Polyphenols and health: update and perspectives.

abstract：:Dethiolation of proteins (reduction of protein mixed disulfides) by NADPH-dependent and glutathione (GSH)-dependent enzymes, and by nonenzymatic reaction with GSH, was studied by electrofocusing methodology with glycogen phosphorylase b and creatine kinase as substrates. Phosphorylase b was not rapidly dethiolated by ...

journal_title：Archives of biochemistry and biophysics

authors： Park EM,Thomas JA

更新日期：1989-10-01 00:00:00

abstract：:Orotate phosphoribosyltranferase (OPRTase) catalyzes the formation of orotidine 5'-monophosphate from the nitrogenous base orotate and alpha-D-5-phosphoribosyl-1-pyrophosphate (PRPP). While it is known that Mg2+ is necessary for catalysis, the mechanism of activation of the phosphoribosyl transfer by Mg2+ remains uncl...

journal_title：Archives of biochemistry and biophysics

authors： Bhatia MB,Grubmeyer C

更新日期：1993-06-01 00:00:00

abstract：:A cDNA clone encoding troponin C of Akazara scallop (Chlamys nipponensis akazara) striated adductor muscle was isolated and sequenced. The cDNA is composed of 1987 bp and has an open reading frame of 462 bp at nucleotide positions 12-473. The amino acid sequence deduced from the cDNA showed 89% homology with that of E...

journal_title：Archives of biochemistry and biophysics

authors： Ojima T,Tanaka H,Nishita K

更新日期：1994-06-01 00:00:00

abstract：:Nickel (Ni) is widely present in the occupational environment and causes various adverse effects on the human body. Apoptosis induced by Ni2+ may be a key mechanism underlying its toxic effect. In the present study, we investigated the effect of Ni-smelting fumes on cell viability, mitochondrial damage, and apoptosis-...

journal_title：Archives of biochemistry and biophysics

authors： Pan YL,Xin R,Wang SY,Wang Y,Zhang L,Yu CP,Wu YH

更新日期：2018-12-15 00:00:00

abstract：:Assembly of the cellulosome, a large, extracellular cellulase complex, depends upon docking of a myriad of enzymatic subunits to homologous receptors, or cohesin domains, arranged in tandem along a noncatalytic scaffolding protein. Docking to the cohesin domains is mediated by a highly conserved domain, dockerin (DS),...

journal_title：Archives of biochemistry and biophysics

authors： Lytle BL,Volkman BF,Westler WM,Wu JH

更新日期：2000-07-15 00:00:00

abstract：:Angiotensin II (Ang II) plays an important role in inflammatory process. Acute lung injury (ALI), an inflammatory disorder of the lung, is commonly associated with endotoxemia; however, the mechanism that endotoxin (lipopolysaccharide, LPS) induces the inflammatory response in ALI is not well defined. Here, we showed,...

journal_title：Archives of biochemistry and biophysics

authors： Liu L,Qiu HB,Yang Y,Wang L,Ding HM,Li HP

更新日期：2009-01-01 00:00:00

abstract：:Investigations into the enzymes responsible for the reductive activation of antineoplastic agents are of particular interest with regard to the use of these agents in the treatment of solid tumors. Xanthine oxidase (EC 1.1.3.22; XO) and xanthine dehydrogenase (EC 1. 1.1.204; XDH) are two enzymes capable of the reducti...

journal_title：Archives of biochemistry and biophysics

authors： Yee SB,Pritsos CA

更新日期：1997-11-15 00:00:00

abstract：:A new creatine analog, 1-carboxyethyl-2-iminoimidazolidine (homocyclocreatine), has been synthesized and compared with other synthetic analogs of creatine as a substrate for creatine kinase under both in vitro and in vivo conditions. Reactivity with rabbit muscle creatine kinase at 2 mM and pH 7.0 occurred in the orde...

journal_title：Archives of biochemistry and biophysics

authors： Roberts JJ,Walker JB

更新日期：1983-02-01 00:00:00

abstract：:A green manganese desferrioxamine complex is rapidly formed at room temperature upon stirring freshly precipitated manganese dioxide in a solution of the ligand. Spectral studies and low-temperature ESR indicate that this compound, which has been previously described as a manganese(III) complex, is better characterize...

journal_title：Archives of biochemistry and biophysics

authors： Rush JD,Maskos Z,Koppenol WH

更新日期：1991-08-15 00:00:00

abstract：:The cancer chemopreventive actions of oltipraz, a member of a class of 1,2-dithiolethiones, have been primarily associated with the induction of phase 2 enzymes mediated by a 41bp enhancer element known as the anti-oxidant response element in the promoter regions of many phase 2 genes. It has been suggested that oxyge...

