Inhibition of inorganic pyrophosphatase of animal mitochondria by calcium.

abstract：:Functional activities of isolated atria from 4-week diabetic rats and their anoxic tolerance and recovery were compared to those of control rats. The present study showed a two-fold increase in maximum developed contraction force (CF), the rate of force development, and the rate of relaxation in isolated atria from di...

journal_title：Archives of biochemistry and biophysics

authors： Savabi F,Kirsch A

更新日期：1990-05-15 00:00:00

abstract：:Drought is one of the most serious factors affecting crop yields in the world. Macleaya cordata (Willd.) is a draught-tolerant medicinal plant that has been proposed as a pioneer crop to be cultivated in arid areas. However, the exact molecular mechanisms through which M. cordata responds to draught stress remain elus...

journal_title：Archives of biochemistry and biophysics

authors： Yu L,Zhou L,Liu W,Huang P,Jiang R,Tang Z,Cheng P,Zeng J

更新日期：2020-05-15 00:00:00

abstract：:The metabolite 5-aminolevulinic acid (ALA) is an early committed intermediate in the biosynthetic pathway of heme and chlorophyll formation. In plants, 5-aminolevulinic acid is synthesized via a two-step pathway in which glutamyl-tRNA(Glu) is reduced by glutamyl-tRNA(Glu) reductase (GluTR) to glutamate 1-semialdehyde,...

journal_title：Archives of biochemistry and biophysics

authors： Loida PJ,Thompson RL,Walker DM,CaJacob CA

更新日期：1999-12-15 00:00:00

abstract：:Several experiments were carried out to study the difference between two isozymes (alpha(+) and alpha) of (Na+ + K+)-ATPase in the conformational equilibrium. Rat brain (Na+ + K+)-ATPase was much more thermolabile than the kidney enzyme. Both enzymes were protected from heat inactivation not only by Na+ and K+, but al...

journal_title：Archives of biochemistry and biophysics

authors： Matsuda T,Iwata H

更新日期：1988-06-01 00:00:00

abstract：:The activities, properties, and steady-state kinetics of the five enzymes catalyzing the synthesis of 1-acyl- and 1-alkyl-sn-glycerol 3-phosphate in the cultured skin fibroblasts from Zellweger syndrome patients and normal controls were studied in detail. Judging from their Km and Vmax values, glycerol phosphate acylt...

journal_title：Archives of biochemistry and biophysics

authors： Webber KO,Datta NS,Hajra AK

更新日期：1987-05-01 00:00:00

abstract：:Factors influencing pyrroline 5-carboxylate (P5C) synthesis from glutamate by a subcellular fraction enriched in mitochondria of rat small intestinal mucosa have been studied. P5C synthesis decreased rapidly if this subcellular fraction was preincubated at 20 degrees C in the absence of substrates; this effect suggest...

journal_title：Archives of biochemistry and biophysics

authors： Henslee JG,Wakabayashi Y,Small C,Jones ME

更新日期：1983-10-15 00:00:00

abstract：:The isolation and purification of a 21,000-Da (pI 4.9) novel protein from porcine anterior pituitary and whole human pituitary is described. Comparison of the NH2-terminal sequence of the first 77 and 81 residues of the human and porcine homologs shows only one conservative substitution at residue 12, namely an Ala fo...

journal_title：Archives of biochemistry and biophysics

authors： Seidah NG,Hsi KL,De Serres G,Rochemont J,Hamelin J,Antakly T,Cantin M,Chrétien M

更新日期：1983-09-01 00:00:00

abstract：:The visible and near-uv absorption and circular dichroic spectra were determined for spinach and poplar plastocyanin under a variety of conditions. The visible spectra showed that the copper center was invariant to changes in species, chemical modification with ethylenediamine, and addition of high concentrations of s...

journal_title：Archives of biochemistry and biophysics

authors： Draheim JE,Anderson GP,Pan RL,Rellick LM,Duane JW,Gross EL

更新日期：1985-02-15 00:00:00

abstract：:Based on previous findings of increased nitric oxide synthase (NOS) expression in human gliomas (4), we hypothesized that peroxynitrite, a highly reactive metabolite of nitric oxide (NO) and superoxide (O(*-)(2)), might be increased in these tumors in vivo. Here we demonstrate that nitrotyrosine (a footprint of peroxy...

journal_title：Archives of biochemistry and biophysics

authors： Cobbs CS,Samanta M,Harkins LE,Gillespie GY,Merrick BA,MacMillan-Crow LA

更新日期：2001-10-15 00:00:00

abstract：:Benzimidazole compounds, such as omeprazole and thiabendazole, are a different type of CYP1A1 inducer from Ah receptor-ligands, such as TCDD (2,3,7,8-tetrachlorodibenzo-p-dioxin) and 3-methylcholanthrene. In HepG2 cells, the commonly used tyrosine kinase inhibitors, herbimycin-A and a series of tyrphostins, inhibited ...

