Cooperative repression of cyclin-dependent kinase inhibitor p21 gene expression by hepatitis B virus X protein and hepatitis C virus core protein.

abstract：:Osteoblastic differentiation is regulated by various factors, including hormones and transcription factors. Runt-related transcription factor 2 (Runx2) is an essential player in osteoblastogenesis and transactivates its molecular target by creating a protein complex with its hetero-dimeric partner core binding factor ...

journal_title：FEBS letters

authors： Fukuda T,Ochi H,Sunamura S,Haiden A,Bando W,Inose H,Okawa A,Asou Y,Takeda S

更新日期：2015-10-24 00:00:00

abstract：:Activated B61.SF.1 and CTLL-2 T lymphocyte clones which are strictly dependent on interleukin-2 (IL-2) for growth were used to study the activation of Na+/K+-ATPase. 50% of [3H]thymidine maximal incorporation was obtained when the extracellular concentration of Na+ or K+ was reduced to 50 or 2 mM, respectively. 'Quies...

journal_title：FEBS letters

authors： Redondo JM,López Rivas A,Fresno M

更新日期：1986-10-06 00:00:00

abstract：:Tumor necrosis factor receptor associated factor 6 (TRAF6) is an important signaling molecule involved in a diverse array of physiological processes. It has been proposed that TRAF6, a RING finger-containing protein, acts as a ubiquitin ligase (E3) and a target for Lys-63 linked polyubiquitination mediated by Ubc13-Ue...

journal_title：FEBS letters

authors： Wooff J,Pastushok L,Hanna M,Fu Y,Xiao W

更新日期：2004-05-21 00:00:00

abstract：:The steady-state oxidation of ferrocytochrome c by cytochrome oxidase monitored spectrophotometrically showed that: (1) the kinetics were strictly biphasic with purified enzyme, while mitochondrial membrane-bound enzyme exhibited multiphasic kinetics with extended low affinity phases; (2) the TNmax for the highest aff...

journal_title：FEBS letters

authors： Speck SH,Neu CA,Swanson MS,Margoliash E

更新日期：1983-12-12 00:00:00

abstract：:The main role of voltage-gated proton channels (Hv1) is to extrude protons from the intracellular milieu when, mediated by different cellular processes, the H(+) concentration increases. Hv1 are exquisitely selective for protons and their structure is homologous to the voltage sensing domain (VSD) of other voltage-gat...

journal_title：FEBS letters

authors： Castillo K,Pupo A,Baez-Nieto D,Contreras GF,Morera FJ,Neely A,Latorre R,Gonzalez C

更新日期：2015-11-14 00:00:00

abstract：:Muscle phosphofructokinase interacts with microtubule-associated protein-free microtubules resulting in a reduction of the overall activity of the enzyme [Lehotzky et al. (1993) J. Biol. Chem. 268, 10888-10894] and periodical cross-linking of the tubules [Lehotzky et al. (1994) Biochem. Biophys. Res. Commun. 204, 585-...

journal_title：FEBS letters

authors： Vértessy BG,Kovács J,Ovádi J

更新日期：1996-01-29 00:00:00

abstract：:Regulation of Na(+)-dependent glutamate transport was studied in isolated luminal and abluminal plasma membranes derived from the bovine blood-brain barrier. Abluminal membranes have Na(+)-dependent glutamate transporters while luminal membranes have facilitative transporters. This organization allows glutamate to be ...

journal_title：FEBS letters

authors： Hawkins RA,Simpson IA,Mokashi A,Viña JR

更新日期：2006-08-07 00:00:00

abstract：:Mitochondria process local and global Ca(2+) signals. Thereby the spatiotemporal patterns of mitochondrial Ca(2+) signals determine whether the metabolism of these organelles is adjusted or cell death is executed. Mitochondrial Ca(2+) channels of the inner mitochondrial membrane (IMM) actually implement mitochondrial ...

journal_title：FEBS letters

authors： Malli R,Graier WF

更新日期：2010-05-17 00:00:00

abstract：:The cytosolic lipid peroxidation product 4-hydroxynonenal (HNE) is rapidly metabolized in mitochondria isolated from rat kidney cortex. About 80% of HNE was degraded within 3 min of incubation. Main products of HNE which were identified in mitochondria were the hydroxynonenoic acid, the 1,4-dihydroxynonene and the glu...

journal_title：FEBS letters

authors： Ullrich O,Grune T,Henke W,Esterbauer H,Siems WG

更新日期：1994-09-19 00:00:00

abstract：:Dictyostelium discoideum Ax2 produces both L-erythro-tetrahydrobiopterin (BH4) and its stereoisomer D-threo-BH4 (DH4). The putative cofactor function of them for phenylalanine hydroxylase (PAH) was investigated through genetic manipulation and quantitative determination of pteridines. In addition to establishing that ...

