abstract：:The results of our previous studies demonstrated that acute streptozotocin-induced diabetes in rats evoked a decrease in skin collagen content with little effect on glycosaminoglycans (GAG) content. In our present study we employed the model of chronic diabetes in order to check its effect on skin GAG content. It was ...

journal_title：Molecular and cellular biochemistry

authors： Cechowska-Pasko M,Pałka J,Bańkowski E

更新日期：1996-01-12 00:00:00

abstract：:In the present study we investigated if administration of vitamin A could protect rat liver microsomes and mitochondria from in vitro peroxidation. Appreciable decrease of chemiluminescence and lipid peroxidation was measured in microsomal membranes from rats receiving vitamin A, with respect to control animals. In me...

journal_title：Molecular and cellular biochemistry

authors： Palacios A,Piergiacomi VA,Catalá A

更新日期：1996-01-12 00:00:00

abstract：:The present study was undertaken to characterize the contractile effects of vanadate on thoracic aorta rings from virgin and term-pregnant rats. Vanadate caused concentration-dependent contraction in rat aortic rings with an EC50 (concentration producing 50% maximum response) of 0.10 mM. Contractions in response to va...

journal_title：Molecular and cellular biochemistry

authors： St-Louis J,Sicotte B,Breton E,Srivastava AK

更新日期：1995-12-06 00:00:00

abstract：:Although considerable evidence lends credence to the association between insulin resistance, hyperinsulinemia and essential hypertension, the precise nature of this relationship remains unexplained. In the present investigation, we examined the proposition that these metabolic defects contribute causally to the develo...

journal_title：Molecular and cellular biochemistry

authors： Bhanot S,Michoulas A,McNeill JH

更新日期：1995-12-06 00:00:00

abstract：:Effect of several vanadium salts, sodium orthovanadate, vanadyl sulfate and sodium metavanadate on protein tyrosine phosphorylation and serine/threonine kinases in chinese hamster ovary (CHO) cells overexpressing a normal human insulin receptor was examined. All the compounds stimulated protein tyrosine phosphorylatio...

journal_title：Molecular and cellular biochemistry

authors： Pandey SK,Chiasson JL,Srivastava AK

更新日期：1995-12-06 00:00:00

abstract：:Endothelial cell nitric oxide synthase (NOS) is known to have a N-myristoylation consensus sequence. Such a consensus sequence is not evident in the macrophage, smooth muscle and neuronal NOS. A functional role for this N-terminal myristoylation is not clear yet. In the present study, we examined the effect of N-termi...

journal_title：Molecular and cellular biochemistry

authors： Sakoda T,Hirata K,Kuroda R,Miki N,Suematsu M,Kawashima S,Yokoyama M

更新日期：1995-11-22 00:00:00

abstract：:The influence of altered levels of endogenous catecholamines following adrenalectomy or 6-hydroxydopamine (6-OH) treatment (alone or in combination) on enzymatic (glutathione reductase, catalase, glutathione peroxidase and Cu, Zn superoxide dismutase) and non-enzymatic (glutathione) antioxidant components of heart, li...

journal_title：Molecular and cellular biochemistry

authors： Toleikis PM,Godin DV

更新日期：1995-11-08 00:00:00

abstract：:Pig coronary artery cultured smooth muscle cells were skinned using saponin. In the presence of an ATP-regenerating system and oxalate, the skinned cells showed an ATP-dependent azide insensitive Ca(2+)-uptake which increased linearly with time for > 1 h. The Ca(2+)-uptake occurred with Km values of 0.20 +/- 0.03 micr...

journal_title：Molecular and cellular biochemistry

authors： Elmoselhi AB,Blennerhassett M,Samson SE,Grover AK

更新日期：1995-10-18 00:00:00

abstract：:Insulin receptor binding was examined in the microvillous membranes of mid-term (20-22 weeks of gestation, MT) and full-term (FT) placentas from patients with gestational diabetes mellitus (GDM) and in normal pregnant control (N). Mid-term placentas were obtained from patients who have had spontaneous abortion. The ma...

journal_title：Molecular and cellular biochemistry

authors： al-Attas OS

更新日期：1995-10-04 00:00:00

abstract：:Protein phosphorylation was investigated in [32P]-labeled cardiomyocytes isolated from adult rat heart ventricles. The beta-adrenergic stimulation (by isoproterenol, ISO) increased the phosphorylation of inhibitory subunit of troponin (TN-I), C-protein and phospholamban (PLN). Such stimulation was largely mediated by ...