journal_title：Archives of biochemistry and biophysics

authors： Kikuchi H,Hossain A,Yoshida H,Kobayashi S

更新日期：1998-10-15 00:00:00

abstract：:Taurine is the most abundant free amino acid in leukocytes and can react with HOBr to produce taurine bromamine (Tau-NHBr). The aim of this study was to assess the ability of Tau-NHBr to oxidize tryptophan, either free or as a residue in albumin. We have demonstrated that Tau-NHBr is a powerful oxidant for tryptophan....

journal_title：Archives of biochemistry and biophysics

authors： Ximenes VF,da Fonseca LM,de Almeida AC

更新日期：2011-03-15 00:00:00

abstract：:A type II ribosome-inactivating protein (RIP) was isolated from the bark tissue of Japanese elderberry (Sambucus sieboldiana) and named sieboldin-b. Sieboldin-b is a heterodimeric protein consisting of 27- and 33-kDa subunits and showed strong ribosome-inactivating activity in vitro but did not show in vivo toxicity. ...

journal_title：Archives of biochemistry and biophysics

authors： Rojo MA,Yato M,Ishii-Minami N,Minami E,Kaku H,Citores L,Girbés T,Shibuya N

更新日期：1997-04-15 00:00:00

abstract：:In cells expressing only the Glut1 isoform of glucose transporters, we have shown that glucose transport is markedly stimulated in response to hypoxia or inhibition of oxidative phosphorylation, conditions that would be expected to cause a stimulation of AMP-activated protein kinase (AMPK) activity. In the present stu...

journal_title：Archives of biochemistry and biophysics

authors： Abbud W,Habinowski S,Zhang JZ,Kendrew J,Elkairi FS,Kemp BE,Witters LA,Ismail-Beigi F

更新日期：2000-08-15 00:00:00

abstract：:The role of sarcoplasmic reticulum (SR) in malignant hyperthermia (MH) was studied using the heavy microsomal fraction prepared from semitendinosus muscles of both normal and genetically MH-susceptible pigs. In the presence of ATP, SR was loaded with 70 nmol Ca2+/mg SR protein. Under these conditions, MH-SR demonstrat...

journal_title：Archives of biochemistry and biophysics

authors： Ohnishi ST,Waring AJ,Fang SR,Horiuchi K,Flick JL,Sadanaga KK,Ohnishi T

更新日期：1986-06-01 00:00:00

abstract：:Kirsten murine sarcoma virus-transformed Balb/c 3T3 cells (KiMSV) are highly tumorigenic and metastatic in the appropriate murine host, are loosely adherent to the tissue culture substratum, and can be readily detached from the substratum by ethylene glycol bis(beta-aminoethyl ether) N,N'-tetraacetic acid treatment le...

journal_title：Archives of biochemistry and biophysics

authors： Miketo LJ,Culp LA

更新日期：1983-03-01 00:00:00

abstract：:A 1.1-kb Hp alpha I fragment of the Escherichia coli chromosome containing the gene for translation initiation factor 3 was employed as a probe in heterologous hybridization to chromosomal DNA from a variety of other procaryotes. Positive hybridization was observed to DNA derived from all gram-negative bacteria tested...

journal_title：Archives of biochemistry and biophysics

authors： Pramanik A,Schwartz I

更新日期：1984-11-15 00:00:00

abstract：:Some compounds are known to induce solute-nonselective permeability of the inner mitochondrial membrane (IMM) in Ca2+-loaded mitochondria. Existing data suggest that this process, following the opening of a mitochondrial permeability transition pore, is preceded by different solute-selective permeable states of IMM. A...

journal_title：Archives of biochemistry and biophysics

authors： Balakirev MY,Zimmer G

更新日期：1998-08-01 00:00:00

abstract：:The in vivo stability of ferredoxin-nitrate reductase from the cyanobacterium Anacystis nidulans under conditions of inhibited protein synthesis has been studied in nitrate-grown cells. A light-promoted rapid decay in cellular nitrate reductase activity took place in the absence of any added nitrogen source, but not i...

journal_title：Archives of biochemistry and biophysics

authors： Herrero A,Flores E,Guerrero MG

更新日期：1984-11-01 00:00:00

abstract：:The biosynthesis of one riboflavin molecule requires one molecule of GTP and two molecules of ribulose 5-phosphate as substrates. GTP is hydrolytically opened, converted into 5-amino-6-ribitylamino-2,4(1H,3H)-pyrimidinedione by a sequence of deamination, side chain reduction and dephosphorylation. Condensation with 3,...

journal_title：Archives of biochemistry and biophysics

authors： Fischer M,Bacher A

更新日期：2008-06-15 00:00:00

abstract：:The dietary flavan-3-ol (-)-epicatechin improves the bioactivity of nitric oxide in arterial vessels in vivo. Moreover, it effectively protects cultured vascular endothelial cells from signs of oxidative stress and elevates intracellular nitric oxide in vitro. We addressed the effects of (-)-epicatechin, its metabolic...

