新日期：2004-11-19 00:00:00

abstract：:Association reactions of a recombinant CFTR-NBF-2 polypeptide fused to glutathione S-transferase with guanine nucleotides were monitored quantitatively by recording the fluorescence enhancement of excited trinitrophenol (TNP)-labelled GTP after binding to NBF-2. Binding of TNP-GTP to the recombinant NBF-2 polypeptide ...

journal_title：FEBS letters

authors： Randak C,Neth P,Auerswald EA,Assfalg-Machleidt I,Roscher AA,Hadorn HB,Machleidt W

更新日期：1996-11-25 00:00:00

abstract：:The heat shock factor (HSF1) is the central regulator of the heat stress (hs) response and is required for stimulating the transcription of the hs genes and consequently the expression of heat shock proteins. To promote the polymerase II-dependent transcription of the hs genes, HSF has to communicate with the basal tr...

journal_title：FEBS letters

authors： Reindl A,Schöffl F

更新日期：1998-10-09 00:00:00

abstract：:When cultured porcine aortic endothelial cells (ECs) were incubated with porcine big endothelin-1 (bit ET-1(1-39)), there was a time-dependent increase in immunoreactive (IR)-ET in the culture supernatant, in addition to an endogenous IR-ET release fron the cells. Reverse-phase HPLC of the culture supernatant revealed...

journal_title：FEBS letters

authors： Ikegawa R,Matsumura Y,Tsukahara Y,Takaoka M,Morimoto S

更新日期：1991-11-18 00:00:00

abstract：:Six charged amino acid residues located in the ectodomain of the full-length type I transforming growth factor (TGF)-beta receptor were individually mutated to alanine. Mutation of residues D47, D98, K102 and E104 resulted in functionally impaired receptors as demonstrated by a marked decrease in ligand-dependent sign...

journal_title：FEBS letters

authors： Guimond A,Sulea T,Zwaagstra JC,Ekiel I,O'Connor-McCourt MD

更新日期：2002-02-27 00:00:00

abstract：:The malaria parasite has for long been thought to escape host complement attack as a survival strategy. However, it was only recently that complement evasion mechanisms of the parasite were described. Simultaneously, the role of complement in antibody-mediated naturally acquired and vaccine-induced protection against ...

journal_title：FEBS letters

authors： Kiyuka PK,Meri S,Khattab A

更新日期：2020-08-01 00:00:00

abstract：:The structure of the complex of Ras with the Ras-binding domain of its effector RalGDS (RGS-RBD), the first genuine Ras-effector complex, has been solved by X-ray crystallography. As with the Rap-RafRBD complex (Nasser et al., 1995), the interaction is via an inter-protein beta-sheet between the switch I region of Ras...

journal_title：FEBS letters

authors： Vetter IR,Linnemann T,Wohlgemuth S,Geyer M,Kalbitzer HR,Herrmann C,Wittinghofer A

更新日期：1999-05-21 00:00:00

abstract：:We used Xenopus oocytes co-expressing thyrotropin-releasing hormone (TRH) receptors and human ether-a-go-go-related gene (HERG) K+ channel variants carrying different amino-terminal modifications to check the relevance of the proximal domain for hormonal regulation of the channel. Deletion of the whole proximal domain...

journal_title：FEBS letters

authors： Gómez-Varela D,Barros F,Viloria CG,Giráldez T,Manso DG,Dupuy SG,Miranda P,de la Peña P

更新日期：2003-01-30 00:00:00

abstract：:The absorption frequencies of the C = O and C = C (neutral state) and of the C...O (semiquinone state) stretching vibrations of QB have been assigned by FTIR spectroscopy, using native and site-specifically 1-, 2-, 3- and 4-13C-labelled ubiquinone-10 (UQ10) reconstituted at the QB binding site of Rhodobacter sphaeroid...

journal_title：FEBS letters

authors： Brudler R,de Groot HJ,van Liemt WB,Gast P,Hoff AJ,Lugtenburg J,Gerwert K

更新日期：1995-08-14 00:00:00

abstract：:A human Cu,Zn-superoxide dismutase (Cu,Zn-SOD) gene was fused with a gene fragment encoding the nine amino acid transactivator of transcription (Tat) protein transduction domain (RKKRRQRRR) of HIV-1 in a bacterial expression vector to produce a genetic in-frame Tat-SOD fusion protein. The expressed and purified Tat-SO...

