abstract：:Previously, we isolated and characterized the gene encoding the 3'-Nucleotidase/Nuclease (Ld3'NT/NU) from the human pathogen, Leishmania donovani. This unique cell surface enzyme has been shown to be involved in the salvage of host-derived purines, which are essential for the survival of this important protozoan paras...

journal_title：Molecular and cellular biochemistry

authors： Debrabant A,Bastien P,Dwyer DM

更新日期：2001-04-01 00:00:00

abstract：:Myostatin belongs to the Transforming Growth Factor-beta (TGF-beta) superfamily and is expressed in developing and mature skeletal muscle. Biologically, the role of myostatin seems to be extremely well conserved during evolution since inactivating mutations in myostatin gene cause similar phenotype of heavy muscling i...

journal_title：Molecular and cellular biochemistry

authors： Jeanplong F,Sharma M,Somers WG,Bass JJ,Kambadur R

更新日期：2001-04-01 00:00:00

abstract：:The present study is designed to investigate the effect of myocardial preconditioning with oxidative stress induced by pyrogallol or H2O2, on ischaemia-reperfusion induced myocardial injury. Isolated perfused rat heart was subjected to global ischaemia for 30 min followed by reperfusion for 120 min. Coronary effluent ...

journal_title：Molecular and cellular biochemistry

authors： Sharma A,Singh M

更新日期：2001-03-01 00:00:00

abstract：:The binding of nuclear factor on the promoter region of the regucalcin gene and the expression of regucalcin in the kidney cortex of rats was investigated. Nuclear extracts from kidney cortex were used for oligonucleotide competition gel mobility shift assay. An oligonucleotide between position -523 and -506 in the 5'...

journal_title：Molecular and cellular biochemistry

authors： Misawa H,Yamaguchi M

更新日期：2001-03-01 00:00:00

abstract：:Atrial natriuretic peptide (ANP) and B-type natriuretic peptide (BNP) are two hormones produced and secreted by the heart to control blood pressure, body fluid homeostasis and electrolyte balance. Each peptide binds to a common family of 3 receptors (GC-A, GC-B and C-receptor) with varying degrees of affinity. The pro...

journal_title：Molecular and cellular biochemistry

authors： Tse MY,Watson JD,Sarda IR,Flynn TG,Pang SC

更新日期：2001-03-01 00:00:00

abstract：:The antioxidant activity of epigallocatechin gallate (EGCG) was studied in different in vitro model systems, which enabled evaluation of both chemical and physical factors involved in assessing the role of EGCG in oxidative reactions. EGCG suppressed the initiation rate and prolonged the lag phase duration of peroxyl ...

journal_title：Molecular and cellular biochemistry

authors： Hu C,Kitts DD

更新日期：2001-02-01 00:00:00

abstract：:In addition to the classical genomic steroid actions on modulation of transcription and protein synthesis, rapid, nongenomic effects have been described for various steroids. These effects on cellular signaling and function are supposed to be transmitted by membrane binding sites unrelated to the classical intracellul...

journal_title：Molecular and cellular biochemistry

authors： Falkenstein E,Eisen C,Schmieding K,Krautkrämer M,Stein C,Lösel R,Wehling M

更新日期：2001-02-01 00:00:00

abstract：:The cardiac subtype of Na+/H+ exchanger (NHE-1) plays an important role in the regulation of intracellular pH (pHi) and also can be a major route for Na+ influx. Although intracellular ATP is required for the optimal function of NHE-1, the regulation of the exchanger by ATP is less well characterized. This study was d...

journal_title：Molecular and cellular biochemistry

authors： Sugiyama S,Satoh H,Nomura N,Terada H,Watanabe H,Hayashi H

更新日期：2001-01-01 00:00:00

abstract：:Two alternatively spliced forms of human PPAR alpha mRNA, PPAR alpha1 and PPAR alpha2, have been identified. PPAR alpha1 mRNA gives rise to an active PPAR alpha protein while PPAR alpha2 mRNA gives rise to a form of PPAR which lacks the ligand-binding domain. PPAR alpha2 is unable to activate a peroxisome proliferator...

journal_title：Molecular and cellular biochemistry

authors： Hanselman JC,Vartanian MA,Koester BP,Gray SA,Essenburg AD,Rea TJ,Bisgaier CL,Pape ME

更新日期：2001-01-01 00:00:00

abstract：:Thrombospondin-1 (TSP-1) is a homotrimeric glycoprotein synthesized in a variety of normal and transformed cells, and secreted into the extracellular matrix. Based on its known effects on the tumor and endothelial cells, TSP-1 was implicated in the tumor growth and metastasis. In the present study, we have demonstrate...