journal_title：Molecular and cellular biochemistry

authors： Sulakhe PV,Vo XT

更新日期：1995-08-01 00:00:00

abstract：:In mammalian cells, increases in calcium concentration cause increases in oxidative phosphorylation. This effect is mediated by the activation of four mitochondrial dehydrogenases by calcium ions; FAD-glycerol 3-phosphate dehydrogenase, pyruvate dehydrogenase, NAD-isocitrate dehydrogenase and oxoglutarate dehydrogenas...

journal_title：Molecular and cellular biochemistry

authors： Nichols BJ,Denton RM

更新日期：1995-08-01 00:00:00

abstract：:The cyclic AMP (cAMP) system plays a critical role in olfactory learning in the fruit fly, Drosophila melanogaster, as evidenced by the following: [1] The dunce gene encodes a form of cAMP phosphodiesterase (PDE). Flies carrying mutations at this gene show reduced PDE activity, high cAMP levels, and deficits in olfact...

journal_title：Molecular and cellular biochemistry

authors： Davis RL,Cherry J,Dauwalder B,Han PL,Skoulakis E

更新日期：1995-08-01 00:00:00

abstract：:The function of the uterine smooth muscle in gestation and parturition is affected by a variety of hormones and biomolecules, some of which alter the intracellular levels of cAMP and Ca2+. Since the activity of smooth muscle MLCK has been shown to be modulated by phosphorylation, the effect of this modification of pre...

journal_title：Molecular and cellular biochemistry

authors： Pato MD,Kerc E,Lye SJ

更新日期：1995-08-01 00:00:00

abstract：:Incubation of MC-1010 cells with the spin-trapping agent 5,5-dimethyl-1-pyrroline 1-oxide (DMPO) followed by brief treatment with the solid oxidant lead dioxide (PbO2) yielded, after filtration, a cell-free solution that contained two nitroxyl adducts. The first was the hydroxyl radical adduct, 5,5-dimethyl-2-hydroxyp...

journal_title：Molecular and cellular biochemistry

authors： Bernofsky C,Bandara BM

更新日期：1995-07-19 00:00:00

abstract：:Hypertrophic scarring (HSc) which frequently develops in patients following severe thermal injury is characterized by accumulation of extracellular matrix (ECM) proteins including type I and type III collagen. In this study, we examined the presence and quantity of IGF-1 mRNA transcripts in post-burn HSc. The results ...

journal_title：Molecular and cellular biochemistry

authors： Ghahary A,Shen YJ,Nedelec B,Scott PG,Tredget EE

更新日期：1995-07-05 00:00:00

abstract：UNLABELLED:Since recent findings indicate the involvement of G-proteins in the mechanism of ischaemic preconditioning (PC), the present study was aimed to investigate the role of adrenergic mechanisms, such as G-proteins and stimulation of adrenergic receptors, in this phenomenon. For this purpose, isolated Langendorff...

journal_title：Molecular and cellular biochemistry

authors： Ravingerová T,Pyne NJ,Parratt JR

更新日期：1995-06-07 00:00:00

abstract：:The interaction of immune cells with endothelial and target cells and extracellular matrix in human organ transplants is regulated by a number of receptor-ligand molecules. The molecules mediating intercellular adhesion and activation are classified as integrin, immunoglobulin and selectin families. In the present stu...

journal_title：Molecular and cellular biochemistry

authors： Steinhoff G,Haverich A

更新日期：1995-06-07 00:00:00

abstract：:From pharmacological investigations and clinical studies, it is known that angiotensin converting enzyme (ACE) inhibitors exhibit additional local actions, which are not related to hemodynamic changes and which cannot be explained only by interference with the renin angiotensin system (RAS) by means of an inhibition o...

journal_title：Molecular and cellular biochemistry

authors： Linz W,Wiemer G,Schaper J,Zimmermann R,Nagasawa K,Gohlke P,Unger T,Schölkens BA

更新日期：1995-06-07 00:00:00

abstract：:We studied the effects of SEB on [14C]-choline transport and metabolism of choline containing phospholipids in cultured human kidney proximal tubular (PT) cells. SEB increased the uptake of [14C]-choline in PT cells as a function of toxin concentration, incubation time, and pH. The maximum increase in uptake (3.5-5-fo...

journal_title：Molecular and cellular biochemistry

authors： Khullar M,Chatterjee S

更新日期：1995-05-24 00:00:00

abstract：:Visceral leishmaniasis has been found to be associated with severe anemia and premature lysis of erythrocytes. Peroxidative damage of red cells has been noted in several hemolytic anemias. Present study shows enhanced formation of methemoglobin in hamsters infected with Leishmania donovani. Increased formation of malo...

