abstract：:Permeant cationic fluorescent probes are widely employed to monitor mitochondrial transmembrane potential and its changes. The application of such potential-dependent probes in conjunction with both fluorescence microscopy and fluorescence spectroscopy allows the monitoring of mitochondrial membrane potential in indiv...

journal_title：Bioscience reports

authors： Solaini G,Sgarbi G,Lenaz G,Baracca A

更新日期：2007-06-01 00:00:00

abstract：:Ursodeoxycholic acid (UDCA) and its taurine-conjugate, tauroursodeoxycholic acid (TUDCA), play a unique role in modulating the apoptotic threshold in cells. The mechanism is thought to involve, in part, inhibition of translocation for Bax from the cytosol to mitochondria. Here, we attempted to use the native fluoresce...

journal_title：Bioscience reports

authors： Zhang W,Steer CJ,Douglas KT,Rodrigues CM

更新日期：2006-06-01 00:00:00

abstract：:HIV-1 infects host cells by sequential interactions of its fusion protein (gp120-gp41) with receptors CD4, CXCR4 and/or CCR5 followed by fusion of viral and host membranes. Studies indicate that additional factors such as receptor density and composition of viral and cellular lipids can dramatically modulate the fusio...

journal_title：Bioscience reports

authors： Rawat SS,Johnson BT,Puri A

更新日期：2005-10-01 00:00:00

abstract：:Whole-genome analyses become more and more necessary for pharmaceutical research. DNA chip hybridizations are an important tool for monitoring gene expression profiles during diseases or medical treatment. However, drug target identification and validation as well as an increasing number of antibodies and other polype...

journal_title：Bioscience reports

authors： Maercker C

更新日期：2005-02-01 00:00:00

abstract：:Two established cancer cell lines, MCF-7 and Ishikawa, were both obtained directly from a cell repository and through another laboratory. The karyotypes from the two MCF-7 cell lines had up to 83 chromosomes and similarities for chromosomal gain and structural abnormalities. The two Ishikawa cell lines had up to 60 ch...

journal_title：Bioscience reports

authors： Wenger SL,Senft JR,Sargent LM,Bamezai R,Bairwa N,Grant SG

更新日期：2004-12-01 00:00:00

abstract：:Chemical transformations, like osmotic translocations, are transport processes when looked at in detail. In chemiosmotic systems, the pathways of specific ligand conduction are spatially orientated through osmoenzymes and porters in which the actions of chemical group, electron and solute transfer occur as vectorial (...

journal_title：Bioscience reports

authors： Mitchell PD

更新日期：2004-08-01 00:00:00

abstract：:The family of 5-HT4 receptors comprises 16 putative splice variants. We have previously shown that there are differences in signal transduction of the h5-HT(4a) and h5-HT(4b) receptors. In the present study, the internalization of these two splice variants following receptor stimulation was investigated with confocal ...

journal_title：Bioscience reports

authors： Pindon A,Van Hecke G,Josson K,Van Gompel P,Lesage A,Leysen JE,Jurzak M

更新日期：2004-06-01 00:00:00

abstract：:Common colds were shortened by 7 days in a 1984 clinical trial using zinc gluconate throat lozenges each 2 h. Between then and 2004, 10 other double-blind, placebo-controlled clinical trials showed widely varying results. This re-analysis of these trials presents solution chemistry methods to elucidate differences in ...

journal_title：Bioscience reports

authors： Eby GA

更新日期：2004-02-01 00:00:00

abstract：:Regulator of G protein signaling (RGS) proteins are GTPase-activating proteins (GAP) for G protein alpha-subunits and are thought to be responsible for rapid deactivation of G protein mediated signaling pathway. In this present study, we demonstrate that PA is the most efficient candidate to inhibit GAP activity of RG...

journal_title：Bioscience reports

authors： Ou-Yang YS,Tu Y,Yang F

更新日期：2003-08-01 00:00:00

abstract：:Mitochondria are known to participate in the initiation of programmed cell death (PCD) in animals and in plants. The role of chloroplasts in PCD is still unknown. We describe a new system to study PCD in plants; namely, leaf epidermal peels. The peel represents a monolayer consisting of cells of two types: phototrophi...