journal_title：FEBS letters

authors： Kwon HY,Eum WS,Jang HW,Kang JH,Ryu J,Ryong Lee B,Jin LH,Park J,Choi SY

更新日期：2000-11-24 00:00:00

abstract：:Pasteurella multocida toxin is a potent mitogen for cultured Swiss 3T3 cells where it causes an accumulation of inositol phosphates and activation of protein kinase C. The gene sequence described here coded for a 146 kDa protein. The ORF was preceded by a ribosome binding site and followed by a stem loop. There was no...

journal_title：FEBS letters

authors： Lax AJ,Chanter N,Pullinger GD,Higgins T,Staddon JM,Rozengurt E

更新日期：1990-12-17 00:00:00

abstract：:Apolipoprotein E (APOE) genotype determines Alzheimer's disease (AD) susceptibility, with the APOE ε4 allele being an established risk factor for late-onset AD. The ApoE lipidation status has been reported to impact amyloid-beta (Aβ) peptide metabolism. The details of how lipidation affects ApoE behavior remain to be ...

journal_title：FEBS letters

authors： Hubin E,Verghese PB,van Nuland N,Broersen K

更新日期：2019-06-01 00:00:00

abstract：:The mitochondrial myopathy, encephalopathy, lactic acidosis and stroke-like episodes syndrome (MELAS) is a rare congenital disorder of mitochondrial DNA. Five single nucleotide substitutions within the human mitochondrial tRNALeu(UUR) gene have been reported to be associated with MELAS. Here, we provide in vitro evide...

journal_title：FEBS letters

authors： Hao R,Yao YN,Zheng YG,Xu MG,Wang ED

更新日期：2004-12-03 00:00:00

abstract：:We report a nonenzymatic reaction which results in the radiolabeling of proteins by 32P-containing nucleoside triphosphates. The labeling reaction does not require any cofactors, but is greatly enhanced by the presence of alcohols. Even under optimal conditions, less than 1% of the protein molecules undergo modificati...

journal_title：FEBS letters

authors： Schmidt MC,Hanna MM

更新日期：1986-01-06 00:00:00

abstract：:A complete cDNA clone encoding human cholesterol 7 alpha-hydroxylase has been isolated using a rat P-450ch7 alpha cDNA insert [(1989) FEBS Lett. 257, 97-100] as a probe and totally sequenced. The cDNA contained 1512-base pair open reading frame encoding 504 amino acid residues (Mr 57,630), 39-base pair 5'-untranslated...

journal_title：FEBS letters

authors： Noshiro M,Okuda K

更新日期：1990-07-30 00:00:00

abstract：:In Alzheimer's disease (AD) brain, microtubule-associated protein tau is abnormally modified by hyperphosphorylation and glycosylation, and is aggregated as neurofibrillary tangles of paired helical filaments. To investigate the role of tau glycosylation in neurofibrillary pathology, we isolated various pools of tau p...

journal_title：FEBS letters

authors： Liu F,Zaidi T,Iqbal K,Grundke-Iqbal I,Merkle RK,Gong CX

更新日期：2002-02-13 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：:Here we summarize evidence for non-equivalence of two structurally similar active sites in transketolase and other thiamine-dependent enzymes. This non-equivalence takes place when the enzymes interact with various ligands (inhibitors, cations, coenzyme and substrates). Data on different strains in the structure of th...

journal_title：FEBS letters

authors： Kovina MV,Kochetov GA

更新日期：1998-11-27 00:00:00

abstract：:We investigated transgenic tobacco lines which express different amounts of the barley JIP 23. In these plants the amount of several proteins decreased proportionally to increasing amounts of JIP 23 whereas the transcript levels were constant as determined for the small and the large subunit of RuBPCase. However, the ...

journal_title：FEBS letters

authors： Görschen E,Dunaeva M,Reeh I,Wasternack C

更新日期：1997-12-08 00:00:00

abstract：:Both HIV infection per se and antiretroviral drugs might contribute to oxidative stress and mitochondrial dysfunctions. In this study we assess zidovudine, stavudine and didanosine on U937 and CEM cell lines. All these drugs induced apoptosis and increased intracellular hydrogen peroxide but not superoxide anions. The...

journal_title：FEBS letters

authors： Ferraresi R,Troiano L,Roat E,Nemes E,Lugli E,Nasi M,Pinti M,Calvani M,Iannuccelli M,Cossarizza A

更新日期：2006-12-11 00:00:00

abstract：:Perturbation of the aerobic steady-state in a chemostat culture of the ethanol-producing bacterium Zymomonas mobilis with a small pulse of ethanol causes a burst of ethanol oxidation, although the reactant ratio of the alcohol dehydrogenase (ADH) reaction ([NADH][acetaldehyde][H(+)])/([ethanol][NAD(+)]) remains above ...