journal_title：Molecular and cellular biochemistry

authors： Biswas T,Pal JK,Naskar K,Ghosh DK,Ghosal J

更新日期：1995-05-24 00:00:00

abstract：:The AP-1 consensus sequences (TGAGTCA) are the major 12-O-tetradecanoylphorbol113-acetate (TPA) responsive elements shared by several TPA inducible genes, such as c-sis, c-fos, c-myc, collagenase, stromelysin, hMTIIA and SV40. However, the role of AP-1 binding sites, which are present in the introns 3, 5, and 11 of OD...

journal_title：Molecular and cellular biochemistry

authors： Tseng CP,Verma AK

更新日期：1995-05-10 00:00:00

abstract：:The aim of the research was to study the role played by extracellular O2-radicals, which are implicated in cardiac cell damage and the protective effect by cell-permeable, nitroxide, superoxide dismutase-mimics. Cardiomyocytes cultures from 1-day-old rats served as the test-system. Experiments were performed since 5th...

journal_title：Molecular and cellular biochemistry

authors： Mohsen M,Pinson A,Zhang R,Samuni A

更新日期：1995-04-26 00:00:00

abstract：:Infrared spectroscopy which has traditionally been utilized by chemists and physicists for characterization and identification of the structural properties of chemical compounds is now becoming more relevant as a biodiagnostic tool. Recent reports suggest that arthritis and Alzheimer's disease can be diagnosed by usin...

journal_title：Molecular and cellular biochemistry

authors： Das RM,Ahmed MK,Mantsch HH,Scott JE

更新日期：1995-04-12 00:00:00

abstract：:Subsequent to the first alpha 2-adrenergic receptor (alpha 2-AR) gene cloning of alpha 2-C10 from human platelet, cloning of the first rodent alpha 2-AR cDNA, cA2-47, was reported. Based on the structural and limited pharmacological comparison, it was concluded that the rodent receptor is a molecular and pharmacologic...

journal_title：Molecular and cellular biochemistry

authors： Wypijewski K,Duda T,Sharma RK

更新日期：1995-03-23 00:00:00

abstract：:Microtubule-associated proteins (MAPs) interact with tubulin in vitro and in vivo. Despite that there is a large amount of information on the roles of these proteins in neurons, the data on non-neuronal MAPs or MAPs-related proteins is scarce. There is an increasing number of microtubule-interacting proteins that have...

journal_title：Molecular and cellular biochemistry

authors： Vial C,Armas-Portela R,Avila J,González M,Maccioni RB

更新日期：1995-03-23 00:00:00

abstract：:The antioxidant efficacy of vitamin E on Perchloroethylene (PER) induced cytotoxicity has been studied in rats. Feeding PER to rats for 42 days using sesame oil as vehicle alters total protein and protein bound carbohydrate components in liver and kidney of experimental animals. Supplementation of vitamin E prevented ...

journal_title：Molecular and cellular biochemistry

authors： Ebrahim AS,Gopalakrishnan R,Murugesan A,Sakthisekaran D

更新日期：1995-03-09 00:00:00

abstract：:The present study examined the effect of fenoldopam, a known dopamine-1 receptor (DA1) agonist in order to understand its involvement in the cardiac hypertrophic process. Male Sprague-Dawley rats underwent abdominal aortic constriction (AB) with placement of a suprarenal ligature while sham operated animals served as ...

journal_title：Molecular and cellular biochemistry

authors： Ganguly PK,Mukherjee K,Sahai A

更新日期：1995-03-09 00:00:00

abstract：:Various factors appear to control muscle energetics, often in conjunction. This calls for a quantitative approach of the type provided by Metabolic Control Analysis for intermediary metabolism and mitochondrial oxidative phosphorylation. To the extent that direct transfer of high energy phosphates and spatial organiza...

journal_title：Molecular and cellular biochemistry

authors： Kholodenko BN,Cascante M,Westerhoff HV

更新日期：1995-02-23 00:00:00

abstract：:The existence and expression of gene encoding the Ca(2+)-binding protein regucalcin in various species and tissues were investigated with Southern and Northern hybridization analyses using regucalcin cDNA (0.9 kb of open reading frame). Genomic Southern hybridization analysis demonstrated that regucalcin gene was wide...

journal_title：Molecular and cellular biochemistry

authors： Shimokawa N,Isogai M,Yamaguchi M

更新日期：1995-02-09 00:00:00

abstract：:When Leishmania donovani promastigote forms, were cultured in TC-199 medium at 28 degrees C and subsequently incubated at 38 degrees C, they turned into aflagellate (amastigote-like) forms. A return of the incubation-culture temperature to 28 degrees C these amastigote-like forms to revert to promastigotes. The amasti...

