AP-1 activity affects the levels of induced erythroid and megakaryocytic differentiation of K562 cells.

abstract：:The effects of racemic (+/-) and (+)- and (-)-stereoisomers of isoflurane on depolarization-induced (45)Ca(2+) fluxes mediated by voltage-dependent Ca(2+) channels were investigated in transverse tubule membrane vesicles from rabbit skeletal muscle. In the concentration range 0.5 to 2 mM, (+/-)-isoflurane inhibited (4...

journal_title：Archives of biochemistry and biophysics

authors： Oz M,Tchugunova Y,Dinc M,Dunn SM

更新日期：2002-02-15 00:00:00

abstract：:The absorption spectra of Ni(II) bound to the core histone tetramer, (H3-H4)2, of chicken erythrocytes in 500 mM NaCl + 100 mM phosphate (pH 7.4) were recorded. A charge transfer band was seen at 317 nm, characteristic of a bond between Ni(II) and the sulfur atom of Cys-110 of histone H3. The conditional affinity cons...

journal_title：Archives of biochemistry and biophysics

authors： Bal W,Karantza V,Moudrianakis EN,Kasprzak KS

更新日期：1999-04-15 00:00:00

abstract：:On Biorex 70 ion exchanger at neutral pH the histones H3 and H4 are usually eluted by 4 M guanidinium chloride (gdm Cl). In order to protect cysteines and methionines from oxidation we systematically added 2-mercaptoethanol to the elution buffer. This resulted in the two histones being unexpectedly eluted together at ...

journal_title：Archives of biochemistry and biophysics

authors： Couppez M,Belaïche D

更新日期：1996-01-01 00:00:00

abstract：:An S-adenosyl-L-methionine:caffeoyl-CoA 3-O-methyltransferase was purified 82-fold from elicitor-induced parsley cell suspension cultures by ammonium sulfate fractionation, anionic exchange and hydrophobic interaction chromatographies, and chromatofocusing. The enzyme has an apparent pI of 5.7 and a molecular weight o...

journal_title：Archives of biochemistry and biophysics

authors： Pakusch AE,Kneusel RE,Matern U

更新日期：1989-06-01 00:00:00

abstract：:Prostacyclin (PGI(2)) synthase is a heme-thiolate (P450) protein which reacts with low levels of peroxynitrite (PN) under tyrosine nitration and inactivation. Studying heme proteins as models, we have found the heme-thiolate protein NADH-NO reductase (P450(NOR)) to be highly efficient in decomposing PN under concomita...

journal_title：Archives of biochemistry and biophysics

authors： Zou MH,Daiber A,Peterson JA,Shoun H,Ullrich V

更新日期：2000-04-01 00:00:00

abstract：:Purified 125I-labeled lectins from Datura stramonium, Evonymus europaea, and Griffonia simplicifolia (I-B4 isolectin) were used to analyze changes in the expression of carbohydrates on the surface of resident (PC) and thioglycollate-stimulated murine (C57B/6J) peritoneal exudate cells (PEC). The lectins from D. stramo...

journal_title：Archives of biochemistry and biophysics

authors： Petryniak J,Huard TK,Nordblom GD,Goldstein IJ

更新日期：1986-01-01 00:00:00

abstract：:Renally excreted 8-oxo-7,8-dihydro-2(')-deoxyguanosine (oxo(8)dG) is a potential marker of oxidative DNA damage by reactive oxygen species. Whole-body degradation rates of t- and rRNA are potential indicators of the resting metabolic rate (RMR). Excretion rates of oxo(8)dG and degradation rates of t- and rRNA were det...

journal_title：Archives of biochemistry and biophysics

authors： Topp H,Armbrust S,Lengger C,Schöch G,Davies J,Stichler W,Manz F,Fusch C

更新日期：2002-06-01 00:00:00

abstract：:The actions of polycyclic aromatic hydrocarbons and glucocorticoids to regulate the expression of cytochrome P450c were investigated using cultured fetal rat hepatocytes. Cytochrome P450c mRNA content, determined by Northern blot analysis, was induced in cells treated with 1,2-benzanthracene from levels undetectable i...

journal_title：Archives of biochemistry and biophysics

authors： Mathis JM,Houser WH,Bresnick E,Cidlowski JA,Hines RN,Prough RA,Simpson ER

更新日期：1989-02-15 00:00:00

abstract：:The reactivities of the sulfhydryl groups of rat, turkey, human, and calf hemoglobin were studied together with the enzyme activities of glutathione peroxidase, glutathione reductase, glucose-6-phosphate dehydrogenase, and glutaredoxin in lysed erythrocytes to evaluate their roles in regulating redox homeostasis. The ...

journal_title：Archives of biochemistry and biophysics

authors： Di Simplicio P,Cacace MG,Lusini L,Giannerini F,Giustarini D,Rossi R

更新日期：1998-07-15 00:00:00

abstract：:Protein tyrosine kinase Yes is a cellular homolog of v-Yes, the oncogenic protein product of avian sarcoma virus Y73. Yes is a member of the Src family and its activation has been associated with several types of human cancer. Human Yes has not been previously characterized enzymatically. To carry out biochemical char...