journal_title：Archives of biochemistry and biophysics

authors： Velayutham M,Villamena FA,Fishbein JC,Zweier JL

更新日期：2005-03-01 00:00:00

abstract：:The macrophage mannose receptor is highly susceptible to modulation by a variety of inflammatory and anti-inflammatory agents. Previous studies have demonstrated that mannose receptor activity is dramatically enhanced in rat bone marrow macrophages following treatment with dexamethasone. In the present study we have i...

journal_title：Archives of biochemistry and biophysics

authors： Cowan HB,Vick S,Conary JT,Shepherd VL

更新日期：1992-07-01 00:00:00

abstract：:I had the fortune to be introduced to Helmut Sies during the mid 1980s, while working as a post-doctoral scientist at the University of California, Berkeley. At that time, Helmut was a frequent visitor of the Bruce Ames' laboratory and a leading authority in antioxidants and oxidative stress. His concepts, ideas and w...

journal_title：Archives of biochemistry and biophysics

authors： Stocker R

更新日期：2016-04-01 00:00:00

abstract：:P-815 mouse mastocytoma cells express the K isozyme of pyruvate kinase and the specific activity of this enzyme is increased in response to N6,2'-O-dibutyryladenosine 3':5'-cyclic monophosphate, 8-bromoadenosine 3':5'-cyclic monophosphate, cholera toxin, and epinephrine, all of which also elevate the intracellular con...

journal_title：Archives of biochemistry and biophysics

authors： Ngo JL,Ibsen KH

更新日期：1989-03-01 00:00:00

abstract：:Subcutaneous implantation of demineralized bone matrix in rats induces migration of host cells into the site and results in the sequential development of cartilage and bone. The biosynthesis and metabolic fate of proteoglycans in the plaques at the bone matrix implantation site were investigated by [35S]sulfate labeli...

journal_title：Archives of biochemistry and biophysics

authors： Tian MY,Yanagishita M,Hascall VC,Reddi AH

更新日期：1986-05-15 00:00:00

abstract：:cDNA for mouse cytochrome c oxidase subunit IV (COXIV) was isolated by screening mouse liver and kidney cDNA libraries with a bovine COXIV cDNA probe. The 679-nucleotide nearly full length cDNA codes for a 22-amino acid presequence and a 147-amino acid mature protein which show 77 to 95% positional identity with the p...

journal_title：Archives of biochemistry and biophysics

authors： Carter RS,Avadhani NG

更新日期：1991-07-01 00:00:00

abstract：:Phenylalanine ammonia-lyase (PAL) catalyzes the beta-elimination of ammonia from L-phenylalanine to trans-cinnamic acid. A study of inhibition of PAL by phenol, ortho-cresol, and meta-cresol gave mixed inhibition; para-cresol is not an inhibitor. The calculated values of K(i) and alphaK(i) are phenol, K(i)=2.1+/-0.5 m...

journal_title：Archives of biochemistry and biophysics

authors： Alunni S,Cipiciani A,Fioroni G,Ottavi L

更新日期：2003-04-15 00:00:00

abstract：:The effect of glutathione (GSH) on the superoxide-sensitive [4Fe-4S]-containing aconitase of Escherichia coli was explored. A mutant deficient in GSH biosynthesis, designated gshA, grew slower in a defined medium than did the parental strain and this effect was more pronounced when succinate was supplied as the carbon...

journal_title：Archives of biochemistry and biophysics

authors： Gardner PR,Fridovich I

更新日期：1993-02-15 00:00:00

abstract：:No major structural alteration of alkaline phosphatase can be observed in the early stages of enzyme oxidative inactivation by the ascorbate model system. Fluorescence changes of protein-bound 8-anilino-1-naphthalenesulfonic acid suggest, however, that localized modifications take place. Oxidized alkaline phosphatase ...

journal_title：Archives of biochemistry and biophysics

authors： Mordente A,Martorana GE,Miggiano GA,Meucci E,Santini SA,Castelli A

更新日期：1988-08-01 00:00:00

abstract：:5 alpha-Dihydrotestosterone, the principal androgen mediating prostate growth and function in the rat, is formed from testosterone by steroid 5 alpha-reductase. The inactivation of 5 alpha-dihydrotestosterone involves reversible reduction to 5 alpha-androstane-3 beta,17 beta-diol by 3 beta-hydroxysteroid oxidoreductas...

journal_title：Archives of biochemistry and biophysics

authors： Gemzik B,Parkinson A

更新日期：1992-08-01 00:00:00

abstract：:Regional hyperthermia has potential for human cancer treatment, particularly in combination with systemic chemotherapy or radiotherapy. The mechanisms involved in heat-induced cell killing are currently unknown. Hyperthermia may increase oxidative stress in cells, and thus, oxidative stress could have a role in the me...