journal_title：Molecular and cellular biochemistry

authors： Kim SA,Um SJ,Kang JH,Hong KJ

更新日期：2001-01-01 00:00:00

abstract：:L-asparaginase EC 3.5.1.1 was purified to homogeneity from Thermus thermophilus. The apparent molecular mass of L-asparaginase by SDS-PAGE was found to be 33 kDa, whereas by its mobility on Sephacryl S-300 superfine column was around 200 kDa, indicating that the enzyme at the native stage acts as hexamer. The purified...

journal_title：Molecular and cellular biochemistry

authors： Pritsa AA,Kyriakidis DA

更新日期：2001-01-01 00:00:00

abstract：:Myocardial infarction is the most common cause of congestive cardiac failure. Free radicals, cytokines, nitric oxide (NO) and antioxidants play a major role both in atherosclerosis and myocardial damage and preservation. In the early stages of atherosclerosis, neutrophils and monocytes infiltrate the intima and genera...

journal_title：Molecular and cellular biochemistry

authors： Das UN

更新日期：2000-12-01 00:00:00

abstract：:The normal translocation of nascent polypeptides into the lumen of the endoplasmic reticulum (ER) is thought to be aided in part by a translocon-associated protein (TRAP) complex consisting of 4 protein subunits. The association of mature proteins with the ER and Golgi, or other intracellular locales, such as lysosome...

journal_title：Molecular and cellular biochemistry

authors： Mangos S,Krawetz R,Kelly GM

更新日期：2000-12-01 00:00:00

abstract：:To understand the mechanism underlying the transcriptional regulation of the immediate early gene TIS11, we characterized the 5'-flanking region of the rat TIS11 gene. When fused to the luciferase reporter gene, the 5.3-kb 5'-flanking region of the rat TIS11 gene exhibited functional promoter activity in pheochromocyt...

journal_title：Molecular and cellular biochemistry

authors： Murata T,Niimi Y,Kaneda N

更新日期：2000-11-01 00:00:00

abstract：:The aim of the present study was to investigate whether lipid metabolism in the nuclei is affected by changes in the metabolism of free fatty acids in the liver. The experiments were carried out on 3 groups of rats: 1 - control-male, 2 - female, and 3 - male, treated with bezafibrate (a peroxisome proliferator). The r...

journal_title：Molecular and cellular biochemistry

authors： Górski J,Zendzian-Piotrowska M,Wolfrum C,Nawrocki A,Spener F

更新日期：2000-11-01 00:00:00

abstract：:The TIS11 gene is an immediate early gene that is induced rapidly and transiently by phorbol 12-myristate 13-acetate and various growth factors. To study transcriptional regulation of the gene, a genomic clone of rat TIS11 was isolated, and the organization of exon-intron structure and transcriptional initiation site ...

journal_title：Molecular and cellular biochemistry

authors： Kaneda N,Murata T,Niimi Y,Minamiyama M

更新日期：2000-10-01 00:00:00

abstract：:The effects of 8-week diethylmaleate (DEM) and clofibric acid (CFA) supplemented diet on blood pressure, body and liver weights, liver antioxidant status and nitric oxide synthase (NOS) activity were investigated in 8-week DOCA-salt treated and untreated Sprague-Dawley male rats. It appeared that DEM and particularly ...

journal_title：Molecular and cellular biochemistry

authors： Nicod L,Rodriguez S,Jacqueson A,Viollon-Abadie C,Berthelot A,Richert L

更新日期：2000-10-01 00:00:00

abstract：:The CREB-CREM transcription factors are the main gene regulatory effectors of the cAMP signaling pathway. The investigations of this family of transcription factors had a profound impact on the understanding of signaling-induced gene transcription. Here we discuss some key aspects of the underlying biology, review tra...

journal_title：Molecular and cellular biochemistry

authors： Haus-Seuffert P,Meisterernst M

更新日期：2000-09-01 00:00:00

abstract：:This work investigated the role of Ca2+ mobilization and heterotrimeric G protein activation in mediating angiotensin II-dependent tyrosine phosphorylation signaling patterns. We demonstrate that the predominant, angiotensin II-dependent, tyrosine phosphorylation signaling patterns seen in vascular smooth muscle cells...

journal_title：Molecular and cellular biochemistry

authors： Sayeski PP,Ali MS,Bernstein KE

更新日期：2000-09-01 00:00:00

abstract：:Angiotensin II induces the expression of platelet-derived growth factor A-chain and B-chain in cultured vascular smooth muscle cells at the level of transcription. The renin-angiotensin system has also been implicated in the increased expression of platelet-derived growth factor in the mechanically-injured artery wall...

journal_title：Molecular and cellular biochemistry

authors： Khachigian LM,Takuwa Y,Collins T

更新日期：2000-09-01 00:00:00

abstract：:Changes in demands for Na+ transport alter expression of the Na+,K+ -ATPase subunit isoforms. In skeletal muscle, the effects of these changes on expression the alpha2 isoform, the major isoform expressed in differentiated muscle cell, is not known. Therefore, this study examines regulation of the alpha-subunit isofor...