journal_title：Archives of biochemistry and biophysics

authors： Sun G,Budde RJ

更新日期：1997-09-01 00:00:00

abstract：:The enhancement of the binding of plasma fibronectin to collagen or gelatin by heparin was previously thought to be due primarily to interaction of heparin with fibronectin. We observed, however, that the elution of purified human plasma fibronectin from heparin-treated gelatin-agarose required the same high urea conc...

journal_title：Archives of biochemistry and biophysics

authors： Smith RL,Griffin CA

更新日期：1988-10-01 00:00:00

abstract：:In the biosynthetic conversion of glutamate to the tetrapyrrole precursor, delta-aminolevulinic acid (ALA), glutamate is activated at C-1 by glutamyl-tRNA synthetase-catalyzed ligation to tRNAGlu. Glutamyl-tRNA reductase next catalyzes reduction of the activated glutamate to glutamate-1-semialdehyde (GSA), which is th...

journal_title：Archives of biochemistry and biophysics

authors： Mayer SM,Rieble S,Beale SI

更新日期：1994-07-01 00:00:00

abstract：:The role of H211 of the yeast F1-ATPase beta-subunit was investigated by site-specific mutagenesis and characterization of the resulting enzymes. Five amino acids (N, D, I, K, and A) were substituted for H211 of the ATP2 gene. The mutated genes were expressed in an atp2::LEU2 host, and only yeast expressing H211N resp...

journal_title：Archives of biochemistry and biophysics

authors： Schnizer RA,Schuster SM

更新日期：1996-02-01 00:00:00

abstract：:The severe acute respiratory syndrome coronavirus papain-like protease (SARS-CoV PLpro) carries out N-terminal processing of the viral replicase polyprotein, and also exhibits Lys48-linked polyubiquitin chain debranching and ISG15 precursor processing activities in vitro. Here, we used SDS-PAGE and fluorescence-based ...

journal_title：Archives of biochemistry and biophysics

authors： Lindner HA,Lytvyn V,Qi H,Lachance P,Ziomek E,Ménard R

更新日期：2007-10-01 00:00:00

abstract：:The rates of reactive absorption of ozone by various biomolecule solutions were measured. At pH 7, the ability of various biomolecules to reactively absorb ozone was in the following sequence: thiosulfate > ascorbate > cysteine approximately methionine > glutathione. The rates of reactive absorption under a variety of...

journal_title：Archives of biochemistry and biophysics

authors： Kanofsky JR,Sima PD

更新日期：1995-01-10 00:00:00

abstract：:A microsomal retinol dehydrogenase (RoDH) that recognizes holo-cellular retinol binding protein (CRBP) as substrate is inhibited by phenylarsine oxide (IC50 = 3 microM) in the presence of 10 mM cysteine. Inhibition was reversible with dithiothreitol, indicating that two cysteine residues in close proximity are essenti...

journal_title：Archives of biochemistry and biophysics

authors： Boerman MH,Napoli JL

更新日期：1995-08-20 00:00:00

abstract：:Utilizing RNA blot hybridization and immunoblotting techniques, the changes of the hepatic contents of acetyl-CoA carboxylase mRNA and of the enzyme protein in growing chicks have been investigated. In the post-hatching period, the hepatic mRNA level markedly increased at least 70-fold when compared to that before hat...

journal_title：Archives of biochemistry and biophysics

authors： Takai T,Saito Y,Yamamoto K,Tanabe T

更新日期：1988-11-01 00:00:00

abstract：:A role of cysteine residues in annexin II tetramer (AIIt)'s function was investigated using the sulfhydryl reagent N-ethylmaleimide (NEM). Incubation of AIIt with NEM resulted in a dose-dependent inhibition of AIIt-mediated liposome aggregation and loss of sulfhydryl groups of AIIt. The concentration effecting 50% inh...

journal_title：Archives of biochemistry and biophysics

authors： Singh TK,Liu L

更新日期：2000-09-15 00:00:00

abstract：:Human promatrilysin (matrix metalloproteinase-7) has been produced in Escherichia coli as an N-terminal fusion protein with ubiquitin. The insoluble product was solubilized, refolded, and activated with amino-phenylmercuric acetate. Activation of the fusion protein demonstrated kinetics and intermediates that were ver...

journal_title：Archives of biochemistry and biophysics

authors： Welch AR,Holman CM,Browner MF,Gehring MR,Kan CC,Van Wart HE

更新日期：1995-12-01 00:00:00

abstract：:Truncation of 112 amino acids at the N-terminus (Nd(1-112)) changes the chain transfer pattern of the Escherichia coli glycogen branching enzyme (GBE) [Arch. Biochem. Biophys. 397 (2002) 279]. We investigated further the role of the N-terminus by engineering other truncated GBEs and analyzing the branching pattern by ...