journal_title：FEBS letters

authors： Kim HL,Park MB,Park YS

更新日期：2011-10-03 00:00:00

abstract：:The hypothesis that specific protein kinase C (PKC) isoforms regulate dopamine transporter (DAT) function was tested in Xenopus laevis oocytes expressing human (h)DAT. Activation of conventional PKCs (cPKCs) and novel PKCs (nPKCs) using 10 nM phorbol 12-myristate 13-acetate (PMA) significantly inhibited DAT-associated...

journal_title：FEBS letters

authors： Doolen S,Zahniser NR

更新日期：2002-04-10 00:00:00

abstract：:Poly(A)+ RNA isolated from post-mortem human hypothalami has been used to characterize the poly-protein precursors to vasopressin and oxytocin. Translation in a cell-free system and subsequent immuno-precipitation with antibodies raised against either vasopressin or neurophysin identified a product of Mr 19000 (prepro...

journal_title：FEBS letters

authors： Mohr E,Hillers M,Ivell R,Haulica ID,Richter D

更新日期：1985-11-25 00:00:00

abstract：:Using specific antisera, the expression of the G protein alpha subunits, G8, G(i1), G(i2), G(i3) and G0, were determined in 3T3-F442A cells during their differentiation to adipocytes in a hormonally defined medium. Differentiation caused distinct increases in the expression of two Gs isoforms and decreases in the expr...

journal_title：FEBS letters

authors： Kilgour E,Anderson NG

更新日期：1993-08-16 00:00:00

abstract：:Different hydrophobic glycoproteins are associated to native biliary vesicles, which are the major carrier of biliary cholesterol. Some of these proteins promote cholesterol crystallization, a key step in cholesterol gallstone formation. This study was specifically conducted to identify the 130 kDa biliary vesicle-ass...

journal_title：FEBS letters

authors： Núñez L,Amigo L,Rigotti A,Puglielli L,Mingrone G,Greco AV,Nervi F

更新日期：1993-08-23 00:00:00

abstract：:Moloney murine leukemia virus reverse transcriptase (RT) selectively uses deoxyribonucleotides over ribonucleotides (rNTPs) as substrates. Substitution of F155 with valine (F155V) was previously found to increase the enzyme's affinity for rNTPs, though without affecting the V(max) for catalysis, and thereby conferred ...

journal_title：FEBS letters

authors： Liu S,Goff SP,Gao G

更新日期：2006-02-20 00:00:00

abstract：:We analyzed the expression of aquaporins (AQPs) in the small intestine to elucidate their functions, and found that AQP9, which had not previously been detected there, is present in duodenum, jejunum, and ileum. AQP9 is expressed in colon as well, but not in stomach. Also, its expression in these intestinal sections i...

journal_title：FEBS letters

authors： Okada S,Misaka T,Matsumoto I,Watanabe H,Abe K

更新日期：2003-04-10 00:00:00

abstract：:We used a xenograft model to investigate whether the aryl hydrocarbon receptor deletion construct CDelta553 suppresses tumor growth. HeLa cells that were infected with CDelta553 expressing adenovirus (Ad553) formed very small tumors whereas the control adenovirus-infected cells formed large tumors at day 15. CDelta553...

journal_title：FEBS letters

authors： Wang D,Faridi JS,Li Y,Chan WK

更新日期：2009-09-17 00:00:00

abstract：:We investigated transactivation by NANOG in regulating growth and differentiation factor 3 (GDF3) expression in NCCIT cells. GDF3 expression was affected by shRNA-mediated downregulation and by exogenous overexpression of NANOG specifically, as well as by retinoic acid-mediated differentiation. GDF3 transcription was ...

journal_title：FEBS letters

authors： Park SW,Lim HY,Do HJ,Sung B,Huh SH,Uhm SJ,Song H,Chung HJ,Kim JH,Kim NH,Kim JH

更新日期：2012-09-21 00:00:00

abstract：:The structure of the Fab fragment of the monoclonal antibody MAK 33 (kappa/IgG1) at pH 2 was characterized. Spectroscopic and kinetic analysis revealed a molten globule-like state, characterized by elements of secondary structure but less defined tertiary contacts than in the native state. However, some aromatic side ...

journal_title：FEBS letters

authors： Lilie H,Buchner J

更新日期：1995-03-27 00:00:00

abstract：:Luminescence of Tb3+ ions bound to a calmodulin fragment has been studied. It is shown that during their lifetime excited ions dissociate from the peptide. If concentration of free peptide is high enough they can be coordinated again. As a consequence, observed terbium luminescence lifetime and intensity depends not o...

journal_title：FEBS letters

authors： Dadlez M,Góral J,Bierzyński A

更新日期：1991-04-22 00:00:00

abstract：:Human monocyte-macrophages were incubated for 24 h in Ham's F-10 medium with human low-density lipoprotein (LDL) in the presence or absence of beta-carotene, canthaxanthin or zeaxanthin, at final concentrations of 2.5, 12.5 and 25 mg/l. LDL oxidation, measured by agarose gel electrophoresis, the thiobarbituric acid as...