journal_title：Molecular and cellular biochemistry

authors： Ladka R,Ng YC

更新日期：2000-08-01 00:00:00

abstract：:Tedisamil is antiarrhythmic class III drug with antifibrillating/defibrillating potency linked to enhancement of intermyocyte gap junctional electrical coupling most likely via its sympathomimetic cAMP-related mechanisms. This study was designed to examine the effect of tedisamil on cAMP level in guinea pig hearts in ...

journal_title：Molecular and cellular biochemistry

authors： Tribulova N,Ravingerova T,Okruhlicova L,Gabauer I,Fickova M,Pancza D,Slezak J,Manoach M

更新日期：2000-07-01 00:00:00

abstract：:The metabolism of D-glucose was characterized in both normal dispersed rat islet cells and the 2-mercaptoethanol-dependent insulin-secreting cells of the INS-1 line. The normal and tumoral islet cells differed from one another by the relative magnitude, concentration dependency and hierarchy of the increase in the pro...

journal_title：Molecular and cellular biochemistry

authors： Nadi AB,Olivares E,Malaisse WJ

更新日期：2000-07-01 00:00:00

abstract：:Using rat liver mitochondria, as model systems, we have examined the ability of the natural compound and the food-flavoring agent, vanillin to protect membranes against oxidative damage induced by photosensitization at concentrations normally used in food preparations. Vanillin, at a concentration of 2.5 mmol/L, has a...

journal_title：Molecular and cellular biochemistry

authors： Kamat JP,Ghosh A,Devasagayam TP

更新日期：2000-06-01 00:00:00

abstract：:The levels of plasma apolipoprotein (apo) E, an anti-atherogenic protein involved in mammalian cholesterol transport, were found to be 2-3 fold lower in mice over-expressing human apoA-I gene. ApoE is mainly associated with VLDL and HDL-size particles, but in mice the majority of the apoE is associated with the HDL pa...

journal_title：Molecular and cellular biochemistry

authors： Srivastava RA

更新日期：2000-06-01 00:00:00

abstract：:We investigated retinol effects in ornithine decarboxylase activity in Sertoli cells. We also tested the hypothesis that free radical scavengers and iron chelators may attenuate the effect of retinol. Sertoli cells isolated from 15-day-old Wistar rats were previously cultured for 48 h and then treated with retinol by ...

journal_title：Molecular and cellular biochemistry

authors： Klamt F,Dal-Pizzol F,Ribeiro NC,Bernard EA,Benfato MS,Moreira JC

更新日期：2000-05-01 00:00:00

abstract：:The simultaneous administration of the DNA topoisomerase II inhibitor etoposide (0.15 mM) and 1,25-dihydroxyvitamin D3 (VD3) (10 nM) synergistically induced the differentiation of HL-60 human promyelocytic leukemia cells. Similar results were obtained using U-937 human promonocytic cells, or the topoisomerase II inhib...

journal_title：Molecular and cellular biochemistry

authors： Torres R,Calle C,Aller P,Mata F

更新日期：2000-05-01 00:00:00

abstract：:The regulation of phosphatidylcholine-specific phospholipase D by purine nucleotides and protein kinase A were studied in vitro using an enzyme preparation partially purified from the membranous fraction of 7721 hepatocarcinoma cells. It was found that the enzyme activity was elevated by low concentrations of some pur...

journal_title：Molecular and cellular biochemistry

authors： Huang Y,Zhang XY,Liu F,Chen HL

更新日期：2000-04-01 00:00:00

abstract：:Adriamycin (doxorubicin) is one of the most effective chemotherapeutic agents against a variety of cancers, but its usefulness is seriously curtailed by the risk of developing heart failure. Available laboratory evidence suggests that an increase in oxidative stress, brought about by increased free radical production ...

journal_title：Molecular and cellular biochemistry

authors： Singal PK,Li T,Kumar D,Danelisen I,Iliskovic N

更新日期：2000-04-01 00:00:00

abstract：:Atherosclerosis is the leading cause of death in North America. It is characterized by thickening of the coronary artery wall by the formation of plaques, resulting in reduced blood flow. Plaque rupture and the consequent thrombosis may lead to sudden blockage of arteries and causing stroke and heart attack. In the la...

journal_title：Molecular and cellular biochemistry

authors： Choy PC,Mymin D,Zhu Q,Dakshinamurti K,O K

更新日期：2000-04-01 00:00:00

abstract：:Effectiveness of selenium in different forms like sodium selenite, selenocysteine and selenomethionine has been compared in four different doses, namely 4, 6, 8 and 10 ppm of each, in terms of their bioavailability and prolongation of survival of Dalton's lymphoma (DL) bearing mice. Selenomethionine, at a dose of 8 pp...