journal_title：FEBS letters

authors： Kalnenieks U,Galinina N,Toma MM,Pickford JL,Rutkis R,Poole RK

更新日期：2006-09-18 00:00:00

abstract：:Three mutant polypeptides of the type I 37-residue winter flounder 'antifreeze' protein have been synthesized. All four threonine residues in the native peptide were been mutated to serine, valine and glycine respectively and two additional salt bridges were incorporated into the sequences in order to improve aqueous ...

journal_title：FEBS letters

authors： Haymet AD,Ward LG,Harding MM,Knight CA

更新日期：1998-07-03 00:00:00

abstract：:Ca(2+) channels that underlie mitochondrial Ca(2+) transport first reported decades ago have now just recently been precisely characterized electrophysiologically. Numerous data indicate that mitochondrial Ca(2+) uptake via these channels regulates multiple intracellular processes by shaping cytosolic and mitochondria...

journal_title：FEBS letters

authors： Ryu SY,Beutner G,Dirksen RT,Kinnally KW,Sheu SS

更新日期：2010-05-17 00:00:00

abstract：:The vasopressin precursor is composed of 3 domains in line, namely vasopressin, MSEL-neurophysin and a glycopeptide referred to as copeptin, which are separated during the processing. In guinea pig neurohypophysis, the precursor is partially processed so that a two-domain fragment, MSEL-neurophysin--copeptin, can be f...

journal_title：FEBS letters

authors： Chauvet MT,Chauvet J,Acher R

更新日期：1986-03-03 00:00:00

abstract：:Nuclear magnetic resonance (NMR) spectroscopy was used to determine the secondary structure and the three-dimensional polypeptide backbone fold of the human sterol carrier protein 2 (hSCP2), which is a basic protein with 123 residues believed to participate in the intracellular transport of cholesterol and various oth...

journal_title：FEBS letters

authors： Szyperski T,Scheek S,Johansson J,Assmann G,Seedorf U,Wüthrich K

更新日期：1993-11-29 00:00:00

abstract：:Calf chymosin molecules exist in the two alternative structural forms: the first one has S1 and S3 binding pockets occluded by its own Tyr77 residue (the self-inhibited form); the second has these pockets free for a substrate binding (the active form). The preliminary incubation of the enzyme with a pentapeptide corre...

journal_title：FEBS letters

authors： Gustchina E,Rumsh L,Ginodman L,Majer P,Andreeva N

更新日期：1996-01-22 00:00:00

abstract：:Protein C (PC) is a vitamin K-dependent zymogen that inactivates factors Va and VIIIa after its activation by thrombin complexed to thrombomodulin. We characterized a monoclonal antibody (mAb) against PC, whose only influence on PC functions was to inhibit PC activation by the thrombin-thrombomodulin complex. It recog...

journal_title：FEBS letters

authors： Vincenot A,Gaussem P,Pittet JL,Debost S,Aiach M

更新日期：1995-06-26 00:00:00

abstract：:The residues on MAP kinase kinase-1 (MAPKK1) phosphorylated by MAP kinase in vitro have been identified as Thr-291 and Thr-385. Both threonines are phosphorylated in PC12 cells and the 32P-labelling of each residue increases after stimulation with nerve growth factor (NGF). The results establish that MAPKK1 is a physi...

journal_title：FEBS letters

authors： Saito Y,Gomez N,Campbell DG,Ashworth A,Marshall CJ,Cohen P

更新日期：1994-03-14 00:00:00

abstract：:Changes in membrane expression of sodium-dependent glucose transporter (SGLT1) and glucose transporter isoform (GLUT2) protein have been implicated in the increased intestinal glucose transport in streptozotocin-diabetes. The possible involvement of GLUT1 in the transport response, however, has not previously been stu...

journal_title：FEBS letters

authors： Boyer S,Sharp PA,Debnam ES,Baldwin SA,Srai SK

更新日期：1996-11-04 00:00:00

abstract：:We studied the molecular mechanism underlying PDT-induced apoptosis-dependent macrophage activation, particularly through NO production. We demonstrate that NO production is initially induced by HSP70 on the apoptotic cell surface, and is further enhanced by macrophage phagocytosis. Additionally, we found that apoptot...

journal_title：FEBS letters

authors： Song S,Zhou F,Chen WR,Xing D

更新日期：2013-01-16 00:00:00