journal_title：Bioscience reports

authors： Samuilov VD,Lagunova EM,Kiselevsky DB,Dzyubinskaya EV,Makarova YV,Gusev MV

更新日期：2003-04-01 00:00:00

abstract：:Phagocytosis by neutrophils, macrophages, and other professional phagocytes requires rapid remodeling of actin. Early phagosomes are surrounded by a rim of F-actin that is disassembled during phagosomoal maturation. Breakdown of periphagosomal F-actin and phagolysosome fusion are calcium dependent processes in neutrop...

journal_title：Bioscience reports

authors： Tejle K,Magnusson KE,Rasmusson B

更新日期：2002-10-01 00:00:00

abstract：:The discovery of genes that control cell division in yeast, and their relation to cancer, is reviewed. ...

journal_title：Bioscience reports

authors： Hartwell LH

更新日期：2002-06-01 00:00:00

abstract：:This review focuses on the recent developments in the study of drug interactions with biological membranes and membrane-associated proteins using nuclear magnetic resonance (NMR) spectroscopy and other spectroscopic techniques. Emphasis is placed on a class of low-affinity neurological agents as exemplified by volatil...

journal_title：Bioscience reports

authors： Xu Y,Yushmanov VE,Tang P

更新日期：2002-04-01 00:00:00

abstract：:Oral vaccination requires an antigen delivery vehicle to protect the antigen and to enhance translocation of the antigen to the mucosa-associated lymphoid tissue. A variety of antigen delivery vehicles including liposomes have been studied for mucosal immunization. The advantages of liposome formulations are their par...

journal_title：Bioscience reports

authors： Zho F,Neutra MR

更新日期：2002-04-01 00:00:00

abstract：:An increase in the permeability of outer mitochondrial membrane is central to apoptotic cell death, and results in the release of several apoptogenic factors such as cytochrome c into the cytoplasm to activate downstream destructive programs. The voltage-dependent anion channel (VDAC or mitochondrial porin) plays an e...

journal_title：Bioscience reports

authors： Tsujimoto Y

更新日期：2002-02-01 00:00:00

abstract：:The effect that research on dopamine and other neutro trasmitters has on disciplines like neurology and psychiatry is described. ...

journal_title：Bioscience reports

authors： Carlsson A

更新日期：2001-12-01 00:00:00

abstract：:Ca-ATPase activity in sarcoplasmic reticulum (SR) membranes isolated from skeletal muscles of the typical hibernator, the ground squirrel Spermophilus undulatus, is about 2-fold lower than that in SR membranes of rats and rabbits and is further decreased 2-fold during hibernation. The use of carbocyanine anionic dye S...

journal_title：Bioscience reports

authors： Malysheva AN,Storey KB,Lopina OD,Rubtsov AM

更新日期：2001-12-01 00:00:00

abstract：:Previous studies demonstrated that the adaptive response to stressors and inflammatory signals involves the activation of the autonomous [corrected] nervous system. Catecholamines have been shown to modulate the activity of various immune effector cells directly via membrane adrenergic receptors. Here, we investigated...

journal_title：Bioscience reports

authors： Lünemann JD,Buttgereit F,Tripmacher R,Baerwald CG,Burmester GR,Krause A

更新日期：2001-10-01 00:00:00

abstract：:Corneal inflammation or keratitis is a significant cause of ocular morbidity around the world. Fortunately, the majority of the cases are successfully managed with medical therapy, but the failure of therapy does occur, leading to devastating consequences of either losing the vision or the eye. This review attempts to...

journal_title：Bioscience reports

authors： Sharma S

更新日期：2001-08-01 00:00:00

abstract：:We have investigated a novel method to monitor real changes of intracellular ROS by the use of CMH2TMRos (a reduced form of MitoTracker orange) in Swiss 3T3 fibroblasts. Arachidonic acid induced a rapid increase of CMTMRos fluorescence with a maximal elevation at 120-150 sec, which was determined by scanning every 10 ...

journal_title：Bioscience reports

authors： Kweon SM,Kim HJ,Lee ZW,Kim SJ,Kim SI,Paik SG,Ha KS

更新日期：2001-06-01 00:00:00

abstract：:The physiological role of an alternative oxidase and an uncoupling protein in plant and protists is discussed in terms of thermogenesis and energy metabolism balance in the cell. It is concluded that thermogenesis is restricted not only by a lower-limit size but also by a kinetically-limited stimulation of the mitocho...