journal_title：Archives of biochemistry and biophysics

authors： Steffen Y,Gruber C,Schewe T,Sies H

更新日期：2008-01-15 00:00:00

abstract：:Isoniazid (INH) is one of the oldest drugs for the treatment of tuberculosis (TB) and is of continual clinical and research interest. The aim of the current study is to investigate the ability of INH to induce monocyte differentiation and the underlying signaling pathway involved in this phenomenon using HL-60 cells. ...

journal_title：Archives of biochemistry and biophysics

authors： Babu D,Khan SR,Srivastava N,Kyoung Suh LY,Morgan AG,Aljuhani N,Fahlman RP,Siraki AG

更新日期：2019-03-30 00:00:00

abstract：:Myeloperoxidase (MPO), eosinophil peroxidase, lactoperoxidase, and thyroid peroxidase are heme-containing oxidoreductases (EC 1.7.1.11), which bind ligands and/or undergo a series of redox reactions. Though sharing functional and structural homology, reflecting their phylogenetic origin, differences are observed regar...

journal_title：Archives of biochemistry and biophysics

authors： Furtmüller PG,Zederbauer M,Jantschko W,Helm J,Bogner M,Jakopitsch C,Obinger C

更新日期：2006-01-15 00:00:00

abstract：:Studies were carried out at pH 7.0 and gamma/2 0.15 before addition of CaCl2 or EDTA. Clotting time, tau, at 3.03 microM fibrinogen and 0.91 u/ml thrombin was determined for equilibrium systems. With added Ca2+, tau decreases, from tau 0 at 0 added Ca2+ (mean, 29.7 +/- 3 s), by approximately 3 s at 5 mM added Ca2+. Wi...

journal_title：Archives of biochemistry and biophysics

authors： Perizzolo KE,Sullivan S,Waugh DF

更新日期：1985-03-01 00:00:00

abstract：:The chemical structures of the carotenoid molecules are very simple and one might think that their electronic features are easily predicted. However, there is still has so much unknown information excepting the correlation between the electronic energy state and the length of effective conjugation chain of carotenoids...

journal_title：Archives of biochemistry and biophysics

authors： Uragami C,Saito K,Yoshizawa M,Molnár P,Hashimoto H

更新日期：2018-07-15 00:00:00

abstract：:Tripeptidyl-peptidase II (TPP II) is a cytosolic peptidase that has been implicated in fat formation and cancer, apparently independent of the enzymatic activity. In search for alternative functional regions, conserved motifs were identified and eleven signatures were constructed. Seven of the signatures covered previ...

journal_title：Archives of biochemistry and biophysics

authors： Eriksson S,Gutiérrez OA,Bjerling P,Tomkinson B

更新日期：2009-04-01 00:00:00

abstract：:Diquat is a hepatotoxin whose toxicity in vivo and in vitro is mediated by redox cycling and greatly enhanced by pretreatment with 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU), an inhibitor of glutathione reductase. The mechanism by which redox cycling mediates diquat cytotoxicity is unclear, however. Here, we have att...

journal_title：Archives of biochemistry and biophysics

authors： Sandy MS,Moldeus P,Ross D,Smith MT

更新日期：1987-11-15 00:00:00

abstract：:Sucrose-phosphate synthase (SPS; EC 2.4.1.14) is regulated in part by reversible protein phosphorylation. When dephospho-SPS is partially purified from illuminated spinach leaves and incubated with [gamma-32P]ATP the enzyme is phosphorylated by a copurifying protein kinase. In this report, 32P-phosphopeptides from try...

journal_title：Archives of biochemistry and biophysics

authors： McMichael RW Jr,Klein RR,Salvucci ME,Huber SC

更新日期：1993-12-01 00:00:00

abstract：:Xanthophyllomces dendrorhous (in asexual state named as Phaffia rhodozyma) is a fungus which produces astaxanthin, a high value carotenoid used in aquafarming. Genetic pathway engineering is one of several steps to increase the astaxanthin yield. The limiting enzyme of the carotenoid pathway is phytoene synthase. Inte...

journal_title：Archives of biochemistry and biophysics

authors： Ledetzky N,Osawa A,Iki K,Pollmann H,Gassel S,Breitenbach J,Shindo K,Sandmann G

更新日期：2014-03-01 00:00:00

abstract：:Neutral and acidic glycolipids were extracted from chicken hearts. The neutral and acidic compounds were separated by preparative thin-layer chromatography into eight and two fractions, respectively. Total hydrolysis by mineral acid, permethylation analysis, and sequential cleavage with exoglycosidases showed the pres...

journal_title：Archives of biochemistry and biophysics

authors： Jennemann R,Felding-Habermann B,Geyer R,Stirm S,Wiegandt H

更新日期：1987-10-01 00:00:00

abstract：:Mucus hypersecretion is a common feature in chronic airway diseases, and serine proteases play a critical role in this process. However, the mechanisms by which serine proteases induce mucin5AC hypersecretion have not been fully explored. In this study, we characterized human airway trypsin-like protease (HAT), a seri...

journal_title：Archives of biochemistry and biophysics

authors： Liu C,Li Q,Zhou X,Kolosov VP,Perelman JM

更新日期：2013-07-15 00:00:00