journal_title：Archives of biochemistry and biophysics

authors： Lord-Fontaine S,Averill DA

更新日期：1999-03-15 00:00:00

abstract：:Hippocampal-dependent cognitive functions rely on production of new neurons and maintenance of dendritic structures to provide the synaptic plasticity needed for learning and formation of new memories. Hippocampal formation is exquisitely sensitive to patho-physiological changes, and reduced antioxidant capacity and e...

journal_title：Archives of biochemistry and biophysics

authors： Huang TT,Leu D,Zou Y

更新日期：2015-06-15 00:00:00

abstract：:DNA damage has been postulated as a mechanism of neuronal death in Parkinson's disease (PD). In the present study, genomic DNA was isolated from eight brain regions (frontal, temporal, and occipital cortex, hippocampus, caudate/putamen, thalamus, cerebellum, and midbrain) from five neuropathologically confirmed cases ...

journal_title：Archives of biochemistry and biophysics

authors： Hegde ML,Gupta VB,Anitha M,Harikrishna T,Shankar SK,Muthane U,Subba Rao K,Jagannatha Rao KS

更新日期：2006-05-15 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：:Vascular smooth muscle cell (VSMC) proliferation is a key event in the progression of atherosclerosis. Induction of both c-fos (through the transcription factor Elk-1) and c-jun, both immediate early genes, is important for the stimulation of VSMC proliferation and migration. It was earlier found that p38 mitogen-acti...

journal_title：Archives of biochemistry and biophysics

authors： Zhao M,Liu Y,Bao M,Kato Y,Han J,Eaton JW

更新日期：2002-04-15 00:00:00

abstract：:There is dose-dependent Cd(2+)-evoked swelling of isolated rat liver mitochondria energized by complex I, II, or IV respiratory substrates in sucrose medium in the absence of added Ca(2+) and P(i), which is prevented by Sr(2+). Permeability transition effectors (ADP, CsA, EGTA, RR, DTT, ATR, P(i), and Ca(2+)) affect i...

journal_title：Archives of biochemistry and biophysics

authors： Belyaeva EA,Glazunov VV,Korotkov SM

更新日期：2002-09-15 00:00:00

abstract：:A detailed knowledge about the substrate specificities of the heparin lyases is necessary when using these enzymes as tools for elucidating the sequence of heparin and heparan sulfate. The substrate specificity of heparin lyases I, II, and III have been profiled with structurally defined, heparin-derived oligosacchari...

journal_title：Archives of biochemistry and biophysics

authors： Desai UR,Wang HM,Linhardt RJ

更新日期：1993-11-01 00:00:00

abstract：:Oxidative stress in the small intestine can result in altered cell proliferation, migration, and differentiation of villus-crypt cells. Retinoid metabolism is recognized as an important mediator of cellular differentiation in the intestine. This study examined the effect of oxidative stress in retinoid metabolism in a...

journal_title：Archives of biochemistry and biophysics

authors： Prabhu R,Thomas S,Balasubramanian KA

更新日期：2005-02-15 00:00:00

abstract：:Plastidial acyl-acyl carrier protein:sn-glycerol-3-phosphate acyltransferase (GPAT; EC 2.3.1.15) catalyzes the acyl-acyl carrier protein-dependent sn-1 acylation of sn-glycerol 3-phosphate (G3P) to produce lysophosphatic acid. Functional recombinant Erysimum asperum GPAT (EaGPAT), devoid of transit peptide, was produc...

journal_title：Archives of biochemistry and biophysics

authors： Chen X,Miles R,Snyder C,Truksa M,Zhang J,Shah S,Weselake RJ

更新日期：2014-07-15 00:00:00

abstract：:A microsomal preparation from seedlings of Zea mays catalyzed the NAD+-dependent oxidative decarboxylation of several substrates, including 4alpha-carboxy-cholest-7-en-3beta-ol, synthesized according to a new procedure, giving the first in vitro evidence for this enzymatic activity in a higher plant. A GC assay has be...

journal_title：Archives of biochemistry and biophysics

authors： Rondet S,Taton M,Rahier A

更新日期：1999-06-15 00:00:00

abstract：:Adenylosuccinate synthetase catalyzes the first committed step in the de novo biosynthesis of AMP, thermodynamically coupling the hydrolysis of GTP to the formation of adenylosuccinate from l-aspartate and IMP. The enzyme from Esherichia coli undergoes a ligand-induced dimerization, which leads to the assembly of a co...

journal_title：Archives of biochemistry and biophysics

authors： Honzatko RB,Fromm HJ

更新日期：1999-10-01 00:00:00