journal_title：Archives of biochemistry and biophysics

authors： Devillers CH,Piper ME,Ballicora MA,Preiss J

更新日期：2003-10-01 00:00:00

abstract：:Alkaline phosphatase (AP) was purified to over 90% homogeneity from rat osteosarcoma by acetone precipitation followed by chromatography on DEAE-cellulose, Sephacryl S-200, and hydroxyapatite. The purified enzyme had a specific activity of 759 units/mg protein at its optimal pH (10.5), and a Km of 0.8 mM for p-nitroph...

journal_title：Archives of biochemistry and biophysics

authors： Nair BC,Majeska RJ,Rodan GA

更新日期：1987-04-01 00:00:00

abstract：:Because angiogenesis underlies the pathogenesis of numerous conditions (cancer, psoriasis, macular degeneration), there is a pressing need for continued investigations into angiogenic signaling and potential drug targets. Antiangiogenic agents can be classified as either direct or indirect. Direct antiangiogenics act ...

journal_title：Archives of biochemistry and biophysics

authors： Berrios RL,Arbiser JL

更新日期：2011-04-15 00:00:00

abstract：:There is evidence to suggest that extracellular matrix molecules, such as proteoglycans, are involved in the regulation of mineral deposition in calcifying tissues. One mineralizing system which is characterized by extremely rapid mineralization is the hen eggshell. This eggshell consists of a pair of nonmineralized e...

journal_title：Archives of biochemistry and biophysics

authors： Arias JL,Carrino DA,Fernández MS,Rodríguez JP,Dennis JE,Caplan AI

更新日期：1992-10-01 00:00:00

abstract：:The tandem repeat 23-residue sequence [TRS23 (145-167): T-T-A-A-P-P-T-P-S-A-T-T-P-A-P-P-S-S-S-A-P-P-E] of human salivary mucin glycoprotein MG2 was examined for its in vitro bactericidal activity against four oral microorganisms, Actinobacillus actinomycetemcomitans, Porphyromonas gingivalis, Streptococcus gordonii, a...

journal_title：Archives of biochemistry and biophysics

authors： Antonyraj KJ,Karunakaran T,Raj PA

更新日期：1998-08-15 00:00:00

abstract：:The effects of positively charged compounds on a plasma membrane, type III phosphatidylinositol 4-kinase were studied. To determine whether the enzyme would respond differently to the compounds in a membrane-associated versus a soluble state, both the plasma membrane and solubilized (released by 0.01% (v/v) Triton X-1...

journal_title：Archives of biochemistry and biophysics

authors： Yang W,Boss WF

更新日期：1994-08-15 00:00:00

abstract：:Unlike monooxygenases, molybdenum-containing hydroxylases catalyze the hydroxylation of carbon centers using oxygen derived ultimately from water, rather than O(2), as the source of the oxygen atom incorporated into the product, and do not require an external source of reducing equivalents. The mechanism by which this...

journal_title：Archives of biochemistry and biophysics

authors： Hille R

更新日期：2005-01-01 00:00:00

abstract：:The intrinsic fluorescence of potato tuber pyrophosphate:fructose-6-phosphate 1-phosphotransferase (PFP) was used as an indicator of conformational changes due to ligand binding. Binding of the substrates and the allosteric activator fructose-2,6-bisphosphate was quantitatively compared to their respective kinetic eff...

journal_title：Archives of biochemistry and biophysics

authors： Podestá FE,Plaxton WC

更新日期：2003-06-01 00:00:00

abstract：:Reactive oxygen species like hydrogen peroxide (H2O2) have been shown to serve as messengers in the induction of NF-kappa B and, hence, in the activation and replication of human immunodeficiency virus type 1 (HIV-1) in human cells. Several antioxidant compounds and iron chelators have been shown to interfere with bot...

journal_title：Archives of biochemistry and biophysics

authors： Sappey C,Boelaert JR,Legrand-Poels S,Grady RW,Piette J

更新日期：1995-08-01 00:00:00

abstract：:The capacity of rats and humans to adapt to low dietary Ca by increasing intestinal Ca absorption declines with age. The intestinal calbindin-D-9k protein (calbindin) is thought to play a role in the transcellular transport of Ca across the mammalian intestine. The purpose of these studies was to determine the effect ...

journal_title：Archives of biochemistry and biophysics

authors： Armbrecht HJ,Boltz MA,Bruns ME

更新日期：2003-12-01 00:00:00

abstract：:The antioxidant, butylated hydroxytoluene (BHT), causes lung toxicity in mice followed by regenerative repair, and can also modulate the development of carcinogen-induced lung adenomas. We are investigating changes in pulmonary biochemistry following BHT treatment in order to understand the mechanisms of BHT-induced p...

journal_title：Archives of biochemistry and biophysics

authors： Blumenthal EJ,Malkinson AM

更新日期：1987-07-01 00:00:00