journal_title：FEBS letters

authors： Carpenter KL,van der Veen C,Hird R,Dennis IF,Ding T,Mitchinson MJ

更新日期：1997-01-20 00:00:00

abstract：:Spin-trapping techniques and electron spin resonance (ESR) spectroscopy were used to study the relationship between the effect of streptozotocin (STZ) on pancreatic beta-cells and free radical formation by these cells. Results showed that STZ enhanced generation of the DMPO-OH radical adduct, which is a degradation pr...

journal_title：FEBS letters

authors： Nukatsuka M,Sakurai H,Yoshimura Y,Nishida M,Kawada J

更新日期：1988-11-07 00:00:00

abstract：:Vitronectin is the carrier protein of plasminogen activator inhibitor 1 (PAI-1). We used a well-characterized panel of anti-human PAI-1 monoclonal antibodies (MoAbs) to localize the vitronectin-binding site on PAI-1. By employing a direct vitronectin/PAI-1 binding assay and two vitronectin-dependent inhibition assays,...

journal_title：FEBS letters

authors： van Meijer M,Gebbink RK,Preissner KT,Pannekoek H

更新日期：1994-10-03 00:00:00

abstract：:SARS 8b is one of the putative accessory proteins of the severe acute respiratory syndrome-associated coronavirus (SARS-CoV) with unknown functions. In this study, the cellular localization and activity of this estimated 9.6 kDa protein were examined. Confocal microscopy results indicated that SARS 8b is localized in ...

journal_title：FEBS letters

authors： Law PY,Liu YM,Geng H,Kwan KH,Waye MM,Ho YY

更新日期：2006-06-26 00:00:00

abstract：:The oleosin glycine-rich protein genes Atgrp-6, Atgrp-7, and Atgrp-8 occur in clusters in the Arabidopsis genome and are expressed specifically in the tapetum cells. The cis-regulatory regions involved in the tissue-specific gene expression were investigated by fusing different segments of the gene cluster to the uidA...

journal_title：FEBS letters

authors： Franco LO,de O Manes CL,Hamdi S,Sachetto-Martins G,de Oliveira DE

更新日期：2002-04-24 00:00:00

abstract：:In this study, we demonstrated that tissue inhibitor of metalloproteinases (TIMP) produced by human bone marrow stromal cell line KM-102 had erythroid-potentiating activity (EPA) which stimulates the proliferation of erythroid progenitor cells. We, then, propose a scheme for the bifunctional role of TIMP/EPA in hemato...

journal_title：FEBS letters

authors： Hayakawa T,Yamashita K,Kishi J,Harigaya K

更新日期：1990-07-30 00:00:00

abstract：:Monomeric bovine pancreatic RNase A has been transformed into a dimeric ribonuclease with antitumor activity (Di Donato, A., Cafaro, V. and D'Alessio, G. (1994) J. Biol. Chem. 269, 17394-17396). This was accomplished by replacing the residues located in the RNase chain at positions 19, 28, 31, and 32, with proline, le...

journal_title：FEBS letters

authors： Cafaro V,Bracale A,Di Maro A,Sorrentino S,D'Alessio G,Di Donato A

更新日期：1998-10-16 00:00:00

abstract：:Exposure of HeLa and HL60 cells to sodium arsenite or cadmium chloride led to marked increases in cellular heme oxygenase activity. SDS-polyacrylamide gel electrophoresis of [35S]methionine-labeled cellular proteins indicated that these treatments also resulted in the induction of a 32-kDa protein. Immunoblot analysis...

journal_title：FEBS letters

authors： Taketani S,Kohno H,Yoshinaga T,Tokunaga R

更新日期：1989-03-13 00:00:00

abstract：:The effects of ADP, ATP, citrate and EDTA on iron-dependent microsomal and liposomal lipid peroxidation, and on 59FeCl3 binding to the lipid membranes were measured. The aim was to test if initiation of lipid peroxidation is a site-specific mechanism requiring bound iron. In the absence of chelator, iron was bound to ...

journal_title：FEBS letters

authors： Vile GF,Winterbourn CC

更新日期：1987-05-04 00:00:00

abstract：:In addition to their g = 1.94 EPR signal, nitrogenase Fe-proteins from Azotobacter vinelandii, Azotobacter chroococcum and Klebsiella pneumoniae exhibit a weak EPR signal with g approximately equal to 5. Temperature dependence of the signal was consistent with an S = 3/2 system with negative zero-field splitting, D = ...

journal_title：FEBS letters

authors： Hagen WR,Eady RR,Dunham WR,Haaker H

更新日期：1985-09-23 00:00:00