journal_title：Molecular and cellular biochemistry

authors： Mukhopadhyay-Sardar S,Rana MP,Chatterjee M

更新日期：2000-03-01 00:00:00

abstract：:Endothelial cells are known to produce reactive oxygen species by several mechanisms. Functional consequences of increased production of reactive oxygen species were investigated in vitro after stimulation with several proinflammatory cytokines. Time dependent increases in DCF-fluorescence as a measure of reactive oxy...

journal_title：Molecular and cellular biochemistry

authors： Volk T,Hensel M,Schuster H,Kox WJ

更新日期：2000-03-01 00:00:00

abstract：:The purpose of this study was to evaluate the mechanism by which Escherichia coli lipopolysaccharide stimulates the secretion of phosphatidylcholine in primary cultures of rat type II pneumocytes. The stimulatory effect of lipopolysaccharide on phosphatidylcholine secretion was additive to those of terbutaline and TPA...

journal_title：Molecular and cellular biochemistry

authors： Benito E,Portolés MT,Bosch MA

更新日期：2000-02-01 00:00:00

abstract：:Cell culture in collagen lattice is known to be a more physiological model than monolayer for studying the regulation of extracellular matrix protein deposition. The synthesis of sulfated glycosaminoglycans (GAG) and dermatan sulfate (DS) proteoglycans by 3 cell strains were studied in confluent monolayers grown on pl...

journal_title：Molecular and cellular biochemistry

authors： Wegrowski Y,Gillery P,Kotlarz G,Perreau C,Georges N,Maquart FX

更新日期：2000-02-01 00:00:00

abstract：:The effects of DOCA-salt hypertensive treatment on hepatic glutathione-dependent defense system, antioxidant enzymes, lipid peroxidation, mixed function oxidase and UDP-glucuronyl transferase activities were investigated in male Sprague Dawley rats. Compared with controls, DOCA-salt hypertensive rats had lower body we...

journal_title：Molecular and cellular biochemistry

authors： Nicod L,Rodriguez S,Letang JM,Viollon-Abadie C,Jacqueson A,Berthelot A,Richert L

更新日期：2000-01-01 00:00:00

abstract：:Peroxisomes and peroxisomal enzyme expression were investigated biochemically and morphometrically in guinea pig intestinal epithelial cells at different stages of their migration along the crypt-villus axis. Epithelial cells were sequentially isolated along the axis and the specific activities of the peroxisomal enzy...

journal_title：Molecular and cellular biochemistry

authors： Phipps AN,Connock MJ,Johnson P,Burdett K

更新日期：2000-01-01 00:00:00

abstract：:The interaction of deferiprone (1,2-dimethyl-3-hydroxy-pyrid-4-one) L1, the first clinically available oral iron chelator, with the tetrameric allosteric protein hemoglobin from human red blood cells has been investigated spectrofluorometrically and by circular dichroism spectroscopy. The interaction is hydrogenbond l...

journal_title：Molecular and cellular biochemistry

authors： Chakraborty D,Bhattacharyya M

更新日期：2000-01-01 00:00:00

abstract：:This study was undertaken to clarify the role of high-energy phosphate metabolism in hydrogen peroxide-induced cardiac dysfunction using phosphorus and fluorine nuclear magnetic resonance spectroscopy. The exposure of a Langendorff-perfused heart to hydrogen peroxide (200-400 micromol/L, 8 min) provoked biphasic contr...

journal_title：Molecular and cellular biochemistry

authors： Matsumoto Y,Kaneko M,Iimuro M,Fujise Y,Hayashi H

更新日期：2000-01-01 00:00:00

abstract：:Apoptosis is a physiological mechanism for the control of DNA integrity in mammalian cells. Vanadium induces both DNA damage and apoptosis. It is suggested that vanadium-induced apoptosis serves to eliminate DNA-damaged cells. This study is designed to clarify a role of reactive oxygen species in the mechanism of apop...

journal_title：Molecular and cellular biochemistry

authors： Ye J,Ding M,Leonard SS,Robinson VA,Millecchia L,Zhang X,Castranova V,Vallyathan V,Shi X

更新日期：1999-12-01 00:00:00

abstract：:Rat pancreatic acinar cells AR 4-2J respond to dexamethasone by differentiation and a decreased proliferation rate. Protein labelling by [3H]-mevalonolactone, used as a precursor of farnesyl and geranylgeranyl isoprenoid groups, was increased in the presence of dexamethasone. In these same conditions, dexamethasone de...

journal_title：Molecular and cellular biochemistry

authors： Lambert M,Bui ND

更新日期：1999-12-01 00:00:00