journal_title：Bioscience reports

authors： Jarmuszkiewicz W,Sluse-Goffart CM,Vercesi AE,Sluse FE

更新日期：2001-04-01 00:00:00

abstract：:Levels of red cell, serum acid, and alkaline phosphatases, serum amylase, alanine and aspartate transferase and bilirubin were examined in streptozotocin-induced diabetic rats treated with garlic oil and compared with the corresponding levels in diabetic control rats, normal rats and normal rats on garlic oil. Values ...

journal_title：Bioscience reports

authors： Ohaeri OC

更新日期：2001-02-01 00:00:00

abstract：:Although membrane fusion occurs ubiquitously and continuously in all eukaroytic cells, little is known about the mechanism that governs lipid bilayer fusion associated with any intracellular fusion reactions. Recent studies of the fusion of enveloped viruses with host cell membranes have helped to define the fusion pr...

journal_title：Bioscience reports

authors： Martin I,Ruysschaert JM

更新日期：2000-12-01 00:00:00

abstract：:Amphiphilic anionic peptides have been used to enhance the efficiency of transfection by helping plasmids to escape from endosomes to the cytosol. It has been shown that efficiency of an eicosamers containing five glutamyl residues (E5), can be considerably enhanced either by transforming it into a dimer or by adding ...

journal_title：Bioscience reports

authors： Freulon I,Monsigny M,Midoux P,Mayer R

更新日期：2000-10-01 00:00:00

abstract：:Escherichia coli accumulates K+ by means of multiple transport systems, of which TrkA is the most prominent at neutral and alkaline pH while Kup is major at acidic pH. In the present study, K+ uptake was observed with cells grown under fermentative conditions at an initial pH of 9.0 and 7.3 (the medium pH decreased to...

journal_title：Bioscience reports

authors： Trchounian A,Kobayashi H

更新日期：2000-08-01 00:00:00

abstract：:The effect of ligands (glucose, ATP and Mg2+) and zwitterionic micelles of lysophosphatidylcholine (LPC) or N-hexadecyl-N,N-dimethyl-3-ammonium propanesulfonate (HPS) in the yeast hexokinase (HK) stability was studied at 35 degrees C. The thermal inactivation kinetics followed one-exponential decay. The effect of liga...

journal_title：Bioscience reports

authors： Guerra R,Bianconi ML

更新日期：2000-02-01 00:00:00

abstract：:A natural avermectin complex, aversectin C, was shown to be capable of exerting selective cytostatic and neurotoxic effects on mammalian cells. Specifically, it killed proliferating neuroblastoma B103 cells but was non-toxic for differentiated cells of this culture. The antiproliferation action of aversectin C was not...

journal_title：Bioscience reports

authors： Kokoz YM,Tsyganova VG,Korystova AF,Grichenko AS,Zenchenko KI,Drinyaev VA,Mosin VA,Kruglyak EB,Sterlina TS,Victorov AV

更新日期：1999-12-01 00:00:00

abstract：:Gram negative bacterial infection is a leading cause of fatality and is attributed, at least in part, to the bacteria's capacity to persist in the host in spite of appropriate antibiotic therapy. It has been suggested that bacteria evade antibiotics by hiding within host cells. We sought to investigate this important ...

journal_title：Bioscience reports

authors： Shin JS,Gao Z,Abraham SN

更新日期：1999-10-01 00:00:00

abstract：:A range of different types of interactions at biological membrane surfaces have been studied using various different spin label electron spin resonance (ESR) techniques. These include: (1) the interfacial ionization of local anaesthetics, (2) the binding of peripheral membrane proteins, (3) the membrane insertion of t...

journal_title：Bioscience reports

authors： Marsh D

更新日期：1999-08-01 00:00:00

abstract：:Peanut (Arachis hypogaea) seed lectin, PNA is widely used to identify tumor specific antigen (T-antigen), Galbeta1-3GalNAc on the eukaryotic cell surface. The functional amino acid coding region of a cDNA clone, pBSH-PN was PCR amplified and cloned downstream of the polyhedrin promoter in the Autographa californica nu...