journal_title：Molecular and cellular biochemistry

authors： Castilla JJ,Sanchez-Moreno M,Mesa C,Osuna A

更新日期：1995-01-26 00:00:00

abstract：:The effect of refeeding on the expression of Ca(2+)-binding protein regucalcin mRNA in the liver of fasted rats was investigated. When rats were fasted overnight, the hepatic regucalcin mRNA level was reduced about 70% of that in feeding rats. Refeeding produced a remarkable elevation of hepatic regucalcin mRNA level ...

journal_title：Molecular and cellular biochemistry

authors： Yamaguchi M,Oishi K,Isogai M

更新日期：1995-01-12 00:00:00

abstract：:Transmission of extra cellular signals across biological membranes results in the generation of lipid metabolites which in turn influence specific cellular events such as cell growth or differentiation. Many of these lipid messengers can activate protein kinase C (PKC) isozymes of which one function is to perpetuate t...

journal_title：Molecular and cellular biochemistry

authors： Sista P,Edmiston S,Darges JW,Robinson S,Burns DJ

更新日期：1994-12-21 00:00:00

abstract：:The prooxidant and antioxidant actions of Trolox were examined in an in vitro system measuring ferric ion-induced oxidation of erythrocyte membrane lipids. Trolox was found to produce a concentration-dependent biphasic effect on the ferric ion-stimulated lipid peroxidation, with the mode of action being similar to tho...

journal_title：Molecular and cellular biochemistry

authors： Ko KM,Yick PK,Poon MK,Ip SP

更新日期：1994-12-07 00:00:00

abstract：:The native form of phospholamban is not known and it is presently under debate whether this protein exists as a monomer or an oligomer in cardiac sarcoplasmic reticulum. The currently accepted model for phospholamban is pentameric, based primarily on its behavior in SDS-polyacrylamide gel electrophoresis. In this stud...

journal_title：Molecular and cellular biochemistry

authors： Harrer JM,Kranias EG

更新日期：1994-11-23 00:00:00

abstract：:The present study investigates the inhibition of lipid peroxidation by dehydrozingerone and curcumin in rat brain homogenates. Both the test compounds inhibited the formation of conjugated dienes and spontaneous lipid peroxidation. These compounds also inhibited lipid peroxidation induced by ferrous ions, ferric-ascor...

journal_title：Molecular and cellular biochemistry

authors： Rajakumar DV,Rao MN

更新日期：1994-11-09 00:00:00

abstract：:The rat uterine secretory enzyme glycerylphosphorylcholine (GPC) diesterase (EC 3.1.4.2) had been purified and characterized previously with respect to its mol. wt., size, amino acid, carbohydrate composition and estrogen inducible properties. This enzyme is observed to have exclusive specificity for GPC and exhibits ...

journal_title：Molecular and cellular biochemistry

authors： Mitra J,Chowdhury M

更新日期：1994-10-26 00:00:00

abstract：:Purpurogallin (PPG) is a phenolic compound extracted from nutgalls formed on oak trees. It has been used as an additive to edible or nonedible oils or fats, and to hydrocarbon fuels or lubricants to retard their oxidation. We investigated by luminol-dependent chemiluminescence (PMNL-CL), the ability of PPG to scavenge...

journal_title：Molecular and cellular biochemistry

authors： Prasad K,Kapoor R,Lee P

更新日期：1994-10-12 00:00:00

abstract：:ADP-ribosylation factors (ARFs) comprise a family of approximately 20 kDa guanine nucleotide-binding proteins that were discovered as one of several cofactors required in cholera toxin-catalyzed ADP-ribosylation of Gs alpha, the guanine nucleotide-binding protein responsible for stimulation of adenylyl cyclase, and wa...

journal_title：Molecular and cellular biochemistry

authors： Welsh CF,Moss J,Vaughan M

更新日期：1994-09-01 00:00:00

abstract：:The pyridine nucleotides have important non-redox activities as cellular effectors and metabolic regulators [1-3]. The enzyme-catalyzed cleavage of the nicotinamide-ribosyl bond of NAD+ and the attendant delivery of the ADPRibosyl moiety to acceptors is central to these many diverse biological activities. Included are...

journal_title：Molecular and cellular biochemistry

authors： Oppenheimer NJ

更新日期：1994-09-01 00:00:00

abstract：:Poly(ADP-ribosyl)ation is a eukaryotic posttranslational protein modification catalyzed by poly(ADP-ribose) polymerase (PARP), a highly conserved nuclear enzyme which uses NAD as substrate. We have previously tested PARP activity in permeabilized mononuclear blood cells (MNC) from 13 mammalian species as a function of...

journal_title：Molecular and cellular biochemistry

authors： Bürkle A,Müller M,Wolf I,Küpper JH

更新日期：1994-09-01 00:00:00