journal_title：Bioscience reports

authors： Kumar M,Behera AK,Kumar S,Srinivas VR,Das HR,Surolia A,Das RH

更新日期：1999-06-01 00:00:00

abstract：:The unicellular Tetrahymena enzymatically split the synthetic phosphodiester, 4-methylumbelliferyl phosphocholine substrate. The enzyme activity was completely blocked in vitro and drastically inhibited in vivo by G-protein activating fluorides (NaF; AIF4- and BeF3-). The phospholipase A2 inhibitor, quinacrine, and th...

journal_title：Bioscience reports

authors： Kovács P,Csaba G

更新日期：1999-04-01 00:00:00

abstract：:The identification of the sodium potassium pump as a Na+, K+ -ATPase is described. ...

journal_title：Bioscience reports

authors： Skou JC

更新日期：1998-08-01 00:00:00

abstract：:We have investigated the intramembranal ion traffic in apoptotic 3T6 cells in culture. Apoptosis was induced by various treatments, such as serum deprivation, high density growth and hydrogen peroxide at subnecrotic doses. Cell death was assessed by nucleosomal DNA fragmentation, single cell electrophoresis, immunoflu...

journal_title：Bioscience reports

authors： Bonincontro A,Iacoangeli A,Melucci-Vigo G,Risuleo G

更新日期：1997-12-01 00:00:00

abstract：:The response to D-glucose (0-21 mM) was studied in neutrophil granulocytes from obese, hyperglycemic and hyperinsulinemic Umeå ob/ob mice and their lean, littermate controls in order to further elucidate the effects of in vivo and in vitro hyperglycemia on neutrophil function. Neutrophil random locomotion on glass and...

journal_title：Bioscience reports

authors： Oldenborg PA,Sehlin J

更新日期：1997-10-01 00:00:00

abstract：:The proton conductance of the mitochondrial inner membrane can be quantified by applying Ohm's law to the experimentally determined protonmotive force and the proton current flowing around the proton circuit in the absence of ATP synthesis or ion transport. This last parameter is derived from the rate of State 4 respi...

journal_title：Bioscience reports

authors： Nicholls DG

更新日期：1997-06-01 00:00:00

abstract：:We have provided evidence that mitochondrial membrane permeability transition induced by inorganic phosphate, uncouplers or prooxidants such as t-butyl hydroperoxide and diamide is caused by a Ca(2+)-stimulated production of reactive oxygen species (ROS) by the respiratory chain, at the level of the coenzyme Q. The RO...

journal_title：Bioscience reports

authors： Vercesi AE,Kowaltowski AJ,Grijalba MT,Meinicke AR,Castilho RF

更新日期：1997-02-01 00:00:00

abstract：:We investigated the possible translational role which elevated concentrations of highly purified Semliki Forest virus (SFV) capsid (C)-protein molecules may play in a cell-free translation system. Here we demonstrate that in the absence of double-stranded RNA high concentrations of C protein triggered the phosphorylat...

journal_title：Bioscience reports

authors： Favre D,Studer E,Michel MR

更新日期：1996-12-01 00:00:00

abstract：:A model explaining quantal Ca2+ release as an intrinsic property of the inositol 1,4,5-triphosphate (IP3) receptor has been put forward. The model is based on the hypothesis that the IP3 receptor can catalyze a transformation of the IP3 molecule differing from its conventional metabolism. A simple kinetic mechanism is...

journal_title：Bioscience reports

authors： Kaimachnikov NP,Nazarenko VG

更新日期：1996-10-01 00:00:00

abstract：:In a study of Necturus gallbladder epithelium Benzel et al. (Benzel et al., 1980) found that low (0.2-1.2 microM) and higher concentrations (1.5 microM and more) of cytochalasin B (CB) caused an increase and decrease in the transepithelial electrical resistance (TER), respectively. Moreover, there were slight changes ...

journal_title：Bioscience reports

authors： Nybom P,Magnusson KE

更新日期：1996-08-01 00:00:00

abstract：:This review covers the recent progress in the elucidation of the structure of photosystem II (PSII). Because much of the structural information for this membrane protein complex has been revealed by electron microscopy (EM), the review will also consider the specific technical and interpretation problems that arise wi...

journal_title：Bioscience reports

authors： Nicholson WV,Ford RC,Holzenburg A

更新日期：1996-04-01 00:00:00